23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| resolve-ai-oss/resolve-ai-plugins | 4 | Claude Code, Codex, OpenCode | 2 | 1,016 tok |
| vishalsachdev/claude-code-skills Professional skills for Claude Code following the Agent Skills open specification | 4 | Codex, OpenCode | 1 | 471 tok |
| donnfelker/donnfelker-plugin-marketplace | 4 | Claude Code, Codex, OpenCode | 2 | 2,124 tok |
| nickytonline/pimp-my-ride-mcp An MCP server that allows you to configure a car | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,846 tok |
| ythalorossy/openfda | 4 | Claude Code, Codex, OpenCode | 2 | 13,347 tok |
| johnnyzhoujz/pin-it-public justpinit.xyz A local Mac pinboard for saving anything you want to reuse with any AI. | 4 | Claude Code, Codex, OpenCode | 2 | 510 tok |
| foundry-works/foundry-mcp foundry-mcp | 4 | Claude Code, Codex, OpenCode | 2 | 4,413 tok |
| EoinFalconer/granola-mcp-server | 4 | Codex, OpenCode | 1 | 1,465 tok |
| jweingardt12/BaseClaw jweingardt12.github.io Win your fantasy league, with the help of AI. Allows for Claude/OpenClaw management of you | 4 | Claude Code, Codex, OpenCode | 2 | 4,647 tok |
| manojbajaj95/agent-knowledge-cards Filesystem-first knowledge cards for coding agents; durable facts as trusted memory. Save | 4 | Codex, OpenCode | 1 | 879 tok |
| marcusquinn/quickfile-mcp MCP server for QuickFile UK accounting software - invoices, clients, purchases, banking, a | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 867 tok |
| prikotov/moex-mcp-server | 4 | Codex, OpenCode | 1 | 346 tok |
| AgiMaulana/HuaweiAppGalleryMcp | 4 | Codex, OpenCode | 2 | 581 tok |
| bmdhodl/agent47 agentguard47.com Python runtime checks for AI agents: budgets, loops, retries, and local traces. Zero runti | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 6,645 tok |
| cyanheads/openfda-mcp-server npmjs.com Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP. | 4 | Claude Code, Codex, OpenCode | 2 | 16,122 tok |
| AdelElo13/neuromcp npmjs.com Semantic memory for AI agents — local-first MCP server with hybrid search, governance, and | 4 | Claude Code, Codex, OpenCode | 2 | 1,832 tok |
| davidmosiah/google-ads-mcp-unofficial npmjs.com Unofficial MCP server for Google Ads — campaign management, keyword/bid optimization, budg | 4 | Codex, OpenCode | 1 | 851 tok |
| GifariKemal/argus-web-mcp Argus — SURIOTA self-hosted web fetch/scrape/search MCP (20 tools, unlimited, owned). Repl | 4 | Claude Code, Codex, OpenCode | 2 | 3,820 tok |
| Digital-Defiance/ai-capabilities-suite digital-defiance.github.io Give AI agents superpowers with MCP servers for capabilities they've never had before. | 4 | Codex, OpenCode | 1 | 105 tok |
| phishark-git/phishark-playwright-mcp Playwright MCP with PhiShark preflight and browser-deep protection | 4 | Claude Code, Codex, OpenCode | 2 | 643 tok |
| larsbaunwall/Unlinked Bring your LinkedIn professional profile into AI assistants | 4 | Claude Code, Codex, OpenCode | 5 | 2,615 tok |
| dinglebear-ai/cortex npmjs.com Rust MCP/HTTP log aggregation platform for homelab syslog, Docker logs, OTLP ingest, SQLit | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 1,672 tok |
| dinglebear-ai/rarcane npmjs.com Rust MCP server and CLI for Arcane Docker/container management, with action-dispatched too | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,903 tok |
| Arjun0606/smolanalytics smolanalytics.com End-to-end tests without test code. Write one sentence, an agent drives a real browser on | 4 | Codex, OpenCode | 1 | 530 tok |
| Ask-812/oswright MCP server for Windows desktop automation. Incremental perception instead of a screenshot | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,604 tok |
| PrintrFi/printr-mcp printrfi.github.io Printr mcp server for AI agents | 4 | Claude Code, Codex, OpenCode | 5 | 923 tok |
| ShinyDapps/l402-kit shinydapps-api.vercel.app The simplest way to charge for your API in Bitcoin sats. 3 lines of code. TypeScript + Pyt | 4 | Claude Code, Codex, OpenCode | 2 | 3,297 tok |
| WhenLabs-org/when Six tools. One install. The WhenLabs developer toolkit. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,498 tok |
| Apomera/AlloFlow apomera.github.io AI-powered instructional differentiation engine that runs in Gemini canvas preview mode. A | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 1,842 tok |
| Bortlesboat/bitcoin-mcp 50 standard Bitcoin tools for MCP agents, with 6 prompts and 8 resources. Uses a local nod | 4 | Codex, GitHub Copilot, OpenCode | 2 | 863 tok |
| MuhDur/oraclemcp durakovic.ai Safe-by-default Oracle Database MCP server, in pure Rust — fail-closed SQL guard, engine-f | 4 | Codex, OpenCode | 1 | 3,892 tok |
| cyanheads/crossref-mcp-server npmjs.com Resolve DOIs, search ~188M scholarly works, and fetch references via the Crossref REST API | 4 | Claude Code, Codex, OpenCode | 2 | 20,436 tok |
| cyanheads/brapi-mcp-server npmjs.com A collaborative BrAPI v2.1 workspace for multi-agent research via MCP. Search studies, ger | 4 | Claude Code, Codex, OpenCode | 2 | 21,104 tok |
| lucasmella-stack/misMEM Memoria persistente cooperativa para LLMs: una SQLite + MCP. Tres capas (episodios → recue | 4 | Claude Code, Codex, OpenCode | 2 | 5,962 tok |
| edithatogo/mchs edithatogo.github.io Software tools for IHACPA National Weighted Activity Unit microcosting and health-service | 4 | Codex, OpenCode | 1 | 86 tok |
| josesepulvedapino/zahori npmjs.com Find the media stream behind any web page: browser-driven HLS/DASH/MP4 resolution with lea | 4 | Codex, OpenCode | 1 | 421 tok |
| kozmos-tech/inhalt inhalt.tech MCP-native headless CMS with typed schemas, drafts, and a clean read API. | 4 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| rn-devtools-hub/rn-devtools-hub rn-devtools-hub.github.io The agent runtime for React Native and Expo: an MCP server that sees the app the way React | 4 | Claude Code, Codex, OpenCode | 4 | 4,962 tok |
| warwickwood-cell/gengeo-agent-registry gengeo.co Machine-readable merchant verification infrastructure for AI shopping agents and agentic c | 4 | Codex, OpenCode | 1 | 142 tok |
| totonga/odsbox-jaquel-mcp MCP server to work with odsbox to access ASAM ODS HTTP API. | 4 | Codex, OpenCode | 1 | 63 tok |
| mrgnfndr-dr/mind-clone Turn any public author into a grounded AI clone you can ask. Built from their public conte | 4 | Codex, OpenCode | 1 | 1,747 tok |
| ivuorinen/skills Nitpicker — a hostile audit toolkit for coding agents. One skill, one entry point, a full | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 6,117 tok |
| tasktimepro/tasktime tasktime.pro Agent-ready local-first tasks, time tracking, expenses, and invoicing for freelancers. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 4,827 tok |
| emaballarin/ccplugins ✨ Personal plugins for Claude Code (& friends)... maybe worth sharing! | 4 | Claude Code, Codex, OpenCode | 2 | 141 tok |
| stealth-factory/skills Agent skills we use daily in the studio — reusable, on-demand context for Claude Code, Cur | 4 | Claude Code, Codex, OpenCode | 2 | 3,028 tok |
| dbhq-uk/legwork-skill skills.dbhq.uk Decision-research skill for Claude Code and Codex - every claim states how well it is supp | 4 | Claude Code, Codex, OpenCode | 1 | 2,234 tok |
| JZKK720/cubecloud-skills-bundle-kit One-command setup for a full VS Code Copilot Chat agent-skills stack on Windows - 254 bund | 4 | Codex, GitHub Copilot, OpenCode | 2 | 2,817 tok |
| gaia-research/gaia-skill-heaven gaia-research.github.io Skill Heaven -- for real software engineers. Agent Plugin that treats your skills like RAM | 4 | Claude Code, Codex, OpenCode | 2 | 4,444 tok |
| obeone/claude-skills 🧠 Modular skills for autonomous AI agents. Production-ready Docker & Kubernetes tooling w | 4 | Codex, OpenCode | 1 | 1,960 tok |
| patriarchal-boothose896/notebooklm-py Provide full Python API access to NotebookLM features, including advanced functions beyond | 4 | Claude Code, Codex, OpenCode | 2 | 2,470 tok |