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 |
|---|---|---|---|---|
| tobyilee/book-writer Automated book-writing harness with Toby-style voice (11 agents + 10 skills, EPUB output) | 85 | Claude Code | 30 | 6,960 tok |
| HasteHealth/HasteHealth haste.health The Open-Source FHIR Server for AI-Native Health Apps | 85 | Claude Code, Codex, OpenCode | 3 | 1,815 tok |
| Devolutions/avalonia-extensions Custom Avalonia Themes developed by Devolutions | 85 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 1,444 tok |
| mituan-ai/PaperBanana-CN Scientific figure workbench with independent VLM/image connections, Chinese UI, and unifie | 85 | Claude Code, GitHub Copilot | 4 | 445 tok |
| acryldata/mcp-server-datahub docs.datahub.com The official Model Context Protocol (MCP) server for DataHub (https://datahub.com) | 85 | Claude Code | 2 | 668 tok |
| fastxyz/skill-optimizer Benchmark, evaluate, and optimize skills to ensure reliable performance across all LLMs | 85 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,762 tok |
| riemannzeta/patent_mcp_server pypi.org MCP Server for USPTO data | 85 | Claude Code, Codex, OpenCode | 2 | 5,865 tok |
| KilledByAPixel/LittleJS-AI AI-assisted toolkit for making HTML5 games with LittleJS: the engine, templates, and agent | 85 | Claude Code, Codex, OpenCode | 2 | 5,801 tok |
| spacedock-dev/spacedock Zero-dep agent workflows with structured approval gates and adversarial review. | 85 | Claude Code, Codex, OpenCode | 2 | 503 tok |
| 0xtbug/telbot Go-based tool for managing Telkomsel accounts via Telegram Bot, Terminal CLI, or MCP Serve | 85 | Claude Code, Codex | 1 | — |
| WillEhrendreich/SageFs sagetech.dev Sage Mode for F# development — REPL with solution or project loading, Live Testing for FRE | 85 | Codex, OpenCode | 1 | 8,819 tok |
| basecamp/skills basecamp.com AI agent skills for 37signals products: Basecamp, HEY, and Fizzy | 85 | Codex, OpenCode | 1 | 670 tok |
| muthuishere/hand-drawn-diagrams examples.deemwar.com Hand-drawn diagram skill for Claude Code and Codex. Generates monochrome architecture, wor | 85 | Claude Code, Codex, OpenCode | 2 | 2,748 tok |
| AlterLab-IEU/AlterLab-Academic-Skills alterlab-ieu.github.io 241 evaluated academic Claude/agent skills across 18 research domains — bioinformatics, ch | 85 | Claude Code | 1 | 2,323 tok |
| skills/agentic-workflows-that-read-the-room This is a GitHub Skills exercise on how to get started with Agentic Workflows where we wil | 85 | Claude Code, GitHub Copilot | 1 | — |
| brake71/1c-ssl-skills A collection of skills for AI agents working with 1C's Library of Standard Subsystems (BSP | 85 | Claude Code, Codex | 19 | 1,553 tok |
| ProfRino/Blender-MCP-Assembly-Skill Blender Assembly is a geometry-building skill for creating reliable 3D models in Blender v | 85 | GitHub Copilot | 1 | 211 tok |
| Brads3290/cclogviewer Review Claude Code .jsonl files with a nice HTML UI | 85 | Claude Code | 2 | 1,279 tok |
| DeDeveloper23/codebase-mcp Model Context Protocol implementation for retrieving codebases using RepoMix | 85 | Claude Code | 1 | 270 tok |
| eai-org/agent-toolkit eai-org.github.io Minimalistic, project-agnostic skills and rules for AI coding agents | 85 | Claude Code, Codex, OpenCode | 2 | 253 tok |
| OpenDrone-hw/OpenFC-Lite opendrone.be Open-source Betaflight flight controller. RP2354B, 30.5x30.5 mm, 6-layer, 3-8S, CERN-OHL-S | 85 | Codex, OpenCode | 1 | 3,803 tok |
| wardmos/waybill Continue unfinished work across coding agents with portable handoff bundles. | 85 | Claude Code, Codex, OpenCode | 2 | 635 tok |
| moorestech/moorestech Animated open world automated factory game | 85 | Claude Code, Codex, OpenCode | 39 | 4,621 tok |
| baimard/gestion baimard.github.io | 85 | Codex, OpenCode | 1 | 65 tok |
| mortis-cube/mo-code mo-code is an experimental project by mortis implementing Claude Code's core functionality | 85 | Claude Code, Codex, OpenCode | 12 | 95 tok |
| gtapps/claude-code-hermit Think Claude Tag, but local. | 84 | Claude Code, Codex, OpenCode | 3 | 4,076 tok |
| traverse-framework/traverse traverse-framework.com Contract-driven runtime for portable business capabilities — spec-governed, WASM-first, co | 84 | Claude Code, Codex, OpenCode | 13 | 1,268 tok |
| 0xSanei/darwinia colab.research.google.com The Self-Evolving Agent Ecosystem — Trading agents that evolve through Darwinian selection | 84 | Claude Code, Codex, OpenCode | 3 | 1,631 tok |
| honeymux/honeymux hmx.dev All of your agents, shells, and TUIs in one durable terminal workspace | 84 | Claude Code, Codex, OpenCode | 2 | 3,532 tok |
| paulrobello/par_cc_usage Claude Code usage monitor | 84 | Claude Code | 1 | 714 tok |
| yxhpy/comfy-prompt-studio AI image-generation web application — Ollama/Gemini prompt enhancement + ComfyUI workflows | 84 | Claude Code, Codex, OpenCode | 2 | 4,837 tok |
| jarredkenny/jmux jmux.build A tmux environment built for running coding agents in parallel — with a persistent sidebar | 84 | Claude Code | 1 | 24,420 tok |
| jmrplens/TFG-TFM_EPS jmrp.io Plantilla LaTeX para la elaboración de TFG y TFM en la Escuela Politécnica Superior de la | 84 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 14,706 tok |
| CaptainCrouton89/mcp-boilerplate | 84 | Claude Code | 1 | 636 tok |
| lirantal/ls-mcp List MCP Server configurations in your system used by AI applications like Cursor, Claude | 84 | Codex, OpenCode | 1 | 357 tok |
| bstaruk/starbase starbase.dev ⭐ A front-end starter kit and Claude Code boilerplate -- built on Vite 8, TypeScript 6, Ta | 84 | Claude Code | 1 | 268 tok |
| nikhilvallishayee/universal-pattern-space patternspace.ai Pattern Space: Where Minds Dance Together | 84 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,156 tok |
| adoresever/cloud-code clau, de code modified version | 84 | Claude Code | 1 | 758 tok |
| sandst1/remind sandst1.github.io A memory layer for AI Agents | 84 | Claude Code, Codex, OpenCode | 6 | 3,423 tok |
| gutsavgupta/nvim-gemini-companion A Neovim plugin to integrate Gemini CLI well (+ Qwen-code now) | 84 | Gemini CLI | 1 | 776 tok |
| shyftlabs/continuum docs.continuum.shyftlabs.io Continuum — the agent runtime by ShyftLabs. Build, orchestrate, ship. | 84 | Claude Code, Codex, OpenCode | 13 | 6,521 tok |
| skvdhshuk-blip/hao-code Framework-free PHP Agent SDK for Anthropic, OpenAI Responses, and Chat Completions-compati | 84 | Claude Code, Codex, OpenCode | 2 | 1,936 tok |
| attunehq/nudge attunehq.com Give your agent a nudge. | 84 | Claude Code, Codex, OpenCode | 6 | 6,135 tok |
| Grant-leo/word_chat | 84 | Claude Code, Codex, OpenCode | 3 | 16,807 tok |
| Blushyes/reef blushyes.github.io The minimal dev terminal for the AI coding era — AI writes the code, Reef is where you r | 84 | Claude Code, Codex | 6 | — |
| simpx/loopat Self-hosted AI workspace built around context management. Works solo, scales to teams. | 84 | Claude Code | 1 | 708 tok |
| kyungseo/skillstead Practical, portable skills for agentic coding workflows — clearer diagrams, checked claims | 84 | Claude Code, Codex, OpenCode | 2 | 190 tok |
| jaylfc/taosmd Local-first AI memory — runs offline on any machine with 8 GB+ RAM (SBC, mini PC, laptop, | 84 | Claude Code, Codex, OpenCode | 3 | 3,177 tok |
| vaultys/VaultysClaw docs.vaultys.ai Zero-trust security for millions of AI agents | 84 | Claude Code, GitHub Copilot | 6 | 7,758 tok |
| AndreiNicu/World-Forge A repository for agentic world building to roleplay in. A world seed template is used for | 84 | Claude Code, Codex, OpenCode | 2 | 27,020 tok |