24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mezotv/proofdrop skills.sh Small HTTP MCP server that lets agents drop temporary public review proofs into Neon stora | 3 | Claude Code, Codex | 2 | — |
| sandraschi/database-operations-mcp MCP server and webapp for database operations with 15 portmanteau tools supporting SQLite, | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 1,472 tok |
| rc4l/ZandronumMCP Experimental MCP Server for Zandronum. Speeds up modding and engine development. | 3 | Codex, OpenCode | 1 | 86 tok |
| handaas/industry-chain-mcp-server Industry chain analysis MCP service | 3 | Codex, OpenCode | 1 | 2,319 tok |
| cooky-dance/devspace-local-artifacts Privacy-conscious DevSpace MCP with safe Windows and Base64 artifact writes plus ngrok set | 3 | Codex, OpenCode | 1 | 351 tok |
| openhonest/umbra slopaudit.org Umbra: an apophatic code auditor that reports what your tests are structurally unable to s | 3 | Codex, OpenCode | 1 | 2,438 tok |
| vecbase-labs/OpenShelf A generic MCP server for building and querying local PDF knowledge bases with DuckDB-backe | 3 | Codex, OpenCode | 1 | 523 tok |
| sandraschi/comfyops-mcp Fastmcp server and webapp for handling comfy (which is famously non-comfy) | 3 | Claude Code, Codex, Cursor, OpenCode, Windsurf | 4 | 1,045 tok |
| axelfreeman/gymcamanalytics gymcamanalytics.com MCP server: gym attendance & trainer analytics from existing cameras | 3 | Codex, OpenCode | 1 | 326 tok |
| Ciltress/sap-abap-mcp SAP ABAP MCP with ADT and JSON RPC - Multiple Authentication Methods | 3 | Codex, OpenCode | 1 | 3,641 tok |
| Suzu-Testing/metasploit-cursor-harness Agentic penetration testing harness bridging Cursor AI agents with Metasploit Framework vi | 3 | Claude Code, Codex, Cursor, OpenCode | 63 | 2,469 tok |
| ieeecsopen/mcp-cs npmjs.com IEEE Computer Society Universal Developer Operations, Diagnostics & AlgoJudge Competitive | 3 | Claude Code, Codex | 30 | — |
| Sou0327/knowmint knowmint.shop Knowledge marketplace where AI agents autonomously buy human expertise | 3 | Claude Code, Codex, OpenCode | 2 | 2,710 tok |
| 17861102832/wanyimem Created to serve the general public | 3 | Codex, OpenCode | 1 | 330 tok |
| SylphxAI/video-reader-mcp Cue — local-first video timeline evidence for agents: probe, subtitles, scenes, frames. SD | 3 | Codex, OpenCode | 1 | 390 tok |
| cyanheads/worldbank-mcp-server npmjs.com Query 29,500+ World Bank development indicators for 200+ countries across 60+ years via MC | 3 | Claude Code, Codex, OpenCode | 2 | 16,312 tok |
| mcp-gtw/demo-game Multiplayer, MCP-controlled action game built on mcp-gtw. | 3 | Claude Code, Codex, OpenCode | 2 | 11,360 tok |
| SiamAlSobari/mnemo-agent-memory High-precision persistent memory & knowledge graph engine for AI coding agents via Model C | 3 | Claude Code, Codex | 4 | — |
| cyanheads/wikidata-mcp-server npmjs.com Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifie | 3 | Claude Code, Codex, OpenCode | 2 | 14,638 tok |
| HighVoltSound/ableton-auto-mix-mcp MCP server for AI-driven auto-mixing and auto-mastering in Ableton Live, tuned to a music | 3 | Codex, OpenCode | 1 | 89 tok |
| craigjmidwinter/mail-muncher craigjmidwinter.github.io An email client for AI agents. Filtered, read-only Gmail delivered to disk as .eml + markd | 3 | Claude Code, Codex, OpenCode | 2 | 1,325 tok |
| benedya/octoquery Let AI agents query your databases safely: each DB becomes an MCP tool, each schema a skil | 3 | Claude Code, Codex, OpenCode | 5 | 671 tok |
| mclaut/ariadne mclaut.github.io Local-first multilingual memory for Codex, Claude Code and MCP. Go + Qdrant + bge-m3, proj | 3 | Claude Code, Codex, OpenCode | 2 | 2,105 tok |
| LionelHuanSi/awesome-ai-agent-skills | 3 | Claude Code, Codex | 8 | — |
| agent-frontier/wgm Agent Skill — turn a rough request into working software (grill → plan → Ralph loop) | 3 | Claude Code, Codex, OpenCode | 13 | 314 tok |
| catalyst-cooperative/agent-skills Coding agent skills designed to help users work with PUDL data and the PUDL data processin | 3 | Claude Code, Codex, OpenCode | 2 | 3,628 tok |
| lyarwood/kubevirt-mcp-server A simple Model Context Protocol server for KubeVirt | 3 | Codex, OpenCode | 1 | 1,239 tok |
| nklisch/krometrail krometrail.dev Local browser control and temporal visual evidence for AI agents — an MCP server that driv | 3 | Claude Code, Codex, OpenCode | 4 | 12 tok |
| thousandeyes/thousandeyes-ai-agents-toolkit ThousandEyes AI Agents Toolkit | 3 | Codex, OpenCode | 1 | 1,186 tok |
| mishanefedov/skill-issue | 3 | Codex, OpenCode | 1 | 565 tok |
| IngeniousIdiocy/Consumer-Complaint-Database-MCP This is a local Model Context Protocol (MCP) python server meant to be used with Anthropic | 3 | Codex, OpenCode | 1 | 205 tok |
| proggarapsody/bitbottle proggarapsody.github.io Bitbucket CLI for Cloud and Server/Data Center — gh-style pull requests, repositories, pip | 3 | Claude Code, Codex, OpenCode | 28 | 2,422 tok |
| patrickporto/desktop-agent | 3 | Codex, OpenCode | 1 | 143 tok |
| vltansky/explain-changes-mcp | 3 | Claude Code, Codex, OpenCode | 2 | 699 tok |
| StealthSurf-VPN/mcp mcp.stealthsurf.space Stateless MCP proxy for the StealthSurf VPN API. Enables AI agents (Claude Desktop, Cursor | 3 | Codex, OpenCode | 1 | 1,414 tok |
| anhnguyen0905/codex-mcp | 3 | Claude Code, Codex, OpenCode | 3 | 1,015 tok |
| smallpinksquare/codex-history-hub A local-first, source-read-only aggregator for Codex conversations. It indexes one or more | 3 | Codex, OpenCode | 1 | 244 tok |
| ljy9303/maplestory-mcp-server Nexon openAPI Maplestory mcp server | 3 | Claude Code, Codex, OpenCode | 2 | 6,508 tok |
| clay-good/roughlogic.com roughlogic.com Always free field math and reference for the trades. | 3 | Claude Code, Codex, OpenCode | 2 | 1,333 tok |
| Doist/twist-ai The tools required for a Twist MCP server | 3 | Codex, OpenCode | 1 | 419 tok |
| BASIC-BIT/vrchat-mcp MCP server for VRChat friends, worlds, groups, events, notifications, and VRCX history. | 3 | Codex, OpenCode | 1 | 1,669 tok |
| sandraschi/civitai-mcp FastMCP bridge for Civitai: search and download checkpoints/LoRAs into a ComfyUI-compatibl | 3 | Claude Code, Codex, OpenCode | 2 | 512 tok |
| MCLifeLeader/seq-mcp Seq Open Telemetry MCP Server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 9,462 tok |
| TianLin0509/SuperRAN A wireless simulation channel depot for Agents: an MCP service providing standardized chan | 3 | Claude Code, Codex, OpenCode | 2 | 37,924 tok |
| richardofortune/tyrekick Feedback loop for AI-built prototypes: reviewers pin comments on the live page; your codin | 3 | Codex, OpenCode | 1 | 2,767 tok |
| Grinv/mal-mcp npmjs.com MyAnimeList MCP server — Tenrai-powered reads plus official MAL personal-list management. | 3 | Claude Code, Codex, OpenCode | 10 | 3,625 tok |
| 0xSardius/solenrich solenrich.com Onchain intelligence API for Solana AI agents. 50 pay-per-call x402 endpoints (USDC on Sol | 3 | Claude Code, Codex, OpenCode | 4 | 2,101 tok |
| Nosmoht/talos-mcp-server MCP server for Talos Linux cluster management via the native gRPC API | 3 | Claude Code, Codex, OpenCode | 18 | 9,678 tok |
| MuhDur/plsql-intelligence durakovic.ai Offline, package-aware Oracle PL/SQL code intelligence in Rust — change impact, dependency | 3 | Codex, OpenCode | 1 | 3,738 tok |
| ObscuritySRL/umbriel Drive and inspect a whole Windows machine from Bun — apps, windows, input, screen, OCR, re | 3 | Claude Code, Codex, OpenCode | 2 | 3,461 tok |