22,170 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| leefowlercu/agent-kit My Codex / Claude Code Plugin Marketplace | 6 | Claude Code, Codex, OpenCode | 2 | 979 tok |
| Agentchengfeng/claude-channel-feishu Feishu (Lark) channel plugin for Claude Code — messaging bridge with access control, permi | 6 | Claude Code, Codex, OpenCode | 2 | 269 tok |
| Xuzan9396/plugin_claude | 6 | Claude Code, Codex, OpenCode | 2 | 6,481 tok |
| BitYoungjae/marketplace A Claude Code plugin marketplace by BitYoungjae. | 6 | Claude Code, Codex, OpenCode | 2 | 591 tok |
| iicmaster/antigravity-plugins Open-source Claude Code and Codex plugin adapters for the Antigravity CLI | 6 | Codex, OpenCode | 1 | 323 tok |
| L3DigitalNet/Claude-Code-Plugins Plugins for Claude Code | 6 | Claude Code, Codex, OpenCode | 4 | 2,068 tok |
| Data-Wise/himalaya-mcp data-wise.github.io Privacy-first email MCP server + Claude Code plugin wrapping himalaya CLI | 6 | Claude Code, Codex, OpenCode | 2 | 8,923 tok |
| anotherpanacea-eng/apodictic APODICTIC: AI Developmental Editing Plugin for Claude | 6 | Claude Code, Codex, OpenCode | 3 | 4,092 tok |
| ivan-magda/claude-superpowers Personally curated and maintained collection of Claude Code plugins | 6 | Claude Code, Codex, OpenCode | 2 | 158 tok |
| shiiman/claude-code-plugins | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,554 tok |
| Xakki/ai-agents-skills Claude Code plugin with skills for agentic development — kanban, scheduled autonomous runs | 6 | Codex, OpenCode | 1 | 733 tok |
| killvxk/malskills-zh Offensive security skills plugin for Claude Code - 120 skills for authorized pentesting, C | 6 | Claude Code, Codex, OpenCode | 2 | 1,216 tok |
| romain325/opencode-hooks-plugin Use claude code hooks definition in opencode. | 6 | Claude Code, OpenCode | 1 | — |
| easingthemes/dx-aem-flow AI-powered development plugins for Claude Code & Copilot CLI — requirements to PR workflow | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 7,948 tok |
| RashadAnsari/myagents Personal plugin marketplace for Claude Code, Cursor, and Claude Desktop. Brings Rashad's w | 6 | Claude Code, Codex, OpenCode | 1 | 889 tok |
| npow/claude-relay Drop-in OpenAI and Anthropic API server that routes through Claude Code | 6 | Codex, OpenCode | 1 | 849 tok |
| younnieCutler/japan-career-agent AI agent suite for Japan job hunting — self-analysis, resume, company research, matching, | 6 | Claude Code, Codex, OpenCode | 2 | 1,741 tok |
| nathanvale/side-quest-marketplace-old SideQuest - ADHD-friendly Claude Code plugins for developers who thrive on hyperfocus. Too | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 6,917 tok |
| aronprins/run-paperclip A Claude Code plugin to operate Paperclip companies outside-in from your interactive Claud | 6 | Codex, OpenCode | 1 | 8,588 tok |
| dkships/substack-publisher-mcp publisher-api.substack.com MCP server for Substack's official Publisher API — query posts, analytics, and subscribers | 6 | Claude Code, Codex, OpenCode | 2 | 1,436 tok |
| calsora/power-platform-github-copilot-kit Collection of agents and instructions etc as a starting point for working with the Power P | 6 | Codex, GitHub Copilot, OpenCode | 4 | 3,169 tok |
| mordor-forge/trident-mcp Multi-provider 3D model generation MCP server (Tripo, Meshy, Rodin). Text/image/multiview- | 6 | Codex, OpenCode | 1 | 1,465 tok |
| xhuw/async-bash-mcp An MCP to overcome the issues I was having with opencode's bash tool | 6 | Codex, OpenCode | 1 | 311 tok |
| AbhishekMore-1/litellm-proxy-mcp MCP bridge for LiteLLM Proxy. Supports Antigravity. | 6 | Codex, OpenCode | 1 | 698 tok |
| Olafs-World/airbnb-search 🏠 Search Airbnb listings from the command line. No API key required. | 6 | Codex, OpenCode | 1 | 660 tok |
| franalgaba/grimoire grimoirelabs.xyz Grimoire is a language for agents to express financial intent with readable syntax and det | 6 | Codex, OpenCode | 1 | 5,634 tok |
| simonwong/writing-skills writing skills | 6 | Claude Code, Codex, OpenCode | 3 | 606 tok |
| jaakla/merit_api MCP and Python API SDK for Merit Activa financial software - unofficial | 6 | Claude Code, Codex, OpenCode | 2 | 1,557 tok |
| solana-mobile/solana-mobile-skills Agent skills for Solana Mobile development (Claude Code, Codex, OpenCode, Cursor, Gemini, | 6 | Codex, OpenCode | 1 | 1,159 tok |
| oldwinter/skills | 6 | Claude Code, Codex, OpenCode | 2 | 1,290 tok |
| SupenBysz/gitea-mcp-tool | 6 | Claude Code, Codex, OpenCode | 2 | 2,110 tok |
| goperigon/perigon-mcp-server mcp.perigon.io Your go-to MCP for Real-time News & Contextual Intelligence | 6 | Codex, OpenCode | 1 | 442 tok |
| spyfree/mingli-mcp | 6 | Claude Code, Codex, OpenCode | 2 | 3,785 tok |
| jellythomas/mcp-atlassian-with-bitbucket | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,240 tok |
| cristianoaredes/mcp-senado MCP server for Brazilian Federal Senate (Senado Federal) Open Data API - Access legislativ | 6 | Claude Code, Codex, OpenCode | 2 | 3,769 tok |
| schplitt/mc8yp Full Cumulocity API access for AI agents via MCP, with fine-grained control | 6 | Claude Code, Codex, OpenCode | 2 | 13,500 tok |
| mrorigo/code-flow-mcp Cognitive Load Optimized Code Analysis Tool | 6 | Codex, OpenCode | 1 | 1,260 tok |
| Ramakrishnan24689/agent365-mcpapp Agent 365 — Reference implementation of an authenticated MCP App for M365 Copilot with Gra | 6 | Codex, OpenCode | 1 | 1,078 tok |
| uyu423/requarks-wiki-mcp npmjs.com MCP server for Wiki.js knowledge-base read/write operations | 6 | Claude Code, Codex, OpenCode | 3 | 2,856 tok |
| willhou/admob-mcp MCP server for Google AdMob API | 6 | Claude Code, Codex, OpenCode | 2 | 1,856 tok |
| yuly3/mcp-snowflake Model Context Protocol (MCP) server for Snowflake database connectivity and SQL query exec | 6 | Codex, OpenCode | 1 | 69 tok |
| vjik/my-prompts-mcp Lightweight MCP server for providing user prompts defined in Markdown with argument suppor | 6 | Codex, OpenCode | 1 | 64 tok |
| thebtf/netcoredbg-mcp | 6 | Claude Code, Codex, OpenCode | 2 | 3,446 tok |
| chapmanjw/rutherford-mcp-server Give your AI agent a crew. Model Context Protocol (MCP) tool to delegate, consensus build, | 6 | Claude Code, Codex, OpenCode | 2 | 1,994 tok |
| HelloThisIsFlo/omnifocus-operator An MCP server that exposes OmniFocus to AI agents via the Model Context Protocol (MCP). | 6 | Claude Code, Codex, OpenCode | 12 | 1,533 tok |
| kurcontko/mnemotree Memory module for LLMs and Agents with MCP | 6 | Codex, OpenCode | 1 | 368 tok |
| kamiazya/whiteboard kamiazya-whiteboard.pages.dev An collaborative diagramming MCP tool for AI. Use it to align on specs, architecture, work | 6 | Claude Code, Codex, OpenCode | 43 | 4,106 tok |
| afairai/afair afair.ai The open-source, self-organizing memory for all your AI tools. Single-tenant, yours, over | 6 | Claude Code, Codex, OpenCode | 2 | 8,545 tok |
| MarlonJD/web-debug-mcp Evidence-first local MCP debugger for React, Vite, Next.js, Chromium, and Safari: reproduc | 6 | Codex, OpenCode | 1 | 694 tok |
| AlexMost/neuro-vault Your knowledge in like a USB drive | 6 | Claude Code, Codex, OpenCode | 10 | 715 tok |