23,222 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 |
|---|---|---|---|---|
| bubroz/zget Agentic local media capture: yt-dlp library, CLI, and MCP path handoff for agents and pipe | 1 | Codex, OpenCode | 1 | 521 tok |
| Killian-Filippov/CodeGB MCP server that provides structured repository context for AI coding agents. | 1 | Codex, OpenCode | 1 | 1,841 tok |
| ArtiPyHeart/mcp-jumpserver-gui-sucks | 1 | Codex, OpenCode | 1 | 1,475 tok |
| JonusNattapong/MCPSearch Hybrid crawling + Stealth browser + Social media scraping + Anti-bot bypass - all free, no | 1 | Codex, OpenCode | 1 | 1,584 tok |
| drohi-r/mikrotik-routeros-mcp ecube-entertainment.com MCP server for MikroTik RouterOS with 24 tools for multi-device management, transport fall | 1 | Codex, OpenCode | 1 | 238 tok |
| kingsword09/ptywright npmjs.com Terminal/TUI automation driver over PTY + xterm, exposed as MCP tools | 1 | Codex, OpenCode | 1 | 1,254 tok |
| DrewCyber/astro-mcp | 1 | Codex, OpenCode | 1 | 1,104 tok |
| 0xAndoroid/poker-bankroll-tracker-mcp Poker Bankroll Tracker (PBT) MCP server | 1 | Codex, OpenCode | 1 | 62 tok |
| browserkit-dev/browserkit Framework for building site-specific MCP servers over authenticated browser sessions | 1 | Claude Code, Codex, OpenCode | 10 | 5,853 tok |
| chrisjohntapp/suse-mcp MCP server to interact with SUSE Linux ecosystem | 1 | Claude Code, Codex, OpenCode | 2 | 103 tok |
| zombat/scrub-mcp raymondrizzo.com A 22-tool MCP server and CI-ready CLI that cuts cloud LLM token usage on code quality task | 1 | Codex, OpenCode | 1 | 1,716 tok |
| Foxhunt/gitlab-mcp-server | 1 | Claude Code, Codex | 1 | — |
| upamune/chrono-mcp | 1 | Codex, OpenCode | 1 | 531 tok |
| ergunsh/ask-user-mcp-app ask-user-mcp-app.vercel.app An MCP App that enables AI agents to ask users multiple questions with tab-based navigatio | 1 | Claude Code, Codex, OpenCode | 2 | 4,575 tok |
| dr-code/tessera Persistent codebase memory for Claude Code — open source MCP server | 1 | Claude Code, Codex, OpenCode | 14 | 3,241 tok |
| artur282/skills-mcp | 1 | Claude Code, Codex | 3 | — |
| florianbuetow/arxiv-smart-mcp MCP server for searching and reading arXiv papers from AI assistants — self-rate-limited t | 1 | Codex, OpenCode | 1 | 653 tok |
| genai-tools/anygpt AnyGPT Tooling (CLI, MCP, SDK) | 1 | Codex, OpenCode | 1 | 354 tok |
| bitovi/freshbooks-mcp-server bitovi.slack.com | 1 | Claude Code, Codex | 1 | — |
| lbruton/claude-context Code search MCP for Claude Code. Make entire codebase the context for any coding agent. | 1 | Claude Code, Codex, OpenCode | 2 | 1,777 tok |
| nerdalytics/mcp-git-sandbox-fix | 1 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| SinoEdwards/mail-agent-mcp Local-first email MCP server for Gmail and QQ Mail with secure OAuth, IMAP search/read, at | 1 | Claude Code, Codex, OpenCode | 2 | 967 tok |
| 0marm0/COORD-Harness An autonomous multi-agent orchestration harness. Agents coordinate through one SQLite-WAL | 1 | Claude Code, Codex, OpenCode | 8 | 1,458 tok |
| JasonBates/whoop-mcp-server MCP server for WHOOP fitness tracker - access recovery, sleep, and strain data in Claude D | 1 | Claude Code, Codex, OpenCode | 2 | 474 tok |
| nicholaspsmith/Glancey MCP plugin for semantic code search - gives AI coding agents deep context from your entire | 1 | Claude Code, Codex, OpenCode | 4 | 764 tok |
| nonsleepr/claude-chrome-mcp nonsleepr.github.io MCP server for browser automation via the Claude Chrome Extension (https://claude.com/chro | 1 | Codex, OpenCode | 1 | 2,000 tok |
| zeropsio/zcp | 1 | Claude Code, Codex, OpenCode | 17 | 6,407 tok |
| rlemaigre/docpack Bundles documents into a knowledge base queryable using CLI, TS or MCP. | 1 | Codex, OpenCode | 1 | 1,143 tok |
| hughmadden/MeuralMCP | 1 | Codex, OpenCode | 1 | 115 tok |
| zhangluka/grain-seo-mcp SEO analysis MCP server — Google Search Console, Bing Webmaster Tools, GA4 analytics with | 1 | Claude Code, Codex | 1 | — |
| 0xABADBABE-ops/browser-jet-pilot browser-jet-docs.awhisper.org Self-hosted MCP server for AI browser automation. Drop-in @browserbasehq/mcp alternative. | 1 | Codex, OpenCode | 1 | 1,238 tok |
| OzTamir/mcplexer A tiny MCP proxy for running multiple labeled instances of the same MCP | 1 | Claude Code, Codex, OpenCode | 2 | 732 tok |
| shdra06/ai-mind-map 🧠 MCP Server that reduces AI coding agent token usage by 80-99%. Knowledge graph + persis | 1 | Claude Code, Codex, GitHub Copilot, Cursor | 5 | 3,396 tok |
| zhyx12/projtool Python package + Claude Code MCP server for running ML experiments across a local dev mach | 1 | Claude Code, Codex, OpenCode | 2 | 5,991 tok |
| Joncallim/pdf-inline-image-rag-mcp MCP server for searchable PDF text databases with inline image extraction and exact image | 1 | Codex, OpenCode | 1 | 551 tok |
| takuyaw-w/a5sql-mcp | 1 | Claude Code, Codex, OpenCode | 4 | 5,003 tok |
| artificemachine/obsidian-semantic-mcp MCP server for Obsidian with semantic search, vector embeddings via pgvector, and Claude C | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,743 tok |
| md-riaz/google-seo-mcp md-riaz.github.io | 1 | Claude Code, Codex, OpenCode | 3 | 934 tok |
| aancw/sanban Simple kanban that just works. No bloat, no login, no SaaS. JSON-backed boards with a REST | 1 | Codex, OpenCode | 1 | 1,583 tok |
| sorryorc/mythos-mcp npmjs.com Deterministic verification gate for Codex / Claude Code. 19 tools, zero LLM and zero netwo | 1 | Codex, OpenCode | 1 | 189 tok |
| The-Syntax-Slayer/browser-mcp Browser automation + bookmark management over FastMCP 3.2. Playwright-powered: Chrome, Fir | 1 | Claude Code, Codex, OpenCode | 2 | 402 tok |
| sugukurukabe/ssw-workforce-intel-mcp MCP server for Specified Skilled Worker (SSW) workforce intelligence in Japan, powered by | 1 | Codex, OpenCode | 1 | 474 tok |
| romaco-labs/romaco-mcp | 1 | Codex, OpenCode | 1 | 679 tok |
| RoxyAPI/claude-plugin Claude Code plugin and marketplace for RoxyAPI: the multi domain spiritual intelligence AP | 1 | Claude Code, Codex, OpenCode | 1 | 457 tok |
| Marcelle-Labs/never-ask-twice Enterprise Support MemoryAgent on Qwen Cloud that remembers customer context across sessio | 1 | Claude Code, Codex | 1 | — |
| CorvidLabs/agent-3md corvidlabs.xyz 🗃️ Your whole agent in one file. A 3md document where plane 0 is the agent and every othe | 1 | Claude Code, Codex, Cursor, OpenCode | 7 | 499 tok |
| bblrlo/pdns-mcp-server PowerDNS MCP server | 1 | Codex, OpenCode | 1 | 898 tok |
| Hanzhi0807/document-buddy Serverless MCP toolkit for Feishu/Lark project memory: turn docs, wiki pages, chats, meeti | 1 | Codex, OpenCode | 1 | 295 tok |
| datarian/mcp-coco A context engine implemented through cocoindex with a minimal MCP server in front. | 1 | Claude Code, Codex, OpenCode | 6 | 169 tok |
| Xingwen37/instrument_mcp | 1 | Codex, OpenCode | 1 | 2,827 tok |