31,992 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mcpindex-ai/mcpindex-web mcpindex.ai The agent-native index of MCP servers — discovery layer over the official MCP registry. | 1 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| fluidumber/AutoPM Turn abstract ideas into shipping roadmaps. AutoPM is an agentic workflow that deploys spe | 1 | Claude Code, Codex, OpenCode | 2 | 7,697 tok |
| fulminate-io/knowledge-mcp MCP-native knowledge graph with code/cloud/CI indexing, structural AST search, persistent | 1 | Claude Code | 44 | 3,209 tok |
| gate/gate-local-mcp A local MCP server that exposes the Gate API v4 to any MCP-compatible client | 1 | Claude Code, Codex, OpenCode | 3 | 1,259 tok |
| eternal-roman/ledger npmjs.com Exact-decimal double-entry kernel for AI agents. Call MCP tools instead of doing money mat | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 787 tok |
| fieldcure/fieldcure-assiststudio-runner nuget.org Headless LLM task runner — schedule natural language tasks via MCP, execute with any LLM p | 1 | Claude Code | 1 | 2,299 tok |
| gregario/3dprint-oracle 3D printing filament and materials knowledge MCP server | 1 | Claude Code | 1 | 280 tok |
| getanyapi-com/skills getanyapi.com Official AnyAPI agent skills — hundreds of scraping & data APIs through one gateway: one k | 1 | Claude Code, Codex, OpenCode | 2 | 296 tok |
| girik-chadha/interviewer-mcp Full technical interview prep in Claude — company briefing, concept bootcamp, deep-dives o | 1 | Claude Code | 1 | 795 tok |
| gregario/tft-oracle Teamfight Tactics MCP server — accurate champion, trait, item, and augment data for LLMs | 1 | Claude Code | 1 | 355 tok |
| grinnellian/magnifica-humanitas-mcp MCP server for navigating Magnifica Humanitas — Pope Leo XIV's 2026 encyclical on AI and t | 1 | Claude Code | 1 | 435 tok |
| jarmstrong158/context-keeper jarmstrong158.github.io MCP server that maintains project memory across Claude conversations — records decisions, | 1 | Claude Code | 1 | 4,969 tok |
| ivanantigravity-lgtm/model-council-mcp-server | 1 | Claude Code | 1 | 790 tok |
| japlete/md-vision-mcp npmjs.com stdio MCP server to read or index markdown with images | 1 | Claude Code, Codex, OpenCode | 2 | 630 tok |
| iVamsi/droid-agent-kit Local, permissioned MCP server giving AI coding agents real Android dev tools — Gradle, ad | 1 | Claude Code, Codex, OpenCode | 2 | 2,719 tok |
| hakimjonas/lambe ardaproject.org Total, multi-format query language for structured data (JSON, YAML, TOML, HCL, CSV, XML, M | 1 | Claude Code, Codex, OpenCode | 2 | 2,900 tok |
| hanoak/pixabay-mcp-server npmjs.com Production-ready Model Context Protocol (MCP) server for the Pixabay API — search and fetc | 1 | Claude Code | 1 | 3,594 tok |
| hoornet/agentdocs-mcp agentdocs.eu MCP server for AgentDocs (agentdocs.eu) — give any AI agent native tools to read, search, | 1 | Claude Code | 1 | 968 tok |
| igmizo/auseklis Astrology MCP server — natal charts, transits, synastry, eclipses, retrogrades. Real ephem | 1 | Claude Code, Codex, OpenCode | 2 | 1,069 tok |
| isco-tec/scorezilla-mcp scorezilla.dev Official MCP server for Scorezilla — add a leaderboard to your game from your AI coding as | 1 | Claude Code | 1 | 749 tok |
| ivanantigravity-lgtm/seedance-polza-mcp-server | 1 | Claude Code | 1 | 327 tok |
| hannasdev/mcp-writing MCP service for AI-assisted reasoning and editing on long-form fiction projects | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,156 tok |
| haomingkoo/japan-seasons-mcp seasons.kooexperience.com Live Japan seasonal travel MCP and map with 1,700+ places, cherry blossom and autumn folia | 1 | Claude Code | 1 | 1,088 tok |
| hs737/mcp-server-for-ynab pypi.org An AI-first MCP server for YNAB. Read-only by default, with reversible writes and verifica | 1 | Claude Code, Codex, OpenCode | 13 | 3,660 tok |
| justinthevoid/xcforge MCP server and CLI for iOS development — build, test, automate, and diagnose from any AI a | 1 | Claude Code | 1 | 1,033 tok |
| kaaustubh/project-memory-mcp npmjs.com Persistent memory for AI coding agents (Claude Code, Cursor) — past bugs & fixes, decision | 1 | Claude Code, Codex, OpenCode | 2 | 8,473 tok |
| kansei-link/kansei-mcp-server npmjs.com Local-first MCP navigator for AI agents. 11,000+ SaaS services, 200 workflow recipes, 89-9 | 1 | Claude Code, Codex, OpenCode | 2 | 773 tok |
| jasonko/psquare-mcp Archived — moved to thehesiod/psquare-mcp (PyPI: parentsquare-mcp) | 1 | Claude Code, GitHub Copilot | 2 | 6,733 tok |
| jcc-ne/mcp-skill-server Claude-code like skills packages as a server | 1 | Claude Code | 2 | 710 tok |
| atriumn/tokencost-dev tokencost.dev LLM Pricing Oracle — MCP server with real pricing data from LiteLLM | 1 | Claude Code | 1 | 288 tok |
| johnanleitner1-Coder/lastminutedeals-api smithery.ai FOR SALE $8K — Production AI travel booking engine. 47 live suppliers, 18 countries, MCP s | 1 | Claude Code, Codex, OpenCode | 2 | 4,265 tok |
| jbeshir/mcp-servers MCP servers of mine, created mostly by AI with light review | 1 | Claude Code | 1 | 654 tok |
| joesaby/doctree-mcp | 1 | Claude Code | 4 | 1,650 tok |
| jordanburke/oura-ring-mcp-server | 1 | Claude Code | 1 | 1,208 tok |
| koment-dev/koment koment.dev Out-of-band code annotations for AI agents and humans. Keeps the why next to the code with | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,937 tok |
| ljcl/gaggiuino-mcp | 1 | Claude Code, Codex, OpenCode | 8 | 32,950 tok |
| loncadev/baron Platform-agnostic work-orchestration for AI coding agents — one pane of glass (issues, scm | 1 | Claude Code, Codex, OpenCode | 2 | 1,606 tok |
| kwizzlesurp10-ctrl/x402-mcp x402-mcp.onrender.com x402 USDC micropayments MCP + A2A storefront on Base — city compliance, agent discovery, p | 1 | Claude Code, Codex, OpenCode | 18 | 4,562 tok |
| visus-mcp/visus-mcp Security-first MCP tool. Sanitizes web content before it reaches your LLM. | 1 | Claude Code | 1 | 715 tok |
| living-hi/one-person-company-os Chinese-first control system for AI-native solo companies. | 1 | Claude Code, Codex, OpenCode | 2 | 854 tok |
| lu-zhengda/mcp-python-exec-sandbox pypi.org MCP server for sandboxed Python execution — bubblewrap on Linux, Docker on macOS. PEP 723 | 1 | Claude Code | 1 | 588 tok |
| malkreide/global-education-mcp MCP server for international education data – UNESCO UIS (4,000+ indicators) and OECD Educ | 1 | Claude Code | 3 | 5,805 tok |
| malkreide/eth-library-mcp MCP Server for ETH Library Zurich – Access 30M+ resources (books, maps, images, archives) | 1 | Claude Code | 3 | 8,829 tok |
| malkreide/swiss-culture-mcp MCP Server for Swiss Cultural Heritage Data (BAK) — ISOS, Living Traditions, Cultural Priz | 1 | Claude Code | 3 | 4,628 tok |
| malkreide/termdat-mcp MCP server for TERMDAT — official multilingual terminology of the Swiss Federal Administra | 1 | Claude Code | 3 | 6,734 tok |
| marras0914/agent-toolbelt | 1 | Claude Code | 1 | 3,978 tok |
| matematicsolutions/mcp-isap matematicsolutions.com MCP server for Polish legislation (Dziennik Ustaw + Monitor Polski) via Sejm ELI API. 96k+ | 1 | Claude Code, Codex, OpenCode | 3 | 1,277 tok |
| matematicsolutions/mcp-krs matematicsolutions.com MCP server for Polish KRS (Krajowy Rejestr Sadowy) via official, free Ministry of Justice | 1 | Claude Code, Codex, OpenCode | 3 | 1,021 tok |
| makz81/spendlog spendlog.dev MCP server for expense tracking. Track finances directly in Claude | 1 | Claude Code | 1 | 663 tok |
| malkreide/swiss-academic-libraries-mcp MCP server for Swiss academic libraries: swisscovery, e-rara, e-periodica, e-manuscripta | 1 | Claude Code | 3 | 18,659 tok |