43,872 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 agents7,796Claude Code6,678Data and AI3,657Backend and APIs3,502Languages3,394Git and workflow3,252Planning3,236Code review2,768Testing2,425Memory and context2,361Writing and docs2,344DevOps and cloud2,337Research2,286Frontend2,272Security2,058Project management1,756
All Claude Code32,008 Codex23,577 OpenCode22,522 GitHub Copilot3,569 Gemini CLI1,916 Cursor1,739 Windsurf152 Kiro87
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| creative-int/atoi-plugins atoi.app Atoi's agent plugin for Claude Code, Codex and Cursor: the governed Atoi tools and an oper | 0 | Claude Code, Codex, OpenCode | 2 | 740 tok |
| hc-hyun/db-mcp | 0 | Codex, OpenCode | 1 | 2,576 tok |
| josepaulolaport/cnes-mapping CNES Brazilian health data → PostgreSQL + MCP server for AI queries | 0 | Claude Code | 1 | 595 tok |
| Tarika06/mcp-server | 0 | Claude Code, Codex | 5 | — |
| paarthureddy/TheBlacklisted-NitroStack Protocol-0 is an MCP (Model Context Protocol) server that gives AI assistants, Claude, Cur | 0 | Claude Code, Codex | 6 | 836 tok |
| GVR2007/Artha-Live-Data-Finance-Tax-Copilot Artha turns any MCP client into a finance & tax copilot for Indian taxpayers — running on | 0 | Claude Code, Codex | 5 | — |
| kyle-macmillan/mcp-aauth-codex | 0 | Codex, OpenCode | 1 | 1,594 tok |
| funkyfunc/browser-dvr-mcp | 0 | Gemini CLI | 1 | 706 tok |
| Cintra-Payroll-HR/cintra-taskmaster-interview Take-home exercise: a Jira MCP server to explore and extend | 0 | Claude Code | 1 | 2 tok |
| objectlens/mcp-server | 0 | Cursor, Gemini CLI | 2 | 4 tok |
| StarShipI/modelmix Multi-model LLM comparison tool — 17 models, AI judge scoring, web UI + CLI + MCP plugin + | 0 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| legacyarchitects1/x-mcp-server | 0 | Claude Code | 1 | 882 tok |
| coilyco-flight-deck/bluesky-mcp Authenticated read-only Bluesky MCP with a fixed, bounded AT Protocol tool surface. | 0 | Claude Code, Codex, OpenCode | 3 | 650 tok |
| FixNPE/agentic-financial-advisor Multi-agent financial advisor: LangGraph agents over A2A, Alpha Vantage MCP market data, l | 0 | Claude Code | 1 | 3,284 tok |
| lewisnsmith/screentime-mcp mcp for personal agents to track screentime | 0 | Claude Code | 1 | — |
| rickquant/vault-rag-mcp Local, read-only RAG over Markdown vaults through the Model Context Protocol | 0 | Claude Code | 1 | 275 tok |
| raghavwahi/semdex-mcp-server A local MCP server that gives AI coding assistants structured, queryable intelligence abou | 0 | Claude Code | 14 | 1,569 tok |
| ipapadop/leafwiki-mcp An MCP server for LeafWiki | 0 | Codex, OpenCode | 1 | 2,878 tok |
| CoReason-AI/coreason-mcp-registry A community driven registry service for Model Context Protocol (MCP) servers. | 0 | Claude Code, GitHub Copilot | 2 | 277 tok |
| timkeeeeeen/change-signal Source-backed product intelligence from normalized documentation changes, with web, CLI, A | 0 | Claude Code, Codex, OpenCode | 11 | 2,864 tok |
| shabiokscode/appraisal-tracker-mcp | 0 | GitHub Copilot | 1 | 524 tok |
| dalemarchand/zephyr-dc-mcp A Zephyr Scale (Datacenter) MCP implemented in python. | 0 | Codex, OpenCode | 1 | 741 tok |
| H4sh3/agent-notify Simple mcp to get a notification if a agent is finished with a task. Supports tts and a di | 0 | Codex, OpenCode | 1 | 263 tok |
| jterratsdev/ableton-live-mcp Open-source MCP server and Ableton Live Remote Script bridge for music production workflow | 0 | Codex, OpenCode | 1 | 2,745 tok |
| edgemoorlf/boardroom-agents Python multi-agent board-records assistant with a governance agent that judges every answe | 0 | Claude Code | 2 | 2,969 tok |
| shaumikp26/MCPSalesforce | 0 | Claude Code | 1 | 2,378 tok |
| cofound-agent/plugin Cofound agent plugin | 0 | Codex, OpenCode | 1 | 183 tok |
| Kim-soung-won/mcp-smithery-exam | 0 | Codex, OpenCode | 1 | 3,412 tok |
| huuthangntk/claude-vision-mcp-server MCP Server with Claude Vision and multi-perspective image analysis capabilities | 0 | Cursor | 1 | 541 tok |
| zhaoganghao/hellomcp | 0 | Codex, OpenCode | 1 | 3,862 tok |
| raintree-technology/flightsweeper-webmcp webmcp.flightsweeper.com Policy-enforced sandbox flight purchasing through WebMCP | 0 | Codex, OpenCode | 1 | 221 tok |
| AngelsForAgents/afa-agent-kit | 0 | Codex, OpenCode | 1 | 440 tok |
| Bgenc48/arc-ledger-mcp # Arc & Ledger Tax Tools Free, read-only tax calculators and explainers built by an Enrol | 0 | Claude Code | 1 | 1,615 tok |
| elliotjames-paschal/bellwether-platform Bellwether prediction markets research platform - Stanford GSB / Hoover Institution | 0 | Claude Code | 1 | 816 tok |
| ollo12-prog/recallchecker | 0 | Claude Code | 1 | 892 tok |
| number1101/tillpad-mcp | 0 | Codex, OpenCode | 1 | 1,016 tok |
| voltwake/curio-mcp-extension Connect your AI to Curio — a design-style library for AI agents (MCP server, OAuth). Gemin | 0 | Gemini CLI | 1 | 256 tok |
| bryanmichael-hue/yearbook-mcp-public e-yearbook.com MCP server to search 300K+ U.S. yearbooks & 100M person mentions (1850s-present) for genea | 0 | Gemini CLI | 1 | 786 tok |
| Final-Commerce/final-pos-mcp finalpos.com Official Final POS MCP server & Gemini CLI extension. Build custom point of sale, kiosk, s | 0 | Gemini CLI | 1 | 789 tok |
| Focus-GTS/aep-mcp-server Open-source MCP server for Adobe Experience Platform, Journey Optimizer and Customer Journ | 0 | Claude Code | 1 | 1,549 tok |
| QuantumCoderSys/formasty-mcp formasty.com Official public documentation and connection guide for the hosted Formasty MCP server. | 0 | Gemini CLI | 1 | 291 tok |
| gadgethumans-dev/gadgethumans-mcp gadgethumans.com One hosted MCP endpoint — 46 tools + 300+ REST endpoints. Free tier, no API keys. curl -fs | 0 | Codex, OpenCode | 1 | 516 tok |
| GFB2026/mcp-oauth-connect check.gfbytes.com Diagnose MCP OAuth so Claude / Cursor / Grok Connectors actually connect — free checker | 0 | GitHub Copilot | 1 | 297 tok |
| granoflow/granoflow-mcp-server MCP server for Granoflow: exposes the local REST API as tools for AI agents, IDEs, and aut | 0 | Codex, OpenCode | 1 | 435 tok |
| growsurf/growsurf-mcp docs.growsurf.com MCP server for GrowSurf. Implement referral programs and affiliate programs with minimal d | 0 | Codex, OpenCode | 1 | 97 tok |
| Immersive-commons/ic-skills immersivecommons.com Agent skills, SDKs, and integration docs for Immersive Commons (immersivecommons.com) - Fl | 0 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,764 tok |
| lamont703/Project_InnerG_Complete_Agency project-inner-g-complete-agency.vercel.app | 0 | Claude Code | 11 | 13,918 tok |
| mablhq/mabl-mcp-server Public listing and docs for the mabl MCP server | 0 | Gemini CLI | 1 | 413 tok |
| elvismusli/onlyharness onlyharness.com Friendly hub for forkable AI-agent harnesses | 0 | Claude Code, Codex, OpenCode | 2 | 6,156 tok |
| Political-Comms/political-comms-sdk | 0 | Claude Code, Codex, OpenCode | 2 | 329 tok |