AI Agent Skills

Semantic version control => entity-level diffs, blame, and impact analysis on top of git. 26 languages via tree-sitter. Built for coding agents.

Reverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing + On-demand toolchain bootstrapping + Self-evolving knowled…

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

Coding articles to level up your development skills

Installable GitHub library of 1,273+ agentic skills for Claude Code, Cursor, Codex CLI, Gemini CLI, Antigravity, and more. Includes installer CLI, bundles, workflows, an…

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

A tool to automatically fix PHP Coding Standards issues

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code C…

Repository analysis, pull request review, issue triage, and release workflow automation.

A lightweight desktop app to manage, sync, and organize AI agent skills across 15+ coding tools — Cursor, Claude Code, Codex, Copilot, and more.

Add expert SwiftUI Best Practices guidance to your AI coding tool (Agent Skills open format).

Curated skills, sub-agents, and config templates that supercharge Claude Code — research, image gen, GitHub automation & more.

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.