Agent Skills Directory: Open-Source SKILL.md Skills
Find open-source agent skills for Claude Code, Codex, Gemini CLI and GitHub Copilot. Compare skills by GitHub stars and recent activity, see what each skill can touch, and read a dated scan report where one has run. Every skill here is a public GitHub repository with a SKILL.md file.
Works with Claude Code, Claude.ai, Codex, Gemini CLI, GitHub Copilot in VS Code, Cursor and other agents that follow the open Agent Skills specification.
Agent Skills
Official Sleek agent skill for creating and editing mobile app designs through the REST API. Includes account setup, screenshots and screen HTML.
Reanimate
A Claude Code skill that reverse-engineers any animation frame by frame, then proves the copy moves the same.
Humanize
Best static AI text humanizer. Two research-grounded LLM-agnostic skills that make AI writing sound human and relatable. Nine levers, 50+ peer-reviewed sources, 2024-2026 detection literature.
Maestro
Workflow fluency for AI coding agents. 1 core skill · 25 commands · 7 domain references · memory layer · audit trail — works across Cursor, Claude Code, Gemini CLI, Copilot, and 6 more.
Anthropic Leaked Source Code
CLAUDE LEAK - Full Claude Leaked Source Code
Claude Code Skills
Standalone skills for Claude Code and Codex: product discovery, architecture, implementation, technical foundations, reviews and delivery, with explicit scope and verification.
Claude Brain
Give Claude Code photographic memory in ONE portable file. No database, no SQLite, no ChromaDB - just a single .mv2 file you can git commit, scp, or share. Native Rust core with sub-ms operations.
Agent Skills Standard
A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages
Swift Concurrency Agent Skill
Swift Concurrency agent skill for Claude Code, Codex, and other AI tools.
Deep Skill Finder
Deep Skill Finder – Real Tests Real Reviews find skills that Real Work
Modularity
Claude Code plugin for designing modular systems from functional requirements and reviewing existing codebases for modularity problems with actionable improvement recommendations. Based on the Balanced Coupling model.
Claude Elixir Phoenix
Claude Code plugin for Elixir/Phoenix/LiveView — 26 specialist agents, Iron Laws enforcement, and Tidewave MCP integration. Plan features with parallel research agents, execute with automatic verification, review with 4-agent parallel audits, and capture learnings as reusable knowledge.
Super Board
Autonomous GitHub Project build → QA → review loop for Claude Code. One-line install.
Smart Illustrator
AI-powered article illustrations with intelligent position detection and cover learning system. Claude Code Skill.
Smart Ralph
Spec-driven development with smart compaction. Claude Code plugin combining Ralph Wiggum loop with structured specification workflow.
Marketing Os
An entire marketing department as one Claude skill. 14 modules: audits scored 0-100, an 18-tactic hook engine, copy graded before you see it, ad diagnosis, GEO, email, launches, pricing. Works in Claude, Codex and Cursor.
Agent Skills
The official Agent Skills for ClickHouse and ClickHouse Cloud
Claude Code Hooks
claude code hooks - adding voice on each hook
GodotMaker
Autonomous text-to-game pipeline for Godot, powered by Claude Code,Codex,Opencode
Adversarial Spec
A Claude Code plugin that iteratively refines product specifications by debating between multiple LLMs until all models reach consensus.
Skills
A curated collection of practical Claude Skills for real-world office tasks
Skills
A collection of Claude Skills from Posit
Offer Toolkit Skill
Full job-hunt Claude skill bundle — Job Description decoder + Resume builder (11 templates) + Behavioral Interview / story bank. Three self-contained sub-skills with a top-level router.
Opencode Power Pack
55 rigorous skills for Claude Code, Codex, OpenCode 1 and 2, and Pi: code review, security audit, feature development, frontend design, MCP tools, Hugging Face ML/training, and more.
List refreshed November 15, 2026. Data comes from public GitHub repositories.