23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| MALeitch/live-ketcher-mcp MCP server connecting AI assistants to a live Ketcher structure editor (open-source ChemDr | 3 | Codex, OpenCode | 1 | 3,063 tok |
| erikvankempen/bukio-cli agentic.bukio.nl Agent-first double-entry bookkeeping for SMEs — 31 jurisdictions, Peppol BIS 3.0 ready, lo | 3 | Codex, OpenCode | 1 | 25,056 tok |
| rookie136/bg-tasks-mcp MCP server for background task management in AI coding agents. Start, monitor, and stop de | 3 | Codex, OpenCode | 1 | 410 tok |
| vintik100/bunbrowser Ultra-fast, zero-download Model Context Protocol (MCP) server for browser automation, powe | 3 | Codex, OpenCode | 1 | 1,008 tok |
| arr-mcps/qbittorrent-mcp Model Context Protocol for qbittorrent/qBittorrent | 3 | Codex, OpenCode | 1 | 1,464 tok |
| adsagents/adsagent-ai-skills adsagent.md AdsAgent hosted MCP for Meta, Google Ads & TikTok — public Chatgpt/Claude/Cursor/Grok skil | 3 | Codex, OpenCode | 1 | 454 tok |
| Lazynext-Platform/lazynext lazynext.com Lazynext — The Autonomous Company Operating System. You set the direction; a 12-role AI ag | 3 | Claude Code, Codex, OpenCode | 9 | 29,905 tok |
| Arnon-hs/atlasrepo-mcp AtlasRepo MCP — public read-only connector for evidence-backed open-source catalog recomme | 3 | Codex, OpenCode | 1 | 129 tok |
| zdrjson/thinking-prompts-skill zdrjson.github.io 12 thinking prompts in English & 中文 — ask, learn, solve, decide, know yourself. Web + MCP | 3 | Codex, OpenCode | 1 | 1,796 tok |
| hawkixs/brain-v42 Persistent memory for coding agents over MCP — typed knowledge, semantic search, session l | 3 | Claude Code, Codex, OpenCode | 3 | 10,480 tok |
| Kargatharaakash/grok-bot-mcp MCP server for Grok Bot — let any AI agent control your bots: create, message, read transc | 3 | Codex, OpenCode | 1 | 818 tok |
| ar-agents/ar-agents ar-agents.ar Open infrastructure for Argentina's sociedades de IA (AI-operated companies, draft General | 3 | Claude Code, Codex, OpenCode | 2 | 253 tok |
| YakupEmreYerli/mcp-firefly-iii yakupemreyerli.github.io Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped to | 3 | Claude Code, Codex, OpenCode | 2 | 3,976 tok |
| cyanheads/tmdb-mcp-server npmjs.com Search movies, TV, and people on The Movie Database (TMDB) — credits, ratings, trailers, i | 3 | Claude Code, Codex, OpenCode | 2 | 16,064 tok |
| cyanheads/seerr-mcp-server npmjs.com Search Jellyseerr/Overseerr, check availability, and create guarded media requests via MCP | 3 | Claude Code, Codex, OpenCode | 2 | 17,842 tok |
| cyanheads/reliefweb-mcp-server npmjs.com Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via | 3 | Claude Code, Codex, OpenCode | 2 | 15,444 tok |
| cyanheads/sanctions-screening-mcp-server npmjs.com Screen names against the consolidated OFAC, EU, UK, and UN sanctions lists and resolve leg | 3 | Claude Code, Codex, OpenCode | 2 | 20,422 tok |
| cyanheads/usgs-water-mcp-server npmjs.com Query real-time and historical water data from ~8,000 USGS stream gages and groundwater we | 3 | Claude Code, Codex, OpenCode | 2 | 12,658 tok |
| cyanheads/noaa-marine-mcp-server npmjs.com Find NOAA tide stations and NDBC buoys, fetch tide predictions, water levels, tidal curren | 3 | Claude Code, Codex, OpenCode | 2 | 17,760 tok |
| cyanheads/attack-surface-mcp-server npmjs.com Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS | 3 | Claude Code, Codex, OpenCode | 2 | 17,564 tok |
| cyanheads/national-parks-mcp-server npmjs.com Plan US National Park Service trips — find parks, check alerts and closures, find campgrou | 3 | Claude Code, Codex, OpenCode | 2 | 16,356 tok |
| cyanheads/nhtsa-vehicle-safety-mcp-server npmjs.com Decode VINs, search recalls, complaints, crash ratings, and investigations via MCP. STDIO | 3 | Claude Code, Codex, OpenCode | 2 | 15,698 tok |
| sandraschi/leanforge-mcp Lean theorem prover MCP: automated proof search, mathlib integration, job management | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 3,048 tok |
| sushiHex/hardline-mcp MCP server that lets local Claude Code, Codex, and Hermes agents message and delegate to e | 3 | Claude Code, Codex, OpenCode | 2 | 4,851 tok |
| Melvynx/lumail-skills lumail.io Lumail agent skills, MCP plugins, and setup docs for AI-native email marketing | 3 | Codex, OpenCode | 1 | 263 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 | 3 | Claude Code, Codex, OpenCode | 2 | 1,922 tok |
| nublson/purl purl.live A home for your pearls | 3 | Claude Code, Codex, OpenCode | 2 | 36,860 tok |
| olgasafonova/productplan-mcp-server MCP server for ProductPlan - enables AI assistants to interact with roadmaps, OKRs, and di | 3 | Claude Code, Codex, OpenCode | 5 | 1,247 tok |
| r3dz4r/datapulse-my data-pulse.my Open-source trust & interoperability layer for Malaysian public data: freshness monitoring | 3 | Claude Code, Codex, OpenCode | 2 | 3,314 tok |
| taux-io/twse-mcp MCP server for Taiwan Stock Exchange (TWSE) open data — Taiwan stock data assistant: lets | 3 | Claude Code, Codex, OpenCode | 2 | 2,677 tok |
| yclenove/mysql-mcp-server A Node.js-based MySQL MCP (Model Context Protocol) server that supports operating MySQL da | 3 | Codex, OpenCode | 1 | 330 tok |
| beejsbj/melograph melograph-swart.vercel.app Turn a hummed melody into an inspectable pitch contour, editable notes, and Strudel code. | 3 | Codex, OpenCode | 1 | 250 tok |
| tolmachov/mcp-telegram MCP server for Telegram: read, search, send and summarize messages, manage chats and folde | 3 | Codex, OpenCode | 1 | 1,359 tok |
| buYoung/mcp | 3 | Claude Code, Codex, OpenCode | 2 | 868 tok |
| mokhtarabadi/blowsh-mcp Model Context Protocol (MCP) server for terminal-based, JS-capable web browsing via Browsh | 3 | Codex, OpenCode | 1 | 3,390 tok |
| vohongtho/code-intel-platform | 3 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode, Windsurf | 44 | 9,599 tok |
| ralforion/orionbelt-semantic-layer-mcp ralforion.com MCP server for the OrionBelt Semantic Layer. Enables LLMs to explore semantic models, comp | 3 | Claude Code, Codex, OpenCode | 2 | 1,763 tok |
| whoamiTM/bi-mcp MCP server for Blue Iris NVR — exposes the Blue Iris JSON API and .reg config to LLM age | 3 | Claude Code, Codex, OpenCode | 4 | 9,704 tok |
| rex/mcp-apple-reminders MCP server for Apple Reminders. Full CRUD via EventKit, no shortcuts hacks. | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 26 | 3,552 tok |
| hickeroar/msteams-mcp MCP server for Microsoft Teams — search, message, and manage chats with browser-session au | 3 | Codex, OpenCode | 1 | 6,925 tok |
| LVTD-LLC/pgsandbox pgsandbox.dev Agent-facing MCP for disposable Postgres experimentation databases | 3 | Claude Code, Codex, OpenCode | 2 | 1,576 tok |
| DeepBlueCoding/mcp-replay-dota2 MCP server for parsing dota2 replay .dem files | 3 | Claude Code, Codex, OpenCode | 7 | 3,253 tok |
| dynmie/foolfuuka-mcp-server MCP server for querying 4chan archives via the FoolFuuka API | 3 | Claude Code, OpenCode | 10 | — |
| robotto-xyz/ai-drone-toolkit robotto.xyz AI Drone Toolkit - MCP servers and tools for intelligent drone development (PX4 and beyond | 3 | Codex, OpenCode | 1 | 3,816 tok |
| mbe24/zaungast mbe24.github.io zaungast is a read-only, offline MCP server for Teams: search chats, read conversations, s | 3 | Codex, OpenCode | 1 | 932 tok |
| CleanCod3Systems/creator-research-mcp | 3 | Claude Code, Codex, OpenCode | 3 | 1,782 tok |
| semantic-rails/semantic-rails semantic-rails.com The agentic semantic layer: governed Query IR, explainable plans, and MCP for analytics ag | 3 | Codex, OpenCode | 1 | 73 tok |
| Ador-able/tripo-studio-mcp | 3 | Codex, OpenCode | 1 | 695 tok |
| 1942293420/Evolvmem_MCP A memory management MCP with a vector database | 3 | Codex, OpenCode | 1 | 1,282 tok |
| brandon-fryslie/room-eq-wizard-mcp MCP server for Room EQ Wizard — AI-driven room measurement and EQ workflows | 3 | Claude Code, Codex, OpenCode | 3 | 200 tok |