CLAUDE.md examples from real projects

CannerCLAUDE.md

WrenAI

Canner/WrenAI/.claude/CLAUDE.md

Development Commands ### core/wren-core (Rust) ```bash cd core/wren-core cargo check --all-targets # compile check cargo test --lib --tests --bins # tests (set RUST_MIN_STACK=8388608) cargo fmt --all # format cargo clippy

No other project uses it yet

Foundry376CLAUDE.md

Mailspring

Foundry376/Mailspring/CLAUDE.md

lint npm run lint:check # TypeScript type checking npm run typecheck # Run all tests, or only spec files whose path matches a regex npm test npm test -- --spec-file-pattern

No other project uses it yet

ben-manesCLAUDE.md

caffeine

ben-manes/caffeine/.claude/CLAUDE.md

Caffeine High-performance, near-optimal caching library for Java 11+. ## Build & Test ```bash ./gradlew :caffeine:build # Full build ./gradlew :caffeine:test --tests 'ClassName' # Single test class ./gradlew :caffeine:test --tests

rqliteCLAUDE.md

rqlite

rqlite/rqlite/CLAUDE.md

Claude Code (claude.ai/code) when working with code in this repository. ## Build and Test Commands ```bash # Build all binaries go install ./... # Run all tests go test ./... # Run tests with race

No other project uses it yet

rendercvCLAUDE.md

rendercv

rendercv/rendercv/CLAUDE.md

Typst syntax via the `markdown` library (`renderer/templater/markdown_parser.py`). ## Commands ```bash just sync # Install dependencies just test # Run tests (parallel via pytest-xdist) just check # Lint (ruff) + type-check (ty) + pre-commit

No other project uses it yet

nodemailerCLAUDE.md

nodemailer

nodemailer/nodemailer/CLAUDE.md

what gets published to npm (`src/` is not part of the package). - `test/` — mirrors `src/` structure, TypeScript, run with `node --import tsx --test`. Most suites spin up real `smtp-server

No other project uses it yet

apacheCLAUDE.md

brpc

apache/brpc/CLAUDE.md

library (produces libbrpc.a and libbrpc.so/dylib) make -j$(nproc) # Build debug version (with UNIT_TEST flag, no NDEBUG) make debug ``` Config options: `--with-glog`, `--with-thrift`, `--with-rdma`, `--with-asan

No other project uses it yet

TencentReads credentialsCLAUDE.md

vConsole

Tencent/vConsole/CLAUDE.md

accepted by user, use plan mode. 2. After implementation, update related `dev/*.html` test cases and `doc/*.md` documentation if necessary. 3. Update both `CHANGELOG.md` (English) and `CHANGELOG_CN.md` (Chinese) under

No other project uses it yet

questdbCLAUDE.md

questdb

questdb/questdb/CLAUDE.md

position should point at the specific offending character, not the start of the expression. ## Testing Write the tests while developing the change; do not leave test cases for review

joewalnesCLAUDE.md

websocketd

joewalnes/websocketd/CLAUDE.md

that reads STDIN and writes STDOUT becomes a WebSocket server. ## Build ```bash go build ``` ## Test ```bash go test ./... ``` Unit tests are in `libwebsocketd/`. Integration tests are in `qa/integration/`. `.github/workflows/test.yml

No other project uses it yet

storytoldCLAUDE.md

filmcraft

storytold/filmcraft/CLAUDE.md

this outranks feature work. No `unwrap`/`expect`/`panic!`/`unreachable!`/`todo!`/`unimplemented!` or `unsafe` outside tests: return `Result<T, E>` and propagate with `?` (`ok_or`, `let … else`, `if let`). Treat every

rust-langCLAUDE.md

rust-analyzer

rust-lang/rust-analyzer/CLAUDE.md

required by the policy. ## Repository Guides - Architecture and crate ownership: `docs/book/src/contributing/architecture.md` - Rust style: `docs/book/src/contributing/style.md` - Testing conventions and fixture syntax: `docs/book/src/contributing/testing.md` - Contributor workflows: `docs/book/src/contributing/README.md` - AI restrictions: `AI_POLICY.md` Read the relevant sections

No other project uses it yet

ag-ui-protocolCLAUDE.md

ag-ui

ag-ui-protocol/ag-ui/CLAUDE.md

mode pnpm dev # Run linting pnpm lint # Run type checking pnpm check-types # Run tests pnpm test # Format code pnpm format # Clean build artifacts pnpm clean # Full clean build pnpm

No other project uses it yet

weaviateCLAUDE.md

weaviate

weaviate/weaviate/CLAUDE.md

ways: 1. **Reproduce and fix it**, with a regression test that fails without the fix and passes with it. 2. **Reproduce it, commit a failing (red) test that pins

No other project uses it yet

storytoldCLAUDE.md

wordcraft

storytold/wordcraft/CLAUDE.md

crash before building on top of it. - **No panics in non-test code:** no `unwrap()`, `expect()`, `panic!`, `unreachable!`, `todo!`, `unimplemented!`; no `unsafe` (`unsafe_code = "forbid"`). - **Errors are `Result

diegomuraCLAUDE.md

react-pdf

diegomura/react-pdf/CLAUDE.md

packages (lerna run build) yarn watch # Watch mode - rebuilds on changes (for development) yarn test # Run all tests (vitest) yarn test packages/layout # Run tests for a specific package yarn lint

No other project uses it yet

Olow304CLAUDE.md

memvid

Olow304/memvid/CLAUDE.md

HNSW) │ ├────────────────────────────┤ │ Time Index │ ├────────────────────────────┤ │ TOC (Footer) │ └────────────────────────────┘ ``` ## Development Commands ```bash # Build cargo build cargo build --release # Test cargo test cargo test --test lifecycle cargo test -- --nocapture # Lint cargo clippy cargo

dagster-ioCLAUDE.md

dagster

dagster-io/dagster/CLAUDE.md

Type checking (slow first run) just quick-ty # Type check only changed files # Testing pytest path/to/tests/ # Run specific tests pytest python_modules/dagster/dagster_tests/ # Run core tests tox -e py39-pytest # Test

No other project uses it yet

dagster-ioCLAUDE.md

dagster / js_modules

dagster-io/dagster/js_modules/claude.md

using the `.oss.tsx` files. In cloud we build the app using `.cloud.tsx` files. # Testing Dagster UI The packages contained within are part of a yarn workspace. Check the respective package.json

No other project uses it yet

iamgioCLAUDE.md

quarkdown

iamgio/quarkdown/CLAUDE.md

keep it consistent with the style used in the project. Aim for a test-driven development (TDD) approach when possible. Tests play an important role. See [Testing](#testing) below. When

No other project uses it yet