24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| gbalabanli/agent-skills Practical and Useful Agent Skills Repisotry | 2 | Codex, OpenCode | 1 | 87 tok |
| agoda-com/agent-catalog-eval CLI to test skills and prompts | 2 | Codex, OpenCode | 1 | 1,722 tok |
| tower/agent-skills Skills that make your agents more powerful by working with Tower | 2 | Claude Code, Codex, OpenCode | 3 | 887 tok |
| phildionne/agent-skills | 2 | Codex, OpenCode | 1 | 427 tok |
| andrewlau624/agentmaxx Tools, skills, and instructions to maximize your outputs. | 2 | Claude Code, Codex, OpenCode | 2 | 812 tok |
| X-Zero-L/agent-skills | 2 | Codex, OpenCode | 1 | 1,232 tok |
| fran0220/agent-skills A collection of Agent Skills for personal use. | 2 | Claude Code, Codex, OpenCode | 2 | 2,091 tok |
| 17-sss/agent-skills | 2 | Codex, OpenCode | 1 | 510 tok |
| tomwangowa/agent-skills | 2 | Claude Code, Codex, OpenCode | 4 | 1,836 tok |
| Tano73/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,700 tok |
| mdvacula/agent-kit Skills, agents, and specs for autonomous coding workflows | 2 | Claude Code, Codex | 2 | — |
| quatico-solutions/agent-skills Shared skills for AI-assisted development with Claude Code and Cursor | 2 | Claude Code, Codex, OpenCode | 2 | 1,938 tok |
| retrip-ai/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 2,094 tok |
| kellykampen/agent-skills Reusable Claude Code agent skills — orchestration, code review, and workflow automation. | 2 | Codex, OpenCode | 1 | 293 tok |
| trewknowledge/agent-skills | 2 | Codex, OpenCode | 1 | 897 tok |
| agenticstack-sh/agenticstack-skills Agent skills for discovering, comparing, and recommending developer tools using AgenticSta | 2 | Claude Code, Codex, OpenCode | 2 | 466 tok |
| VertaaUX/agent-skills vertaaux.ai Official VertaaUX agent skills — automated UX, accessibility, and conversion audit best pr | 2 | Claude Code, Codex, OpenCode | 2 | 645 tok |
| skeduloDevelopers/agent-skills A curated collection of agent skills for the Skedulo Pulse Platform. Skills are reusable, | 2 | Codex, OpenCode | 1 | 1,224 tok |
| steadwing/agent-skills steadwing.com Agent Skills to help developers using AI agents with Steadwing | 2 | Codex, OpenCode | 1 | 405 tok |
| 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 |
| andrewsrigom/agent-skills andrewsrigom.github.io Reusable AI skill packs organized by library and topic. | 2 | Codex, OpenCode | 1 | 1,546 tok |
| openfort-xyz/agent-skills | 2 | Codex, OpenCode | 1 | 663 tok |
| commet-labs/pricing-models Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 77 tok |
| boundsj/agent-skills Reusable skills for AI coding agents (Claude Code, Codex, Cursor) | 2 | Codex, OpenCode | 1 | 663 tok |
| alphabetc1/agent-skills A five-stage coding skill for Codex and Claude: prompt, research, plan, build, and review. | 2 | Codex, OpenCode | 1 | 370 tok |
| yecllsl/trae-agent-skills A collection of Agent Skills for Trae IDE | 2 | Codex, OpenCode | 1 | 2,284 tok |
| yellowbee686/everything-analysis-agent everything about analysis agent, such as skills, plugins | 2 | Codex, OpenCode | 1 | 443 tok |
| mathieu0905/skilllens Visual coverage for agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| marmot-protocol/agent-config A collection of skills, tools, agents, commands, and plugins. | 2 | Codex, OpenCode | 1 | 42 tok |
| cboone/agent-harness-plugins Claude, Codex, + OpenCode commands, hooks, and skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 17,367 tok |
| hideki5123/agent-skill-set A collection of agent skills and tools | 2 | Claude Code, Codex, OpenCode | 3 | 1,883 tok |
| siarhei-belavus/agent-public Sanitized open-source Pi agent configuration, skills, and extensions | 2 | Codex, OpenCode | 1 | 304 tok |
| joao-aires/agent-skills-public A collection of reusable skills for coding agents | 2 | Codex, OpenCode | 1 | 1,165 tok |
| kieutrongthien/skills-fullstack Fullstack Skills for the Agent | 2 | Codex, OpenCode | 1 | 3,986 tok |
| jkrumm/hermes-agent Hermes Agent setup — config, skills, patches, cron (Mac Mini-only) | 2 | Claude Code, Codex, OpenCode | 3 | 12,404 tok |
| meaningfy-ws/skillery a collection of agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,612 tok |
| peterkarman1/SkillInquisitor Scan for malicious agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 867 tok |
| ianscrivener/drawthings-agent-skills | 2 | Codex, OpenCode | 1 | 1,370 tok |
| agents-infrastructure/alicloud-agent-skills A collection of Agent Skills for managing Alibaba Cloud infrastructure - 9 skills covering | 2 | Codex, OpenCode | 1 | 416 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 | 5,880 tok |
| ltczding-gif/agent-supervision-skills Windows-first local agent supervision skills for Claude Code, Codex, and Kimi Code. Local | 2 | Codex, OpenCode | 1 | 307 tok |
| antongulin/agenticflow-ai-skills | 2 | Claude Code, Codex, OpenCode | 2 | 4,440 tok |
| mir-am/skills-agents-ai-coding Mir's Agents & Skills for AI Coding Assistants | 2 | Codex, OpenCode | 1 | 1,693 tok |
| GooPxel77/agent-skills-hub | 2 | Claude Code, Codex | 2 | — |
| jidechao/langchain_agent_skills | 2 | Claude Code, Codex, OpenCode | 3 | 1,389 tok |
| rsenna/rs-agent-plugin Personal AI agent code plugins: GitHub issue -> PR workflow skills | 2 | Codex, OpenCode | 1 | 1,283 tok |
| Muriel-Salvan/x_aeon_agents AI agents skills to be used for X-Aeon projects | 2 | Codex, OpenCode | 1 | 2,472 tok |
| Aimny2020/agentpalette A local-first desktop workspace for managing AI agents, skills, and harnesses across proje | 2 | Codex, OpenCode | 1 | 580 tok |