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.
Open Code Review
AI-powered multi-agent code review. Simulates a customizable team of Engineers performing code review with built-in discourse.
Humanizer Stack
Two-pass pipeline for removing AI writing tells from outward-facing text: a surface pass plus a structural pass grounded in the StoryScope study. Packaged as Claude Code Skills. Free community: skool.com/jens-ai-community-1306
Databricks Agent Skills
Databricks AI Tools: skills and plugins for building on Databricks with Claude Code, Cursor, Codex, GitHub Copilot, and other AI coding agents.
Rederive
Learn a codebase by re-deriving its design decisions yourself. A Claude Code skill.
DDC Skills For AI Agents In Construction
221 AI skills for construction: BIM analysis, cost estimation, scheduling, document control, and automation with Claude Code
Video Editor Skills
Skills that teach Claude Code to be a first-pass video editor in DaVinci Resolve: transcript cuts, vlog pacing, B-roll, music & SFX, clean captions, motion graphics, YouTube export. CC BY-NC 4.0 (no commercial use).
Www Project Agentic Skills Top 10
OWASP Foundation web repository
Story Skills
Agent Skills for end-to-end story writing in markdown, packaged as Codex and Claude Code plugins.
Sopify
Resumable, traceable AI coding — plans, handoffs, and evidence stay with the repo across hosts.
Developer Kit
Modular plugin marketplace for Claude Code and agentic CLIs, with validated, spec-driven skills, agents, commands, and workflows for Java, TypeScript, Python, PHP, AWS, and AI.
Agent Skills Discovery Rfc
A mechanism for discovering Agent Skills using the .well-known URI path prefix as specified in RFC 8615 for discovering Agent Skills.
Shinkoku
確定申告自動化 AI エージェントプラグイン — 帳簿管理から e-Tax 入力代行まで
Finding Unknowns Skills
14 installable skills for Claude Code, OpenAI Codex, and Hermes: find unknowns, clarify requirements, manage context, test assumptions, and verify bug fixes with regression evidence.
Medsci Skills
Agent Skills for medical research — literature search, reporting-guideline & citation checks, statistics, publication figures, submission. Works with Claude Code, Codex, Cursor & GitHub Copilot. Built by a physician-researcher, tested on real publications. MIT.
Modulestf
Agent skills for Claude Code and Codex that review, change and create reusable Terraform modules by the rules of terraform-aws-modules.
Milady
terminally online
Software Design Philosophy Skill
Claude Code skill: Software design philosophy guide based on A Philosophy of Software Design by John Ousterhout
Pai Code
Local AI filmmaking studio — skills, canvas, timeline — driven from your coding agent.
Gtm Skills
GTM Skills for Claude & Codex
WebArchiveExtractor
Mac OS X utility to un-archive .webarchive files (like when saving from Safari)
Strategy Skills For Claude
21 standalone Claude skills for strategy work, grouped into six practical consulting domains. Each skill is a small, uploadable workflow that teaches Claude how to perform one high-value consulting task with a repeatable strategy-consulting method.
Youtube Skills
YouTube transcript skills for Claude Code, Cursor and Codex. Agent Skills to get transcripts, search YouTube, read channels and playlists, and bulk export.
Claude Night Market
23 Claude Code plugins: TDD enforcement hooks, git/PR workflows, spec-driven development, code review, project lifecycle, fix-from-error, maintenance automation, context optimization, research, and multi-LLM delegation. 186 skills, 128 commands, 54 agents.
Agent Skills Vrc Udon
Skills, rules, and validation hooks that teach AI coding agents to generate correct UdonSharp code
List refreshed November 15, 2026. Data comes from public GitHub repositories.