44,931 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 agents8,489Claude Code6,881Git and workflow3,605Data and AI3,580Backend and APIs3,556Languages3,486Planning3,323Code review2,893Testing2,681Writing and docs2,477DevOps and cloud2,477Memory and context2,375Research2,318Frontend2,308Security2,170Project management1,960
All Claude Code32,505 Codex24,785 OpenCode23,702 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,771 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| cyanheads/clinicaltrialsgov-mcp-server npmjs.com Search ClinicalTrials.gov trials, retrieve study details and results, and match patients t | 100 | Claude Code, Codex, OpenCode | 2 | 17,432 tok |
| dust-tt/srchd Research agents harness | 100 | Codex, OpenCode | 1 | 1,130 tok |
| accessd/tmux-agent-indicator Tmux plugin that gives visual feedback for AI agent states (running/needs-input/done). Sup | 100 | Claude Code, Codex, OpenCode | 2 | 554 tok |
| zhenruyan/postgrebase zhenruyan.github.io AI-Native No-Code API Development Platform Based on PocketBase, with native PostgreSQL/My | 100 | Codex, OpenCode | 1 | 5,684 tok |
| ndom91/open-plan-annotator Local-first agent plan annotator | 100 | Claude Code, Codex, OpenCode | 2 | 2,425 tok |
| DingyangLyu/MatClaw MatClaw: an open materials-science agent that turns natural-language tasks into reproducib | 100 | Claude Code | 21 | 875 tok |
| flipbit03/terminal-use tu is tmux for your coding agent | 100 | Claude Code | 1 | 655 tok |
| mloda-ai/mloda mloda.ai mloda.ai - Open Data Access for AI and ML. Plugin-based. Traceable. Framework-agnostic. | 100 | Claude Code, Codex, OpenCode | 4 | 3,624 tok |
| PostHog/ai-plugin Official PostHog plugin for Claude Code, Cursor, Gemini, Codex and other AI coding tools | 100 | Gemini CLI | 1 | 308 tok |
| jiangkoumo/toolfence Local, fail-closed policy enforcement and human approval for MCP tool calls. | 100 | Codex, OpenCode | 1 | 417 tok |
| ankimcp/anki-mcp-server-addon ankimcp.ai An Anki addon that implements an MCP server, enabling AI assistants to interact with Anki, | 100 | Claude Code | 1 | 18,186 tok |
| uussnn/second-brain Autonomous AI Agent Skill for Google AI Edge Gallery - self-evolving, 100% offline | 100 | Gemini CLI | 1 | 329 tok |
| mykpono/ultimate-seo-geo lab.mykpono.com The definitive SEO + GEO skill for Claude. Full site audits with scored findings, AI searc | 100 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 8,683 tok |
| youdotcom-oss/agent-skills You.com skills and plugins for web search, content extraction, research, finance, and inte | 100 | Codex, OpenCode | 1 | 1,085 tok |
| excalimate/excalimate excalimate.com Create keyframe animations from hand-drawn Excalidraw diagrams — timeline editor, camera a | 100 | Claude Code, GitHub Copilot | 2 | 794 tok |
| gluonfield/jaz jaz.chat A personal AI on machines you own — any agent, loops that run overnight, boards, memory, a | 100 | Claude Code, Codex, OpenCode | 2 | 2,130 tok |
| MrUjjwalG/movi-player moviplayer.com Open-source HTML5 video player, an alternative to Video.js, Shaka Player, JW Player and Pl | 100 | Claude Code, Codex, OpenCode | 3 | 8,031 tok |
| translated/lara-mcp developers.laratranslate.com Official Lara Translate MCP server: translation, translation memories and glossaries for C | 100 | Claude Code | 1 | 4,218 tok |
| optave/ops-codegraph-tool npmjs.com Code intelligence CLI — function-level dependency graph across 34 languages, 34-tool MCP s | 99 | Claude Code | 26 | 5,991 tok |
| Junliu1066/vibe-coding-kit Not teaching you to code, but helping you fully understand “using AI to code” — a vibe cod | 99 | Claude Code, Codex, OpenCode | 4 | 5,326 tok |
| khanhcamap2020-sudo/formkind Global-readiness toolkit for international forms across HTML, JSX, Vue, Svelte, and CI. | 99 | Codex, OpenCode | 1 | 261 tok |
| phungkaizen/maintainer-autopilot Local-first, resumable AI maintenance pipelines with single-writer safety and deterministi | 99 | Codex, OpenCode | 1 | 320 tok |
| prtamil/AsciiCreativeCoding Creative Coding using only Terminal graphics using NCurses in pure C in Linux | 99 | Claude Code | 5 | 4,832 tok |
| cmu-phil/py-tetrad Makes algorithms/code in Tetrad available in Python via JPype | 99 | Claude Code | 2 | 1,020 tok |
| Facets-cloud/flow facets-cloud.github.io Turn isolated Claude sessions into a continuous working relationship | 99 | Claude Code, Codex, OpenCode | 1 | 1,791 tok |
| ljw1004/mini_agent A mini AI agent CLI, similar to Claude Code and Gemini CLI | 99 | Claude Code | 1 | 2,224 tok |
| InstaWP/mcp-wp instawp.com MCP Server for WordPress | 99 | Claude Code | 1 | 2,550 tok |
| neo4j-contrib/gds-agent Neo4j Graph Data Scientist Agent (MCP Server & Skills) | 99 | Gemini CLI | 1 | 259 tok |
| rogasper/labas-bahasa labas.rogasper.com Labas (Latihan Bahasa) merupakan platform latihan bahasa untuk persiapan IELTS, TOEFL, JLP | 99 | Claude Code, Codex, OpenCode | 7 | 4,862 tok |
| Kevin7Qi/codex-collab Collaborate with Codex from Claude Code | 99 | Claude Code, Codex | 1 | 1,320 tok |
| eLyiN/gemini-bridge A lightweight MCP server bridging AI agents to Google's Gemini AI via official CLI | 99 | Claude Code, Codex, OpenCode | 2 | 4,178 tok |
| mjunaidca/polymarket-skills Composable Agent Skills for Polymarket prediction market trading. Paper-trading-first, sec | 99 | Claude Code | 1 | 2,515 tok |
| Pardesco/hypernovum Agent Ops for your second brain - a 3D IDE for Obsidian built on Three.js. Visualize your | 99 | Codex, OpenCode | 1 | 484 tok |
| yavorsky/unbuilt.app unbuilt.app Free and Open Source technology detection tool | 99 | Claude Code, Codex, OpenCode | 3 | 1,097 tok |
| statsclaw/statsclaw statsclaw.ai A workflow framework for statistical package development | 99 | Claude Code | 2 | 25 tok |
| omergocmen/vibe-coder-kit | 99 | Codex, OpenCode | 1 | 728 tok |
| Siddhant-K-code/agent-trace siddhantkhare.com Observability for AI agents. See what your agent did, why it cost that much, and what to f | 99 | Codex, OpenCode | 1 | 923 tok |
| SantanderAI/ralph A configurable Bash/PowerShell loop that runs an AI coding CLI with a fresh session each i | 99 | Claude Code | 1 | 254 tok |
| microsoft/agentic-agile-template Agentic-Agile Development bridges Agile process values with the capabilities of AI coding | 99 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,345 tok |
| marianfoo/abap-mcp-server mcp-abap.marianzeis.de | 99 | Claude Code, Codex, OpenCode | 2 | 1,586 tok |
| dazuiba/handoff Delegate tasks to DeepSeek right inside your Claude Code / Codex sessions. | 99 | Claude Code | 1 | 763 tok |
| jupyter-ai-contrib/nb-cli A CLI-first interface for AI agents to work with notebooks | 99 | Claude Code, Codex, OpenCode | 2 | 846 tok |
| dash0hq/agent-skills OpenTelemetry skills and reference documentation for AI coding assistants - instrumentatio | 99 | Claude Code, Codex, OpenCode | 2 | 1,579 tok |
| wise-vision/ros2_mcp wisevision.tech ROS2 MCP: the MCP server that lets AI agents see, understand and operate ROS 2 robots. MPL | 99 | Codex, OpenCode | 1 | 734 tok |
| NVIDIA-TAO/tao-skill-bank | 99 | Codex, OpenCode | 1 | 2,626 tok |
| hookdeck/webhook-skills Webhook integration skills for AI coding agents (Claude Code, Cursor, Copilot). Step-by-st | 99 | Codex, OpenCode | 1 | 8,000 tok |
| hoangsonww/AI-Agents-Orchestrator hoangsonww.github.io 🪈 Intelligent orchestration system that coordinates multiple AI coding assistants (Claude | 99 | Claude Code, Codex, OpenCode | 19 | 1,736 tok |
| Lambenthan/empiricalwiki AI knowledge base for empirical research in economics and management — a complete pipeline | 99 | Claude Code, Codex, OpenCode | 31 | 4,874 tok |
| hamidi-dev/opentab 📊 Browse your AI coding spend in the terminal — OpenCode, Claude Code, Codex & friends | 99 | Claude Code, Codex, OpenCode | 2 | 982 tok |
| Mai-xiyu/Codex-Prompt Rational engineering system prompt for Codex and LLMs — focused on accuracy, software engi | 99 | Codex, OpenCode | 1 | 1,988 tok |