32,564 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dmae97/roblex-studio-mcp-server Model Context Protocol server for Roblex Studio | 7 | Claude Code | 1 | 270 tok |
| richfrem/agent-plugins-skills Agentic OS Control Plane: deterministic state-machine governance for AI coding agents with | 7 | Claude Code, Codex, OpenCode | 2 | 2,391 tok |
| jojoprison/mnemo Persistent memory layer for Claude Code and Codex — your Obsidian vault on autopilot. Seve | 7 | Claude Code, Codex, OpenCode | 2 | 1,018 tok |
| smicolon/ai-kit smicolon.com Convention packs for any AI coding tool - agents, skills, commands, and rules for 15 tools | 7 | Claude Code, Codex, OpenCode | 2 | 6,135 tok |
| altafino/FableClaudeMDForOpus altafino.com A Fable written Claude MD for Opus/Sonnet to give it some of the quality methodology that | 7 | Claude Code | 1 | 1,403 tok |
| Minara-AI/media-agent | 7 | Claude Code | 1 | 720 tok |
| 8ix/neurodiverse-claude-skills A set of Claude skills I built for myself as a neurodivergent professional. If your brain | 7 | Claude Code | 1 | — |
| synaptiai/synapti-marketplace The Synapti Marketplace is a curated collection of Claude Code plugins designed for AI-aug | 7 | Claude Code, Codex, OpenCode | 2 | 319 tok |
| WesleySmits/agent-skills 43 production-ready skills for AI coding agents. Works with Claude, GitHub Copilot, Cursor | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,432 tok |
| tiankonglan/TomeWiki Game wiki template: clone it, name the game, deploy. Unofficial fan sites you own — not Fa | 7 | Claude Code, Codex, OpenCode | 2 | 1,065 tok |
| HK-hub/AgentSkills A curated collection of Agent Skills for Claude Code, Open Code, and more, covering Agent/ | 7 | Claude Code | 1 | 852 tok |
| ramboz/jig A Claude Code and Codex plugin that scaffolds AI-native development practices into new pro | 7 | Claude Code, Codex, OpenCode | 8 | 6,940 tok |
| darecstowell/scratchboard darecstowell.github.io A kanban board for the markdown tickets already in your repo. One npx command, nothing ins | 7 | Claude Code, Codex, OpenCode | 2 | 2,284 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 | 2,477 tok |
| thettwe/nyann Nyann (ငြမ်း) is Burmese for scaffolding. Nyann is a Claude Code plugin that sets up and m | 7 | Claude Code | 1 | 559 tok |
| ThoTischner/observability-mcp npmjs.com Unified observability gateway for AI agents — one MCP server for Prometheus, Loki, and any | 7 | Claude Code | 1 | 1,961 tok |
| debugbundle/debugbundle debugbundle.com DebugBundle product source and runtime code. | 7 | Claude Code, Codex, OpenCode | 7 | 3,481 tok |
| smallocean43658/codex-superpowers Codex-first fork of Superpowers skills with Codex-native tool guidance | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,849 tok |
| stewie-sh/agent-crystallize Local-first checkpoints and crystals for long-running AI coding agent sessions. | 7 | Claude Code, Codex, OpenCode | 2 | 467 tok |
| lucaperret/agent-skills Agent Skills that give AI coding agents superpowers beyond code — macOS native apps, MCP s | 7 | Claude Code, Codex, OpenCode | 2 | 727 tok |
| t41372/skit t41372.github.io A terminal script manager and launcher — Put any script, prompt, or program in one library | 7 | Claude Code, Codex, OpenCode | 2 | 1,659 tok |
| MiaoDX/roboclaws Visible AI-driven robotics demos powered by VLM policies, MCP skills, and AI coding agents | 7 | Claude Code, Codex, OpenCode | 2 | 2,221 tok |
| iannuttall/skills Agent skills for Codex, Claude Code and other coding agents. | 7 | Claude Code, Codex, OpenCode | 2 | 1,022 tok |
| nklisch/skilltap skilltap.dev An easy way for agents to help people manage Claude Code and Codex plugins. | 7 | Claude Code, Codex, OpenCode | 2 | 1,310 tok |
| zircote/cpp-lsp Claude Code plugin for C/C++ development with clangd LSP, clang-tidy, and clang-format | 7 | Claude Code | 1 | 204 tok |
| NexaDuo/mARC marc.nexaduo.com mARC · Multi-Agent Relay Control — an installable AI engineering team for Claude Code. A t | 7 | Claude Code, Codex, OpenCode | 2 | 2,461 tok |
| slavins-co/cellartracker-mcp A local MCP server to connect AI tools to your wine cellar | 7 | Claude Code | 4 | 306 tok |
| pleasedodisturb/chronoclaude Time awareness for Claude Code — visible per-message timestamps, hidden timing context, MC | 7 | Claude Code | 1 | 2,596 tok |
| jontsai/claude-plugins Curated Claude Code plugins for research, productivity, and development workflows | 7 | Claude Code, Codex, OpenCode | 2 | 938 tok |
| LH8PPL/core-memory-kit Persistent per-project memory for Claude Code, Kiro, Cursor & Codex - plain markdown commi | 7 | Claude Code | 1 | 26,397 tok |
| greglas75/zuvo zuvo.dev Auto-activating, multi-agent skill ecosystem for Claude Code, Codex, and Cursor. 51 skills | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,205 tok |
| alex-feel/claude-code-artifacts-public alexfeel.info Reusable Claude Code artifacts — skills, hooks, rules, environment configs, agents, and sl | 7 | Claude Code | 1 | 835 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 |
| tj-smith47/cfgd Declarative, GitOps-inspired, shareable tooling and machine configurations. | 7 | Claude Code | 1 | 1,792 tok |
| DikshitRJ/quickfill-mcp npmjs.com Instant Generative UI MCP Server for AI Agents. Turn static AI chats into live, hot-reload | 7 | Claude Code, Codex, OpenCode | 2 | 764 tok |
| peter-gy/anywidget-mcp peter-gy.github.io 🧩 Turn Python AnyWidgets into interactive, composable MCP Apps | 7 | Claude Code, Codex, OpenCode | 2 | 2,995 tok |
| beetlebugorg/tekmetric-mcp beetlebugorg.github.io Ask questions about your Tekmetric shop data using natural language. Get instant answers a | 7 | Claude Code | 1 | 385 tok |
| krimto-labs/krimto krimto.com Open-source team memory layer for AI coding agents — markdown files in git, user→team→org | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 915 tok |
| nayasuda/phantom-template 🕵️ Multi-agent AI system template powered by Gemini CLI — automate daily ops with 10 spec | 7 | Claude Code, Gemini CLI | 11 | — |
| Ladbaby/Tresor ladbaby.github.io ⚡Switch LLM providers for any agent/app with one click: A single-binary LLM gateway with a | 7 | Claude Code | 1 | 4,175 tok |
| singhpratech/notepatra notepatra.org Native C++/Rust code editor for the AI era — Linux/macOS/Windows, ~13 MB bare binary, 238 | 7 | Claude Code, Codex, OpenCode | 2 | 3,052 tok |
| m24927605/ait m24927605.github.io AI coding agents should work in attempts, not your working tree | 7 | Claude Code | 1 | 1,441 tok |
| nawodyaishan/universal-mcp-sync Universal MCP Sync (usync) is a local-first MCP configuration manager for developers who u | 7 | Claude Code, Gemini CLI | 12 | — |
| victusfate/scaffold opinionated agent neutral scaffold for new projects | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 3,713 tok |
| tonyghiani/ai-essentials My personal AI essentials for rules, skills. subagents and more. | 7 | Claude Code, Codex, OpenCode | 1 | 2,979 tok |
| hiepdnh/Agentic-Development-Lifecycle hiepdnh.github.io Agentic Development Lifecycle | 7 | Claude Code | 37 | 8,038 tok |
| discoveryworks/gday-cli | 7 | Claude Code | 1 | 628 tok |
| rijuvashisht/Magneto landing-fsmpg96k6-rijuvashisht-1233s-projects.vercel.app The modern AI developer's platform - Build Applications bring any agent, any model, any sy | 7 | Claude Code, GitHub Copilot | 5 | 214 tok |
| php-opcua/laravel-opcua php-opcua.com OPC UA client integration for Laravel with Facade, named connections, and an optional pers | 7 | Claude Code, Codex, GitHub Copilot | 2 | 541 tok |
| nerviq/nerviq nerviq.net Your agent docs lie. Nerviq finds the lies in 30 seconds — stale references, permission ex | 7 | Claude Code, Codex, OpenCode | 15 | 2,959 tok |