CLAUDE.md examples from real projects

nicklockwoodCLAUDE.md

SwiftFormat

nicklockwood/SwiftFormat/CLAUDE.md

consistent style conventions. ## Project Structure - `Sources/Rules/` - Individual formatting rules (one file per rule) - `Tests/Rules/` - Test cases for rules - `Sources/Formatter.swift` - Core formatter class with token manipulation APIs - `Sources/ParsingHelpers.swift` - Parsing helpers

No other project uses it yet

fissionCLAUDE.md

fission

fission/fission/CLAUDE.md

that the executor manages; the user-facing CLI is `fission`. ## Common commands Build / lint / test (run from repo root): - `make build-fission-cli` — build the `fission` CLI via goreleaser (snapshot

mattpocockCLAUDE.md

sandcastle

mattpocock/sandcastle/CLAUDE.md

typecheck` for type checking. Before you finish a change, run `npm test`, then the `verify` skill on the agent × sandbox combination it touches. `tsc` is TypeScript 7 (the `@typescript/native` alias

PydanticCLAUDE.md

monty

pydantic/monty/CLAUDE.md

execution clock, which is Linux-only so that it needs no `unsafe`. - Tests in `crates/*/tests/` should be cross-platform; use helper functions for OS-specific APIs like symlink creation

No other project uses it yet

PydanticCLAUDE.md

monty / modules

pydantic/monty/crates/monty/src/modules/CLAUDE.md

Verify every message against CPython with the `/python-playground` skill before pinning it in a test. ## Always use `#[derive(FromArgs)]` for function parameters Any function beyond the trivial 0/1/2-positional shapes (covered

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redpanda-dataCLAUDE.md

connect

redpanda-data/connect/CLAUDE.md

Agents | Task | Skill / Agent | |---|---| | Writing or modifying Go code | `godev` agent | | Writing or modifying tests | `tester` agent | | Code review | `/review` skill | ## Plugin: Redpanda Connect YAML configuration, Bloblang authoring, and component

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radix-uiCLAUDE.md

themes

radix-ui/themes/CLAUDE.md

playground for development │ ├── app/ │ │ ├── (themeable)/sink/ # Main component showcase (http://localhost:3000/sink) │ │ ├── (themeable)/test/ # Test pages for specific scenarios │ │ └── (themeable)/demo/ # Demo pages │ ├── tests/ # Playwright visual regression tests │ └── playwright.config.ts ├── .github

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jonobr1CLAUDE.md

two.js

jonobr1/two.js/CLAUDE.md

nested objects, vertices, and effects - Important for preventing memory leaks in long-running applications ## Testing ### Test Structure - Tests located in `tests/` directory - Test suites in `tests/suite/` organized by functionality - HTML

openshiftCLAUDE.md

origin

openshift/origin/CLAUDE.md

them as unmanaged duplicates. ### Retry allowlist policy **`pkg/test/ginkgo/retry_allowed_tests.yaml`** is strictly shrink-only. Never add tests to it. Remove an entry only when its underlying flake is fixed. If a requested

WenyuChiouCLAUDE.md

awesome-agentic-ai-zh

WenyuChiou/awesome-agentic-ai-zh/CLAUDE.md

OpenAI-compatible default (Path A) - `starter_anthropic.py` = Anthropic SDK version (Path B) - `test.py` = mock-based tests for the Ollama starter (OpenAI-compat response shape) - `test_anthropic.py` = mock-based tests for the Anthropic

No other project uses it yet

mattpocockCLAUDE.md

ts-reset

mattpocock/ts-reset/CLAUDE.md

always run `pnpm typecheck`. This runs against the entire repo, which is good for testing regressions

digoalCLAUDE.md

blog

digoal/blog/CLAUDE.md

YOUR changes made unused. - Don't remove pre-existing dead code unless asked. The test: Every changed line should trace directly to the user's request. ## 4. Goal-Driven Execution

bytedanceCLAUDE.md

flowgram.ai

bytedance/flowgram.ai/CLAUDE.md

lint issues rush lint:fix # TypeScript type checking rush ts-check # Run unit tests rush test # Run tests with coverage rush test:cov # Build packages in watch mode (for development

reactiveuiCLAUDE.md

ReactiveUI

reactiveui/ReactiveUI/CLAUDE.md

root** - **Primary working directory for build/test:** `./src` - **Main solution:** `src/reactiveui.slnx` - **Benchmarks solution:** `Benchmarks/ReactiveUI.Benchmarks.sln` - **Integration tests:** `integrationtests/` (platform-specific solutions; not required for most tasks) ### Full Clone Required **CRITICAL

No other project uses it yet

meshtasticCLAUDE.md

firmware

meshtastic/firmware/CLAUDE.md

Claude Code instructions > **TL;DR** > > | | | > | -------------- | ------------------------------------------------------------------------------------------------------------------------- | > | Local tests | `./bin/run-tests.sh` (exit 0 GREEN · 1 RED · 2 AMBER · 3 FILTERED · 4 BUSY · 5 ABORTED · 6 UNSUPPORTED); `--status` first | > | Hardware tests | [meshtastic/meshtastic-mcp](https://github.com

bitsandbytes-foundationCLAUDE.md

bitsandbytes

bitsandbytes-foundation/bitsandbytes/CLAUDE.md

check` and `ruff format` — those are just 2 of 10 hooks. Full details: `agents/linting_guide.md` # Testing: only run relevant tests Do NOT run the full test suite — it takes 10+ minutes

No other project uses it yet

roadrunner-serverCLAUDE.md

roadrunner

roadrunner-server/roadrunner/.claude/CLAUDE.md

go.mod`, `tests/go.mod`, and `go.work`. The workspace contains two modules: the root module and `tests/`. Root `go test ./...` does not include the E2E module. - `container.Plugins()` in `container/plugins.go` defines the default plugin

No other project uses it yet

garmeehCLAUDE.md

next-seo

garmeeh/next-seo/CLAUDE.md

ESLint issues pnpm format # Format with Prettier pnpm typecheck # Type checking with TypeScript ``` ### Testing ```bash pnpm test # Run typecheck + lint only pnpm test:unit # Run unit tests with Vitest pnpm

NomicFoundationCLAUDE.md

hardhat

NomicFoundation/hardhat/CLAUDE.md

Commands Install - pnpm install Build - pnpm build Test - pnpm test For single-file work, run these from the repo root. They build upstream deps and run the tool

AnthropicCLAUDE.md

claude-agent-sdk-python

anthropics/claude-agent-sdk-python/CLAUDE.md

Lint and style # Check for issues and fix automatically python -m ruff check src/ tests/ scripts/ --fix python -m ruff format src/ tests/ scripts/ # Typecheck python -m mypy src/ scripts

No other project uses it yet