3,700 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| jangabrielsson/HC3_mcp VSCode extension providing map server for Fibaro HC3 system | 3 | GitHub Copilot | 1 | 210 tok |
| pimpmypixel/immich-mcp-server MCP Server for Immich 2.0 API integration with AI agents | 3 | GitHub Copilot | 1 | 928 tok |
| sandraschi/openclaw-molt-mcp FastMCP 2.14+ server bridging MCP clients ( Cursor, Antigrav, Claude …) with the OpenClaw | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 2,475 tok |
| tomtapia/mcp-trustedadvisor-server Use Trusted Advisor as a model context protocol. | 3 | GitHub Copilot | 1 | 146 tok |
| u9401066/pharmacy-mcp Pharmacy MCP Server - Drug information, dosage calculators, and interaction checkers via M | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 43 | 2,916 tok |
| PareshSoni468/katalon-mcp-server `Model Context Protocol server for Katalon Studio integration with Claude AI` | 3 | GitHub Copilot | 1 | 392 tok |
| chmouel/jayrah 🌞 Jayrah - Jira Terminal and web user interface and AI-powered command palette (MCP) 🌞 | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,222 tok |
| mcpambassador/server mcpambassador.ai Open-source MCP governance proxy -- authentication, authorization, audit, and a marketplac | 3 | Codex, GitHub Copilot, OpenCode | 2 | 1,500 tok |
| FASTPROD/ContextEngine npmjs.com MCP server — AI agents that remember across sessions. Zero API keys, 100% local. | 3 | Claude Code, GitHub Copilot, Cursor | 6 | 18,841 tok |
| talkincode/hyperliquid-mcp-python hypmcp.talkincode.net A FastMCP-powered HyperLiquid trading MCP service that enables AI assistants to access per | 3 | GitHub Copilot | 1 | 1,525 tok |
| Smengerl/vw_connect_mcp Make your EV (VW Group and 30+ other brands via Tibber) available to your AI via MCP | 3 | Claude Code, GitHub Copilot | 2 | 6,453 tok |
| Albenzoo/Mockoon-mcp npmjs.com Control Mockoon mocks via natural language using the Model Context Protocol | 3 | Claude Code, Codex, GitHub Copilot | 2 | 2,083 tok |
| loryanstrant/CaddyUI-MCP A MCP server for CaddyUI, allowing LLM control of the centralised management system. | 3 | Codex, GitHub Copilot, OpenCode | 2 | 1,047 tok |
| chris-page-gov/mcp-geo AI Generated Model Context Protocol (MCP) server for geospatial (Ordnance Survey) tooling | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,453 tok |
| sandraschi/database-operations-mcp MCP server and webapp for database operations with 15 portmanteau tools supporting SQLite, | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 1,472 tok |
| JonasKlimt/ie_mcp This is an MCP server designed to help with writing code using Industrial Ecology packages | 3 | GitHub Copilot | 1 | 1,439 tok |
| comparedge/mcp-server-comparedge comparedge.com MCP server for SaaS pricing data from ComparEdge.com — connect Claude to real-time SaaS pr | 3 | GitHub Copilot | 1 | 373 tok |
| Wladastic/AutoProbeMCP Allow your Github Copilot Chat to navigate your frontend projects. Also compatible with Ch | 3 | GitHub Copilot | 1 | 673 tok |
| GoCoder7/oci-mcp-server OCI MCP Server | 3 | GitHub Copilot | 1 | 576 tok |
| maybeswapnil/enterprise-mcp Enterprise-grade Model Context Protocol (MCP) server with ServiceNow integration and healt | 3 | GitHub Copilot | 1 | 216 tok |
| cmwen/min-kb-mcp Minimalist Knowledge Base MCP | 3 | GitHub Copilot | 1 | 937 tok |
| MCLifeLeader/seq-mcp Seq Open Telemetry MCP Server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 9,462 tok |
| Leviathan0x0/Chronicle-MCP pypi.org Local, private AI chat history search & memory MCP server: index Cursor, Claude, ChatGPT a | 3 | GitHub Copilot, Cursor, Windsurf | 3 | 184 tok |
| calllint/calllint calllint.com Pre-flight risk linting for MCP and agent tools — check the blast radius before your agent | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,285 tok |
| genecell/preprint-fulltext Retrieve full text of bioRxiv, medRxiv & arXiv preprints as structured sections — to groun | 3 | Codex, GitHub Copilot, OpenCode | 2 | 2,962 tok |
| shigechika/jquants-mcp shigechika.github.io MCP server for Japanese stock market data via J-Quants API — tools for price history, fina | 3 | Claude Code, GitHub Copilot | 3 | 7,077 tok |
| praveensehgal/remarkable-mcp MCP server for reMarkable Paper Pro Color — read, write, and manage your tablet from Claud | 3 | GitHub Copilot | 1 | 1,693 tok |
| Kodaxadev/Task-Anchor-MCP kodaxa.dev ADHD executive function enforcement for Claude Desktop. An MCP server with task locking, d | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,561 tok |
| DaRabus/prompt-tracker PromptVault: A self-hosted, local-first dashboard that watches your AI CLI history files ( | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 5,774 tok |
| wedabro/bro-skills bro-skills - Spec-Driven Development CLI | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,400 tok |
| vobiz-ai/Agent-Skills Agent skills for building on Vobiz - voice API, SIP trunking, voice XML, and AI voice agen | 3 | Codex, GitHub Copilot, OpenCode | 2 | 783 tok |
| me-cedric/agent-compass Central agentic standards, guidelines, skills & bootstrap tooling for AI coding agents (Cl | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 1,283 tok |
| droxey/agentadventure droxey.com OpenClaw skill that drops AI agents into self-hosted WorkAdventure as real avatars — with | 3 | Claude Code, GitHub Copilot | 2 | 5,092 tok |
| abrahamFerga/scrum-skills A vendor-agnostic library of AI agent skills built around the Scrum framework. Works with | 3 | GitHub Copilot | 1 | 415 tok |
| amichae2/Math_MCP MCP server capable of advanced math operations | 3 | GitHub Copilot | 1 | 298 tok |
| RichardGeorgeDavis/Codex-Workspace A local-first multi-repo workspace system with shared runtime control, memory, docs, and a | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 1,610 tok |
| Synapsor/Synapsor-Runner synapsor.ai Let AI agents query and update Postgres/MySQL without raw SQL, unrestricted schema access, | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,188 tok |
| MarkusNeusinger/cite-citadel markusneusinger.github.io LLM-maintained, fully-cited personal wiki in Open Knowledge Format — with an MCP server so | 3 | Claude Code, GitHub Copilot | 5 | 34,277 tok |
| NieZhuZhu/ai-harness-doctor npmjs.com 🩺 Doctor for your repo's AI harness — audit, merge & drift-guard scattered agent configs | 3 | Codex, GitHub Copilot, OpenCode | 2 | 2,218 tok |
| ahamedzoha/atelier Learn-by-building template: turn any idea into a project you build by hand with an AI ment | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,392 tok |
| projectbluefin/testsuite projectbluefin.github.io Cloud-native QA pipeline for Project Bluefin — Argo Workflows + KubeVirt + qecore/behave A | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,843 tok |
| jfilcik/CU-Tools Tools for working with Azure Content Understanding | 3 | Claude Code, Codex, GitHub Copilot | 13 | 441 tok |
| atstaeff/ai-agents atstaeff.github.io A complete, modular, and scalable repository of AI Agents, Skills, Templates, and Referenc | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,038 tok |
| davidlastrucci/trysil-ai-skills LLM skills for "Trysil - Delphi ORM": ORM, JSON and HTTP, for every major | 3 | GitHub Copilot | 1 | 27,529 tok |
| CanarysPlayground/token-optimisation-workshop GitHub Copilot Token Optimisation Workshop — 10 hands-on exercises + Future You Simulator | 3 | GitHub Copilot | 1 | 149 tok |
| richardthe3rd/cambridge-beer-festival-app A Flutter app for browsing beers, ciders, meads, and more at the Cambridge Beer Festival | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 10,167 tok |
| dradoaica/cogov-a-sdlc Co-Governed Agentic SDLC (Software Development Life Cycle) | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, Kiro, OpenCode, Windsurf | 13 | 368 tok |
| Proxyfan/Proxyfan HTTP debugging proxy for inspecting, capturing, and modifying network traffic in real time | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 39 | 19,008 tok |
| abuxton/terraform-data-env | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 1,633 tok |
| yyakubov-akam/akamai-functions-generator Generate Akamai Functions following prompt | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,053 tok |