43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| set2374/notebooklm-mcp-archived [ARCHIVED] Old fork of jacob-bd/notebooklm-mcp. Superseded by notebooklm-mcp-cli unified p | 6 | Claude Code, Gemini CLI | 2 | 2,500 tok |
| yuly3/mcp-snowflake Model Context Protocol (MCP) server for Snowflake database connectivity and SQL query exec | 6 | Codex, OpenCode | 1 | 69 tok |
| hhx465453939/mcp-pubmed-server An MCP tool that enables local agents to efficiently crawl PubMed papers via APIs. | 6 | Claude Code | 1 | 997 tok |
| shimizu/OSM-GeoJSON-MCP-Server An MCP (Model Context Protocol) server for retrieving OpenStreetMap (OSM) data in GeoJSON | 6 | Claude Code | 1 | 3,804 tok |
| gremlin/mcp | 6 | Claude Code | 1 | 176 tok |
| LightspeedDMS/ssh-mcp Dynamic SSH MCP Server - No pre-config, create multiple dynamic persisting sessions and mo | 6 | Claude Code | 1 | 4,027 tok |
| kpeacocke/souschef kpeacocke.github.io AI-powered MCP server for Chef-to-Ansible migration & Ansible upgrades: 48 tools for cookb | 6 | GitHub Copilot | 1 | 5,853 tok |
| dearcloud09/logseq-mcp An MCP server that enables AI to directly read and write your Logseq graph. | 6 | Claude Code | 1 | 120 tok |
| fourcolors/think-tool | 6 | Claude Code | 1 | 475 tok |
| NimbleBrainInc/mcp-folk [Archived] Removed from the mpak registry — no longer maintained. | 6 | Claude Code | 1 | 1,111 tok |
| first3things/optimizely-cms-mcp ftt.ai A Model Context Protocol (MCP) server for Optimizely CMS, providing AI assistants with com | 6 | Claude Code | 1 | 2,566 tok |
| karadhub/jenkins-ai-optimizer Meet the beast of Jenkins MCP with AI-powered diagnostics, and more with Industrial debug | 6 | Claude Code | 1 | 3,078 tok |
| peterbud/nitro-mcp-server MCP (Model Context Protocol) server powered by Nitro | 6 | GitHub Copilot | 1 | 2,069 tok |
| SonicDMG/mcp-game-server | 6 | Claude Code | 1 | 708 tok |
| feamster/paymo-mcp MCP server for Paymo time tracking and invoice management. Enables Claude Desktop to creat | 6 | Claude Code | 1 | — |
| vjik/my-prompts-mcp Lightweight MCP server for providing user prompts defined in Markdown with argument suppor | 6 | Codex, OpenCode | 1 | 64 tok |
| weppa-cloud/material3-mcp-server MCP server for Material 3 design system - provides AI agents with access to components, de | 6 | Claude Code | 6 | — |
| thebtf/netcoredbg-mcp | 6 | Claude Code, Codex, OpenCode | 2 | 3,446 tok |
| koshimazaki/UE-AUDIO-MCP Game audio systems generation via MCP. Wwise + MetaSounds + Blueprint — complete audio wor | 6 | Claude Code | 7 | — |
| marcodavidd020/cerebro-code-memory Persistent code-knowledge memory for AI chats. An MCP server that caches a codebase's stru | 6 | Claude Code | 1 | 1,095 tok |
| GregBaugues/tokenbowl-mcp MCP server for Sleeper Fantasy Sports API | 6 | Claude Code | 15 | 2,532 tok |
| vulpicastor/mcp-device-datetime Simple date and time MCP server depending only on the Python standard library | 6 | Claude Code | 1 | 511 tok |
| chapmanjw/rutherford-mcp-server Give your AI agent a crew. Model Context Protocol (MCP) tool to delegate, consensus build, | 6 | Claude Code, Codex, OpenCode | 2 | 1,994 tok |
| jacedomotz/domotz-mcp-server Connect Claude AI to your Domotz network monitoring platform using the Model Context Proto | 6 | Claude Code | 1 | — |
| x746b/mem_forensics-mcp Unified Memory Forensics MCP Server - Multi-tier engine combining Rust speed with Vol3 cov | 6 | Claude Code | 1 | 1,224 tok |
| daviditkin/ltspice-mcp MCP server for LTspice: run simulations, read waveforms, and analyze circuits from a Claud | 6 | Claude Code | 2 | 2,144 tok |
| Cosmicjedi/windows-admin-mcp MCP Server for Windows Server Administration - Remote troubleshooting via RDP protocol wit | 6 | Claude Code | 1 | 988 tok |
| glassBead-tc/widescreen-research bidirectional MCP server orchestrating an army of research drones on Cloud Run in GCP | 6 | Claude Code | 42 | 2,046 tok |
| Graph-tl/graph Agent-native persistent task graph. MCP server for agent planning and execution across ses | 6 | Claude Code | 3 | 1,011 tok |
| montaguegabe/luma-events-mcp | 6 | Claude Code | 1 | 261 tok |
| hkopenai/hk-climate-mcp-server This is an MCP server that provides access to climate and weather data through a FastMCP i | 6 | Gemini CLI | 1 | 356 tok |
| HelloThisIsFlo/omnifocus-operator An MCP server that exposes OmniFocus to AI agents via the Model Context Protocol (MCP). | 6 | Claude Code, Codex, OpenCode | 12 | 1,533 tok |
| kurcontko/mnemotree Memory module for LLMs and Agents with MCP | 6 | Codex, OpenCode | 1 | 368 tok |
| gpulga/ableton-dj-mcp MCP server for AI-assisted electronic music production in Ableton Live | 6 | Claude Code | 1 | 1,168 tok |
| kamiazya/whiteboard kamiazya-whiteboard.pages.dev An collaborative diagramming MCP tool for AI. Use it to align on specs, architecture, work | 6 | Claude Code, Codex, OpenCode | 43 | 4,106 tok |
| bxxd/mcp-yfinance-ux Market data for AI agents. Bloomberg Terminal-style screens with formatted output. Not raw | 6 | Claude Code | 1 | 6 tok |
| elevend0g/cont3xt Virtual Infinite Context MCP Server | 6 | Claude Code | 1 | 4,738 tok |
| afairai/afair afair.ai The open-source, self-organizing memory for all your AI tools. Single-tenant, yours, over | 6 | Claude Code, Codex, OpenCode | 2 | 8,545 tok |
| MarlonJD/web-debug-mcp Evidence-first local MCP debugger for React, Vite, Next.js, Chromium, and Safari: reproduc | 6 | Codex, OpenCode | 1 | 694 tok |
| AlexMost/neuro-vault Your knowledge in like a USB drive | 6 | Claude Code, Codex, OpenCode | 10 | 715 tok |
| knorq-ai/docx-mcp-server MCP server for reading, editing, formatting, and commenting Word documents | 6 | Claude Code | 1 | 3,376 tok |
| PierfrancescoLijoi/mcp-brain Coding agents forget your repo. mcp-brain is the missing memory layer — repo-aware, team-a | 6 | Claude Code | 1 | 837 tok |
| jschuller/perplexity-mcp npmjs.com An enhanced MCP server for Perplexity AI that allows Claude Desktop and other MCP clients | 6 | Claude Code | 1 | 668 tok |
| recla93/Neuron Persistent semantic memory for AI. An MCP server that turns every conversation into a livi | 6 | Codex, OpenCode | 1 | 667 tok |
| PsychQuant/che-word-mcp Swift-native MCP server for Microsoft Word (.docx) — 233 tools, the first pure-Swift OOXML | 6 | Claude Code | 1 | 731 tok |
| jiahuidegit/ssh-mcp-server SSH MCP Server - A secure remote server management tool based on the MCP protocol | 6 | Codex, OpenCode | 1 | 143 tok |
| cyberpapiii/imessage-max MCP server for iMessage - AI-optimized tools for reading and sending messages | 6 | Claude Code, Codex, OpenCode | 2 | 3,780 tok |
| dvd90/chassis dvd90.github.io Lightweight, decorator-driven Express + TypeScript backend starter — clone, run, ship. AI- | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,829 tok |
| Firstmeridian/llm-sql-safety-executor-mcp A secure database access gateway for AI Agents: Empowering LLM (Agents) with database acce | 6 | Gemini CLI | 1 | 2,263 tok |
| jcode-works/jcode-ragmir ragmir.com Confidential local RAG for your coding agents. | 6 | Claude Code, Codex, OpenCode | 2 | 3,884 tok |