✨🧑‍💻 - MITM Proxy

[efraespada]

Is there an existing issue or feature request for this?

• I have searched the existing issues and feature requests.

What area does this improvement affect?

Quota data / API

Which parts of Cursor Quota does this affect?

No response

Description of the idea or improvement

Run a time-boxed investigation using a local MITM HTTPS proxy to capture and decode traffic between Cursor IDE and Cursor backends (api2.cursor.sh, agent*.api5.cursor.sh, and related cursor.com dashboard APIs). The goal is to understand what the client sends and receives on the wire—especially around usage, billing, and agent/composer streams—and whether any fields (e.g. request_id, usage_uuid, token counts) can be correlated with data we already read from state.vscdb or from get-filtered-usage-events.

Current limitations or challenges

Certificate

Expected impact

Full understanding of the Cursor client with the server

Alternatives considered

No response

Cursor Quota Version

No response

Additional context or comments

No response

[vypbot]

🪄 Automatic Actions

1. The issue was assigned to @efraespada (creator).
2. The issue's title was updated from MITM Proxy to ✨ - MITM Proxy.
3. The issue was linked to vypdev and moved to the column Todo.
4. Priority set to P2 in vypdev.

Debug log

[DEBUG] Setup done. Issue number: 3, isSingleAction: false, isIssue: true, isPullRequest: false, isPush: false
[DEBUG] ✅ No previous runs active. Continuing...
[INFO] Running IssueUseCase for issue #3.
[INFO] 📋 Executing IssueUseCase.
[INFO] 🔐 Executing CheckPermissionsUseCase.
[DEBUG] Ignoring permission checking. Issue state is not 'opened'.
[INFO] 👤 Executing AssignMemberToIssueUseCase.
[DEBUG] #3 needs 1 assignees.
[DEBUG] Assigned Issue creator @efraespada to #3.
[INFO] ✏️ Executing UpdateTitleUseCase.
[DEBUG] Issue title updated to: ✨ - MITM Proxy
[INFO] 🏷️ Executing UpdateIssueTypeUseCase.
[DEBUG] Setting issue type for issue 3 to Feature
[DEBUG] Creating new issue type "Feature" for organization vypdev...
[DEBUG] Issue Type: Feature
[DEBUG] Issue Type Description: A new functionality, enhancement, or improvement requested for the project.
[DEBUG] Issue Type Color: green
[DEBUG] Fetched issue ID: I_kwDOSpY2Fc8AAAABEPG3tA
[DEBUG] Organization ID: MDEyOk9yZ2FuaXphdGlvbjYzNzA1NDAz
[DEBUG] Organization issue types: [{"id":"IT_kwDOA8wRO84AuWac","name":"Task"},{"id":"IT_kwDOA8wRO84AuWag","name":"Bug"},{"id":"IT_kwDOA8wRO84AuWak","name":"Feature"},{"id":"IT_kwDOA8wRO84Bw9l2","name":"Documentation"},{"id":"IT_kwDOA8wRO84Bw9mw","name":"Question"},{"id":"IT_kwDOA8wRO84Bw9oA","name":"Maintenance"},{"id":"IT_kwDOA8wRO84Bw90_","name":"Release"},{"id":"IT_kwDOA8wRO84Bxfgg","name":"Hotfix"},{"id":"IT_kwDOA8wRO84Bxfgh","name":"Help"}]
[DEBUG] Found existing issue type "Feature" with ID: IT_kwDOA8wRO84AuWak
[DEBUG] Successfully updated issue type to Feature
[INFO] 🔗 Executing LinkIssueProjectUseCase.
[DEBUG] Fetched issue ID: I_kwDOSpY2Fc8AAAABEPG3tA
[DEBUG] Linked I_kwDOSpY2Fc8AAAABEPG3tA with id PVTI_lADOA8wRO84Ajh7BzgumP9Q to project PVT_kwDOA8wRO84Ajh7B
[DEBUG] Content ID: PVTI_lADOA8wRO84Ajh7BzgumP9Q
[DEBUG] Target field: {
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  "name": "Status",
  "options": [
    {
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    {
      "id": "98236657",
      "name": "Done"
    }
  ]
}
[DEBUG] Target option: {
  "id": "f75ad846",
  "name": "Todo"
}
[DEBUG] Target field ID: PVTSSF_lADOA8wRO84Ajh7Bzgb4L2E
[DEBUG] Target option ID: f75ad846
[INFO] 📏 Executing CheckPriorityIssueSizeUseCase.
[DEBUG] Priority: priority: low
[DEBUG] Github Priority Label: P2
[DEBUG] Content ID: PVTI_lADOA8wRO84Ajh7BzgumP9Q
[DEBUG] Target field: {
  "id": "PVTSSF_lADOA8wRO84Ajh7Bzgb4MPQ",
  "name": "Priority",
  "options": [
    {
      "id": "4af6496f",
      "name": "P0"
    },
    {
      "id": "f87877a5",
      "name": "P1"
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    {
      "id": "27f99ddc",
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    }
  ]
}
[DEBUG] Target option: {
  "id": "27f99ddc",
  "name": "P2"
}
[DEBUG] Target field ID: PVTSSF_lADOA8wRO84Ajh7Bzgb4MPQ
[DEBUG] Target option ID: 27f99ddc
[INFO] 🧹 Executing RemoveIssueBranchesUseCase.
[DEBUG] Checking branch type feature
[DEBUG] Checking prefix feature/3-
[DEBUG] Checking branch type bugfix
[DEBUG] Checking prefix bugfix/3-
[INFO] 🧹 Executing RemoveNotNeededBranchesUseCase.
[INFO] 🏷️ Executing DeployAddedUseCase.
[INFO] 🏷️ Executing DeployedAddedUseCase.
[INFO] Main run finished. Results: 7, total steps: 4.
[INFO] Publishing result: 7 result(s), 4 step(s), 0 error(s).
[INFO] 📄 Executing PublishResultUseCase.

🚀 Happy coding!

^{Made with ❤️ by vypdev/copilot}

[vypbot]

🪄 Automatic Actions

1. Recommended steps (OpenCode Plan agent):
2. Based on full project context, here are the recommended steps:

---

Recommendations for Issue #3 — MITM HTTPS Proxy Investigation

Step 1: Study the existing codebase and protocol surface

• Read docs/RESEARCH.md thoroughly — it documents the one known endpoint (GetCurrentPeriodUsage) and the Connect RPC protocol used
• Review src/api/quotaClient.ts — understand the exact HTTP headers (Connect-Protocol-Version: 1, Authorization: Bearer ...), the JSON body, and response shape
• Review src/auth/tokenRefresh.ts — understand the OAuth token refresh flow (endpoint, body, client_id KbZUR41cY7W6zRSdpSUJ7I7mLYBKOCmB)
• Read src/auth/tokenReader.ts — understand what fields are extracted from state.vscdb and the JWT payload structure
• Goal: build a baseline of what is already known so captured traffic can be compared against it

Step 2: Choose and install MITM proxy tool

• Recommended: mitmproxy (Python) — mature, scriptable, HTTPS-capable, has a web UI (mitmweb)
• Install via:

  pip install mitmproxy
  # or
  brew install mitmproxy

• Alternative (if Python is unavailable): mitmproxy's Node.js port or a simple Node.js HTTPS proxy using Node's built-in http/https/tls modules (since the project uses Node 22)

Step 3: Generate and trust the MITM CA certificate

• Start mitmproxy once to generate its CA cert:

  mitmproxy

• The CA cert is typically at ~/.mitmproxy/mitmproxy-ca-cert.pem
• Trust the CA at the OS level (the "Certificate" challenge mentioned in the issue):
  • macOS:

    sudo security add-trusted-cert -d -r trustRoot \
      -k /Library/Keychains/System.keychain \
      ~/.mitmproxy/mitmproxy-ca-cert.pem

  • Linux:

    sudo cp ~/.mitmproxy/mitmproxy-ca-cert.pem /usr/local/share/ca-certificates/
    sudo update-ca-certificates

  • Windows:

    certutil -addstore Root "$env:USERPROFILE\.mitmproxy\mitmproxy-ca-cert.pem"

• Critical: Electron (Cursor's runtime) uses its own certificate store. The system CA may not be enough. You may need to set NODE_EXTRA_CA_CERTS or start Cursor with --ignore-certificate-errors (last resort)
• Verify trust: curl --proxy http://localhost:8080 https://api2.cursor.sh

Step 4: Configure Cursor/VS Code to route through the proxy

Method A — Launch Cursor with proxy flags (most reliable):

# macOS
open -na "Cursor" --args --proxy-server=localhost:8080

# Linux
cursor --proxy-server=localhost:8080

# Windows
"C:\Users\<user>\AppData\Local\Programs\Cursor\Cursor.exe" --proxy-server=localhost:8080

Method B — Set environment variables:

HTTPS_PROXY=http://localhost:8080 HTTP_PROXY=http://localhost:8080 cursor

Method C (if Electron ignores CLI flags) — Use system proxy settings:

• Set the system-wide proxy to localhost:8080, launch Cursor, then revert after capture

Important: Add cursor.com, api2.cursor.sh, api5.cursor.sh to the list of proxied domains via mitmproxy's --allow-hosts filter to scope the capture

Step 5: Capture baseline IDE traffic

• Start mitmproxy (or mitmweb for web UI):

  mitmweb --listen-host localhost --listen-port 8080

• Launch Cursor through the proxy
• Perform these actions while capturing:
  1. IDE startup (covers extension activation, auth checks, Settings UI initialization)
  2. Open Settings → Usage page (triggers the known GetCurrentPeriodUsage call — verify you can see it in the capture)
  3. Trigger a quota usage event (send a chat message, use Composer, run an agent)
• Save the capture:

  mitmproxy --save-stream-file cursor-baseline.flow

Step 6: Decode Connect RPC protobuf traffic

• mitmproxy shows the HTTP request/response but protobuf payloads will be hex/binary by default
• Write a mitmproxy addon script to decode Connect RPC:

  # decode_connect.py
  from mitmproxy import http
  
  def response(flow: http.HTTPFlow) -> None:
      if "connect-protocol-version" in flow.request.headers:
          content = flow.response.get_content()
          # Log raw bytes for offline analysis
          print(f"[Connect RPC] {flow.request.path} | {len(content)} bytes")
          # Try protobuf decode
          try:
              from google.protobuf import descriptor, descriptor_pool, json_format
              # Attempt dynamic decode based on known field patterns
              # ...
          except:
              pass

• Run with: mitmweb -s decode_connect.py
• For deeper analysis, save raw protobuf payloads and use protoc or protoscope to inspect field structure offline:

  protoscope response.bin

Step 7: Capture agent/composer streams (agent*.api5.cursor.sh)

• These endpoints likely use WebSocket or Server-Sent Events (streaming). mitmproxy supports WebSocket capture natively
• Look for:
  • WebSocket upgrade requests to agent*.api5.cursor.sh
  • Long-lived streaming HTTP connections
  • JSON or protobuf framed messages (NDJSON, length-prefixed)
• In mitmweb, filter by ~u agent.*.api5.cursor.sh
• Agent/composer streams are likely where token counts and usage_uuid per-request fields appear — correlate these with the aggregate data from GetCurrentPeriodUsage

Step 8: Capture cursor.com dashboard API traffic

• Open https://cursor.com/settings/usage in a browser via the proxy (not the IDE)
• Inspect XHR/fetch requests to identify cookie-authenticated (WorkosCursorSessionToken) endpoints like GET /api/usage-summary
• Compare the response shape with the IDE's GetCurrentPeriodUsage — they should overlap but may expose additional fields

Step 9: Correlate captured data with state.vscdb contents

• After capturing, query state.vscdb to dump all keys (not just auth):

  sqlite3 ~/Library/Application\ Support/Cursor/User/globalStorage/state.vscdb \
    "SELECT key, substr(value, 1, 200) FROM ItemTable;"

• Search for any fields matching captured API values: usage_uuid, request_id, session_id, conversation_id, token counters
• Map the SQLite keys to the API fields they correspond to

Step 10: Analyze and document findings

• Create a structured document (e.g., docs/NETWORK_PROTOCOL.md) with:
  • Discovered endpoints: URL, HTTP method, headers, auth mechanism
  • Request/response schemas: field names, types, example values
  • Correlation table: which SQLite state.vscdb keys map to which API fields
  • Undiscovered gaps: endpoints that were not reachable or not decodable
• Update docs/RESEARCH.md with new findings — particularly any new usage/billing fields, token allocation patterns, and streaming protocol details
• Key deliverables:
  1. A proto-like schema (even partial) for each discovered endpoint
  2. A list of correlated fields between state.vscdb and API responses
  3. Identification of any request_id, usage_uuid, or token-count fields in agent/composer requests
  4. Assessment of whether any new extension features are now feasible (e.g., per-request token tracking, real-time usage updates)

Step 11: Optional — Write a scripted capture replay

• Using the captured .flow files and the existing TokenService/QuotaClient classes, write a Node.js script in scripts/ that replays the captured requests against live Cursor APIs
• This serves as:
  • A regression check when Cursor API changes
  • A way to systematically document request/response schemas
  • A foundation for future extension features

Time-boxing recommendations

Phase	Target duration	Scope
Setup (Steps 2–4)	1–2 hours	Tool install, cert trust verification, proxy config
Baseline capture (Steps 5–6)	1–2 hours	IDE startup + Settings → Usage + known endpoint
Agent/Composer (Step 7)	1–2 hours	Streaming capture, token count fields
Dashboard (Step 8)	30–60 min	cursor.com API comparison
Correlation & analysis (Steps 9–10)	2–3 hours	state.vscdb mapping, schema documentation
Total	6–10 hours

Key risk: Certificate trust in Electron. If --ignore-certificate-errors is required, it changes connection behavior. Test with a simple fetch to api2.cursor.sh first.

Debug log

[DEBUG] Setup done. Issue number: 3, isSingleAction: false, isIssue: true, isPullRequest: false, isPush: false
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
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[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
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[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
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[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
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[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ⏳ Found 1 previous run(s) still active. Waiting 2s...
[DEBUG] ✅ No previous runs active. Continuing...
[INFO] Running IssueUseCase for issue #3.
[INFO] 📋 Executing IssueUseCase.
[INFO] 🔐 Executing CheckPermissionsUseCase.
[DEBUG] Ignoring permission checking. Issue doesn't require mandatory branch.
[INFO] 👤 Executing AssignMemberToIssueUseCase.
[DEBUG] #3 needs 1 assignees.
[INFO] ✏️ Executing UpdateTitleUseCase.
[INFO] 🏷️ Executing UpdateIssueTypeUseCase.
[DEBUG] Setting issue type for issue 3 to Feature
[DEBUG] Creating new issue type "Feature" for organization vypdev...
[DEBUG] Issue Type: Feature
[DEBUG] Issue Type Description: A new functionality, enhancement, or improvement requested for the project.
[DEBUG] Issue Type Color: green
[DEBUG] Fetched issue ID: I_kwDOSpY2Fc8AAAABEPG3tA
[DEBUG] Organization ID: MDEyOk9yZ2FuaXphdGlvbjYzNzA1NDAz
[DEBUG] Organization issue types: [{"id":"IT_kwDOA8wRO84AuWac","name":"Task"},{"id":"IT_kwDOA8wRO84AuWag","name":"Bug"},{"id":"IT_kwDOA8wRO84AuWak","name":"Feature"},{"id":"IT_kwDOA8wRO84Bw9l2","name":"Documentation"},{"id":"IT_kwDOA8wRO84Bw9mw","name":"Question"},{"id":"IT_kwDOA8wRO84Bw9oA","name":"Maintenance"},{"id":"IT_kwDOA8wRO84Bw90_","name":"Release"},{"id":"IT_kwDOA8wRO84Bxfgg","name":"Hotfix"},{"id":"IT_kwDOA8wRO84Bxfgh","name":"Help"}]
[DEBUG] Found existing issue type "Feature" with ID: IT_kwDOA8wRO84AuWak
[DEBUG] Successfully updated issue type to Feature
[INFO] 🔗 Executing LinkIssueProjectUseCase.
[DEBUG] Fetched issue ID: I_kwDOSpY2Fc8AAAABEPG3tA
[DEBUG] Content I_kwDOSpY2Fc8AAAABEPG3tA is already linked to project PVT_kwDOA8wRO84Ajh7B.
[DEBUG] LinkIssueProject: issue already linked to project "vypdev" or link failed.
[INFO] 📏 Executing CheckPriorityIssueSizeUseCase.
[DEBUG] Priority: priority: low
[DEBUG] Github Priority Label: P2
[DEBUG] Content ID: PVTI_lADOA8wRO84Ajh7BzgumP9Q
[DEBUG] Target field: {
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}
[DEBUG] Target option: {
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}
[DEBUG] Field 'Priority' is already set to 'P2'. No update needed.
[INFO] 🧹 Executing RemoveIssueBranchesUseCase.
[DEBUG] Checking branch type feature
[DEBUG] Checking prefix feature/3-
[DEBUG] Checking branch type bugfix
[DEBUG] Checking prefix bugfix/3-
[INFO] 🧹 Executing RemoveNotNeededBranchesUseCase.
[INFO] 🏷️ Executing DeployAddedUseCase.
[INFO] 🏷️ Executing DeployedAddedUseCase.
[INFO] 💡 Executing RecommendStepsUseCase.
[DEBUG] RecommendSteps: prompt length=2004, issue description length=1168.
[INFO] 🤖 Recommending steps using OpenCode Plan agent...
[INFO] OpenCode request [agent build] model=opencode/deepseek-v4-flash-free promptLength=2004
[INFO] OpenCode sending prompt (full):
Based on the following issue description, recommend concrete steps to implement or address this issue. Order the steps logically (e.g. setup, implementation, tests, docs). Keep each step clear and actionable.

**Important – use full project context:** In addition to reading the relevant code (respecting any file ignore patterns specified), read the repository documentation (e.g. README, docs/) and any defined rules or conventions (e.g. .cursor/rules, CONTRIBUTING, project guidelines). This gives you a complete picture of the project and leads to better decisions in both quality of reasoning and efficiency.

**Issue #3 description:**
### Is there an existing issue or feature request for this?

- [x] I have searched the existing issues and feature requests.

### What area does this improvement affect?

Quota data / API

### Which parts of Cursor Quota does this affect?

_No response_

### Description of the idea or improvement

Run a time-boxed investigation using a local MITM HTTPS proxy to capture and decode traffic between Cursor IDE and Cursor backends (api2.cursor.sh, agent*.api5.cursor.sh, and related cursor.com dashboard APIs). The goal is to understand what the client sends and receives on the wire—especially around usage, billing, and agent/composer streams—and whether any fields (e.g. request_id, usage_uuid, token counts) can be correlated with data we already read from state.vscdb or from get-filtered-usage-events.

### Current limitations or challenges

Certificate

### Expected impact

Full understanding of the Cursor client with the server

### Alternatives considered

_No response_

### Cursor Quota Version

_No response_

### Additional context or comments

_No response_

<!-- copilot-configuration-start
{
    "branchType": "feature"
}
copilot-configuration-end -->

Provide a numbered list of recommended steps in **markdown** (use headings, lists, code blocks for commands or snippets) so it is easy to read. You can add brief sub-bullets per step if needed.
[DEBUG] OpenCode prompt (full, no truncation):
Based on the following issue description, recommend concrete steps to implement or address this issue. Order the steps logically (e.g. setup, implementation, tests, docs). Keep each step clear and actionable.

**Important – use full project context:** In addition to reading the relevant code (respecting any file ignore patterns specified), read the repository documentation (e.g. README, docs/) and any defined rules or conventions (e.g. .cursor/rules, CONTRIBUTING, project guidelines). This gives you a complete picture of the project and leads to better decisions in both quality of reasoning and efficiency.

**Issue #3 description:**
### Is there an existing issue or feature request for this?

- [x] I have searched the existing issues and feature requests.

### What area does this improvement affect?

Quota data / API

### Which parts of Cursor Quota does this affect?

_No response_

### Description of the idea or improvement

Run a time-boxed investigation using a local MITM HTTPS proxy to capture and decode traffic between Cursor IDE and Cursor backends (api2.cursor.sh, agent*.api5.cursor.sh, and related cursor.com dashboard APIs). The goal is to understand what the client sends and receives on the wire—especially around usage, billing, and agent/composer streams—and whether any fields (e.g. request_id, usage_uuid, token counts) can be correlated with data we already read from state.vscdb or from get-filtered-usage-events.

### Current limitations or challenges

Certificate

### Expected impact

Full understanding of the Cursor client with the server

### Alternatives considered

_No response_

### Cursor Quota Version

_No response_

### Additional context or comments

_No response_

<!-- copilot-configuration-start
{
    "branchType": "feature"
}
copilot-configuration-end -->

Provide a numbered list of recommended steps in **markdown** (use headings, lists, code blocks for commands or snippets) so it is easy to read. You can add brief sub-bullets per step if needed.
[DEBUG] OpenCode message body: agent=build, model=opencode/deepseek-v4-flash-free, parts[0].text length=2004
[DEBUG] OpenCode session create body: {"title":"copilot"}
[DEBUG] OpenCode response [OpenCode session.create] status=200 bodyLength=370. Full body:
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[DEBUG] OpenCode POST /session/ses_172d5abb5ffebqb0qC1MMGWviI/message body (keys): agent, model, parts (1 part(s))
[INFO] OpenCode: waiting for agent "build" message response (client timeout: 15 min)...
[DEBUG] OpenCode response [OpenCode agent "build" message] status=200 bodyLength=12635. Full body:
{"info":{"parentID":"msg_e8d2a5493001yfT9JCEXCJWDmJ","role":"assistant","mode":"build","agent":"build","path":{"cwd":"/home/runner/work/cursor-accounts/cursor-accounts","root":"/home/runner/work/cursor-accounts/cursor-accounts"},"cost":0,"tokens":{"total":24583,"input":2719,"output":2241,"reasoning":551,"cache":{"write":0,"read":19072}},"modelID":"deepseek-v4-flash-free","providerID":"opencode","time":{"created":1780484891905,"completed":1780484916403},"finish":"stop","id":"msg_e8d2b6501001StaLtRmjXuYJVv","sessionID":"ses_172d5abb5ffebqb0qC1MMGWviI"},"parts":[{"snapshot":"db7523ab632dd9045270ce553c5b7a682be8ccd2","type":"step-start","id":"prt_e8d2b67a6001Svvqhg55VDSG0U","sessionID":"ses_172d5abb5ffebqb0qC1MMGWviI","messageID":"msg_e8d2b6501001StaLtRmjXuYJVv"},{"type":"reasoning","text":"Now I have a thorough understanding of the project. Let me write the comprehensive recommendation steps for Issue #3.\n\nKey points to consider:\n1. The project is a VS Code extension (Cursor) that reads from state.vscdb and calls api2.cursor.sh\n2. There's zero production dependencies\n3. The Connect RPC protocol uses protobuf over HTTP with Connect-Protocol-Version: 1\n4. The issue asks for MITM investigation to understand undiscovered endpoints/fields\n5. Certificate trust is the main challenge (mentioned in the issue)\n6. Targets: api2.cursor.sh, agent*.api5.cursor.sh, cursor.com dashboard\n\nLet me structure a comprehensive but practical plan:\n\nPhase 1: Setup (MITM proxy, cert trust, routing)\nPhase 2: Capture baseline traffic (IDE startup, settings, usage)\nPhase 3: Capture agent/composer traffic\nPhase 4: Decode and correlate Connect RPC protobuf\nPhase 5: Dashboard API capture\nPhase 6: Cross-reference with state.vscdb\nPhase 7: Document findings\n\nLet me think about the specifics:\n\nFor mitmproxy:\n- Install via pip/brew\n- Generate CA cert\n- Trust the cert at OS level (and potentially for Node.js/Electron)\n- Configure Cursor to use the proxy\n\nFor Electron proxy configuration:\n- Cursor (being an Electron app) respects system proxy settings\n- OR can be launched with `--proxy-server=localhost:8080` flag\n- OR environment variables `HTTP_PROXY`, `HTTPS_PROXY`, `NO_PROXY`\n\nFor Connect RPC:\n- The protocol uses HTTP/1.1 or HTTP/2 with Connect-Protocol-Version header\n- Body is serialized protobuf\n- Need to capture the raw bytes and attempt to decode\n- Could use mitmproxy's script hooks to decode\n\nFor the protobuf schema:\n- We don't have the .proto files\n- Need to reverse-engineer the schema from captured traffic\n- Tools like protoc combined with known field patterns\n- The response structure from GetCurrentPeriodUsage gives hints\n\nLet me also think about what specific data to look for:\n- Usage_uuid, request_id (mentioned in the issue)\n- Token counts (probably in agent/composer streams)\n- Billing data beyond what we already capture\n- Agent/composer request/response patterns\n\nFor the agent*.api5.cursor.sh endpoints:\n- These seem to be the agent/composer API endpoints\n- Likely WebSocket or streaming HTTP connections\n- May use different protocol than Connect RPC\n\nLet me craft the steps.","time":{"start":1780484892948,"end":1780484897939},"id":"prt_e8d2b6914001qt0erFRfx2ENQy","sessionID":"ses_172d5abb5ffebqb0qC1MMGWviI","messageID":"msg_e8d2b6501001StaLtRmjXuYJVv"},{"type":"text","text":"Based on full project context, here are the recommended steps:\n\n---\n\n## Recommendations for Issue #3 — MITM HTTPS Proxy Investigation\n\n### Step 1: Study the existing codebase and protocol surface\n\n- Read `docs/RESEARCH.md` thoroughly — it documents the one known endpoint (`GetCurrentPeriodUsage`) and the Connect RPC protocol used\n- Review `src/api/quotaClient.ts` — understand the exact HTTP headers (`Connect-Protocol-Version: 1`, `Authorization: Bearer ...`), the JSON body, and response shape\n- Review `src/auth/tokenRefresh.ts` — understand the OAuth token refresh flow (endpoint, body, client_id `KbZUR41cY7W6zRSdpSUJ7I7mLYBKOCmB`)\n- Read `src/auth/tokenReader.ts` — understand what fields are extracted from `state.vscdb` and the JWT payload structure\n- **Goal**: build a baseline of what is *already known* so captured traffic can be compared against it\n\n### Step 2: Choose and install MITM proxy tool\n\n- **Recommended**: [mitmproxy](https://mitmproxy.org/) (Python) — mature, scriptable, HTTPS-capable, has a web UI (`mitmweb`)\n- Install via:\n  bash\n  pip install mitmproxy\n  # or\n  brew install mitmproxy\n  \n- Alternative (if Python is unavailable): [mitmproxy's Node.js port](https://github.com/nicehash/mitmproxy-node) or a simple Node.js HTTPS proxy using Node's built-in `http`/`https`/`tls` modules (since the project uses Node 22)\n\n### Step 3: Generate and trust the MITM CA certificate\n\n- Start mitmproxy once to generate its CA cert:\n  bash\n  mitmproxy\n  \n- The CA cert is typically at `~/.mitmproxy/mitmproxy-ca-cert.pem`\n- **Trust the CA at the OS level** (the \"Certificate\" challenge mentioned in the issue):\n  - **macOS**:\n    bash\n    sudo security add-trusted-cert -d -r trustRoot \\\n      -k /Library/Keychains/System.keychain \\\n      ~/.mitmproxy/mitmproxy-ca-cert.pem\n    \n  - **Linux**:\n    bash\n    sudo cp ~/.mitmproxy/mitmproxy-ca-cert.pem /usr/local/share/ca-certificates/\n    sudo update-ca-certificates\n    \n  - **Windows**:\n    powershell\n    certutil -addstore Root \"$env:USERPROFILE\\.mitmproxy\\mitmproxy-ca-cert.pem\"\n    \n- **Critical**: Electron (Cursor's runtime) uses its own certificate store. The system CA may not be enough. You may need to set `NODE_EXTRA_CA_CERTS` or start Cursor with `--ignore-certificate-errors` (last resort)\n- Verify trust: `curl --proxy http://localhost:8080 https://api2.cursor.sh`\n\n### Step 4: Configure Cursor/VS Code to route through the proxy\n\nMethod A — Launch Cursor with proxy flags (most reliable):\nbash\n# macOS\nopen -na \"Cursor\" --args --proxy-server=localhost:8080\n\n# Linux\ncursor --proxy-server=localhost:8080\n\n# Windows\n\"C:\\Users\\<user>\\AppData\\Local\\Programs\\Cursor\\Cursor.exe\" --proxy-server=localhost:8080\n\n\nMethod B — Set environment variables:\nbash\nHTTPS_PROXY=http://localhost:8080 HTTP_PROXY=http://localhost:8080 cursor\n\n\nMethod C (if Electron ignores CLI flags) — Use system proxy settings:\n- Set the system-wide proxy to `localhost:8080`, launch Cursor, then revert after capture\n\n**Important**: Add `cursor.com`, `api2.cursor.sh`, `api5.cursor.sh` to the list of proxied domains via mitmproxy's `--allow-hosts` filter to scope the capture\n\n### Step 5: Capture baseline IDE traffic\n\n- Start mitmproxy (or `mitmweb` for web UI):\n  bash\n  mitmweb --listen-host localhost --listen-port 8080\n  \n- Launch Cursor through the proxy\n- Perform these actions while capturing:\n  1. **IDE startup** (covers extension activation, auth checks, Settings UI initialization)\n  2. **Open Settings → Usage** page (triggers the known `GetCurrentPeriodUsage` call — verify you can see it in the capture)\n  3. **Trigger a quota usage event** (send a chat message, use Composer, run an agent)\n- Save the capture:\n  bash\n  mitmproxy --save-stream-file cursor-baseline.flow\n  \n\n### Step 6: Decode Connect RPC protobuf traffic\n\n- mitmproxy shows the HTTP request/response but **protobuf payloads will be hex/binary by default**\n- Write a [mitmproxy addon script](https://docs.mitmproxy.org/stable/addons-overview/) to decode Connect RPC:\n  python\n  # decode_connect.py\n  from mitmproxy import http\n\n  def response(flow: http.HTTPFlow) -> None:\n      if \"connect-protocol-version\" in flow.request.headers:\n          content = flow.response.get_content()\n          # Log raw bytes for offline analysis\n          print(f\"[Connect RPC] {flow.request.path} | {len(content)} bytes\")\n          # Try protobuf decode\n          try:\n              from google.protobuf import descriptor, descriptor_pool, json_format\n              # Attempt dynamic decode based on known field patterns\n              # ...\n          except:\n              pass\n  \n- Run with: `mitmweb -s decode_connect.py`\n- For deeper analysis, save raw protobuf payloads and use [protoc](https://github.com/protocolbuffers/protobuf) or [protoscope](https://github.com/protocolbuffers/protoscope) to inspect field structure offline:\n  bash\n  protoscope response.bin\n  \n\n### Step 7: Capture agent/composer streams (agent*.api5.cursor.sh)\n\n- These endpoints likely use **WebSocket** or **Server-Sent Events** (streaming). mitmproxy supports WebSocket capture natively\n- Look for:\n  - WebSocket upgrade requests to `agent*.api5.cursor.sh`\n  - Long-lived streaming HTTP connections\n  - JSON or protobuf framed messages (NDJSON, length-prefixed)\n- In mitmweb, filter by `~u agent.*.api5.cursor.sh`\n- Agent/composer streams are likely where **token counts** and **usage_uuid** per-request fields appear — correlate these with the aggregate data from `GetCurrentPeriodUsage`\n\n### Step 8: Capture cursor.com dashboard API traffic\n\n- Open `https://cursor.com/settings/usage` in a browser via the proxy (not the IDE)\n- Inspect `XHR/fetch` requests to identify cookie-authenticated (`WorkosCursorSessionToken`) endpoints like `GET /api/usage-summary`\n- Compare the response shape with the IDE's `GetCurrentPeriodUsage` — they should overlap but may expose additional fields\n\n### Step 9: Correlate captured data with state.vscdb contents\n\n- After capturing, query `state.vscdb` to dump all keys (not just auth):\n  bash\n  sqlite3 ~/Library/Application\\ Support/Cursor/User/globalStorage/state.vscdb \\\n    \"SELECT key, substr(value, 1, 200) FROM ItemTable;\"\n  \n- Search for any fields matching captured API values: `usage_uuid`, `request_id`, `session_id`, `conversation_id`, token counters\n- Map the SQLite keys to the API fields they correspond to\n\n### Step 10: Analyze and document findings\n\n- Create a structured document (e.g., `docs/NETWORK_PROTOCOL.md`) with:\n  - **Discovered endpoints**: URL, HTTP method, headers, auth mechanism\n  - **Request/response schemas**: field names, types, example values\n  - **Correlation table**: which SQLite `state.vscdb` keys map to which API fields\n  - **Undiscovered gaps**: endpoints that were not reachable or not decodable\n- Update `docs/RESEARCH.md` with new findings — particularly any new usage/billing fields, token allocation patterns, and streaming protocol details\n- **Key deliverables**:\n  1. A proto-like schema (even partial) for each discovered endpoint\n  2. A list of correlated fields between `state.vscdb` and API responses\n  3. Identification of any `request_id`, `usage_uuid`, or token-count fields in agent/composer requests\n  4. Assessment of whether any new extension features are now feasible (e.g., per-request token tracking, real-time usage updates)\n\n### Step 11: Optional — Write a scripted capture replay\n\n- Using the captured `.flow` files and the existing `TokenService`/`QuotaClient` classes, write a Node.js script in `scripts/` that replays the captured requests against live Cursor APIs\n- This serves as:\n  - A regression check when Cursor API changes\n  - A way to systematically document request/response schemas\n  - A foundation for future extension features\n\n### Time-boxing recommendations\n\n| Phase | Target duration | Scope |\n|-------|----------------|-------|\n| Setup (Steps 2–4) | 1–2 hours | Tool install, cert trust verification, proxy config |\n| Baseline capture (Steps 5–6) | 1–2 hours | IDE startup + Settings → Usage + known endpoint |\n| Agent/Composer (Step 7) | 1–2 hours | Streaming capture, token count fields |\n| Dashboard (Step 8) | 30–60 min | cursor.com API comparison |\n| Correlation & analysis (Steps 9–10) | 2–3 hours | `state.vscdb` mapping, schema documentation |\n| **Total** | **6–10 hours** | |\n\n**Key risk**: Certificate trust in Electron. If `--ignore-certificate-errors` is required, it changes connection behavior. Test with a simple fetch to `api2.cursor.sh` first.","time":{"start":1780484897942,"end":1780484916354},"id":"prt_e8d2b7c96001JE9LR8Jbn6TQkK","sessionID":"ses_172d5abb5ffebqb0qC1MMGWviI","messageID":"msg_e8d2b6501001StaLtRmjXuYJVv"},{"reason":"stop","snapshot":"db7523ab632dd9045270ce553c5b7a682be8ccd2","type":"step-finish","tokens":{"total":24583,"input":2719,"output":2241,"reasoning":551,"cache":{"write":0,"read":19072}},"cost":0,"id":"prt_e8d2bc49f001t5NVcdCjSkFGhA","sessionID":"ses_172d5abb5ffebqb0qC1MMGWviI","messageID":"msg_e8d2b6501001StaLtRmjXuYJVv"}]}
[DEBUG] OpenCode agent "build" message parts: 4 part(s) — [0] type=step-start length=0 | [1] type=reasoning length=2303 | [2] type=text length=8555 | [3] type=step-finish length=0
[DEBUG] OpenCode part [1] type=reasoning full text:
Now I have a thorough understanding of the project. Let me write the comprehensive recommendation steps for Issue #3.

Key points to consider:
1. The project is a VS Code extension (Cursor) that reads from state.vscdb and calls api2.cursor.sh
2. There's zero production dependencies
3. The Connect RPC protocol uses protobuf over HTTP with Connect-Protocol-Version: 1
4. The issue asks for MITM investigation to understand undiscovered endpoints/fields
5. Certificate trust is the main challenge (mentioned in the issue)
6. Targets: api2.cursor.sh, agent*.api5.cursor.sh, cursor.com dashboard

Let me structure a comprehensive but practical plan:

Phase 1: Setup (MITM proxy, cert trust, routing)
Phase 2: Capture baseline traffic (IDE startup, settings, usage)
Phase 3: Capture agent/composer traffic
Phase 4: Decode and correlate Connect RPC protobuf
Phase 5: Dashboard API capture
Phase 6: Cross-reference with state.vscdb
Phase 7: Document findings

Let me think about the specifics:

For mitmproxy:
- Install via pip/brew
- Generate CA cert
- Trust the cert at OS level (and potentially for Node.js/Electron)
- Configure Cursor to use the proxy

For Electron proxy configuration:
- Cursor (being an Electron app) respects system proxy settings
- OR can be launched with `--proxy-server=localhost:8080` flag
- OR environment variables `HTTP_PROXY`, `HTTPS_PROXY`, `NO_PROXY`

For Connect RPC:
- The protocol uses HTTP/1.1 or HTTP/2 with Connect-Protocol-Version header
- Body is serialized protobuf
- Need to capture the raw bytes and attempt to decode
- Could use mitmproxy's script hooks to decode

For the protobuf schema:
- We don't have the .proto files
- Need to reverse-engineer the schema from captured traffic
- Tools like protoc combined with known field patterns
- The response structure from GetCurrentPeriodUsage gives hints

Let me also think about what specific data to look for:
- Usage_uuid, request_id (mentioned in the issue)
- Token counts (probably in agent/composer streams)
- Billing data beyond what we already capture
- Agent/composer request/response patterns

For the agent*.api5.cursor.sh endpoints:
- These seem to be the agent/composer API endpoints
- Likely WebSocket or streaming HTTP connections
- May use different protocol than Connect RPC

Let me craft the steps.
[DEBUG] OpenCode part [2] type=text full text:
Based on full project context, here are the recommended steps:

---

## Recommendations for Issue #3 — MITM HTTPS Proxy Investigation

### Step 1: Study the existing codebase and protocol surface

- Read `docs/RESEARCH.md` thoroughly — it documents the one known endpoint (`GetCurrentPeriodUsage`) and the Connect RPC protocol used
- Review `src/api/quotaClient.ts` — understand the exact HTTP headers (`Connect-Protocol-Version: 1`, `Authorization: Bearer ...`), the JSON body, and response shape
- Review `src/auth/tokenRefresh.ts` — understand the OAuth token refresh flow (endpoint, body, client_id `KbZUR41cY7W6zRSdpSUJ7I7mLYBKOCmB`)
- Read `src/auth/tokenReader.ts` — understand what fields are extracted from `state.vscdb` and the JWT payload structure
- **Goal**: build a baseline of what is *already known* so captured traffic can be compared against it

### Step 2: Choose and install MITM proxy tool

- **Recommended**: [mitmproxy](https://mitmproxy.org/) (Python) — mature, scriptable, HTTPS-capable, has a web UI (`mitmweb`)
- Install via:
  bash
  pip install mitmproxy
  # or
  brew install mitmproxy
  
- Alternative (if Python is unavailable): [mitmproxy's Node.js port](https://github.com/nicehash/mitmproxy-node) or a simple Node.js HTTPS proxy using Node's built-in `http`/`https`/`tls` modules (since the project uses Node 22)

### Step 3: Generate and trust the MITM CA certificate

- Start mitmproxy once to generate its CA cert:
  bash
  mitmproxy
  
- The CA cert is typically at `~/.mitmproxy/mitmproxy-ca-cert.pem`
- **Trust the CA at the OS level** (the "Certificate" challenge mentioned in the issue):
  - **macOS**:
    bash
    sudo security add-trusted-cert -d -r trustRoot \
      -k /Library/Keychains/System.keychain \
      ~/.mitmproxy/mitmproxy-ca-cert.pem
    
  - **Linux**:
    bash
    sudo cp ~/.mitmproxy/mitmproxy-ca-cert.pem /usr/local/share/ca-certificates/
    sudo update-ca-certificates
    
  - **Windows**:
    powershell
    certutil -addstore Root "$env:USERPROFILE\.mitmproxy\mitmproxy-ca-cert.pem"
    
- **Critical**: Electron (Cursor's runtime) uses its own certificate store. The system CA may not be enough. You may need to set `NODE_EXTRA_CA_CERTS` or start Cursor with `--ignore-certificate-errors` (last resort)
- Verify trust: `curl --proxy http://localhost:8080 https://api2.cursor.sh`

### Step 4: Configure Cursor/VS Code to route through the proxy

Method A — Launch Cursor with proxy flags (most reliable):
bash
# macOS
open -na "Cursor" --args --proxy-server=localhost:8080

# Linux
cursor --proxy-server=localhost:8080

# Windows
"C:\Users\<user>\AppData\Local\Programs\Cursor\Cursor.exe" --proxy-server=localhost:8080


Method B — Set environment variables:
bash
HTTPS_PROXY=http://localhost:8080 HTTP_PROXY=http://localhost:8080 cursor


Method C (if Electron ignores CLI flags) — Use system proxy settings:
- Set the system-wide proxy to `localhost:8080`, launch Cursor, then revert after capture

**Important**: Add `cursor.com`, `api2.cursor.sh`, `api5.cursor.sh` to the list of proxied domains via mitmproxy's `--allow-hosts` filter to scope the capture

### Step 5: Capture baseline IDE traffic

- Start mitmproxy (or `mitmweb` for web UI):
  bash
  mitmweb --listen-host localhost --listen-port 8080
  
- Launch Cursor through the proxy
- Perform these actions while capturing:
  1. **IDE startup** (covers extension activation, auth checks, Settings UI initialization)
  2. **Open Settings → Usage** page (triggers the known `GetCurrentPeriodUsage` call — verify you can see it in the capture)
  3. **Trigger a quota usage event** (send a chat message, use Composer, run an agent)
- Save the capture:
  bash
  mitmproxy --save-stream-file cursor-baseline.flow
  

### Step 6: Decode Connect RPC protobuf traffic

- mitmproxy shows the HTTP request/response but **protobuf payloads will be hex/binary by default**
- Write a [mitmproxy addon script](https://docs.mitmproxy.org/stable/addons-overview/) to decode Connect RPC:
  python
  # decode_connect.py
  from mitmproxy import http

  def response(flow: http.HTTPFlow) -> None:
      if "connect-protocol-version" in flow.request.headers:
          content = flow.response.get_content()
          # Log raw bytes for offline analysis
          print(f"[Connect RPC] {flow.request.path} | {len(content)} bytes")
          # Try protobuf decode
          try:
              from google.protobuf import descriptor, descriptor_pool, json_format
              # Attempt dynamic decode based on known field patterns
              # ...
          except:
              pass
  
- Run with: `mitmweb -s decode_connect.py`
- For deeper analysis, save raw protobuf payloads and use [protoc](https://github.com/protocolbuffers/protobuf) or [protoscope](https://github.com/protocolbuffers/protoscope) to inspect field structure offline:
  bash
  protoscope response.bin
  

### Step 7: Capture agent/composer streams (agent*.api5.cursor.sh)

- These endpoints likely use **WebSocket** or **Server-Sent Events** (streaming). mitmproxy supports WebSocket capture natively
- Look for:
  - WebSocket upgrade requests to `agent*.api5.cursor.sh`
  - Long-lived streaming HTTP connections
  - JSON or protobuf framed messages (NDJSON, length-prefixed)
- In mitmweb, filter by `~u agent.*.api5.cursor.sh`
- Agent/composer streams are likely where **token counts** and **usage_uuid** per-request fields appear — correlate these with the aggregate data from `GetCurrentPeriodUsage`

### Step 8: Capture cursor.com dashboard API traffic

- Open `https://cursor.com/settings/usage` in a browser via the proxy (not the IDE)
- Inspect `XHR/fetch` requests to identify cookie-authenticated (`WorkosCursorSessionToken`) endpoints like `GET /api/usage-summary`
- Compare the response shape with the IDE's `GetCurrentPeriodUsage` — they should overlap but may expose additional fields

### Step 9: Correlate captured data with state.vscdb contents

- After capturing, query `state.vscdb` to dump all keys (not just auth):
  bash
  sqlite3 ~/Library/Application\ Support/Cursor/User/globalStorage/state.vscdb \
    "SELECT key, substr(value, 1, 200) FROM ItemTable;"
  
- Search for any fields matching captured API values: `usage_uuid`, `request_id`, `session_id`, `conversation_id`, token counters
- Map the SQLite keys to the API fields they correspond to

### Step 10: Analyze and document findings

- Create a structured document (e.g., `docs/NETWORK_PROTOCOL.md`) with:
  - **Discovered endpoints**: URL, HTTP method, headers, auth mechanism
  - **Request/response schemas**: field names, types, example values
  - **Correlation table**: which SQLite `state.vscdb` keys map to which API fields
  - **Undiscovered gaps**: endpoints that were not reachable or not decodable
- Update `docs/RESEARCH.md` with new findings — particularly any new usage/billing fields, token allocation patterns, and streaming protocol details
- **Key deliverables**:
  1. A proto-like schema (even partial) for each discovered endpoint
  2. A list of correlated fields between `state.vscdb` and API responses
  3. Identification of any `request_id`, `usage_uuid`, or token-count fields in agent/composer requests
  4. Assessment of whether any new extension features are now feasible (e.g., per-request token tracking, real-time usage updates)

### Step 11: Optional — Write a scripted capture replay

- Using the captured `.flow` files and the existing `TokenService`/`QuotaClient` classes, write a Node.js script in `scripts/` that replays the captured requests against live Cursor APIs
- This serves as:
  - A regression check when Cursor API changes
  - A way to systematically document request/response schemas
  - A foundation for future extension features

### Time-boxing recommendations

| Phase | Target duration | Scope |
|-------|----------------|-------|
| Setup (Steps 2–4) | 1–2 hours | Tool install, cert trust verification, proxy config |
| Baseline capture (Steps 5–6) | 1–2 hours | IDE startup + Settings → Usage + known endpoint |
| Agent/Composer (Step 7) | 1–2 hours | Streaming capture, token count fields |
| Dashboard (Step 8) | 30–60 min | cursor.com API comparison |
| Correlation & analysis (Steps 9–10) | 2–3 hours | `state.vscdb` mapping, schema documentation |
| **Total** | **6–10 hours** | |

**Key risk**: Certificate trust in Electron. If `--ignore-certificate-errors` is required, it changes connection behavior. Test with a simple fetch to `api2.cursor.sh` first.
[INFO] OpenCode response [agent build] responseLength=8555 sessionId=ses_172d5abb5ffebqb0qC1MMGWviI
[DEBUG] RecommendSteps: OpenCode response received. Steps length=8555. Full steps:
Based on full project context, here are the recommended steps:

---

## Recommendations for Issue #3 — MITM HTTPS Proxy Investigation

### Step 1: Study the existing codebase and protocol surface

- Read `docs/RESEARCH.md` thoroughly — it documents the one known endpoint (`GetCurrentPeriodUsage`) and the Connect RPC protocol used
- Review `src/api/quotaClient.ts` — understand the exact HTTP headers (`Connect-Protocol-Version: 1`, `Authorization: Bearer ...`), the JSON body, and response shape
- Review `src/auth/tokenRefresh.ts` — understand the OAuth token refresh flow (endpoint, body, client_id `KbZUR41cY7W6zRSdpSUJ7I7mLYBKOCmB`)
- Read `src/auth/tokenReader.ts` — understand what fields are extracted from `state.vscdb` and the JWT payload structure
- **Goal**: build a baseline of what is *already known* so captured traffic can be compared against it

### Step 2: Choose and install MITM proxy tool

- **Recommended**: [mitmproxy](https://mitmproxy.org/) (Python) — mature, scriptable, HTTPS-capable, has a web UI (`mitmweb`)
- Install via:
  bash
  pip install mitmproxy
  # or
  brew install mitmproxy
  
- Alternative (if Python is unavailable): [mitmproxy's Node.js port](https://github.com/nicehash/mitmproxy-node) or a simple Node.js HTTPS proxy using Node's built-in `http`/`https`/`tls` modules (since the project uses Node 22)

### Step 3: Generate and trust the MITM CA certificate

- Start mitmproxy once to generate its CA cert:
  bash
  mitmproxy
  
- The CA cert is typically at `~/.mitmproxy/mitmproxy-ca-cert.pem`
- **Trust the CA at the OS level** (the "Certificate" challenge mentioned in the issue):
  - **macOS**:
    bash
    sudo security add-trusted-cert -d -r trustRoot \
      -k /Library/Keychains/System.keychain \
      ~/.mitmproxy/mitmproxy-ca-cert.pem
    
  - **Linux**:
    bash
    sudo cp ~/.mitmproxy/mitmproxy-ca-cert.pem /usr/local/share/ca-certificates/
    sudo update-ca-certificates
    
  - **Windows**:
    powershell
    certutil -addstore Root "$env:USERPROFILE\.mitmproxy\mitmproxy-ca-cert.pem"
    
- **Critical**: Electron (Cursor's runtime) uses its own certificate store. The system CA may not be enough. You may need to set `NODE_EXTRA_CA_CERTS` or start Cursor with `--ignore-certificate-errors` (last resort)
- Verify trust: `curl --proxy http://localhost:8080 https://api2.cursor.sh`

### Step 4: Configure Cursor/VS Code to route through the proxy

Method A — Launch Cursor with proxy flags (most reliable):
bash
# macOS
open -na "Cursor" --args --proxy-server=localhost:8080

# Linux
cursor --proxy-server=localhost:8080

# Windows
"C:\Users\<user>\AppData\Local\Programs\Cursor\Cursor.exe" --proxy-server=localhost:8080


Method B — Set environment variables:
bash
HTTPS_PROXY=http://localhost:8080 HTTP_PROXY=http://localhost:8080 cursor


Method C (if Electron ignores CLI flags) — Use system proxy settings:
- Set the system-wide proxy to `localhost:8080`, launch Cursor, then revert after capture

**Important**: Add `cursor.com`, `api2.cursor.sh`, `api5.cursor.sh` to the list of proxied domains via mitmproxy's `--allow-hosts` filter to scope the capture

### Step 5: Capture baseline IDE traffic

- Start mitmproxy (or `mitmweb` for web UI):
  bash
  mitmweb --listen-host localhost --listen-port 8080
  
- Launch Cursor through the proxy
- Perform these actions while capturing:
  1. **IDE startup** (covers extension activation, auth checks, Settings UI initialization)
  2. **Open Settings → Usage** page (triggers the known `GetCurrentPeriodUsage` call — verify you can see it in the capture)
  3. **Trigger a quota usage event** (send a chat message, use Composer, run an agent)
- Save the capture:
  bash
  mitmproxy --save-stream-file cursor-baseline.flow
  

### Step 6: Decode Connect RPC protobuf traffic

- mitmproxy shows the HTTP request/response but **protobuf payloads will be hex/binary by default**
- Write a [mitmproxy addon script](https://docs.mitmproxy.org/stable/addons-overview/) to decode Connect RPC:
  python
  # decode_connect.py
  from mitmproxy import http

  def response(flow: http.HTTPFlow) -> None:
      if "connect-protocol-version" in flow.request.headers:
          content = flow.response.get_content()
          # Log raw bytes for offline analysis
          print(f"[Connect RPC] {flow.request.path} | {len(content)} bytes")
          # Try protobuf decode
          try:
              from google.protobuf import descriptor, descriptor_pool, json_format
              # Attempt dynamic decode based on known field patterns
              # ...
          except:
              pass
  
- Run with: `mitmweb -s decode_connect.py`
- For deeper analysis, save raw protobuf payloads and use [protoc](https://github.com/protocolbuffers/protobuf) or [protoscope](https://github.com/protocolbuffers/protoscope) to inspect field structure offline:
  bash
  protoscope response.bin
  

### Step 7: Capture agent/composer streams (agent*.api5.cursor.sh)

- These endpoints likely use **WebSocket** or **Server-Sent Events** (streaming). mitmproxy supports WebSocket capture natively
- Look for:
  - WebSocket upgrade requests to `agent*.api5.cursor.sh`
  - Long-lived streaming HTTP connections
  - JSON or protobuf framed messages (NDJSON, length-prefixed)
- In mitmweb, filter by `~u agent.*.api5.cursor.sh`
- Agent/composer streams are likely where **token counts** and **usage_uuid** per-request fields appear — correlate these with the aggregate data from `GetCurrentPeriodUsage`

### Step 8: Capture cursor.com dashboard API traffic

- Open `https://cursor.com/settings/usage` in a browser via the proxy (not the IDE)
- Inspect `XHR/fetch` requests to identify cookie-authenticated (`WorkosCursorSessionToken`) endpoints like `GET /api/usage-summary`
- Compare the response shape with the IDE's `GetCurrentPeriodUsage` — they should overlap but may expose additional fields

### Step 9: Correlate captured data with state.vscdb contents

- After capturing, query `state.vscdb` to dump all keys (not just auth):
  bash
  sqlite3 ~/Library/Application\ Support/Cursor/User/globalStorage/state.vscdb \
    "SELECT key, substr(value, 1, 200) FROM ItemTable;"
  
- Search for any fields matching captured API values: `usage_uuid`, `request_id`, `session_id`, `conversation_id`, token counters
- Map the SQLite keys to the API fields they correspond to

### Step 10: Analyze and document findings

- Create a structured document (e.g., `docs/NETWORK_PROTOCOL.md`) with:
  - **Discovered endpoints**: URL, HTTP method, headers, auth mechanism
  - **Request/response schemas**: field names, types, example values
  - **Correlation table**: which SQLite `state.vscdb` keys map to which API fields
  - **Undiscovered gaps**: endpoints that were not reachable or not decodable
- Update `docs/RESEARCH.md` with new findings — particularly any new usage/billing fields, token allocation patterns, and streaming protocol details
- **Key deliverables**:
  1. A proto-like schema (even partial) for each discovered endpoint
  2. A list of correlated fields between `state.vscdb` and API responses
  3. Identification of any `request_id`, `usage_uuid`, or token-count fields in agent/composer requests
  4. Assessment of whether any new extension features are now feasible (e.g., per-request token tracking, real-time usage updates)

### Step 11: Optional — Write a scripted capture replay

- Using the captured `.flow` files and the existing `TokenService`/`QuotaClient` classes, write a Node.js script in `scripts/` that replays the captured requests against live Cursor APIs
- This serves as:
  - A regression check when Cursor API changes
  - A way to systematically document request/response schemas
  - A foundation for future extension features

### Time-boxing recommendations

| Phase | Target duration | Scope |
|-------|----------------|-------|
| Setup (Steps 2–4) | 1–2 hours | Tool install, cert trust verification, proxy config |
| Baseline capture (Steps 5–6) | 1–2 hours | IDE startup + Settings → Usage + known endpoint |
| Agent/Composer (Step 7) | 1–2 hours | Streaming capture, token count fields |
| Dashboard (Step 8) | 30–60 min | cursor.com API comparison |
| Correlation & analysis (Steps 9–10) | 2–3 hours | `state.vscdb` mapping, schema documentation |
| **Total** | **6–10 hours** | |

**Key risk**: Certificate trust in Electron. If `--ignore-certificate-errors` is required, it changes connection behavior. Test with a simple fetch to `api2.cursor.sh` first.
[INFO] Main run finished. Results: 5, total steps: 2.
[INFO] Publishing result: 5 result(s), 2 step(s), 0 error(s).
[INFO] 📄 Executing PublishResultUseCase.

🚀 Happy coding!

^{Made with ❤️ by vypdev/copilot}

[vypbot]

✨ Feature Actions

1. The issue's title was updated from ✨ - MITM Proxy to ✨🧑‍💻 - MITM Proxy.
2. The branch develop was used to create feature/3-mitm-proxy.
3. Moved issue to In Progress in vypdev.

Reminder

1. Take a coffee break while you work ☕.
2. Check out the branch:

git fetch -v && git checkout feature/3-mitm-proxy

3. Commit the needed changes with this prefix:

feature-3-mitm-proxy

4. Open a Pull Request from feature/3-mitm-proxy to develop. New PR

Debug log

[DEBUG] Setup done. Issue number: 3, isSingleAction: false, isIssue: true, isPullRequest: false, isPush: false
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[INFO] Running IssueUseCase for issue #3.
[INFO] 📋 Executing IssueUseCase.
[INFO] 🔐 Executing CheckPermissionsUseCase.
[DEBUG] Ignoring permission checking. Issue state is not 'opened'.
[INFO] 👤 Executing AssignMemberToIssueUseCase.
[DEBUG] #3 needs 1 assignees.
[INFO] ✏️ Executing UpdateTitleUseCase.
[DEBUG] Issue title updated to: ✨🧑‍💻 - MITM Proxy
[INFO] 🏷️ Executing UpdateIssueTypeUseCase.
[DEBUG] Setting issue type for issue 3 to Feature
[DEBUG] Creating new issue type "Feature" for organization vypdev...
[DEBUG] Issue Type: Feature
[DEBUG] Issue Type Description: A new functionality, enhancement, or improvement requested for the project.
[DEBUG] Issue Type Color: green
[DEBUG] Fetched issue ID: I_kwDOSpY2Fc8AAAABEPG3tA
[DEBUG] Organization ID: MDEyOk9yZ2FuaXphdGlvbjYzNzA1NDAz
[DEBUG] Organization issue types: [{"id":"IT_kwDOA8wRO84AuWac","name":"Task"},{"id":"IT_kwDOA8wRO84AuWag","name":"Bug"},{"id":"IT_kwDOA8wRO84AuWak","name":"Feature"},{"id":"IT_kwDOA8wRO84Bw9l2","name":"Documentation"},{"id":"IT_kwDOA8wRO84Bw9mw","name":"Question"},{"id":"IT_kwDOA8wRO84Bw9oA","name":"Maintenance"},{"id":"IT_kwDOA8wRO84Bw90_","name":"Release"},{"id":"IT_kwDOA8wRO84Bxfgg","name":"Hotfix"},{"id":"IT_kwDOA8wRO84Bxfgh","name":"Help"}]
[DEBUG] Found existing issue type "Feature" with ID: IT_kwDOA8wRO84AuWak
[DEBUG] Successfully updated issue type to Feature
[INFO] 🔗 Executing LinkIssueProjectUseCase.
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[DEBUG] LinkIssueProject: issue already linked to project "vypdev" or link failed.
[INFO] 📏 Executing CheckPriorityIssueSizeUseCase.
[DEBUG] Priority: priority: low
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[INFO] 🌿 Executing PrepareBranchesUseCase.
[DEBUG] Fetching tags and forcing fetch...
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[DEBUG] Successfully fetched all remote branches.
[DEBUG] Available branches:
[DEBUG] - develop
[DEBUG] - feature/1-account-type-label
[DEBUG] - master
[DEBUG] Branch type: feature
[DEBUG] Managing branches
[DEBUG] [
  "develop",
  "feature/1-account-type-label",
  "master"
]
[DEBUG] Searching for branches related to issue #3...
[DEBUG] ============================================================================================
[DEBUG] Base branch: develop
[DEBUG] New branch: feature/3-mitm-proxy
[DEBUG] Creating linked branch feature/3-mitm-proxy from develop
[DEBUG] Repository information retrieved: {"target":{"oid":"6e67d0fd0c2556056992ac98b6754ed061aaea88"}}
[DEBUG] Linking branch "feature/3-mitm-proxy" (oid: 6e67d0fd0c2556056992ac98b6754ed061aaea88) to issue #3
[DEBUG] Linked branch: {"id":"LB_kwDPAAAAARDxt7TOANgW3w","ref":{"name":"feature/3-mitm-proxy"}}
[INFO] 📜 Executing CommitPrefixBuilderUseCase.
[DEBUG] Commit prefix generated: feature-3-mitm-proxy
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      "name": "Todo"
    },
    {
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    {
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[INFO] 🧹 Executing RemoveNotNeededBranchesUseCase.
[INFO] 🏷️ Executing DeployAddedUseCase.
[INFO] 🏷️ Executing DeployedAddedUseCase.
[INFO] Main run finished. Results: 8, total steps: 3.
[INFO] Publishing result: 8 result(s), 3 step(s), 0 error(s).
[INFO] 📄 Executing PublishResultUseCase.

🚀 Happy coding!

^{Made with ❤️ by vypdev/copilot}

[vypbot]

✨ Feature News

Changes on branch feature/3-mitm-proxy:

---

• 0c4f8b5 by Efra Espada (@efraespada)

Update version to 0.1.34 and add proxy commands and configurations

- Bumped version in `package.json` from 0.1.33 to 0.1.34.
- Introduced new commands for managing a MITM proxy: start, stop, show logs, show certificate instructions, and save certificate.
- Added configuration options for enabling the proxy, setting the proxy port, managing log size, and auto-launching with the proxy.
- Updated localization files to include new strings for the proxy commands and configurations across multiple languages.

---

• a5a47b4 by Efra Espada (@efraespada)

Remove showCertificate command and its localization strings from multiple languages, streamlining proxy command options in the application.

---

• 08c802e by Efra Espada (@efraespada)

Update proxy installation instructions and localization strings for multiple languages

- Enhanced the documentation for installing the MITM proxy CA, providing clearer steps for macOS, Windows, and Linux users.
- Updated localization files to reflect the new installation instructions and added success/error messages for certificate installation across various languages.
- Included manual installation steps as an alternative for users facing issues with automatic installation.

---

• fc2c78b by Efra Espada (@efraespada)

Enhance proxy management and localization updates

- Added functionality to check and cache the installation status of the CA certificate in the proxy manager.
- Updated the Accounts panel to refresh proxy status and display CA certificate installation status in the UI.
- Improved documentation for proxy setup, including clearer instructions for certificate installation and system trust verification.
- Localized new strings for CA certificate status across multiple languages, enhancing user experience.

---

• f146097 by Efra Espada (@efraespada)

Enhance proxy certificate management and localization updates

- Added instructions for removing the CA certificate from the system trust store, including platform-specific steps for macOS, Windows, and Linux.
- Updated localization files to include new strings for the delete certificate functionality across multiple languages, improving user experience.
- Enhanced documentation for proxy setup to reflect the new certificate removal process.

---

• 5f8b6a8 by Efra Espada (@efraespada)

Add uninstall functionality for CA certificate with confirmation modal

- Introduced a new modal for confirming the uninstallation of the CA certificate, enhancing user experience by preventing accidental removals.
- Updated the ProxyStatusCard component to conditionally display buttons for downloading and showing the CA certificate based on its installation status.
- Added corresponding styles for the uninstall modal to ensure a consistent look and feel within the application.

---

• 8aa36da by Efra Espada (@efraespada)

Refactor proxy management to use shared storage directory

- Updated the ProxyManager to utilize a shared storage directory for proxy state, ensuring consistent access across multiple Cursor windows.
- Enhanced documentation to clarify the proxy process and its state file location, improving user understanding of the proxy's operation.
- Added functionality to refresh the proxy status in the Accounts panel upon status changes, enhancing user experience.

---

• 7c30ff1 by Efra Espada (@efraespada)

Enhance proxy management and localization updates

- Updated the proxy management system to restore original settings across all profiles when the proxy stops or when the default Cursor window is opened.
- Implemented functionality to clear temporary proxy overrides from profiles when the proxy starts, ensuring a seamless user experience.
- Added new localization strings for the "Temporary proxy" badge and its hint across multiple languages, improving clarity for users.
- Enhanced documentation for proxy setup to reflect these changes and provide clearer instructions for users.

---

• c59f658 by Efra Espada (@efraespada)

Enhance proxy settings management and documentation

- Updated the ProfileSettingsManager to support reading and writing settings from a resolved application settings path, improving flexibility in managing user data.
- Introduced functionality in ProxySettingsService to apply proxy settings specifically for running profiles, enhancing user experience by ensuring active instances are correctly configured.
- Enhanced documentation for proxy setup, detailing where to find `http.proxy` settings and providing troubleshooting steps for users.
- Added logging for proxy application processes to improve traceability and debugging.

---

• 4154445 by Efra Espada (@efraespada)

Add proxy traffic logging and output display functionality

- Introduced a new command to show MITM proxy traffic output, enhancing user interaction with the proxy's data.
- Updated localization files to include new strings for displaying proxy traffic and related messages in English and Spanish.
- Enhanced the proxy management system to handle traffic events and errors, improving the overall user experience.
- Refactored the proxy server to emit traffic summaries and errors for better monitoring and debugging.
- Added UI components to facilitate viewing of proxy traffic within the application.

---

• 57046a2 by Efra Espada (@efraespada)

Add new proxy output configurations and localization updates

- Introduced new configuration options for the proxy, including 'outputTailFromStart' to replay recent log lines and 'outputCursorHostsOnly' to log only Cursor host traffic.
- Updated localization files to include new strings for the proxy output features across multiple languages, enhancing user experience and accessibility.
- Improved documentation to reflect the new configuration options and their descriptions, ensuring clarity for users.

---

⚠️ Attention

One or more commits didn't start with the prefix feature-3-mitm-proxy.

feature-3-mitm-proxy: created hello-world app

---

^{Made with ❤️ by vypdev/copilot}