31,994 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| codebytes/agent-skills | 2 | Claude Code, GitHub Copilot | 2 | 289 tok |
| johnviklund/agent-skills | 2 | Claude Code | 5 | — |
| felipeblassioli/agent-skills skills.sh My personal official collection of agent skills, react ones forked from vercel | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 4,277 tok |
| zacharygcook/agent-skills A curated collection of practical, evidence-backed skills for coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 376 tok |
| hamzaMissewi/agent-skills | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 1,942 tok |
| delacournz/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,807 tok |
| commet-labs/pricing-models Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 77 tok |
| basaltbytes/agentic-tools Collection of skills/commands/plugins for agentic tools | 2 | Claude Code | 1 | 2,140 tok |
| mathieu0905/skilllens Visual coverage for agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| shivswami/ghcp-custom-agents Custom Agents and Skills in GitHub Copilot | 2 | Claude Code | 3 | — |
| AssafTzurEl/assaf-agent-skills A personal collection of portable Agent Skills on the open SKILL.md standard | 2 | Claude Code | 1 | 750 tok |
| arraydude/agent-skills | 2 | Claude Code | 2 | 417 tok |
| cboone/agent-harness-plugins Claude, Codex, + OpenCode commands, hooks, and skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 11,830 tok |
| hideki5123/agent-skill-set A collection of agent skills and tools | 2 | Claude Code, Codex, OpenCode | 3 | 1,611 tok |
| duongnguyen321/ag-skills duonguyen.site Agent Configuration Guide / Hướng Dẫn Cấu Hình Agent | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 47 | 766 tok |
| dremonkey/agents-and-skills My personal collection of agent definitions and skill prompts for Claude Code. These are d | 2 | Claude Code | 1 | 332 tok |
| Stapler-AI/stapler-skills Agent development tools | 2 | Claude Code | 1 | 570 tok |
| jscott3201/ai-agent-skills Custom set of skills for code development patterns for feature rich and secure development | 2 | Claude Code | 2 | 1,769 tok |
| jkrumm/hermes-agent Hermes Agent setup — config, skills, patches, cron (Mac Mini-only) | 2 | Claude Code | 3 | 11,093 tok |
| chicongst/agent-skills-installer | 2 | Claude Code | 1 | 993 tok |
| kumekay/skiletto Version manager for agent skills | 2 | Claude Code | 1 | 692 tok |
| mdelapenya/coding-skills Helpful skills for coding agents | 2 | Claude Code | 1 | 934 tok |
| meaningfy-ws/skillery a collection of agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,331 tok |
| peterkarman1/SkillInquisitor Scan for malicious agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 867 tok |
| pyxll/pyxll-agent-skills A curated collection of Agent Skills for working with PyXLL, the Python Excel add-in. | 2 | Claude Code | 1 | 205 tok |
| olaservo/mcp-agent-skills Agent skills for building, testing, and learning about MCP | 2 | Claude Code | 1 | 68 tok |
| Aqsa-Naeem/amazon-agentic-skills Amazon Private Label Assistant - AI skills for product research, validation, competitor an | 2 | Claude Code | 1 | 112 tok |
| geolonia/geolonia-agent-skills Skill for Claude Code | 2 | Claude Code | 1 | 664 tok |
| FlowRegSuite/flowreg-agent-skills | 2 | Claude Code, Codex, OpenCode | 1 | 1,172 tok |
| hams-ollo/zen-agent-skills This is a portable engineering toolkit, cross-harness AI agent skills library of AI agent | 2 | Claude Code, Codex, OpenCode | 4 | 6,627 tok |
| jcarroll2007/Frontend-Agent-Skills | 2 | Claude Code | 1 | 265 tok |
| afcondon/purescript-agent-skills Claude Code skills for PureScript development: ecosystem guide, language idioms, and code | 2 | Claude Code | 1 | 1,029 tok |
| Rahulchaube1/-Skills-for-Agents Production-grade AI agent workflow system for coding, planning, testing, reviewing, and sh | 2 | Claude Code | 8 | 467 tok |
| antongulin/agenticflow-ai-skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,095 tok |
| GooPxel77/agent-skills-hub | 2 | Claude Code, Codex | 1 | — |
| oscarqjh/super-agent-skills Full-lifecycle engineering plugin for Claude Code — brainstorm → plan → build → review → s | 2 | Claude Code | 1 | 495 tok |
| jidechao/langchain_agent_skills | 2 | Claude Code, Codex, OpenCode | 3 | 1,389 tok |
| vimkim/my-cubrid-skills my cubrid skills for ai agents | 2 | Claude Code, Codex, OpenCode | 2 | 781 tok |
| devantler-tech/agent-plugins Tool-neutral agent-plugin marketplace — bundles curated skills, MCP servers and agents fro | 2 | Claude Code, Codex, OpenCode | 2 | 6,147 tok |
| daibang123a/golang-agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,074 tok |
| WtotdeD/agentic-resume-builder An application that harnesses claude skills to build your resume | 2 | Claude Code | 3 | 695 tok |
| ReScienceLab/TrySkills tryskills.sh One URL to try any agent skill — powered by Hermes Agent | 2 | Claude Code, Codex, OpenCode | 28 | 2,750 tok |
| wjcwjc77/agentic-postgres-rag agentic postgres skill | 2 | Claude Code | 1 | 693 tok |
| cat-xierluo/agent-executor-raycast A Raycast extension for executing Claude Code skills and commands | 2 | Claude Code, Codex, OpenCode | 4 | 465 tok |
| weijunswj/ai-agent-toolkit weijunswj.notion.site AI Agent Toolkit plugin for AI-assisted coding governance, tools and skills. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,642 tok |
| haowjy/meridian-base Personal workflow skills for meridian agents | 2 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| SidekicksStudio/marketing-agency-in-a-box Marketing Agency in a Box — 40+ AI agent skills for agencies and founders. Built on coreyh | 2 | Claude Code, Codex, OpenCode | 2 | 2,243 tok |
| chongdashu/warp-oz-agent-skills | 2 | Claude Code, Codex | 2 | — |
| breakds/claude.bds Collections of Claude Plugins/Configurations | 2 | Claude Code | 1 | — |
| startvibe/startvibe-cc-marketplace A claude code plugin marketplace provider by StartVibe. | 2 | Claude Code | 1 | 162 tok |