23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| jontsai/claude-plugins Curated Claude Code plugins for research, productivity, and development workflows | 7 | Claude Code, Codex, OpenCode | 2 | 938 tok |
| rootcastleco/rei-skills rootcastleco.github.io The engineering-grade skill layer for AI agents. 895 validated skills, 21 AI adapters, wor | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,969 tok |
| noxgle/term_agent Linux terminal agent – Your personal AI assistant, living and breathing directly in your L | 7 | Codex, OpenCode | 1 | 607 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| telus-labs/stagecraft Run your AI coding tool through a 18-stage dev pipeline. Multi-host across Claude Code, Co | 7 | Codex, OpenCode | 1 | 1,093 tok |
| mabelisle/omni-cli Omni-CLI: The ultimate AI CLI wrapper. Run Google Gemini, OpenAI Codex, GitHub Copilot, An | 7 | Codex, Gemini CLI, OpenCode | 2 | 5,937 tok |
| vish288/mcp-gitlab pypi.org MCP server for the GitLab REST API — 91 tools, 7 resources, 6 prompts for projects, MRs, d | 7 | Codex, OpenCode | 1 | 6,452 tok |
| Marcelo-Barella/Cursor-CA-Orchestrator | 7 | Codex, OpenCode | 1 | 732 tok |
| victusfate/scaffold opinionated agent neutral scaffold for new projects | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 7 | 3,680 tok |
| tonyghiani/ai-essentials My personal AI essentials for rules, skills. subagents and more. | 7 | Claude Code, Codex, OpenCode | 1 | 2,979 tok |
| praetore/cmo-scenario-generation Generating scenarios for Command Modern Operations with Cursor | 7 | Codex, OpenCode | 1 | 9,915 tok |
| jeunecraack/talisman-skill Talisman — turn a codebase into a beautiful, brand-styled PDF guide (LaTeX→PDF). An agent | 7 | Codex, OpenCode | 1 | 865 tok |
| jnorthrup/TrikeShed my (++Bike)shed ideas | 7 | Codex, OpenCode | 1 | 267 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 |
| Wade-DevCode/awesome-coding-skills-cn wade-devcode.github.io A top-tier AI coding skills suite for Chinese developers using Claude Code / Codex | Top-t | 7 | Claude Code, Codex, OpenCode | 2 | 3,529 tok |
| iicmaster/antigravity-plugins Open-source Claude Code and Codex plugin adapters for the Antigravity CLI | 7 | Codex, OpenCode | 1 | 355 tok |
| ivan-magda/claude-superpowers Personally curated and maintained collection of Claude Code plugins | 7 | Claude Code, Codex, OpenCode | 2 | 158 tok |
| JoshuaOliphant/claude-plugins Claude Code plugin marketplace - productivity and learning plugins | 7 | Codex, OpenCode | 1 | 2,838 tok |
| shiiman/claude-code-plugins | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,554 tok |
| romain325/opencode-hooks-plugin Use claude code hooks definition in opencode. | 7 | Claude Code, OpenCode | 1 | — |
| easingthemes/dx-aem-flow AI-powered development plugins for Claude Code & Copilot CLI — requirements to PR workflow | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 10,913 tok |
| bitflight-devops/skilllint The best platform agnostic Linter for AI agent plugins and skills — validates structure, f | 7 | Claude Code, Codex, OpenCode | 6 | 4,008 tok |
| HigorAlves/orc orc.novacstack.com One command from “I want X” to a merged PR. | 7 | Claude Code, Codex, OpenCode | 2 | 420 tok |
| aws-geospatial/amazon-location-agent-context Amazon Location Service context for AI coding assistants — available as Kiro Powers, Claud | 7 | Claude Code, Codex, OpenCode | 2 | 2,436 tok |
| sumithr/sumo-qa pypi.org MCP server that brings senior-QA discipline to AI coding assistants — test planning, TDD, | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,650 tok |
| cristianoaredes/mcp-senado MCP server for Brazilian Federal Senate (Senado Federal) Open Data API - Access legislativ | 7 | Claude Code, Codex, OpenCode | 2 | 3,769 tok |
| yuly3/mcp-snowflake Model Context Protocol (MCP) server for Snowflake database connectivity and SQL query exec | 7 | Codex, OpenCode | 1 | 69 tok |
| pwelty/mcp_trilium paulwelty.com 🌳 Model Context Protocol (MCP) server for Trilium Notes - Connect your knowledge base to | 7 | Claude Code, Codex, OpenCode | 2 | 181 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 | 1,626 tok |
| chapmanjw/rutherford-mcp-server Give your AI agent a crew. Model Context Protocol (MCP) tool to delegate, consensus build, | 7 | Claude Code, Codex, OpenCode | 2 | 1,994 tok |
| SlideSpeak/slidespeak-onbrand slidespeak.co Design context for AI agents | 7 | Claude Code, Codex, OpenCode | 7 | 186 tok |
| AlexMost/neuro-vault Your knowledge in like a USB drive | 7 | Claude Code, Codex, OpenCode | 10 | 985 tok |
| cyberpapiii/imessage-max MCP server for iMessage - AI-optimized tools for reading and sending messages | 7 | Claude Code, Codex, OpenCode | 2 | 7,544 tok |
| mahadansar/sol-luna-orchestrator npmjs.com Adaptive orchestration for OpenAI Codex — decide when to delegate, route bounded work to i | 7 | Codex, OpenCode | 1 | 885 tok |
| EYamanS/chisel An MCP server that lets AI agents build, edit, render, and export real 3D models from prim | 7 | Claude Code, Codex, OpenCode | 2 | 404 tok |
| ToolingTools/SimView simview.dev MCP App that streams a live iOS Simulator / Android device into Codex, Cursor, and Claude | 7 | Codex, OpenCode | 1 | 1,285 tok |
| Continuum-AI-Corp/orcadub-mcp-server orcadub.orcarouter.ai MCP server for OrcaDub — AI video dubbing via OrcaRouter (model orca/dub): upload, submit, | 7 | Claude Code, Codex, OpenCode | 2 | 2,460 tok |
| TakoData/tako-mcp docs.tako.com Tako MCP gives your agent industry-leading live web search plus licensed data that the ope | 7 | Codex, OpenCode | 1 | 4,073 tok |
| clouatre-labs/aptu-coder aptu-coder: MCP server for AST analysis, call graphs, and code structure (tree-sitter) | 7 | Codex, GitHub Copilot, OpenCode | 5 | 3,090 tok |
| felixAnhalt/figma-to-code-mcp MCP server to extract Figma design information and convert it to mostly css for coding age | 7 | Claude Code, Codex, OpenCode | 8 | 1,822 tok |
| psyb0t/docker-talkies ciprian.51k.eu Self-hosted Docker speech API for OpenAI-compatible transcription and text-to-speech, stre | 7 | Claude Code, Codex, OpenCode | 3 | 5,362 tok |
| seongwon030/velog_mcp npmjs.com An MCP server for writing and managing posts on Velog with Claude and Codex | 7 | Claude Code, Codex, OpenCode | 2 | 1,603 tok |
| WasmAgent/wasmagent-js wasmagent.github.io Embedded agent runtime compliance layer — WASM sandbox, MCP firewall, capability manifests | 7 | Claude Code, Codex, OpenCode | 2 | 3,963 tok |
| vuluu2k/webcake-landing-mcp mcp.toolvn.io.vn MCP server: Webcake landing-page element schemas + AI usage hints + page-source persistenc | 7 | Claude Code, Codex, OpenCode | 9 | 9,051 tok |
| Zts0hg/codexspec zts0hg.github.io A Requirements-First Spec-Driven Development (SDD) toolkit for Codex and Claude Code with | 7 | Claude Code, Codex, OpenCode | 2 | 16,958 tok |