44,969 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 |
|---|---|---|---|---|
| starwind-ui/starwind-ui-mcp starwind.dev Framework-aware Starwind UI v3 tools for Astro and React setup, components, docs, and migr | 35 | Codex, OpenCode | 1 | 258 tok |
| Deepractice/RoleX Deepractice Role System | 35 | Claude Code | 1 | 1,040 tok |
| razbakov/ai-secretary razbakov.com AI-First Organization | 35 | Cursor | 1 | 1,453 tok |
| roboticforce/remembrallmcp roboticforce.io Whole-codebase knowledge for AI coding agents. A field-aware code graph (functions, classe | 35 | Claude Code, Codex, OpenCode | 2 | 2,968 tok |
| proompteng/bilig proompteng.github.io Formula workbooks for Node services: edit inputs, recalculate formulas, read outputs, pers | 35 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 5,614 tok |
| Aicoo-Team/AICOO-Skills aicoo.io An official set of skills to share, maintain and connect personal AI Agents. | 35 | Claude Code, Codex, OpenCode | 2 | 3,239 tok |
| TT-Wang/forge Turn Claude Code into a plan-execute-validate loop with parallel work, intelligent retry, | 35 | Claude Code | 1 | 434 tok |
| liangdabiao/claudesdk-skill skillhub.cn An experimental project exploring the capabilities of the Claude Agent SDK. Through a Skil | 35 | Claude Code | 8 | — |
| 803/skills-supply Manage AI agent skills across Claude Code, Codex, OpenCode, and others using agents.toml | 35 | Claude Code, Codex, OpenCode | 3 | 2,409 tok |
| intelligentcode-ai/claude-code-vm vanillacore.net Deploy Claude Code and additional tools to a VM for remote development | 35 | Claude Code | 1 | 2,379 tok |
| freema/cursor-plugin-cc tomasgrasl.cz Use Cursor CLI from Claude Code to delegate coding tasks to Composer 2.5+ and other Cursor | 35 | Claude Code, Codex, OpenCode | 1 | 1,671 tok |
| Webioinfo01/aweskill A CLI-first skill package manager that AI agents can operate themselves. | 35 | Claude Code, Codex, OpenCode | 2 | 314 tok |
| specstoryai/agent-skills specstory.com SpecStory's official collection of agent skills. Summarize, organize and create with `.spe | 35 | Claude Code, Codex, OpenCode | 2 | 1,417 tok |
| backstabslash/goccc Fast, zero-dependency cost calculator and customizable statusline for Claude Code. Single | 35 | Claude Code | 1 | 1,501 tok |
| chongdashu/threejs-forest-census forestcensus.aioriented.dev A vibe coded 3D game inspired by the Mario Party mini game. Made with Codex CLI and Agent | 35 | Claude Code | 1 | — |
| terramate-io/agent-skills Agent skills and Claude Code for Terraform, OpenTofu, and Terramate spanning state splitti | 35 | Claude Code, Codex, OpenCode | 2 | 680 tok |
| hashangit/openfusion Frontier-grade answers from any mix of models — a local MCP server bringing OpenRouter's F | 35 | Claude Code, Codex, OpenCode | 8 | 5,110 tok |
| blencorp/capture-mcp-server AI-native Model Context Protocol (MCP) server that integrates SAM.gov, USASpending.gov, an | 35 | Claude Code | 1 | 1,563 tok |
| charlesjones-dev/claude-code-plugins-dev charlesjones.dev Claude Code plugins for code audits, release checks and day-to-day git and project workflo | 35 | Claude Code | 1 | 2,018 tok |
| mylukin/ralph-dev Autonomous development workflow plugin for Claude Code that transforms natural language re | 35 | Claude Code | 1 | 1,416 tok |
| mrlm-xyz/demo-claude-marketplace Dummy and naive demonstration template of custom Claude Code plugins marketplace structure | 35 | Claude Code | 2 | 544 tok |
| tomeraitz/claude-slack-bridge vibki.com MCP server that lets Claude Code pause mid-task and ask a human a question via Slack — the | 35 | Claude Code | 1 | 510 tok |
| V-Songbird/foreman Project continuity for Claude Code and Codex: a roadmap beside your code, grounded handoff | 35 | Claude Code, Codex, OpenCode | 2 | 1,412 tok |
| AppsVortex/arness arness.appsvortex.com Structured AI workflows for Claude Code — from first idea to production deploy. Three plug | 35 | Claude Code | 1 | 3,946 tok |
| nirholas/extract-llms-docs llm.energy Extract documentation for AI agents from any site with llms.txt support. Features MCP serv | 35 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 722 tok |
| itsmostafa/gskill | 35 | Claude Code | 1 | 1,205 tok |
| dreamiurg/claude-mountaineering-skills Automates mountain route research for North American peaks. Aggregates data from 10+ mount | 35 | Claude Code, Codex, OpenCode | 2 | 1,504 tok |
| ggwhite/4x ggwhite.github.io Agentic AI development loop that splits Design, Code, Review, and Test into isolated roles | 35 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 8 | 2,162 tok |
| mikechao/metmuseum-mcp Met Museum MCP integration to discover the art collection at The Metropolitan Museum of Ar | 35 | Claude Code, Codex, OpenCode | 2 | 1,493 tok |
| wiki3-ai/agent-client-kernel wiki3-ai.github.io A Zed Agent Client Protocol (ACP) Jupyter Kernel | 35 | Codex, OpenCode | 1 | 680 tok |
| web3dev1337/agent-workspace agent-workspace.ai All your projects in one workspace. Run multiple CLI agents in parallel across different r | 35 | Claude Code, Codex, OpenCode | 6 | 13,846 tok |
| tosin2013/mcp-adr-analysis-server tosin2013.github.io Your ADRs are lying to you. MCP server with live drift detection, content safety, and deci | 35 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 28 | 3,723 tok |
| weAAAre/a11y-agents-kit Accessibility tools and agent skills for AI coding agents | 35 | Codex, OpenCode | 1 | 1,531 tok |
| tmchow/illo-characters Community character packs for the illo editorial-illustration agent skill | 35 | Claude Code, Codex, OpenCode | 2 | 1,761 tok |
| lightweight-component/aj-mcp mcp.ajaxjs.com Simple MCP SDK in Java 8 | 35 | Codex, OpenCode | 2 | 2,054 tok |
| zebbern/agent-collab Run Codex and Cursor as background workers inside Claude Code. Reviews, tasks, and rescues | 35 | Claude Code, Codex, OpenCode | 2 | 2,358 tok |
| grcengineering/companion grc.engineering The GRC Companion turns vendor reviews, audit walkthroughs, questionnaires, policy work, c | 35 | Codex, OpenCode | 1 | 322 tok |
| netclaw-dev/skill-server A self-hosted skill server that provides versioned skill feeds for use by agents. | 35 | Claude Code, Codex, OpenCode | 2 | 877 tok |
| arvindand/maven-tools-mcp dev.to MCP server providing AI assistants with Maven Central dependency intelligence for all JVM | 35 | Claude Code, GitHub Copilot | 7 | — |
| TeneoProtocolAI/teneo-skills Teneo Protocol AI agent skills for Claude Code and AI coding assistants | 35 | Claude Code, Codex, OpenCode | 2 | 3,991 tok |
| nirholas/bnbchain-mcp bnbchain-mcp.modelcontextprotocol.name Developer tools for AI crypto agents 🛠️ Build apps with DeFi trading, DEX swaps, smart c | 35 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,816 tok |
| Macawls/umami-mcp-server umami-mcp.macawls.dev A lean MCP Server for Umami analytics | 35 | Claude Code | 1 | 4 tok |
| ww-w-ai/super-token-saver Restore prior Claude Code AND Codex sessions with zero LLM calls. Cross-tool session hando | 35 | Claude Code | 1 | 6,642 tok |
| scalvert/docusaurus-plugin-mcp-server docusaurus-plugin-mcp-server.vercel.app Docusaurus plugin that publishes your documentation as an MCP server | 35 | Claude Code, Codex, OpenCode | 2 | 4,201 tok |
| agentculture/reachy-mini-mcp agentculture.github.io An MCP to control Reachy Mini server or sim | 35 | Claude Code | 20 | 3,709 tok |
| ninihen1/power-automate-mcp-skills GitHub Copilot agent skills for Power Automate via FlowStudio MCP — build, debug, and oper | 35 | Gemini CLI | 1 | 215 tok |
| dengmengmian/muxlayer dengmengmian.github.io The local model control layer for coding agents. Route, convert, fail over, and trace mode | 35 | Codex, OpenCode | 1 | 817 tok |
| Arcadia-1/awesome-ams-skills ams.tokenzhang.com Collection for agent skills on analog and mixed-signal (AMS) IC (integrated circuit) desig | 35 | Claude Code | 1 | 755 tok |
| ncz-os/mnemos gitlab.com Production-grade memory operating system for agentic AI. Interoperates with every major fr | 35 | Codex, OpenCode | 1 | 3,984 tok |
| DeployFaith/hermes-bible-skill Community knowledge base skill for Hermes Agent — 169 pages of docs, 25+ real-world flows, | 35 | Codex, OpenCode | 1 | 680 tok |