43,853 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 agents7,784Claude Code6,676Data and AI3,658Backend and APIs3,500Languages3,392Git and workflow3,252Planning3,233Code review2,768Testing2,420Memory and context2,364Writing and docs2,341DevOps and cloud2,330Research2,286Frontend2,271Security2,055Project management1,754
All Claude Code32,000 Codex23,558 OpenCode22,502 GitHub Copilot3,568 Gemini CLI1,915 Cursor1,737 Windsurf150 Kiro87
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| plugin-federation/units-static High-quality static unit conversion MCP server (good-MCP dogfood for Plugin Federation) | 0 | Codex, OpenCode | 1 | 298 tok |
| randyaswin/editor-mcp | 0 | Claude Code, Codex | 1 | — |
| vinihcrosa/gitlab-mcp npmjs.com Servidor MCP para GitLab CE self-hosted — navegue merge requests e faça review inline sem | 0 | Codex, OpenCode | 1 | 5,411 tok |
| edk4971/Ratatoskr-mcp A high-performance MCP server capable of retrieving Wikipedia articles from local multi-st | 0 | Codex, OpenCode | 1 | 1,113 tok |
| newbdez33/freee-mcp Safety-first local freee attendance MCP server and CLI for Codex and Claude Code | 0 | Codex, OpenCode | 1 | 64 tok |
| zarcherlot/q3ds-solidworks-mcp Repository-native SolidWorks semantic MCP, drawing planning, execution service, and Codex | 0 | Codex, OpenCode | 6 | 483 tok |
| plugin-federation/nexus-mcp TypeScript MCP server for Plugin Federation Nexus (GitHub SSO / Actions OIDC, no static Ne | 0 | Codex, OpenCode | 1 | 314 tok |
| Inarus/provgraf W3C PROV knowledge graph on plain Postgres with automatic staleness propagation — a verifi | 0 | Codex, OpenCode | 1 | 887 tok |
| Citlyze/citlyze-mcp citlyze.com Connect AI assistants to Citlyze: MCP server, Gemini CLI extension, and Claude Desktop ext | 0 | Gemini CLI | 1 | 289 tok |
| coco-ari/runbook-bridge Local Agent operations workbench: connect to SSH, MySQL, and Redis by project and environm | 0 | Claude Code, Codex, OpenCode | 3 | 1,454 tok |
| pathofleastresistor/polr-mcp-workout | 0 | Claude Code | 1 | — |
| Mateo-404/gavriel-mcp MCP Server (Model Context Protocol) for Gavriel | 0 | Codex, OpenCode | 1 | 3,011 tok |
| arr-mcps/dashbrr-mcp Model Context Protocol for autobrr/dashbrr | 0 | Codex, OpenCode | 1 | 1,318 tok |
| markus-michalski/wikijs-plugin Claude Code plugin for Wiki.js integration — MCP server + docs-wiki skill | 0 | Claude Code | 1 | 445 tok |
| CoolTea001/cool-test-mcp Cool Test MCP — automated testing MCP server: convert test cases into a fixed JSON templat | 0 | Codex, OpenCode | 1 | 352 tok |
| IH8E/express-cli CLI client for the corporate messenger eXpress. Supports E2E encryption, sending messages, | 0 | Codex, OpenCode | 1 | 5,648 tok |
| Cynthiaflora/mcp | 0 | Claude Code | 2 | — |
| user-ic/vscode_mcp | 0 | GitHub Copilot | 1 | 333 tok |
| danielsuri/garmin-unofficial-mcp | 0 | Claude Code | 1 | 2,374 tok |
| daniel-ddtech/diorama tryadlicio.com Reproducible demo videos for Chrome extensions, recorded from a YAML beat sheet. Agent-ope | 0 | Claude Code | 1 | — |
| dsaewkfiush03-debug/game-dev-resource-mcp License-aware game development resource discovery for AI coding agents via MCP. | 0 | Codex, OpenCode | 1 | 1,404 tok |
| ragubaran/project-advisors-mcp Analyze software architecture, security, REST API, MCP, compliance, and dependencies. | 0 | Claude Code, Codex | 1 | — |
| shahrulestar/hijri-calendar hijri.shahrulestar.com A remote MCP server for the Malaysian Islamic (Hijri) calendar. | 0 | Codex, OpenCode | 1 | 74 tok |
| bitcoinaustria/pretix-agent-mcp MCP server that lets AI agents run a self-hosted pretix instance — without the API credent | 0 | Claude Code, Codex, OpenCode | 3 | 1,788 tok |
| tomiabe/polish tomiabe.github.io Self-hosted UI review for code, copy, and rendered screens. Get weighted 0-100 findings fo | 0 | Codex, OpenCode | 1 | 335 tok |
| EthanDM/tmdb-mcp Local, read-only TMDB MCP server for Codex with movie, TV, and people discovery, advanced | 0 | Codex, OpenCode | 1 | 182 tok |
| EthanDM/strava-mcp Local read-only Strava MCP server for Codex with OAuth token refresh, bounded activity ana | 0 | Codex, OpenCode | 1 | 115 tok |
| EthanDM/youtube-mcp Local YouTube MCP server for Codex with API-key research tools, local PKCE auth, owned-pla | 0 | Codex, OpenCode | 1 | 589 tok |
| ShashankEd/demo-mcp-server This is a very small Model Context Protocol (MCP) example. | 0 | Claude Code, Codex, GitHub Copilot | 3 | 166 tok |
| bartest5/alpacahq_alpaca-mcp-server | 0 | Codex, OpenCode | 1 | 1,528 tok |
| abelvalle/zar-jobs-ai-connector MCP-powered, read-only job connector for Codex and AI assistants | 0 | Codex, OpenCode | 1 | 172 tok |
| arr-mcps/radarr-mcp Model Context Protocol for Radarr/Radarr | 0 | Codex, OpenCode | 1 | 1,427 tok |
| trankhanh040147/chatgpt-mcp Cursor ↔ ChatGPT MCP handoff | 0 | Claude Code, Codex, Cursor, OpenCode | 10 | 1,566 tok |
| arr-mcps/sonarr-mcp Model Context Protocol for Sonarr/Sonarr | 0 | Codex, OpenCode | 1 | 1,418 tok |
| elias-ramzi/ClaudeCyclingMCP Author a structured cycling workout once; render it for MyWhoosh (.zwo) and Garmin Connect | 0 | Claude Code | 3 | 1,150 tok |
| kjoonha/nvim-ui-mcp nvim-ui-mcp lets AI agents **see, interact with, and verify the actual Neovim UI** through | 0 | Claude Code | 1 | 1,487 tok |
| vanamthrishul/ovb3-bridge MCP server + CLI for driving Oracle Visual Builder Studio / VBCS app development from Clau | 0 | Claude Code | 18 | — |
| SomeNewKid/CaesarCipher A Foundry prompt agent which uses an MCP tool to encode a message using a Caesar shift. | 0 | Codex, OpenCode | 1 | 233 tok |
| GSA-TTS/mcp-server-usgs-nationalmap MCP Server for the USGS National Map APIs | 0 | Claude Code, Codex | 2 | — |
| bj-taduran/sendashield Self-hosted MCP server that filters sensitive content out of mail/calendar before it reach | 0 | Claude Code | 1 | 2,805 tok |
| arr-mcps/prowlarr-mcp Model Context Protocol for Prowlarr/Prowlarr | 0 | Codex, OpenCode | 1 | 1,257 tok |
| arr-mcps/seerr-mcp Model Context Protocol for seerr-team/seerr | 0 | Codex, OpenCode | 1 | 1,714 tok |
| jmcneil86043/file-conversion Library, CLI, and MCP server for converting between everyday file formats (CSV/Excel/Markd | 0 | Claude Code | 1 | 463 tok |
| soewal19/eracore-revit-mcp MCP Server for Autodesk Revit — BIM automation via LLM assistants | 0 | Claude Code, Codex, OpenCode | 2 | 4,708 tok |
| henriv/ehr-mcp | 0 | Claude Code | 1 | 1,513 tok |
| martin3000/mcp-server-unifi MCP server that gives AI models read/write access to a UniFi Network Controller (UniFi OS) | 0 | Claude Code | 1 | 3,525 tok |
| Ardaka/cursor-mcp-qa-agent A local MCP server, Cursor Agent rules, and safe reusable QA workflows in TypeScript. | 0 | Codex, OpenCode | 1 | 140 tok |
| shawnro/qbo-mcp shawnro.github.io MCP server for QuickBooks Online - query, create, and edit accounting data with Claude | 0 | Claude Code | 2 | 2,712 tok |
| arr-mcps/lidarr-mcp Model Context Protocol for Lidarr/Lidarr | 0 | Codex, OpenCode | 1 | 1,633 tok |
| briandconnelly/moonbridge Connect your coding agent with Kimi for fresh perspectives, rigorous reviews, and delegate | 0 | Claude Code, Codex, OpenCode | 6 | 3,036 tok |