MCPSmartProxy

Token-efficient MCP server gateway with semantic tool search

mcp-name: io.github.daedalus/mcp-smart-proxy

Install

pip install mcp-smart-proxy

Usage

from mcp_smart_proxy import ProxyConfig

config = ProxyConfig.from_file("proxy.yaml")

CLI

mcp-smart-proxy --help
mcp-smart-proxy serve --config proxy.yaml
mcp-smart-proxy serve --config proxy.yaml --watch ./servers/
mcp-smart-proxy serve --config proxy.yaml --transport streamable-http --host 0.0.0.0 --port 8000
mcp-smart-proxy index --config proxy.yaml
mcp-smart-proxy status --config proxy.yaml
mcp-smart-proxy validate --config proxy.yaml

The --watch option monitors a directory for .yaml, .yml, or .json files containing upstream server configurations. Add, modify, or remove files to dynamically update the available servers at runtime.

Transport Options

The --transport option supports:

• stdio (default) - Standard input/output transport for local MCP clients

API

Config

• ProxyConfig - Main configuration model
• UpstreamConfig - Upstream server configuration
• EmbeddingConfig - Embedding backend configuration
• VectorStoreConfig - Vector store backend configuration

Models

• ListResult - Result from the list tool
• SearchResult - Result from the search tool
• ToolResult - Result from tool calls

Development

git clone https://github.com/daedalus/mcp-smart-proxy.git
cd mcp-smart-proxy
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/