Development · Unit testing

Enforces red-green-refactor for Rust work, with idiomatic test patterns, a naming convention and a pre-commit gate of cargo fmt, clippy and test.

rtk-ai/rtk

Walks through deprecating an R function or argument in a package: lifecycle warning, silenced tests, a new snapshot test, documentation badge and NEWS entry.

tidyverse/dplyr

Run Kedro's local lint / format / type-check / tests on changed files (uses the project's pre-commit hooks, ruff, mypy, pytest, lint-imports, detect-secrets, Make targets — in the right venv), or…

kedro-org/kedro

Enforces red-green-refactor for new RTK output filters in Rust, using real captured fixtures, snapshot tests with insta and token-savings assertions.

rtk-ai/rtk

Implements missing CPython C-API functions in RustPython's crates/capi, mapping each header to its module with the pyo3-ffi header split.

RustPython/RustPython

Reviews newly written or edited tests against nine rules that cut test bloat, such as mock-heavy checks and near-duplicate cases, before they are committed.

amElnagdy/guard-skills

对 Yakit 仓库的代码改动做规范化 code review：按代码逻辑、TS 定义、UI 引用与 Props、CSS 样式、依赖版本、配置项六个维度审查，检查测试用例缺失，强制执行 tsc 类型检查与 vitest 测试验证，输出「结果汇总 / 明细解释 / 合并结论」三块报告，经用户确认后写入文件。当用户要求 review、审查、评审代码改动，或在提交、合并、提 PR…

yaklang/yakit

Local development guide for the Happy pnpm monorepo: install, build, test and run the CLI, server, Expo app and Tauri desktop packages.

slopus/happy

Steps for adding or maintaining a WeChat official API in the WxJava SDK, following its Maven multi-module layout, Java 8 compatibility and TestNG test conventions.

binarywang/WxJava

Creates Python projects with proper structure, virtual environments, and dependency management.

haddock-development/claude-reflect-system

Workflow for WooCommerce development: run PHP and JavaScript tests, lint and fix code style on the current branch, and follow guides for i18n and markdown.

woocommerce/woocommerce

Adds or changes a DNS provider in the DDNS project while keeping its code, schemas, tests and Chinese and English docs consistent.

NewFuture/DDNS

Iterative code refinement through plan → code → evaluate → refine cycles.

EvoScientist/EvoSkills

Sets up a local ADK Python development environment in a git clone of the open-source adk-python repository: a uv virtual environment, all dependency extras, pre-commit hooks, and a first unit-test…

google/adk-python

Scaffold a new workspace package in the c15t monorepo. An agent skill from c15t/c15t.

c15t/c15t

A skill your agent uses to validate risky dependency bumps end to end as a local or cloud-launched agent.

blokadaorg/blokada

Run fast static checks that don't require generating downstreams, including git submodule verification, gofmt formatting, YAML linting, template validation (version-guard and unused-tmpl), mmv1 core…

GoogleCloudPlatform/magic-modules

Program robots with GaP (graph-as-policy) — compile natural-language tasks into typed, verified robot skill graphs and run them on simulators or real robots.

graph-robots/graph-as-policy

Start, selectively modernize, fully migrate, or update Python projects using simple-modern-uv practices: uv, ruff, BasedPyright, pytest, GitHub Actions CI, and tag-driven PyPI publishing.

jlevy/simple-modern-uv

Guidance for Groovy 5 work in Grails projects: syntax, closures, traits, DSLs, metaprogramming, Spock tests, static compilation and Java 21 integration.

apache/grails-core

Drives a multi-turn conversation with a LiveKit agent running locally to see what it does.

livekit-examples/agent-starter-python

Write idiomatic Effect v4 TypeScript following official best practices from effect-solutions and the Effect source.

mattiacerutti/supernova

Write idiomatic Effect v4 TypeScript verified against the pinned effect@4.0.0-rc.112 source.

tellahq/opensession

Implements ESLint-style lint rules with proper AST handling, targeted reporting, and comprehensive unit tests.

flint-fyi/flint

Tests JavaScript embedded in an HTML file in two layers: pytest checks of the logic ported to Python, and Playwright runs in a real browser for the DOM.

liaohch3/claude-tap

Convert a stakeholder summary markdown file into a single self-contained HTML executive report — bottom line and decision asks up front, supporting detail later — styled with a Test Double-derived…

testdouble/han

Scaffold a new shared package in the saleor-apps monorepo under ./packages/.

saleor/apps

Guides agents writing or changing WooCommerce backend PHP so new classes, hooks and unit tests follow the project's conventions.

woocommerce/woocommerce

Audit a verified source against the current state of its upstream API/SDK, find breakages and outdated patterns, and propose (or implement) a fix plan with credential-free unit tests.

dlt-hub/verified-sources

Sets idiomatic Go conventions with a test-first workflow, using testify/require for assertions and mockery for mocks, for new features, packages and refactors.

jumppad-labs/jumppad

Anthony Fu's {Opinionated} preferences and best practices for web development

oyjt/uniapp-vue3-template

Guides writing or refactoring tests for the Mistral Vibe CLI agent so they check behavior through stable boundaries, like tool invocation or saved session shape, instead of internal calls.

mistralai/mistral-vibe

A skill your agent uses when changing service structure, Subscribers, ServiceProviders, Container wiring, bootstrapping, Context classes, or any code that may affect the core caching engine in WP…

wp-media/wp-rocket

Scaffolds and reviews `Git::Commands::*` classes in the ruby-git library, with unit tests, integration tests and YARD docs, using the Base command architecture.

ruby-git/ruby-git

Read before writing or reviewing any Python code in this repository.

lightly-ai/lightly-studio

Reviews pull requests in this repository for the defect classes a mechanical checklist misses: documentation that outlived the code it describes, reaction and retry state that leaks or clobbers a…

sortie-ai/sortie

Drives test-first development through the RED, GREEN, REFACTOR cycle, with a config switch that selects between TDD and a DDD workflow for existing code.

modu-ai/moai-adk

Python style and codebase conventions for ADK (Agent Development Kit): private-by-default file visibility, imports, type hints, Pydantic v2 models, formatting, docstrings, logging, async I/O, file…

google/adk-python

A skill your agent uses when bumping any dependency, upgrading the HA test harness (pytest-homeassistant-custom-component) or HA floor, or handling Dependabot PRs/security alerts — per-package pin…

cognitivegears/ha-escpos-thermal-printer

Generates Python LeetCode practice environments and manages a 307-problem catalog with the lcpy CLI.

wislertt/leetcode-py

Write readable, maintainable code through disciplined naming, small functions, and clean error handling.

jd-solanki/slidev-theme-dracula

Adds a runtime test anchor for backend async code that could block the asyncio event loop, and proves the anchor fails when the blocking call returns.

bytedance/deer-flow

Modern Python coaching covering language foundations through advanced production patterns.

SpillwaveSolutions/agent-brain

Fixes a bug from a GitHub issue by reproducing it first with a test-engineer subagent, then fixing, verifying, adding regression tests and reviewing the diff.

QwenLM/qwen-code

Create or update a Kendo UI component across kendo-themes packages.

telerik/kendo-themes

Guides safe code changes by finding the right file with grep or semantic search, reading before editing, reproducing bugs first, and proving a fix with a real test run.

amd/gaia

Comprehensive ABAP development skill for SAP systems. An agent skill from secondsky/sap-skills.

secondsky/sap-skills

Quick reference for using Bun to run TypeScript and JavaScript, install packages, bundle code, run tests and serve HTTP, with the key files and commands.

mweinbach/agent-coworker