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LydiaTools/README.md
LydiaTools: nine practical projects with real product screens—Browser Agent Blueprint, CoverCalc Pro, Social Post Image Maker, Global Longform SEO Studio, Xiaohongshu NoteSignal, Lydia Foreign Trade System, Say It Plainly, Desktop Flow, and Xiaoran Topic Assistant

I turn those “there must be a clearer way” moments into small tools people can try.

Start with browser reliability, garden buying, or platform-ready visuals. Explore creator publishing, source-linked research, trade workflows, clearer replies, desktop capture, and content research.

Browser-agent demo · Garden calculator · Social image maker · Longform planning studio · NoteSignal · Trade inquiry system
Say It Plainly · Desktop Flow · Xiaoran Topic Assistant · Scope Check · Codex Skin Workshop contributions — original app by @luhaozwork

Nine projects in the banner: Browser Agent Blueprint · CoverCalc Pro · Social Post Image Maker · Global Longform SEO Studio · Xiaohongshu NoteSignal · Lydia Foreign Trade System · Say It Plainly · Desktop Flow · Xiaoran Topic Assistant

BFTOOLS team product: BFTiles — Windows window-layout utility · Product and download page · More team projects


Start here · Four featured projects for real work

Browser Agent Blueprint · Check what happened before trying again

Save timed out. Did the record go through? The blueprint separates attempted actions from verified outcomes so a resumed run checks the page before retrying. The project demo guide explains the browser-only test fixture and the full local recovery runner. The browser-only fixture lets you save once, reload, and read back the saved count; it is a test page, not an agent demo. The local recovery runner uses two separate processes and finishes with one saved record. The repository includes 12 original plain-text prompt modules, 4 workflow templates, and 6 reproducible scenarios.

Browser Agent Blueprint recovery evidence: two separate processes, one saved record, and a DONE checkpoint after readback

Two separate processes; one saved record after resume. Actual synthetic-fixture capture and recorded run output, with an explanatory layout.

The demo uses deterministic host code and makes no model calls. Muse, Grok, and Codex integration contracts are provided but have not been live-tested. Automatic wake-up and production crash consistency need host support.

Project overview · Demo guide · Modules and full recovery demo · Report a synthetic failure case

CoverCalc Pro · Check the quantities before placing an order

From volume to an actual buying decision. Whole bags, bulk minimums, order increments, and delivery fees are calculated together. In the website's worked example, a 2 yd³ supplier minimum changes the bulk order: 14 bags cost USD 80 delivered, while bulk costs USD 105.

Real CoverCalc Pro result: 14 whole bags cost USD 80 including delivery; the 2-cubic-yard minimum bulk order costs USD 105

Real calculator output using the site's example inputs: 100 ft² at 3 in, 10% allowance, a 2 yd³ bulk minimum, and illustrative prices.

Also featured: Social Post Image Maker · Global Longform SEO Studio

See the measurements, allowance, and supplier rules behind that result The measured 0.926 cubic yards becomes 14 whole bags or a 2-cubic-yard bulk minimum in CoverCalc Pro

Measured length, width, and depth tell you how much space to fill. The volume printed on a bag tells you how many bags to buy. This toolkit keeps the two calculations separate. Check rectangular or circular spaces and inspect the formulas, field definitions, and coverage CSV.

The single-area checker runs on GitHub Pages or as an HTML file you can open offline, without an account or third-party dependencies. The full live calculator is at covercalcpro.com. Repository examples don't guess prices, densities, or supplier rules.

Try the open-source checker · Open the full live calculator · Download the offline checker · Toolkit and source · Try the example

Social Post Image Maker · Give one idea four platform-native layouts

Start with one verified insight, pick a visual style, and export separate images for Pinterest, Instagram, Lemon8, and Facebook. This is local image composition; it does not publish posts.

Four actual Social Post Image Maker exports from one sample, showing Pinterest, Instagram, Lemon8, and Facebook layouts

Four sample exports arranged for comparison; they are not one batch export or a published campaign.

Try the English studio · 中文体验 · Source · Report an export or layout issue

Global Longform SEO Studio · Turn a creator identity into article plans

Define the audience and creator positioning, then build distinct plans for X Articles, Quora Answers, Medium, LinkedIn Articles, and Substack. Add evidence, draft locally with your own compatible model, edit, and export Markdown.

Actual Longform Atlas article plan using a CoverCalc Pro creator profile with different X Articles, Quora, and Medium angles and separate evidence fields

Actual local app using its built-in gardening sample; no publication, ranking, or revenue result is represented.

Try the browser planning demo · 中文体验 · Source and quick start · Download v0.2.0 local ZIP · Report a planning or export issue


Choose by the problem

What is getting in your way? Tool What it helps you do Current status
A browser agent times out, loses its place, or submits twice, and you can't tell what happened Browser Agent Blueprint Reuse prompt modules and run a real local browser against a synthetic page to inspect checkpoints, risk gates, and resume boundaries MIT; project demo guide, and local recovery runner; model integrations not tested
You want to check dimensions, volume, and bag counts before buying landscape materials CoverCalc Pro toolkit Check rectangular or circular volumes, formulas, pack sizes, and shopping quantities MIT; live open-source checker / offline HTML v0.1.1 / full calculator
One useful idea needs four platform images, but reusing one crop loses the point Social Post Image Maker / 出海社媒配图助手 Compose Pinterest, Instagram, Lemon8, and Facebook images from the same verified insight; pick a visual style and export four native PNGs in one ZIP MIT; English studio / 中文体验; local image composition, no automatic posting
You need source-linked Xiaohongshu examples for your own content research Xiaohongshu NoteSignal Review visible notes in a bilingual Chrome extension; optional bounded visible-browser collection saves a small sample for later checking MIT; v0.1.1 ZIP / release notes; live signed-in capture not yet accepted
You have keywords but need a creator identity and a repeatable overseas article pipeline Global Longform SEO Studio Define your IP, build distinct evidence-led plans for X Articles, Quora, Medium, LinkedIn or Substack, then draft and export in English or Chinese MIT; browser planning demo / 中文体验 / v0.2.0 local ZIP; AI drafting runs in the local app
You want to follow a video tool from source research through narration, scenes and approved audio Video Studio · 视频制作 Follow the local production workflow and inspect what changed in each build Internal macOS 0.3.1 build26; 26-build history; general installer and complete voiced-episode acceptance pending
You understand every word of a long message, but still don't know what you're being asked to do Say It Plainly Identify actions and questions, then draft a reply that reflects what you actually mean macOS v0.9.0; download available; Chinese interface
A client's “small change” keeps growing, and nobody can say how much extra work it adds Scope Check Compare a new request with the agreed scope; spot additions, changes, and unanswered questions macOS v0.1.0; private testing; Chinese interface
Ideas and tasks disappear while you switch between apps Desktop Flow Catch them on your desktop, save as Markdown, and connect to Obsidian or Codex when useful macOS v1.0.0; Windows v1.0.3
You spend hours in Codex and want a workspace that feels more like yours Codex Skin Workshop Search, preview, install, switch, and restore skins macOS; free access; original app by @luhaozwork, my enhancements and skins
Every new content topic sends you back through the same research and sorting steps Xiaoran Topic Assistant Put repeated research steps into a workflow, leaving the judgment to you Released; see the access page
Inquiries sit in a spreadsheet, with no clear priority or next step Lydia Foreign Trade System Import CSV or JSON; review grades, missing evidence, and next actions before confirming follow-up MIT; local setup with Node.js 20+

New here? Open the getting-started page. Pick the problem you recognize and try one tool.

Xiaohongshu NoteSignal · Turn visible notes into source-linked observations

Capture a note you can see, correct the extracted fields, add your own judgment, and compare saved examples. The optional visible-browser runner collects a small bounded sample into JSON for review; it stops at verification or account warnings.

Xiaohongshu NoteSignal's actual bilingual Chrome extension popup in its empty state, showing manual note capture and visible-result review

Actual popup interface with an empty local library. Live signed-in Xiaohongshu capture is not yet accepted; this screenshot does not show collected content.

Source and setup · Download early-preview ZIP · Release notes and checksum · Report a capture or setup issue


Video Studio · See the production workflow improve, one build at a time

视频制作 / Video Studio brings source research, original narration, scene planning, approved audio and a shared material library into one local macOS tool. The public journal explains the change, its verification and the remaining work for every numbered build.

The current local version is 0.3.1 build26. Remotion now renders the vertical information-card route, with a reviewed 16-second silent visual sample. The Hypit handoff and two experimental vertical diagram styles remain available. A complete source-backed, voiced episode and a general installer for other computers still need acceptance.

All 26 build updates · Current build26 · Each version's release record

Two more tools I keep improving

Say It Plainly · Understand the message, then reply in your own words

“Find a lever for user value and close the loop quickly.” You know the words. The hard part is figuring out what to do first, how far to take it, and how to reply without pretending the request was clear.

Say It Plainly breaks a message into actions and the questions worth checking, then drafts a reply around what you actually mean. It checks for added promises about timing, scope, responsibility, or guarantees. The draft goes back into your chat input; you review it before sending.

One message, two decisions. First identify the actions and the missing meeting time. Then write a reply from the user's stated intent and check its timing, scope, and responsibility.

Actual Say It Plainly output: three action items and a question about the meeting time Actual Say It Plainly reply preserves the user's tomorrow-morning delivery intention and asks for the meeting time; intent check is shown

v0.9.0, Chinese interface. Real generated results from a fictional work message; the reply remained unsent.

Product and v0.9.0 downloads · English overview

Scope Check · Make the extra work clear before doing it

To a client, it may be “just add a mobile version.” For the person doing the work, it can change the pages, APIs, tests, and delivery date together.

Scope Check keeps the agreement currently confirmed for each project. Paste a new client message and it highlights additions, changes to the agreement, and details that need clarification before work starts. It also drafts a calm confirmation reply that doesn't commit you in advance.

Scope Check identifies mobile adaptation and data export as additions to the saved agreement, asks about the unchanged deadline, and drafts a confirmation reply

v0.1.0, Chinese interface. Fictional scope-change example; the saved agreement is the comparison baseline.

Features and testing status


Open-source projects · See the code and try it yourself

Lydia Foreign Trade System · Sort the inquiries before deciding who to follow up with

Start with an inquiry sheet you already have. Check the columns before importing, then review A / B / C / D / HOLD grades, missing evidence, and next actions. When evidence is missing, look up public company information as needed. Keep customer groups separate and export important batches as complete backups.

The interface and screenshots use fictional examples, not actual customers or sales results. It runs locally by default and does not send bulk messages. Local data is not encrypted; the project explains its use boundaries.

Lydia Foreign Trade System: example companies graded B, C, D, and HOLD, with missing evidence and next actions

Chinese interface, fictional demo inquiries.

Project and real screenshots · English getting started · Report an issue


More tools and ideas

Desktop Flow · Catch the thought before switching apps

Keep a fleeting task or idea on your desktop, then move it into Obsidian, Codex, or a review workflow when useful.

Desktop Flow evidence: the captured demo task appears in the application and the same task is read back from the created Markdown file

macOS v1.0.0. Actual app capture and Markdown readback; an explanatory layout. Optional Codex review was not run for this capture.

Codex Skin Workshop · Make the daily workspace yours

Make a daily workspace more comfortable, with a way to restore the original appearance. @luhaozwork developed the original app; I contribute feature enhancements and a collection of several hundred skins.

Actual Skin Workshop manager: searchable preview library, import controls, and apply-and-verify buttons

The manager shows 151 skins in this installed build, searchable previews, and an apply-and-verify control. Original application by @luhaozwork; my contributions are the enhancements and skin collection.

Xiaoran Topic Assistant · Turn a brief into topics you can develop

Put repeated research and topic-sorting steps into a workflow, leaving the judgment to you.

Translated excerpt from Xiaoran's recorded sample: a topic proposal connects the audience's problem to a useful deliverable and an opening line

One translated excerpt from a recorded WorkBuddy sample, highlighting the output fields rather than a decorative cover.

Preview sources and capture notes

  • WorkBuddy Digital Employee Workbench: turn repeated research, topic selection, formatting, and checking into workflows you can run.
  • Echo: make room for conversations about life stages, choices, and relationships that you can return to later.
  • AI Cost Copilot: see where API costs go before choosing models and assembling workflows.

Projects without a public download are labeled in development or in testing. A local build is a different state from a public release.

I also work with the BFTOOLS team on product direction, user experience, and public product pages, with a current focus on promoting the content-operations tool. BFTiles was originally developed by @dingzd1995.

What matters to me

  • Start with a real task. Make one specific thing work well before adding more features.
  • Keep data local when practical. Projects, agreements, and records that can stay on your computer aren't uploaded by default.
  • Keep key decisions yours. Replies are reviewed before sending; project scope changes after your confirmation.
  • Be honest about status. Tests, device verification, signing, notarization, and public release are reported separately.

Downloads & early access

Basic tools will continue to be shared for free. Custom features, deployment help, data migration, and ongoing maintenance can be discussed separately. Some linked interfaces and distribution pages currently use Chinese.

Find me online

Facebook · Mercedes Costa · Quora · MercedesCosta · TikTok · @covercalcpro · X · @LRosamarina (MA HIBBERD)

Recent updates

  • 2026-10-09: expanded the LydiaTools banner from six to nine real projects, split the wordmark into a stronger two-line masthead, and rebuilt the mobile layout. Browser Agent Blueprint, CoverCalc Pro, and Social Post Image Maker lead the grid; the Skin Workshop contribution stays credited to its original app creator.

  • 2026-10-09: added Video Studio · 视频制作, with a public, verified build1–26 iteration journal and the current internal macOS build26 status.

  • 2026-10-08: added Social Post Image Maker / 出海社媒配图助手, a bilingual visual post studio with four platform layouts, four styles, and a four-image ZIP export.

  • 2026-10-08: released Xiaohongshu NoteSignal as an early preview and Global Longform SEO Studio as a local bilingual creator-IP writing tool, with source, screenshots, tests and downloadable ZIPs.

  • 2026-10-07: published the CoverCalc Pro landscape kit's first offline HTML download and live open-source checker, with source and a reproducible calculation example; opened the Blueprint synthetic fixture online while keeping the full recovery runner local.

  • 2026-10-06: added Browser Agent Blueprint: original browser-agent prompt modules, a local resume demo, and integration contracts clearly labeled as not live-tested.

  • 2026-09-28: added project links, setup guides, and demos for Lydia Foreign Trade System and the CoverCalc Pro toolkit; linked the English overview for Say It Plainly while keeping existing products, covers, and downloads.

  • 2026-09-08: Scope Check reached its v0.1.0 testing candidate, identifying added work, changed agreements, and questions needing confirmation.

  • 2026-09-07: Say It Plainly v0.9.0 became available through GitHub Releases.

  • 2026-09-04: Desktop Flow updated to Windows v1.0.3, with its core workflow verified on Windows 10 and 11; Mac uses the v1.0.0 DMG.

  • 2026-09-04: reorganized the Afdian page around Desktop Flow, Codex Skin Workshop, and the combined product entry.


A good tool helps you guess less, redo less, and save your energy for the decisions that need you.

Pinned Loading

  1. browser-agent-blueprint browser-agent-blueprint Public

    12 original browser-agent prompt modules, 4 workflow templates, and 6 reproducible local recovery demos. MIT; no leaked prompts.

    JavaScript 1

  2. covercalcpro-landscape-quantity-kit covercalcpro-landscape-quantity-kit Public

    Free offline landscape volume and mulch bag calculator. Check material quantities in a one-file browser tool; inspect the open formulas and source data.

    HTML

  3. aspectory aspectory Public

    Social Post Image Maker / 出海社媒配图助手 — compose Pinterest, Instagram, Lemon8 and Facebook images in English or Chinese; free and local-first.

    JavaScript

  4. longform-atlas longform-atlas Public

    Global Longform SEO Studio: define a creator IP, plan evidence-led articles for X, Quora, Medium, LinkedIn & Substack; bilingual local drafting.

    Python

  5. lydia-foreign-trade-system lydia-foreign-trade-system Public

    本地优先的外贸询盘工作台:整理证据、客户分级和跟进建议;an evidence-led export inquiry qualification workbench.

    JavaScript

  6. notesignal notesignal Public

    Xiaohongshu NoteSignal · 小红书笔记风向标: bilingual, source-linked note research in a local Chrome extension.

    JavaScript