43,750 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 |
| winccoa-tools-pack/vscode-winccoa-mcp-server WinCC OA MCP Server - VS Code extension providing Model Context Protocol integration for W | 2 | GitHub Copilot | 1 | 4,213 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 |
| jpantsjoha/pinescript-plugin jpantsjoha.com Pine Script v6 skills and MCP tooling for coding agents — backed by a real validator, not | 2 | Codex, Gemini CLI, OpenCode | 2 | 627 tok |
| EventRegistry/newsapi-mcp npmjs.com NewsAPI.ai MCP server | 2 | Claude Code | 1 | 625 tok |
| shayanline/msloop-mcp MCP server for Microsoft Loop. No app registration required, reuses your existing Loop web | 2 | Codex, OpenCode | 1 | 1,341 tok |
| linxxcat000/autodoubao Local Windows MCP bridge that automates Doubao web image generation for Codex, Hermes Agen | 2 | Codex, OpenCode | 1 | 667 tok |
| duy0699cat/worldquant-brain-mcp Python MCP server for automating WorldQuant BRAIN alpha-research workflows: async API clie | 2 | Claude Code | 2 | — |
| davidsolheim/grok-chrome-bridge Chrome extension that lets Grok Build attach to the profile you mark Active. | 2 | Codex, OpenCode | 1 | 152 tok |
| 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 |
| postalform/agent-mail-mcp postalform.com Send physical mail from an AI agent. An open MCP server for agent-payable mail - print and | 2 | Codex, OpenCode | 1 | 279 tok |
| MaxWilk/poe2-build-mcp | 2 | Claude Code | 1 | 2,098 tok |
| babybuddy/babybuddy-mcp | 2 | Codex, OpenCode | 1 | 1,227 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 |
| MaoBui2907/vnstock-mcp-server pypi.org An unofficial MCP (Model Context Protocol) server that provides tools to access Vietnam st | 2 | Cursor | 1 | — |
| 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 |
| vexxhost/microsoft-todo-mcp-server | 2 | GitHub Copilot | 1 | 43 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 |
| JorgeSintes/puregym-mcp | 2 | Codex, OpenCode | 1 | 768 tok |
| GWLlosa/elite-dangerous-local-ai-tie-in-mcp Model Context Protocol server for Elite Dangerous integration with Claude Desktop and EDCo | 2 | Codex, Cursor, OpenCode | 2 | 2,201 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 |
| YuJunWang/104-job-hunter-mcp A job search automation tool that enables AI assistants to directly operate 104 Job Bank t | 2 | Codex, OpenCode | 1 | 2,188 tok |
| TresorAlad/Software-Factory-MCP Turn Cursor into a local software factory: 10 MCP agents (architect, QA, security...) | 2 | Codex, OpenCode | 1 | 521 tok |
| MALeitch/live-ketcher-mcp MCP server connecting AI assistants to a live Ketcher structure editor (open-source ChemDr | 2 | Codex, OpenCode | 1 | 3,063 tok |
| grglzrv/jenkins-mcp-server Secure-by-design Jenkins MCP server with runtime guardrails. Minibridge integration for Re | 2 | Codex, OpenCode | 1 | 35 tok |
| zdx8637-gitdog/Xilinx_Vivado_MCP | 2 | Claude Code | 2 | 9,773 tok |
| mirsella/context7-account-broker context7.com Quota-aware Context7 MCP broker with multi-account routing, caching, affinity, failover, a | 2 | Codex, OpenCode | 1 | 65 tok |
| padzup/linkavista-mcp | 2 | Codex, OpenCode | 1 | 360 tok |
| alexechoi/google-hotels-mcp Google Hotels MCP | 2 | Claude Code, Codex, OpenCode | 2 | 1,438 tok |
| Joe15935/ios-agent-bridge An open-source control plane that gives Codex and other MCP agents hands on a real iPhone. | 2 | Codex, OpenCode | 2 | 443 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 | — |