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.
Claude Website Review Skill
Claude Agent Skill that reviews websites and landing pages: conversion scorecard, copy rewrites, WCAG 2.2 accessibility and Core Web Vitals. MIT.
Claude Social Content Skill
Claude Agent Skill for social media: repurpose content into X threads, LinkedIn posts, carousels and video scripts, hooks, calendars and brand voice. MIT.
Claude Job Application Skill
Claude Agent Skill for job seekers: fit analysis, ATS-friendly tailored resume, cover letter, outreach and interview prep. Never invents experience. MIT.
Claude Seo Skill
Claude Agent Skill for SEO: on-page audits, keyword clustering by intent, content briefs and technical SEO, grounded in Google Search Central. MIT.
List refreshed November 15, 2026. Data comes from public GitHub repositories.