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 |
|---|---|---|---|---|
| pnmcguire480/cairntir Local-first persistent memory MCP server for Claude Code, Codex, Cursor, Qwen Code, and AI | 2 | Claude Code, Codex, OpenCode | 2 | 3,528 tok |
| reloadcz/mcp-csu csu.cz MCP Server | 2 | Claude Code | 1 | 1,484 tok |
| mohsinsheikhani/tutorclaw-mcp MCP server for TutorClaw, an AI-powered tutoring system that teaches programming through P | 2 | Claude Code, Codex, OpenCode | 2 | 746 tok |
| rushikeshmore/tor-mcp Every web request your LLM tool makes leaks your IP. tor-mcp routes them through Tor with | 2 | Claude Code | 1 | 1,132 tok |
| EventRegistry/newsapi-mcp npmjs.com NewsAPI.ai MCP server | 2 | Claude Code | 1 | 625 tok |
| duy0699cat/worldquant-brain-mcp Python MCP server for automating WorldQuant BRAIN alpha-research workflows: async API clie | 2 | Claude Code | 2 | — |
| Sathvik-1007/sift-kernel AI forensic reasoning kernel — MCP server bridging LLM agents and DFIR toolchains with evi | 2 | Claude Code | 1 | 1,633 tok |
| MaxWilk/poe2-build-mcp | 2 | Claude Code | 1 | 2,098 tok |
| abrahamADSK/maya-mcp MCP server for Autodesk Maya — scene control, modeling, animation, and I/O with RAG search | 2 | Claude Code | 1 | 7,915 tok |
| SourceShift/osf-mcp-server An MCP (Model Context Protocol) server for interacting with the [Open Science Framework (O | 2 | Claude Code | 1 | 892 tok |
| snow-wind-001/CodeRecoder CodeRecoder: MCP for recode the Code | 2 | Claude Code, Codex, OpenCode | 2 | 1,280 tok |
| t-rhex/obsidian-mcp-server MCP server for Obsidian vaults — direct filesystem access with git sync, wikilinks, and fr | 2 | Claude Code, Codex, OpenCode | 2 | 839 tok |
| rementum/rementum rementum.dev Self-hosted shared memory infrastructure for AI agents with versioned knowledge and confli | 2 | Claude Code, Codex, OpenCode | 2 | 2,174 tok |
| Avinava/sf-documentation-knowledge npmjs.com Salesforce documentation knowledge system — MCP server + Knowledge Graph for AI agents | 2 | Claude Code, Codex | 1 | — |
| cacaview/wsl-mcp An MCP (Model Context Protocol) terminal management server supporting persistent sessions | 2 | Claude Code | 1 | 1,842 tok |
| ambient-code/gps ambient-code.ai GPS — read-only MCP caching tier for org and engineering data | 2 | Claude Code | 4 | — |
| Bonifatius94/myscrape Go port of myscrape — web-research MCP server (web_search/web_fetch/web_research) as a com | 2 | Claude Code | 3 | — |
| aryxnsdfs/token-diet Local token-saving, intelligence-preserving context layer for Claude Code, Cowork, Codex a | 2 | Claude Code | 9 | — |
| thomandretti/ck3-strategy-advisor A local, read-only Model Context Protocol server that reads your latest Crusader Kings III | 2 | Claude Code | 1 | 1,662 tok |
| MikeCase/arcane-mcp arcanemcp.splaq.us MCP server for Docker management via the Arcane API | 2 | Claude Code, Codex, OpenCode | 2 | 2,387 tok |
| oscarjpicazo/spacedata Aggregated public space data (satellite orbits, catalogs, conjunctions, launches) as an AI | 2 | Claude Code, Codex, OpenCode | 2 | 1,594 tok |
| codesknight/AutoCAD-MCP Seamlessly connect AI assistants (Claude, ChatGPT, etc.) to AutoCAD through the Model Cont | 2 | Claude Code | 1 | 796 tok |
| gjjisadog/scipdf-mcp MCP + skill: download academic paper PDFs by DOI/title (one-step install) | 2 | Claude Code, Codex, OpenCode | 2 | 465 tok |
| efranceschetti/festo-codesys-mcp MCP server for Festo/CODESYS PLC engineering — generates IEC 61131-3 Structured Text and v | 2 | Claude Code | 20 | 657 tok |
| p3psi-boo/focalboard-mcp | 2 | Claude Code | 1 | 723 tok |
| zdx8637-gitdog/Xilinx_Vivado_MCP | 2 | Claude Code | 2 | 9,773 tok |
| alexechoi/google-hotels-mcp Google Hotels MCP | 2 | Claude Code, Codex, OpenCode | 2 | 1,438 tok |
| sandraschi/midasheng-gen-mcp MCP server generating coherent 16 kHz mixed audio scenes from text - speech, music, sound | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,231 tok |
| SkiTemplar/ultron-control-center Memoria gobernada, AI Router y orquestacion de skills/agentes para Claude Code — cockpit T | 2 | Claude Code | 1 | 2,309 tok |
| pedrogmbh/whatsmcp Non-official MCP for the Z-API platform (WhatsApp) | 2 | Claude Code, Codex, OpenCode | 2 | 2,356 tok |
| inprimex/otaman-plugin Otaman Claude Code plugin: slash commands, skills, agents, hooks, stdio MCP, launcher scri | 2 | Claude Code | 1 | 756 tok |
| ayushcodes10/echo-mem echo-mem.com Shared memory for AI agents on your own Postgres. The server never calls an LLM to write. | 2 | Claude Code | 11 | — |
| sandraschi/gitee-mcp Gitee (Chinese GitHub) bridge for AI assistants: humming radar & momentum, repo intel, cro | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 7 | 1,808 tok |
| ssmurfgg04-gif/context-m Deterministic agent memory. μ=0. Free, local, forever. Mem0-compatible. | 2 | Claude Code, Codex, OpenCode | 3 | 1,505 tok |
| Patrick-Miles-Z/CAD-CC-Abaqus Automated FEA pipeline: DXF -> Abaqus via MCP protocol | 2 | Claude Code, Codex | 7 | — |
| YakupEmreYerli/mcp-firefly-iii yakupemreyerli.github.io Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped to | 2 | Claude Code, Codex, OpenCode | 2 | 3,976 tok |
| Bigred97/ausdata-mcp-client ausdata.io Official npm MCP client for ausdata.io — 28 tools across 9 AU government data sources | 2 | Claude Code | 3 | 1,756 tok |
| cyanheads/osv-advisory-mcp-server npmjs.com Query OSV.dev for package vulnerabilities, batch-audit dependency lists, and fetch full ad | 2 | Claude Code, Codex, OpenCode | 2 | 13,382 tok |
| cyanheads/uniprot-mcp-server npmjs.com Search UniProtKB by protein function, fetch curated records, map IDs across databases, and | 2 | Claude Code, Codex, OpenCode | 2 | 16,288 tok |
| dundas/thinkrun thinkrun.ai ThinkRun — screen recorder for AI coding agents. Record a bug or session once and hand Cla | 2 | Claude Code | 6 | — |
| cyanheads/noaa-spaceweather-mcp-server npmjs.com Query NOAA SWPC space weather: geomagnetic storm scales, Kp index, aurora forecasts, solar | 2 | Claude Code, Codex, OpenCode | 2 | 12,162 tok |
| cyanheads/openstates-mcp-server npmjs.com Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto | 2 | Claude Code | 1 | 7,743 tok |
| cyanheads/mailchimp-mcp-server npmjs.com Draft, test, and send Mailchimp campaigns straight from your MCP client — with audience ma | 2 | Claude Code, Codex, OpenCode | 2 | 11,932 tok |
| cockroachdb/cursor-plugin CockroachDB development plugin for Cursor | 2 | Claude Code, Codex, OpenCode | 2 | 365 tok |
| bvandevliet/betaflight-mcp npmjs.com MCP server for Betaflight flight controllers, live CLI configuration, and an expert PID tu | 2 | Claude Code | 1 | 2,906 tok |
| prreobby/jw-research-mcp Remote MCP server for deep, traceable research across JW.org and WOL | 2 | Claude Code | 1 | 1,447 tok |
| A1-x-Tech/mcp-google-business t.me MCP server for Google Business Profile — review performance, reply to reviews and publish | 2 | Claude Code | 1 | 2,178 tok |
| Idle-Sync/db-conn-mcp A dead-simple, self-hosted MCP server for safely querying your databases with AI agents (P | 2 | Claude Code, Cursor | 2 | 3,324 tok |
| Terobyte/librarian-cli 📚 Any ebook → clean token-counted Markdown chapters. Let Claude read your bookshelf over | 2 | Claude Code | 1 | 1,724 tok |
| ztemerbekov/a1-yandex-kit-skills t.me Tell the assistant in plain language what should be built in the Yandex KIT store, and it | 2 | Claude Code, Codex, OpenCode | 2 | 1,922 tok |