23,359 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 |
|---|---|---|---|---|
| SpyrosBou/USDA-mcp | 0 | Codex, OpenCode | 1 | 1,094 tok |
| 263311487-ux/falsify 263311487-ux.github.io The scientific thinking protocol for AI agents — falsify before you believe. 5-stage falsi | 0 | Claude Code, Codex, Cursor, OpenCode | 3 | 280 tok |
| 84emllc/calendly-mcp-server MCP server for Calendly API - event management and scheduling via Model Context Protocol | 0 | Claude Code, Codex, OpenCode | 2 | 1,465 tok |
| kotobuki09/instructree kotobuki09.github.io Find why Codex instructions or skills are missing: audit AGENTS.md, .agents/skills, Codex | 0 | Codex, OpenCode | 1 | 87 tok |
| apitube/news-api-skills apitube.io Official APITube News API skill for AI coding agents — search worldwide news, sentiment, e | 0 | Codex, OpenCode | 1 | 425 tok |
| robcsaszar/crucible A parallel-agent codebase audit skill for Claude Code that adversarially verifies its own | 0 | Codex, OpenCode | 1 | 619 tok |
| a1024053774/design-integrity-guardrails Design-integrity guardrails for Codex and Claude Code: AGENTS.md, review skill, and determ | 0 | Codex, OpenCode | 1 | 1,553 tok |
| khasky/awesome-agents-md One self-contained AGENTS.md with shared rules for AI coding agents: Claude Code, OpenAI C | 0 | Codex, OpenCode | 1 | 8,391 tok |
| frankxai/awesome-design-agent-skills Web-first design-agent skills: hierarchy, accessibility, interaction quality, and visual Q | 0 | Codex, OpenCode | 1 | 565 tok |
| frankxai/awesome-wealth-agent-skills Web-first wealth-research skills. Reporting and scenarios. Not financial advice. | 0 | Codex, OpenCode | 1 | 326 tok |
| frankxai/awesome-investor-agent-skills Web-first investor research and analysis skills catalog; educational and simulation resour | 0 | Codex, OpenCode | 1 | 242 tok |
| frankxai/awesome-automation-agent-skills Web-first automation-agent skills: MCP, orchestration, and workflow safety gates. | 0 | Codex, OpenCode | 1 | 94 tok |
| frankxai/awesome-ai-coe Web-first catalog for accountable AI Centers of Excellence: standards, skills, orchestrati | 0 | Codex, OpenCode | 1 | 358 tok |
| frankxai/awesome-gamification-agent-skills Web-first catalog for ethical progression design, game state, playtesting, and agent-assis | 0 | Codex, OpenCode | 1 | 166 tok |
| 1818TusculumSt/smartdrive-mcp Semantic search for your entire OneDrive, powered by Pinecone vector search. | 0 | Codex, OpenCode | 1 | 966 tok |
| hjsh200219/pilldoc-user-mcp | 0 | Claude Code, Codex, OpenCode | 2 | 1,056 tok |
| frankxai/payment-intelligence-system frankx.ai Payment Intelligence System — SIP-conformant substrate for monetization, pricing, and reve | 0 | Claude Code, Codex, OpenCode | 2 | 1,648 tok |
| frankxai/agentic-ops-hub Agentic Ops Hub: configuration control plane for AI coding agents, agent-harness alignment | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,565 tok |
| frankxai/starlight-evals starlightintelligence.org Whole-system evaluation harness for SIS: models, memory, retrieval, datasets, named weakne | 0 | Codex, OpenCode | 1 | 770 tok |
| skymavis/skills Reusable, self-contained agent skills | 0 | Codex, OpenCode | 1 | 803 tok |
| CodeWithShreyans/skills My collection of agent skills | 0 | Codex, OpenCode | 1 | 665 tok |
| frontier-collective/whetstone-mcp An MCP server that captures and encodes human rejections of AI output into durable, querya | 0 | Claude Code, Codex, OpenCode | 3 | 4,392 tok |
| timtty/ai-kanban-bambam AI-native Kanban board with MCP server, GUI, and autonomous agent loop | 0 | Codex, OpenCode | 1 | 2,071 tok |
| JimmyPaolini/codebase Jimmy's codebase | 0 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 20,417 tok |
| mei-shui-xing/douyin-transcript-mcp Local-first, read-only Douyin speech transcription MCP using Qwen3-ASR and OpenAI Secure M | 0 | Codex, OpenCode | 1 | 485 tok |
| t0uchY233/telegram-summarize Telegram discussion summaries with participants and source links for Codex, Claude, and MC | 0 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| gggab/gitlab_mcp | 0 | Claude Code, Codex, OpenCode | 2 | 238 tok |
| ai-cooperation/business-card-mcp business-card-mcp.aicooperation.workers.dev AI-native self-hosted private business card manager with ChatGPT Remote MCP, Cloudflare D1 | 0 | Codex, OpenCode | 1 | 1,386 tok |
| jackstewart254/groundtruth Assessing how well a place is actually served, from published sources. Data gathered by AI | 0 | Claude Code, Codex, OpenCode | 3 | 126 tok |
| NTUT-Vincent/TWFoodMCP | 0 | Claude Code, Codex, OpenCode | 2 | 789 tok |
| alexmmatos/website-mcp-creator | 0 | Claude Code, Codex, OpenCode | 2 | 32 tok |
| alejoacelas/07-30-docs-mcp Google Docs Preview MCP with comments, replies, suggestions, and organization OAuth | 0 | Claude Code, Codex, OpenCode | 2 | 109 tok |
| alkindivv/MCPishCode | 0 | Codex, OpenCode | 1 | 1,640 tok |
| GyeongHoKim/gerrit-mcp-server Model Context Protocol server for Gerrit code review — find changes, read diffs, draft and | 0 | Claude Code, Codex, OpenCode | 2 | 3,403 tok |
| Chloride233/semantic-runtime Semantic infrastructure layer for AI Agents: semantic understanding, context resolution, e | 0 | Codex, OpenCode | 1 | 508 tok |
| francescojr/nobu **Game-agnostic MCP toolkit for composing chiptune / retro MIDI and rendering game audio.* | 0 | Claude Code, Codex, OpenCode | 2 | 2,333 tok |
| romprod/application-tracker A self-hosted, local-first job application tracker with web and MCP integrations. | 0 | Codex | 1 | — |
| PrimeUpYourLife/dynamic-telegram-bot-api-mcp npmjs.com Dynamic MCP server for Telegram Bot API with latest API methods. | 0 | Claude Code, Codex, OpenCode | 2 | 1,686 tok |
| thienntdev/mcp-atlassian | 0 | Codex, OpenCode | 1 | 712 tok |
| uvidswqkscr89/leiga_mcp_smithery leiga_mcp_smithery | 0 | Codex, OpenCode | 1 | 2,035 tok |
| rdwj/fda-mcp MCP Server for Looking Up Products on FDA Approval List | 0 | Claude Code, Codex, OpenCode | 2 | 6,521 tok |
| Senpai-Sama7/Ultimate_MCP | 0 | Codex, OpenCode | 1 | 655 tok |
| jerkovicl/flights-mcp | 0 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,787 tok |
| moonlitknight/mcp1template a clone of the mcp typescript template | 0 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,787 tok |
| omd0/srt-mcp | 0 | Claude Code, Codex, Cursor, OpenCode | 4 | 143 tok |
| SAK1337/myzerionmcp MCP for Zerion | 0 | Claude Code, Codex, OpenCode | 5 | 3,851 tok |
| magemaclean/azure-devops-mcp The MCP server for Azure DevOps, bringing the power of Azure DevOps directly to your agent | 0 | Codex, GitHub Copilot, OpenCode | 2 | 1,098 tok |
| chirpon9/riot-docs-mcp RIot Games API Documentation MCP server | 0 | Codex, OpenCode | 1 | 4,420 tok |
| gurdasnijor/my-smithery-app | 0 | Codex, OpenCode | 1 | 3,841 tok |
| Isaac-theori/Vulnerable-MCP-server vulnerable-MCP-server for education | 0 | Codex, OpenCode | 1 | 3,412 tok |