43,761 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 agents7,699Claude Code6,660Data and AI3,668Backend and APIs3,501Languages3,399Planning3,231Git and workflow3,226Code review2,759Testing2,389Memory and context2,368Writing and docs2,333DevOps and cloud2,313Research2,290Frontend2,267Security2,038Project management1,731
All Claude Code31,986 Codex23,430 OpenCode22,372 GitHub Copilot3,564 Gemini CLI1,915 Cursor1,742 Windsurf150 Kiro84
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| berntpopp/hpo-link genefoundry.org MCP server for the Human Phenotype Ontology (HPO): phenotype term lookup, the is_a hierarc | 1 | Claude Code, Codex, OpenCode | 10 | 3,019 tok |
| Gowindude/canvas-mcp MCP server connecting Claude to Canvas LMS | 1 | Claude Code | 1 | 442 tok |
| 0xkaz/agentclip agentclip.0xkaz.com Clip browser text, recall it from any AI — Chrome extension + Cloudflare Workers with MCP, | 1 | Claude Code, Codex, Cursor, OpenCode | 4 | 557 tok |
| Bazilio-san/mcp-vkusvill MCP server for integration with VkusVill | 1 | Claude Code, Codex, OpenCode | 19 | 1,798 tok |
| horiastanxd/claude-init horiastanxd.github.io One command generates AI context files (CLAUDE.md, AGENTS.md, Cursor/Windsurf/Cline, GEMIN | 1 | Claude Code, Codex, OpenCode | 2 | 1,099 tok |
| saitoomituru/PSYCHO-Py800MCP MCP bridge for oscilloscope, logic analyzer, and microscope automation. AI-driven waveform | 1 | Claude Code, Codex, OpenCode | 2 | 2,774 tok |
| gacabartosz/seo-gaca-mcp SEO GACA MCP — GEO · Audit · Crawl · Analyze — 37 tools: technical SEO, performance (Light | 1 | Claude Code | 1 | 571 tok |
| MiiKiyoshi/html-mcp-web Review agent-generated HTML slides/reports in the browser with anchored comments over MCP; | 1 | Codex, OpenCode | 1 | 21 tok |
| ZhaoLLe/mcp-bridge A dynamic MCP (Model Context Protocol) service bridge that supports dynamic registration o | 1 | Claude Code | 1 | 1,061 tok |
| mokemokechicken/mcp-ai-assistant-iris | 1 | Claude Code | 2 | 698 tok |
| schlemperdev/shantycrawl-mcp A lean MCP server for Firecrawl with lazy-loading tool architecture to drastically reduce | 1 | Codex, OpenCode | 1 | 1,820 tok |
| wgthomas/wireshark-mcp Network analysis via tshark -- MCP server with 20 tools for capture, analysis, device iden | 1 | Claude Code | 1 | 544 tok |
| mjkid221/MCPal npmjs.com Friendly Companion MCP. Get notified when your task is finished! | 1 | Claude Code, Codex, OpenCode | 2 | 2,223 tok |
| coroniumio/coronium-proxy-mcp | 1 | Codex, OpenCode | 1 | 303 tok |
| marc-shade/enhanced-memory-mcp A high-performance memory management system for AI agents using SQLite with zlib compressi | 1 | Claude Code | 1 | 2,780 tok |
| mr-mihu/dsh-dbhub-live DSH database MCP bridge plugin: persistent multi-source dbhub service + workspace-specific | 1 | Codex, OpenCode | 1 | 7,478 tok |
| gong8/sentinel-oss Self-hosted governance layer for MCP servers: policy engine, audit log, and multi-transpor | 1 | Claude Code, Codex, OpenCode | 5 | 1,765 tok |
| ivan-escribano/mcp-football-eleven An MCP server that connects AI assistants to a real football statistics database search + | 1 | Claude Code | 1 | 213 tok |
| fabriciofs/mcp-sql-server MCP Server para integração com Microsoft SQL Server | 1 | Claude Code | 12 | — |
| Avatarsia/openxe-mcp-server | 1 | Claude Code | 1 | 272 tok |
| muhammadyusuf-kurbonov/utel-mcp | 1 | Claude Code, Codex, OpenCode | 2 | 514 tok |
| kud/mcp-harness-fme kud.io 🚩 Manage Harness FME (Split.io) feature flags & segments from any MCP client — list, togg | 1 | Claude Code | 1 | 23 tok |
| treuille/dauphin-notion-mcp A token-efficient, parallel MCP server for Notion | 1 | Claude Code | 1 | — |
| rbj2000/mcp-crawl4ai-rag Database-agnostic MCP server for web crawling and RAG with support for Supabase, SQLite, P | 1 | Claude Code | 1 | 3,830 tok |
| jakeb-grant/d3-mcp-server MCP server providing D3.js API documentation to AI agents | 1 | Claude Code | 1 | 1,922 tok |
| andrasfe/genetic-mcp MCP for using Genetic Algorithm for selecting the top brainstorming ideas out of a populat | 1 | Claude Code | 7 | 7,358 tok |
| mlauf-labs/saga-core SAGA - a self-organizing, AI-native document archive (core backend: ingestion, LLM enrichm | 1 | Claude Code, Codex, OpenCode | 2 | 1,666 tok |
| konbakuyomu/pyocd-debug-mcp MCP Server for AI-powered embedded MCU debugging via pyOCD + CMSIS-DAP | 1 | Claude Code | 23 | — |
| loosheng/knife4j-mcp knife4j mcp server | 1 | Claude Code | 1 | 928 tok |
| biocontext-ai/nucleotide_archive_mcp European Nucleotide Archive dataset search MCP server for agentic RNA-sequencing data disc | 1 | Claude Code, Codex, OpenCode | 2 | 492 tok |
| andreahaku/code-analysis-context-python-mcp | 1 | Claude Code | 2 | 1,830 tok |
| thijs-hakkenberg/contextmapper_mcp An MCP server for https://contextmapper.org | 1 | Claude Code | 1 | 2,403 tok |
| yanggf8/amazon-q-cli-mcp-server Amazon Q CLI MCP Server - Provides Amazon Q capabilities to MCP hosts like Claude Desktop | 1 | Claude Code | 1 | 711 tok |
| minhhua-EH/semantica-search-mcp | 1 | Claude Code | 1 | 1,626 tok |
| AlgoChains/algochains-mcp-server AlgoChains MCP Server — Universal broker connectors, MCPT strategy validation, and AI mark | 1 | Codex, OpenCode | 1 | 9,231 tok |
| thenets/ghost-mcp MCP server for Ghost.org blog platform. | 1 | Claude Code | 1 | 18 tok |
| abrahamADSK/fpt-mcp MCP server for Autodesk Flow Production Tracking — full ShotGrid API access with RAG searc | 1 | Claude Code | 1 | 9,499 tok |
| success-meta-1/fraud-detection-mcp | 1 | Claude Code | 1 | 7,478 tok |
| Malaccamaxgit/whatsapp-mcp-docker WhatsApp MCP server for Docker Desktop MCP Toolkit — 30+ tools for messaging, groups, cont | 1 | Claude Code | 1 | 1,980 tok |
| tako0614/takos-office Takos Office — unified self-hostable docs/slide/sheet worker (agent-native via MCP) | 1 | Claude Code, Codex, OpenCode | 2 | 1,037 tok |
| Tymek/js-mcp MCP server for JS/TS development with intelligent project tooling and testing capabilities | 1 | GitHub Copilot | 1 | 388 tok |
| condensetech/clockify-mcp-server | 1 | Claude Code | 1 | 4 tok |
| u-akira/toio-mcp | 1 | Claude Code | 1 | 1,034 tok |
| Hao17/LiteGhidraMCP Lite Ghidra MCP Server using Ghidrathon | 1 | Claude Code | 4 | 12,775 tok |
| SnowLightPath/extended-mind Personal Context Protocol — shared context across AI platforms via MCP | 1 | Codex, OpenCode | 1 | 1,258 tok |
| pascalhubacher/confluence confluence mcp for atlassian cloud | 1 | OpenCode | 1 | — |
| Krishcalin/Agentic-AI-Cyber-Security An open-source Python based source code analyzer to identify security flaws, flags fictiti | 1 | Claude Code | 1 | 6,452 tok |
| harutomo51/kokkai-mcp MCP for retrieving minutes from the National Diet proceedings search system. | 1 | Claude Code | 23 | 1,265 tok |
| mgalbakri/claude-code-mastery agentcodeacademy.com Agent Code Academy — A free 12-week course from zero coding to AI coding mastery with Clau | 1 | Claude Code | 14 | 1,029 tok |
| dcierra/DarwinRelay Turn ChatGPT and other MCP clients into local agents on macOS — shell, files, PTY, browser | 1 | Codex, OpenCode | 1 | 3,046 tok |