45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Dwolla/dwolla-mcp npmjs.com MCP Server for Dwolla API | 3 | Claude Code | 1 | 1,753 tok |
| yashodhank/whmcs-mcp-server | 3 | Claude Code, Codex, Cursor, OpenCode | 3 | 5,025 tok |
| dzxpert/PatchWork Injectable DLL with an in-process Lua engine & MCP server for runtime memory editing, hook | 3 | Claude Code | 1 | 1,612 tok |
| edmiand/open5gs-mcp MCP server exposing an Open5GS 5G core over streamable HTTP — tools for NF lifecycle contr | 3 | Claude Code | 1 | 1,024 tok |
| AndresMuelas2004/tldraw-mcp-server Full-featured MCP server for creating and editing tldraw documents programmatically (30 to | 3 | Claude Code | 1 | 455 tok |
| PLAID-lib/plaid-mcp-server MCP server for converting datasets | 3 | Codex, OpenCode | 1 | 1,205 tok |
| tingyiy/atlassian-mcp-server An open-source Model Context Protocol (MCP) server for Atlassian Jira and Confluence Cloud | 3 | Claude Code, Gemini CLI | 2 | 2,292 tok |
| print-yuhuan/QQ-MCP-Server | 3 | Claude Code, Codex, OpenCode | 2 | 2,952 tok |
| rediche/skills Simple, focused agent skills for planning, implementation flow, and QA. | 3 | Codex, OpenCode | 1 | 55 tok |
| igor-holt/openclaw-skills Production OpenClaw / ClawHub skills by Igor Holt (Genesis Conductor). Persistent state fo | 3 | Codex, OpenCode | 1 | 697 tok |
| lowspeclabs/Proxmox-Manager-Agent-Skill Opensource Agent Skills | 3 | Codex, OpenCode | 1 | 1,728 tok |
| jakesterns/agent-skills | 3 | Claude Code | 1 | 305 tok |
| lucsedirae/agent_skill_library A library of Claude skills | 3 | Codex, OpenCode | 1 | 178 tok |
| akshay5995/agent-skill-evals akshay5995.github.io Agent Skill Evals helps you test agent skills with Promptfoo. | 3 | Codex, OpenCode | 1 | 663 tok |
| kellykampen/agent-skills Reusable Claude Code agent skills — orchestration, code review, and workflow automation. | 3 | Codex, OpenCode | 1 | 293 tok |
| msobczyk-x/agent-skills Cross-agent coding skills for simplifying diffs, refactoring, pragmatic reviews, and plann | 3 | Codex, OpenCode | 1 | 966 tok |
| delacournz/agent-skills | 3 | Claude Code, Codex, OpenCode | 2 | 1,807 tok |
| sajeetharan/angular-agent-kit sajeetharan.github.io A collection of skills for AI coding agents working with Angular. Skills are packaged inst | 3 | Codex, OpenCode | 1 | 689 tok |
| fikrilal/engineering-agent-skills Portable Agent Skills for understanding, designing, and evolving software systems | 3 | Codex, OpenCode | 1 | 150 tok |
| marcos2872/agents-config Configuração pessoal do pi coding agent — agentes, skills e extensões | 3 | Codex, OpenCode | 1 | 1,756 tok |
| mdelapenya/coding-skills Helpful skills for coding agents | 3 | Claude Code | 1 | 955 tok |
| wanggang316/you-skill youskill.cc Keep Your Agent Skills Organized | 3 | Codex, OpenCode | 1 | 1,084 tok |
| frowang-ai/paper-agent-skills | 3 | Codex, OpenCode | 1 | 642 tok |
| asherzj/ashers-agent-skills Chinese research and development processes and composable engineering Skills for Coding Ag | 3 | Codex, OpenCode | 1 | 1,201 tok |
| curtisgalloway/public-skills Reusable agent skills for Claude Code and other agentic coding tools | 3 | Codex, OpenCode | 1 | 1,103 tok |
| devantler-tech/agent-plugins Tool-neutral agent-plugin marketplace — maintained and curated skills, MCP servers and age | 3 | Claude Code, Codex, OpenCode | 2 | 6,157 tok |
| ReScienceLab/TrySkills tryskills.sh One URL to try any agent skill — powered by Hermes Agent | 3 | Claude Code, Codex, OpenCode | 28 | 2,750 tok |
| Lzy599775/agent-auto-sci-skills lzy599775.github.io Auto-sci-research: End-to-end research writing, literature reviews, bibliometrics, GIS exp | 3 | Codex, GitHub Copilot, OpenCode | 2 | 2,013 tok |
| SidekicksStudio/marketing-agency-in-a-box Marketing Agency in a Box — 40+ AI agent skills for agencies and founders. Built on coreyh | 3 | Claude Code, Codex, OpenCode | 2 | 2,243 tok |
| vaquarkhan/Fullstack-development-agent-skills Full stack development agent skills are portable packages of instructions, scripts, and re | 3 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode | 14 | 1,067 tok |
| igarcez/claude-plugins Claude Code plugin for interview-driven implementation plans — /plan-md interrogates you u | 3 | Claude Code | 1 | 87 tok |
| bgreenwell/claude-plugins | 3 | Claude Code | 1 | 1,412 tok |
| qte77/claude-code-plugins qte77.github.io A Claude Code plugin marketplace providing skills, rules, and scripts extracted from a pro | 3 | Claude Code, Codex, OpenCode | 3 | 906 tok |
| southlab-ai/Claude-Plugin-Marketplace Claude Code plugin marketplace by Southlab AI — productivity tools, freelance automation, | 3 | Claude Code | 1 | 846 tok |
| raisedadead/claude-code-plugins | 3 | Claude Code | 2 | 985 tok |
| unsafe9/claude-tmux-hop Claude Code plugin and tmux plugin for quick window switching on notifications | 3 | Claude Code | 1 | 2,104 tok |
| Zelenov/claude-code-ru-vpn-plugins | 3 | Claude Code | 1 | — |
| shdennlin/agent-plugins A collection of Claude plugins with one-liner installer | 3 | Claude Code | 1 | 1,265 tok |
| djimit/overheid-plugins Centrale catalogus van Claude Code plugins voor de Nederlandse overheid | 3 | Codex, OpenCode | 1 | 1,254 tok |
| SyntaxArc/archipy-plugin syntaxarc.github.io Cursor and Claude Code plugin: rules, skills, and commands for building apps with ArchiPy | 3 | Claude Code, Codex, OpenCode | 1 | 942 tok |
| Vibe-Marketer/plugins-and-skills Claude Code skills packaged as installable plugins. 31 skills across 3 plugins. | 3 | Claude Code | 1 | 434 tok |
| lancewillett/ai-plugins Lance's AI skills, agents, commands, etc. By convention, works with Claude and Codex both. | 3 | Claude Code, Codex, OpenCode | 2 | 250 tok |
| timgranlundmarsden/claude-agent-flow timgranlundmarsden.github.io Agentic workflow plugin for Claude Code with adversarial loop to ensure quality without in | 3 | Claude Code | 2 | 1,118 tok |
| weixiaospace/vscode-claude-copilot A VS Code extension for visually viewing and managing Claude Code plugins, MCP, skills, me | 3 | Claude Code | 1 | 4,692 tok |
| kenshikobayashi/everything-claude-code-for-business Complete Claude Code plugin for business operations — meetings, communication, analysis, p | 3 | Claude Code | 1 | 514 tok |
| vasuag09/harness-claude A lean, full-SDLC harness for Claude Code: Plan → Implement → Verify → Maintain, with suba | 3 | Claude Code | 1 | 1,723 tok |
| afaizalam2003/Master-claude-skill A comprehensive open-source collection of 220+ production-ready skills, agent plugins, and | 3 | Gemini CLI | 187 | — |
| protomated/protomated-plugins-official Free Claude Cowork plugins for solo and small-firm attorneys, built by Protomated. Covers | 3 | Claude Code | 1 | 3,596 tok |
| patty-png/claude-code-toolkit-app claudecodestack.com The home for Claude Code. 2,400+ MCPs, skills, subagents, hooks, and plugins — plus course | 3 | Codex, OpenCode | 1 | 74 tok |
| o2alexanderfedin/o2-scalpel LSP-driven semantic refactoring for agentic AI (MCP server + Claude Code plugin) | 3 | Claude Code | 1 | 1,397 tok |