For developers

Verifies the technical accuracy of JavaScript concept pages by checking code examples, MDN and ECMAScript claims and external links through a five-phase method.

leonardomso/33-js-concepts

Reference of Claude API examples and guides covering tool use, vision, RAG, classification, summarization, text-to-SQL, prompt caching and agent patterns.

2025Emma/vibe-coding-cn

How to land a formal cherry-pick of a merged PR for the flutter/flutter repo stable or beta channel.

flutter/flutter

A skill your agent uses when executing implementation plans with independent tasks in the current session

Asvarox/allkaraoke

Open, create, read, analyze, edit, or validate Excel/spreadsheet files (.xlsx, .xlsm, .csv, .tsv).

poco-ai/poco-claw

Adds tree-sitter support for a new language to the codegraph project, then tests it and benchmarks extraction quality and retrieval value on real repositories.

colbymchenry/codegraph

Reviews backend code under api/ for concrete, reproducible defects, routes to rule packs for architecture, schema, repositories and SQLAlchemy, and ranks findings from P0 to P3.

langgenius/dify

For a non-trivial pull request, write a self-contained HTML design doc under the temporary .pr/ directory and link a visibility-appropriate preview in the PR description, so maintainers grasp the…

OpenHands/OpenHands

Reviews WooCommerce code changes against the project's standards, flagging backend PHP architecture, naming, documentation, data integrity and testing violations.

woocommerce/woocommerce

Jest patterns for React Native style tests: TDD discipline, mock factory functions, module and GraphQL hook mocking, custom render helpers and anti-patterns to avoid.

ChrisWiles/claude-code-showcase

Audits source code, dependencies and config files for vulnerabilities and hardcoded secrets, using two bundled Python scanners and an OWASP Top 10 checklist.

eigent-ai/eigent

Implements Manus-style file-based planning for complex tasks.

jd-opensource/JoySafeter

Checks whether Android hidden-API implementations and system callbacks survive R8 minification, and diagnoses Release-only failures such as AbstractMethodError.

gkd-kit/gkd

A skill your agent uses when a Payload pull request needs a concise visual walkthrough for reviewers.

payloadcms/payload

A skill your agent uses when implementing or debugging ANY network request, API call, or data fetching.

CherryHQ/cherry-studio-app

Writes a Playwright end-to-end test from a prompt, runs it against a live Appsmith deployment and retries with fixes up to three times until it passes.

appsmithorg/appsmith

Audit Telegram Desktop dependencies on freshly fetched origin/dev for releases and security fixes, including upstream lag and backport candidates in patched forks.

telegramdesktop/tdesktop

Archives several completed OpenSpec changes in one operation, checking the codebase to resolve spec conflicts rather than archiving blindly.

Fission-AI/OpenSpec

Write or rewrite technical text with the rules of ASD-STE100 Simplified Technical English so it is clear, unambiguous, and free of AI slop.

moeru-ai/airi

Self-evolution engine for agents: studies runtime history for failures and inefficiencies, writes improvements, and syncs with the EvoMap Hub through a local proxy mailbox.

EvoMap/evolver

Runs web-grounded searches through Perplexity's Sonar models over OpenRouter for current events, recent literature and cited facts beyond the model's training cutoff.

davila7/claude-code-templates

Comprehensive guide for developing in the Astro monorepo. An agent skill from withastro/astro.

withastro/astro

Create Excalidraw diagram JSON files that make visual arguments.

coleam00/excalidraw-diagram-skill

Build and sharpen a project's domain model. An agent skill from fossasia/eventyay-interpretation.

fossasia/eventyay-interpretation

Refactor high-complexity React components in Langflow frontend.

langflow-ai/langflow

Plans and carries out moving non-host-specific code and its tests from the OpenHuman core into vendored tiny submodule libraries, then releases the submodule and re-pins the host.

tinyhumansai/openhuman

Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.

anthropics/claude-plugins-official

Merges external GitHub pull requests while keeping the original author credited, and fixes conflicts after the merge instead of rewriting the contribution.

HKUDS/OpenHarness

A skill your agent uses when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for…

farm-fe/farm

A skill your agent uses when a user says "minimize this ty ecosystem change", "reproduce this ecosystem result", "investigate a primer difference", "investigate a mypyprimer difference"…

astral-sh/ruff

A skill your agent uses when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies

ultralisp/ultralisp

Installs, authenticates and operates Gemini Notebook (NotebookLM) through the notebooklm-py CLI or its typed async Python API, for notebooks, sources, grounded chat and generated artifacts.

teng-lin/notebooklm-py

Self-learning system that captures corrections during sessions and reminds users to run /reflect to update CLAUDE.md.

BayramAnnakov/claude-reflect

Moves a package from another TryGhost repository into Ghost as an internal workspace package while keeping its Git history, with checkpoints for the steps that need an administrator.

TryGhost/Ghost

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

Keeps IdeaVim documentation in sync with code changes. An agent skill from JetBrains/ideavim.

JetBrains/ideavim

Best practices for Remotion - Video creation in React. An agent skill from lyonjs/shortvid.io.

lyonjs/shortvid.io

Reference for building AI agents with the Cline SDK: the Agent runtime, ClineCore sessions, custom tools, plugins, events, providers, scheduling and multi-agent teams.

cline/cline

Linear ticket work through Orca's CLI. Use when working from a linked Linear issue, finishing work with a PR/MR link and a completion comment…

stablyai/orca

Write, review, and migrate Supabase logs queries against the ClickHouse-backed logs table (the logs.all.otel analytics endpoint).

supabase/supabase

Drives a Chrome window over the DevTools Protocol with the agent-browser CLI, so the agent can reuse your logged-in sessions, read pages and pull tokens.

zenstory-ai/oh-story-claudecode

Find, evaluate, and download common purchasable CAD parts from step.parts, including named off-the-shelf actuators, servos, motors, electronics boards, connectors, screws, bolts, nuts, washers…

earthtojake/text-to-cad

Shows a one-shot quick-reference card for the ponytail skills: intensity levels, the six commands, and how to turn it off, set a default mode and update.

DietrichGebert/ponytail

Generate code using nx generators. An agent skill from nomcopter/react-mosaic.

nomcopter/react-mosaic

Captures screenshots of the running Mailspring dev app for docs, PRs or visual checks by launching it with a debugging port, driving the UI and clipping to an element.

Foundry376/Mailspring

Use this skill any time a spreadsheet file is the primary input or output.

rvdbreemen/OTGW-firmware

Route gh-aw workflow design/create/debug/upgrade requests to the right prompts.

dotnet/Open-XML-SDK

Debug failed or wrong-output workflow executions using executions tools.

n8n-io/n8n