3,542 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 agents7,510Claude Code6,601Data and AI3,691Backend and APIs3,489Languages3,402Planning3,208Git and workflow3,142Code review2,734Memory and context2,361Testing2,349DevOps and cloud2,296Research2,292Writing and docs2,291Frontend2,248Security2,004Productivity1,708
All Claude Code32,107 Codex23,261 OpenCode22,036 GitHub Copilot3,542 Gemini CLI1,912 Cursor1,737 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| rokasklive/opengrok-go-mcp opengrok MCP but in Go | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 35 | 2,055 tok |
| molavec/mcp-api-client | 7 | GitHub Copilot | 1 | 321 tok |
| formio/ai form.io The Form.io Agentic Coding Toolset — MCP server, Claude Code plugin, and AI skills library | 7 | Claude Code, GitHub Copilot, Cursor | 11 | 4,936 tok |
| KyaniteLabs/Epoch kyanitelabs.github.io Time estimation MCP server for AI agents: PERT, COCOMO II, Monte Carlo, sprint forecasting | 7 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 2,396 tok |
| Wolfe-Jam/faf-mcp faf.one Persistent Project Context for Cursor, IDEs and VS Code — IANA-registered .faf format · 29 | 7 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 2,474 tok |
| Devlaner/loomy loomy.devlane.dev Loomy is an open-source collaborative whiteboard. Create infinite boards, invite your team | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,094 tok |
| suryast/indonesia-civic-stack 🇮🇩 Production-ready Python SDK + MCP server for 14 Indonesian government data sources — | 7 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,994 tok |
| gosha70/code-copilot-team Project templates with multi-agent team configurations for AI code copilots. Includes read | 7 | Claude Code, GitHub Copilot | 20 | 31,183 tok |
| aycanozarpaci/seo-pro-max-skill Production-grade SEO setup skill for AI coding agents (Claude Code, Cursor, Windsurf, Clin | 7 | GitHub Copilot | 1 | 20,549 tok |
| clawnify/greybeard Behavioral guidelines for AI coding agents — drop into CLAUDE.md / AGENTS.md to reduce com | 7 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 14,743 tok |
| garoon/garoon-mcp-server Garoon official MCP server | 7 | Claude Code, GitHub Copilot | 5 | 1,832 tok |
| Community-VyProjects/VyMCP MCP server for VyOS routers, powered by VyManager — lets AI agents read and manage routers | 7 | GitHub Copilot | 1 | 479 tok |
| sandraschi/filesystem-mcp FastMCP 3.2.0+ server plus webapp for comprehensive file system operations, Git repository | 7 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 1,627 tok |
| LinHao-city/StoryMind linhao-city.github.io 🎬 AI plans your shot list like a director, then generates the film. LLM storyboard planni | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 81 | 271 tok |
| joshsmithxrm/power-platform-developer-suite joshsmithxrm.github.io Pro-grade tooling for Power Platform developers | 7 | Claude Code, GitHub Copilot | 30 | 1,152 tok |
| archimedes-run/omniHarness archimedes.run OmniHarness is an open-source super agent harness that orchestrates sub-agents, persistent | 7 | Claude Code, Codex, GitHub Copilot | 12 | 1,717 tok |
| LinkedInLearning/playwright-ai-automating-tests-with-mcp-copilot-and-chatgpt-7263000 This is a repo for the LinkedIn Learning course: Playwright and AI: Automating Tests with | 7 | Claude Code, GitHub Copilot | 6 | 712 tok |
| scorbo2/mcp-light An extremely lightweight MCP server implementation for Java applications. | 7 | Codex, GitHub Copilot, OpenCode | 2 | 1,386 tok |
| borgius/kanban-lite borgius.github.io A kanban board for your codebase. Features stored as markdown. | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 1,590 tok |
| alilee/cranelisp Statically typed, jit compiled, pure functional lisp | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 6,595 tok |
| navikt/pensjon-etterlatte-saksbehandling Saksbehandlingsløsning for barnepensjon og omstillingsstønad | 7 | Claude Code, GitHub Copilot | 2 | 3,370 tok |
| Ed-Fi-Exchange-OSS/Project-Tanager ed-fi-exchange-oss.github.io Design documents and discussions around Project Tanager, which is building the next genera | 7 | GitHub Copilot | 1 | 15 tok |
| POWERFULMOVES/PMOVES.AI cataclysmstudios.net PMOVES.AI — Decentralized multi-agent AI platform by Cataclysm Studios Inc. Orchestrators, | 7 | Claude Code, GitHub Copilot | 7 | 286 tok |
| hybridlabor-api/bdb-dev-optimized-agent-skills A Curated AI AGENT OS – Optimized agent skills and add-ons like memB, OpenWiki, Heimdall T | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 2,961 tok |
| GrillerGeek/idd-framework A process framework for teams building software with AI coding agents. Replaces Epics/Feat | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,506 tok |
| FabianSchurig/bitbucket-cli This provides a go bitbucket cli bb-cli, an mcp server bb-mcp and a terraform provider. Al | 6 | GitHub Copilot | 4 | 2,106 tok |
| structured-world/gitlab-mcp gitlab-mcp.sw.foundation GitLab MCP server — issues, merge requests, pipelines, code search. 80+ tools. | 6 | GitHub Copilot | 1 | 1,050 tok |
| richfrem/agent-plugins-skills Agentic OS Control Plane: governed, continuously improving execution for AI coding agents— | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 94,640 tok |
| Hafeok/product-cli A CLI for managing a products features, test cases and ADRs - and a bit more. | 6 | Claude Code, GitHub Copilot | 9 | 9,778 tok |
| WesleySmits/agent-skills 43 production-ready skills for AI coding agents. Works with Claude, GitHub Copilot, Cursor | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,432 tok |
| dgenio/ChainWeaver Deterministic MCP tool flows for AI agents. Remove unnecessary LLM calls between predictab | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 6,086 tok |
| Stronger197/douchebag Turns your coding agent into a loud vulgar gym-bro chad. | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,122 tok |
| rjroy/vibe-garden rjroy.github.io Claude Code plugins: Compass Rose (GitHub Projects), Lore Development (project context), N | 6 | Claude Code, GitHub Copilot | 3 | 1,181 tok |
| deepfusionlabs/deep-init deepfusionlabs.ai Claude Code plugin that writes grounded, verified context for your coding agent — every cl | 6 | GitHub Copilot | 1 | 1,688 tok |
| mzored/init-deep AI documentation generator for Claude Code, Cursor, Copilot, Gemini CLI, Codex, Windsurf, | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,843 tok |
| sandraschi/godot-mcp Godot 4 automation via FastMCP — scene/mesh/PBR/particles, STL import, HTML5 export. For C | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,397 tok |
| RanaNadeemAslam/android-ai-skills Production-grade Android best practices for AI coding assistants. Works with Cursor, Claud | 6 | GitHub Copilot | 1 | 14,995 tok |
| brainOS-HQ/brain-os brainos-hq.com Local-first MCP memory server for operational project state: decisions, blockers, plans, p | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,217 tok |
| louisbrulenaudet/bodyboard Canonical instructions for coding assistants from a single AGENTS.md ✨ | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,604 tok |
| spuentesp/lain High-performance MCP server for AI coding agents: persistent knowledge graph, blast radius | 6 | Codex, GitHub Copilot, OpenCode | 2 | 1,731 tok |
| vatsalunadkat/ERICKeyboard vatsalunadkat.github.io Accessibility focused keyboard for Android and iOS using swipe based chord inputs. | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,109 tok |
| vinipx/ai-architecture-explorer | 6 | Claude Code, GitHub Copilot | 4 | — |
| Traves-Theberge/opencode-mcp MCP server that exposes OpenCode as a tool/subagent for IDEs and AI clients | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 1,998 tok |
| lukasmetzler/agenteval Lint, benchmark, and score your AI coding instructions. Stop guessing, start measuring. | 6 | Claude Code, GitHub Copilot | 3 | 1,309 tok |
| ArmisSecurity/armis-appsec-mcp AI-powered security scanning MCP plugin for Claude Code | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,233 tok |
| toutaio/aria AI code helpers operate under hard constraints: finite context windows, sensitivity to amb | 6 | Claude Code, GitHub Copilot | 2 | 3,423 tok |
| rizkyhaksono/portfolio-v3 natee.my.id Portfolio v3 using Next.js 16 with SSR, CSR, ISR, Azure Web App, Portainer. | 6 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 6 | 4,136 tok |
| mascarock/cursor-deck Cursor Slide Decks | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,864 tok |
| morooka-akira/aicm | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 10 | 9,770 tok |
| PoulpYBifle/NCF-Coding-Best-Practices | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,859 tok |