22,224 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717
All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| shawn1905/generation-ship shawn1905.github.io Multi-AI collaborative worldbuilding — a 1000-year future history (2025-3000+) built by ma | 0 | Claude Code, Codex, OpenCode | 2 | 1,772 tok |
| sitegpt/agent-skills | 0 | Codex, Cursor, OpenCode | 2 | 884 tok |
| bouchecousue/logitech-sync-mcp Read-only MCP server for Logitech Sync Cloud API with mTLS, inventory, health, occupancy, | 0 | Codex, OpenCode | 1 | 635 tok |
| sushiHex/hardline-mcp MCP server that lets local Claude Code, Hermes, and Codex agents message each other — dura | 0 | Claude Code, Codex, OpenCode | 2 | 2,265 tok |
| meridian-edge/meridian-edge-mcp meridianedge.io MCP server for prediction market consensus data — 5 tools, free tier | 0 | Codex, OpenCode | 1 | 435 tok |
| tsvillain/deprecation-mcp Free, open MCP server for cross-vendor API/SDK deprecation and breaking-change tracking | 0 | Codex, OpenCode | 1 | 468 tok |
| kiarina/chrome-bridge Operate existing Chrome tabs through a local MCP server and extension | 0 | Claude Code, Codex, OpenCode | 2 | 2,729 tok |
| pixel2012/mcp-database-server MCP server for interacting with SQLite and SQL Server databases by leehoo | 0 | Codex, OpenCode | 1 | 1,821 tok |
| villagertim/universal-mcp-for-openrouter Universal MCP server for OpenRouter API | 0 | Codex, OpenCode | 1 | 330 tok |
| hdyrawan/mcp-endpoint-central MCP server for ManageEngine Endpoint Central (on-premise) REST API | 0 | Codex, OpenCode | 1 | 2,474 tok |
| itsimonfredlingjack/sq-cli-gpt-mcp | 0 | Codex, OpenCode | 1 | 300 tok |
| miguelju/vle-mcp Educational Model Context Protocol server for vle-steam and stages-thermo | 0 | Codex, OpenCode | 1 | 292 tok |
| betterpost/betterpost-plugin Write timely, well-sourced content with the agents you already use — BetterPost skill + MC | 0 | Codex, Gemini CLI, OpenCode | 2 | 3,654 tok |
| ergoveritas1-alt/certscore.ai certscore-ai-web.vercel.app website compliance and regulatory signal scanner | 0 | Codex, OpenCode | 1 | 16,220 tok |
| namekart/nameai_mcp | 0 | Codex, OpenCode | 1 | 651 tok |
| mentu-ai/mentu-navigator Repository navigation & progressive disclosure for AI agents — a locator with pre-register | 0 | Claude Code, Codex, OpenCode | 2 | 543 tok |
| helixbox/pubfi-docs docs.pubfi.ai Public docs, examples, and agent-readable integration guides for PubFi's agent-native cryp | 0 | Codex, OpenCode | 1 | 306 tok |
| Holetron-lab/fleet-memory rcll.ai RCLL — self-hosted shared memory for a team of AI agents. Rooms, hierarchical L0-L3 depth, | 0 | Claude Code, Codex, OpenCode | 3 | 3,016 tok |
| BadRooBot/test_m | 0 | Codex, OpenCode | 1 | 3,412 tok |
| BowenXU0126/aistudio_hw3 Homework3 for aistudio | 0 | Codex, OpenCode | 1 | 4,099 tok |
| JMoak/chrono-mcp Time access and calculations mcp written in typescript available via npx. | 0 | Claude Code, Codex, OpenCode | 2 | 1,583 tok |
| Phionx/mcp-hello-server MCP Hello Server - A simple Model Context Protocol server built with Smithery | 0 | Codex, OpenCode | 1 | 4,099 tok |
| blacklotusdev8/test_m | 0 | Codex, OpenCode | 1 | 3,412 tok |
| callmybot/domoticz | 0 | Codex, OpenCode | 1 | 3,862 tok |
| callmybot/hello-mcp-server | 0 | Codex, OpenCode | 1 | 3,862 tok |
| dsharipova/mcp-hw | 0 | Codex, OpenCode | 1 | 4,099 tok |
| jenniferjiang0511/MIT-AI-studio-HW3 MCP server | 0 | Codex, OpenCode | 1 | 4,099 tok |
| miguelgarzons/mcp-cun | 0 | Codex, OpenCode | 1 | 3,412 tok |
| rfdez/pvpc-mcp-server esios.ree.es Retrieve daily PVPC electricity tariffs for 2.0 TD consumers, published by Red Eléctrica. | 0 | Codex, OpenCode | 1 | 538 tok |
| shoumikdc/arXiv-mcp smithery.ai A Model Context Protocol (MCP) server to fetch the latest research papers posted to the ar | 0 | Codex, OpenCode | 1 | 4,099 tok |
| szge/lolwiki-mcp This is an MCP server that directly fetches from the LoL wiki for always up-to-date stats | 0 | Codex, OpenCode | 1 | 4,420 tok |
| jkanselaar/python-code-validator api.statemind.ai Validate, repair and sandbox-run AI-generated Python. | 0 | Codex, Gemini CLI, OpenCode | 2 | 1,341 tok |
| w8s/w8s-astro-mcp Personal astrological MCP server — natal charts, transits, aspect analysis, composite & Da | 0 | Codex, OpenCode | 1 | 1,664 tok |
| whitestone1121-web/signalbrain Trust layer for governed software changes: executable receipts, objective re-scoring, cali | 0 | Codex, OpenCode | 1 | 415 tok |
| dotts-h/twiceshy twiceshy.app Once bitten, twice shy — a shared memory of validated engineering traps, dead-ends and fix | 0 | Claude Code, Codex, OpenCode | 6 | 872 tok |
| capitalthought/yeehaw-mcp Agent-first Austin events concierge — public MCP server (find_events, overview) at yeehaw. | 0 | Codex, OpenCode | 1 | 704 tok |
| shahdadk/swiftsign | 0 | Claude Code, Codex, OpenCode | 2 | 1,675 tok |
| webhook-co/webhook webhook.co Capture, inspect, replay and deliver webhooks. Open source, with a free permanent signed U | 0 | Claude Code, Codex, Cursor, OpenCode | 25 | 2,669 tok |
| aicontentdrop/aicontentdrop Official CLI and agent toolkit for AI Content Drop (aicontentdrop.com) — AI video generati | 0 | Codex, OpenCode | 1 | 904 tok |
| timememe/woclub worldorder.club Shared persistent voxel world for AI agents to build in over HTTP or MCP | 0 | Codex, OpenCode | 1 | 157 tok |
| averray-agent/agent averray.com Agent-native work rail on Polkadot Hub: escrowed USDC bounties, machine-readable onboardin | 0 | Codex, OpenCode | 1 | 2,777 tok |
| chenyuan35/aineedhelpfromotherai aineedhelpfromotherai.com Failure intelligence and shared debugging memory for AI coding agents | 0 | Claude Code, Codex, OpenCode | 8 | 1,730 tok |
| Considus/pagespeed-insights-mcp considus.com Local MCP server and CLI for Google PageSpeed Insights. Reports the median of several DIST | 0 | Codex, OpenCode | 1 | 1,097 tok |
| convexvalue/cvforge-docs | 0 | Codex, OpenCode | 1 | 368 tok |
| DOOMSCROLLR/mcp mcp.doomscrollr.com MCP server for DOOMSCROLLR — let AI agents build owned-audience websites, storefronts, new | 0 | Claude Code, Codex, OpenCode | 2 | 832 tok |
| dribbaengineering/dribba dribba.com Official SDK, CLI, MCP server and agent skills for the Dribba public API — no API key requ | 0 | Codex, OpenCode | 1 | 1,297 tok |
| zNetinho/plugin-sentinel-mcp | 0 | Codex, Cursor, OpenCode | 2 | 623 tok |
| lightbringer-patents/claude-plugin Lightbringer Plugin for Claude | 0 | Claude Code, Codex, OpenCode | 2 | 586 tok |
| lightbringer-patents/mcp-connector Details about the Lightbringer MCP Connector | 0 | Claude Code, Codex, OpenCode | 2 | 586 tok |
| luthersystems/insideout-agent-skills InsideOut -- AI cloud infrastructure skill for Claude Code, Cursor, Kiro, and 30+ tools | 0 | Codex, OpenCode | 1 | 1,155 tok |