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 |
|---|---|---|---|---|
| GSA-TTS/mcp-server-nih-reporter Pilot MCP server for the NIH RePORTER API | 2 | Claude Code, Codex | 1 | — |
| contributte/mcp ✨ MCP server for Nette applications | 2 | Claude Code, Codex, OpenCode | 2 | 150 tok |
| jamesbachini/x402-mcp-stellar MCP server to enable x402 payments on the Stellar network | 2 | Codex, OpenCode | 1 | 538 tok |
| pingidentity/aic-mcp-server | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 8 | 572 tok |
| Citizen4our/arch-mcp-server MCP server that gives code agents architectural context - ERD diagrams, code policies, API | 2 | Codex, OpenCode | 1 | 2,305 tok |
| MartinKuhne/devstack project/feature/task management mcp server with a user interface | 2 | Claude Code, Codex, OpenCode | 19 | 483 tok |
| alexmmatos/arthur-mcp arthurmcp.io No code system to provide MCP Server using Any Data Source | 2 | Claude Code, Codex, OpenCode | 4 | 3,557 tok |
| trotsky1997/PaddleOCR-MCP Fast PaddleOCR MCP server - Extract text from images using PaddleOCR with optimized perfor | 2 | Codex, OpenCode | 1 | 2,731 tok |
| sharpninja/McpServerManager sharpninja.github.io Avalonia desktop app for tracking and inspecting request/session logs with AI assistant | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,350 tok |
| ironxyz/mcp-server | 2 | Claude Code, Codex | 1 | — |
| Weaverse/mcp-server | 2 | Claude Code, Codex, OpenCode | 2 | 163 tok |
| SignalWhisperer/cargo-mcp Cargo MCP Server | 2 | Codex, OpenCode | 1 | 4,628 tok |
| lukasamd/mybb-mcp MyBB MCP Server | 2 | Codex, OpenCode | 1 | 1,114 tok |
| test-zeus-ai/testzeus-mcp-server testzeus-mcp-server | 2 | Codex, OpenCode | 1 | 686 tok |
| ineersa/mcp-sql-server MySQL MCP server | 2 | Codex, Gemini CLI, OpenCode | 2 | 1,637 tok |
| israel-salgado/dt-mcp-server | 2 | Claude Code, Codex, GitHub Copilot | 19 | 7,851 tok |
| MWXrookie/dify-mcp-server | 2 | Codex, OpenCode | 1 | 7,037 tok |
| whyb/winui_mcp_server An MCP server that allows you to control the Windows interface using prompts via mouse and | 2 | Claude Code, Codex, OpenCode | 2 | 2,884 tok |
| futuretea/mcp-server-template A template for building Model Context Protocol (MCP) servers | 2 | Claude Code, Codex, OpenCode | 2 | 224 tok |
| melanyss/claude-code-subagents Claude Code SubAgents - Awesome curated list | 2 | Codex, OpenCode | 1 | 5,138 tok |
| G4RNIR/mslx-mcp-server | 2 | Codex, OpenCode | 1 | 948 tok |
| anthuanvasquez/skills Standardized guidance, agent rules, and scaffold templates for applying AI agents | 2 | Codex, OpenCode | 1 | 1,550 tok |
| agent-skills/skills agskills.dev Agent Skills. | 2 | Claude Code, Codex | 4 | — |
| bitbloxhub/skills My agent skills | 2 | Codex, OpenCode | 1 | 117 tok |
| reviewtaipei284/awesome-claudecode-paper-proofreading Provide clear, two-phase paper proofreading using Claude Code and Codex to detect and fix | 2 | Codex, OpenCode | 1 | 1,274 tok |
| chefallan/awesome-context-engine chefallan.github.io Portable repo memory for AI coding agents. Keeps context current across Copilot, Claude, C | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,001 tok |
| JoseArron/skills Skills I use for my projects, for any agent | 2 | Codex, OpenCode | 1 | 45 tok |
| ipruning/skills Coding-agent skills managed with skillshare and synced across supported AI tools | 2 | Claude Code, Codex, OpenCode | 2 | 439 tok |
| lonewolfyx/skills curated collection of agent skills. | 2 | Codex, OpenCode | 1 | 836 tok |
| Leev1s/skills Public repository for agent skills | 2 | Codex, OpenCode | 1 | 278 tok |
| spencer17x/skills Personal AI agent skills collection | 2 | Codex, OpenCode | 1 | 878 tok |
| avelrl/skills Skills Catalog for AI Agents | 2 | Codex, OpenCode | 1 | 833 tok |
| sherif-fanous/skills A repository for skills I commonly use with coding agents | 2 | Claude Code, Codex | 3 | — |
| polaralias/skills Curated library of reusable agent skills for engineering, delivery, content, design, docum | 2 | Claude Code, Codex, OpenCode | 2 | 1,950 tok |
| RBraga01/builder-product rbraga01.github.io AI product skills pack — 7 skills and 3 agents that enforce quality in AI-assisted product | 2 | Claude Code, Codex, OpenCode | 2 | 891 tok |
| commet-labs/subscription-patterns Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 73 tok |
| aybakanawork/my_agent_skills Agent Skills that I am using | 2 | Codex, OpenCode | 1 | 162 tok |
| SuperMalow/personal-agent-skills General-purpose agent skills | 2 | Codex, OpenCode | 1 | 512 tok |
| SurajGThakkar/agent-skills | 2 | Codex, OpenCode | 1 | 560 tok |
| deancourse/openspec-agent-skills-practice A repo for practicing full-stack project generation with OpenSpec | 2 | Claude Code, Codex | 3 | — |
| knopki/agent-skills knopki's curated collection of agent skills. | 2 | Claude Code, Codex, OpenCode | 2 | 568 tok |
| KarhouTam/agent-skills Personal agent skill kit, might be useful 😪 | 2 | Claude Code, Codex, OpenCode | 2 | 1,569 tok |
| xelandernt/skilly xelandernt.github.io Manage Agent Skills | 2 | Codex, OpenCode | 1 | 1,439 tok |
| TheIllusionOfLife/AgentKaizen An Agent Skill to optimize AGENTS.md, README.md, skills, and so on for Claude Code and Cod | 2 | Claude Code, Codex, OpenCode | 2 | 3,943 tok |
| arenadata/adcm-agent Arenadata Cluster Manager Agent Skills | 2 | Claude Code, Codex, OpenCode | 1 | 1,902 tok |
| demian85/agent-skills Useful skills for coding agents | 2 | Codex, OpenCode | 1 | 1,319 tok |
| whyzsm/tiny-agents Agents and skills | 2 | Codex, OpenCode | 1 | 664 tok |
| jyoung9154/AgentSkills Create agents by function | 2 | Codex, OpenCode | 1 | 603 tok |
| dirtybits/agent-skills Agent skills published on AgentVouch | 2 | Codex, OpenCode | 1 | 293 tok |
| alok-19/agent-skills Reusable skills for coding agents | 2 | Codex, OpenCode | 1 | 225 tok |