CLAUDE.md examples from real projects

coleam00CLAUDE.md

context-engineering-intro

coleam00/context-engineering-intro/CLAUDE.md

PLANNING.md`. - **Use venv_linux** (the virtual environment) whenever executing Python commands, including for unit tests. ### 🧱 Code Structure & Modularity - **Never create a file longer than 500 lines of code

StarTrail-orgPipes a download into a shellCLAUDE.md

LEANN

StarTrail-org/LEANN/CLAUDE.md

README) uv sync --extra diskann # Install lint tools uv sync --group lint # Install test tools uv sync --group test ``` ## Code Quality ```bash # Format code ruff format # Lint with auto

Model Context ProtocolCLAUDE.md

typescript-sdk

modelcontextprotocol/typescript-sdk/CLAUDE.md

words are true** — Changesets, docs and comments say what the code does. 7. **Test what users see** — Prefer tests that cover the end-to-end usage a user would actually

No other project uses it yet

Model Context ProtocolCLAUDE.md

typescript-sdk / e2e

modelcontextprotocol/typescript-sdk/test/e2e/CLAUDE.md

test suite Conformance-style tests for the SDK's public surface. `requirements.ts` is a pure-data manifest: every behavior the SDK must satisfy, with its spec/source link. Test files

No other project uses it yet

cheatCLAUDE.md

cheat

cheat/cheat/CLAUDE.md

binaries for all platforms make build-release # Install cheat to your PATH make install ``` ### Testing and Quality Checks ```bash # Run all tests make test go test ./... # Run a single test

ccfosCLAUDE.md

nightingale

ccfos/nightingale/CLAUDE.md

plain go build works without fe.sh) go build ./... # ~1 min cold; verifies everything incl. tests compile make build # ./n9e (cmd/center, embeds version via ldflags) make build-edge | build-alert | build

plantumlCLAUDE.md

plantuml

plantuml/plantuml/CLAUDE.md

various diagram types including sequence, class, activity, component, state diagrams, and more. ## Build and Test Commands ```bash # Build the project gradle build # Run tests gradle test ``` If Gradle cannot download

rybbit-ioCLAUDE.md

rybbit

rybbit-io/rybbit/CLAUDE.md

separate. Run `pnpm install` at the root. Root `pnpm dev`, `pnpm build`, `pnpm test`, and `pnpm typecheck` build shared code before running the apps. - Client: `pnpm dev:client` (NextJS with

Portkey-AICLAUDE.md

gateway

Portkey-AI/gateway/CLAUDE.md

build` - Build the project for production - `npm run build-plugins` - Build the plugin system ### Testing - `npm run test:gateway` - Run tests for the main gateway code (src/) - `npm run test

No other project uses it yet

blackboardshCLAUDE.md

electrobun

blackboardsh/electrobun/CLAUDE.md

kitchen folder and build/run the app ## Project Structure - `/package` - Main Electrobun package source - `/kitchen` - Test application (Kitchen Sink) - `/npm/electrobun` - Single dependency-free npm bootstrap; it reads the same-version GitHub

No other project uses it yet

glzr-ioCLAUDE.md

glazewm

glzr-io/glazewm/CLAUDE.md

right.")> /// /// (optional) # Example usage /// /// /// /// (optional) # Platform-specific /// /// pub fn my_function() { ... } ``` - Use `#[cfg(test)]` for test modules. - Write unit tests for core functionality

No other project uses it yet

LangChainCLAUDE.md

open_deep_research / legacy

langchain-ai/open_deep_research/src/legacy/CLAUDE.md

oversight - Business intelligence and market research ## Quality Evaluation This guide explains how to quickly test and evaluate the quality of reports generated by Open Deep Research using the pytest evaluation

nearaiCLAUDE.md

ironclaw

nearai/ironclaw/CLAUDE.md

reborn-feature` for cross-layer product work, `reborn-extension-surfaces` for integrations, `ironclaw-reborn-testing` for test tiers, and `ironclaw-reborn-architecture-review` for boundary changes. - Path-scoped rules

redpanda-dataCLAUDE.md

redpanda

redpanda-data/redpanda/CLAUDE.md

core, with Go for CLI tooling (`rpk`), and some Python for auxiliary scripts and tests. Redpanda is designed to be lightweight, fast, and simple to operate, omitting ZooKeeper

jiji262CLAUDE.md

douyin-downloader

jiji262/douyin-downloader/CLAUDE.md

fixing shared logic in `auth/`, `cli/`, `config/`, `control/`, `core/`, `storage/`, `tools/`, `utils/`, or shared tests, apply the equivalent fix in both projects unless the difference is explicitly desktop-only

mapboxCLAUDE.md

mapbox-gl-js

mapbox/mapbox-gl-js/CLAUDE.md

codegen` if you modify style properties or the style specification - Run `npm run test-typings` after modifying public API types or the style specification - Prefer running single tests, and avoid

mrexodiaCLAUDE.md

ida-pro-mcp

mrexodia/ida-pro-mcp/CLAUDE.md

signature creation, scanning, xref signatures (uses sigmaker.py) - `api_debug.py`: debugger control, unsafe / low priority for tests - `api_python.py`: execute Python in IDA context - `api_resources.py`: `ida://` MCP resources ## Core implementation rules ### IDA thread

MemTensorCLAUDE.md

MemOS

MemTensor/MemOS/CLAUDE.md

integration-tester` | Read-write | Author and run integration / end-to-end cases under `tests/` | The main repo has no frontend stack, so no `frontend-dev` is provided; TypeScript sub-projects

markmeadCLAUDE.md

hyperui

markmead/hyperui/CLAUDE.md

repository. ## Tech Stack Tailwind CSS v4, Astro 6, Cloudflare Pages (via Wrangler), Playwright (E2E tests). No package to install for end users — this repo is the documentation site

ankidroidCLAUDE.md

Anki-Android

ankidroid/Anki-Android/CLAUDE.md

settings 'while you're in there'. ## Verification - For bug fixes, write the failing regression test FIRST and confirm it fails before applying

No other project uses it yet