43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| impactbrussels/AINativeOS impact.brussels The open OS for building an AI-native company in hard-mode sectors. A 15-chapter Handbook, | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,832 tok |
| gpolanco/dev-workflows npmjs.com CLI that compiles AI coding rules once to CLAUDE.md, .cursor/rules, and GEMINI.md. Write r | 1 | Claude Code | 3 | 602 tok |
| hajekim/agentic-design-patterns-extension Gemini CLI Extension — Gemini CLI Extension packaging 28 agentic design pattern skills for | 1 | Gemini CLI | 1 | 1,106 tok |
| chana1024/linux-agent-island X11 floating desktop island for Claude Code, Codex CLI, and Gemini CLI sessions with jump- | 1 | Claude Code, Codex, OpenCode | 2 | 2,078 tok |
| racastellanosm/agent-skills Question, Research, Structure, Plan & Implement (with Handoff). Real Workflows for Real | 1 | Codex, OpenCode | 1 | 2,799 tok |
| jessemaxh/GlanceTerm The terminal for running multiple AI coding agents in parallel — Claude Code, Codex, Gemin | 1 | Claude Code | 1 | 685 tok |
| agladysh/cogtools Metacognitive Tooling Scaffolding for AI Agents | 1 | Gemini CLI | 1 | 91 tok |
| alex-lamport/kaora-memory Operating memory and behaviour for AI agents. Works on any project, fresh or existing. | 1 | Claude Code, Codex, OpenCode | 2 | 3,905 tok |
| khadinakbarlabs/shopify-app-builder npmjs.com Open-source Shopify app development plugin with 32 skills for Claude Code, Codex, Cursor, | 1 | Gemini CLI | 1 | 176 tok |
| azazhang/finance-literature-review-skill Finance-first literature review skill pack for Codex, Cursor, Claude, Gemini, and Copilot. | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 845 tok |
| Nick2bad4u/SonarCloud-Skill npmjs.com AI skill for managing findings on SonarCloud / SonarQube | 1 | Codex, OpenCode | 1 | 435 tok |
| 269394628/PatchLeague One issue in. Several coding agents compete. One tested patch out. | 1 | Codex | 1 | — |
| zucchini-chat/zucchini-spawner zucchini.chat Spawner daemon for the Zucchini Chat app: runs Claude Code on your Mac or Linux machine in | 1 | Claude Code, Codex, OpenCode | 2 | 2,805 tok |
| zyli5313/dochost-gemini-extension dochost.io Publish Markdown/HTML from Gemini CLI as shareable links — dochost remote MCP extension | 1 | Gemini CLI | 1 | 392 tok |
| lamguo/agent-context-doctor pypi.org Audit, generate, sync, and package repository context files for AI coding agents. (AGENTS. | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,646 tok |
| yal212/hangar.nvim Run a fleet of coding agents in parallel git worktrees. Review and merge from a dashboard | 1 | Claude Code | 1 | 304 tok |
| dpitois/niko-niko Only vibe coded with Gemini CLI. No human code, human only prompts and Gemini codes | 1 | Codex, Gemini CLI, OpenCode | 2 | 3,430 tok |
| rogermt/forgesyte ForgeSyte is a modular AI‑vision MCP server | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,761 tok |
| ymstar/agentmeter npmjs.com 🎯 Track AI agent token usage, costs & cache hit rates. CLI + dashboard for Claude Code, C | 1 | Claude Code | 1 | 1,296 tok |
| vmelooo/not-goldfish Memória universal, cache e higiene de contexto para agentes de IA (Claude Code, Codex, Gem | 1 | Claude Code | 1 | 812 tok |
| slowdoctor-dev/workspace-md A workspace-topology specification — a sibling to agents.md. Defines how a directory share | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 645 tok |
| lufermalgo/ai-for-non-developers When a non-developer tries to build with AI, they face two major walls: the technical "how | 1 | Claude Code | 1 | 2,193 tok |
| netopsengineer/wsl-fedora-guest-tools A robust bootstrapper and idempotent update utility for Fedora WSL environments and AI too | 1 | Claude Code, Codex, OpenCode | 2 | 3,412 tok |
| iamcc30/codexm Multi-account/multi-profile switching and multi-project management tool for OpenAI Codex C | 1 | Codex, OpenCode | 1 | 612 tok |
| VictorTomaili/agent-cli npmjs.com Manage AGENTS.md across all your AI coding agents — one canonical source in ~/.agents, mir | 1 | Claude Code, Codex, OpenCode | 5 | 950 tok |
| VibeVista/seojae seojae-beta.vercel.app A collaborative LLM-wiki framework connecting personal and external knowledge — 서재(書齋) | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,824 tok |
| schmusch/roblox-ai-workflow Multi-tool SSOT skill set for AI-assisted Roblox game development — Claude Code, Gemini CL | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,065 tok |
| d-wwei/agent-recall Persistent memory for AI coding agents — across tools, sessions, and projects. Works with | 1 | Claude Code | 3 | 678 tok |
| bhuvangupta/vapt-claude Full-spectrum web application VAPT skill for Claude Code, OpenCode, Codex CLI & Gemini CLI | 1 | Codex, Gemini CLI, OpenCode | 2 | 1,377 tok |
| JhonatanRian/gemini-simplify-extension Ecosystem-aware code simplification for Gemini CLI powered by live research and specialize | 1 | Gemini CLI | 1 | 420 tok |
| Potato7711/blueprint An engineering system for AI coding agents. Gated workflow, persistent state, and a defini | 1 | Claude Code, Codex, OpenCode | 2 | 359 tok |
| rickli0822-prog/windows-ai-login-doctor Fix Codex, Claude Code and Gemini login, OAuth and proxy failures on Windows | 1 | Codex, OpenCode | 1 | 159 tok |
| laozhangzzz/agent-pitbook laozhangzzz.github.io LLM-readable debugging knowledge base: structured pits that help coding agents find buried | 1 | Codex, OpenCode | 1 | 687 tok |
| King-A23/agent-reflectmem Cross-session shell reflection memory for code agents. | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,726 tok |
| vonzelle-vzt/vzt-ssh-phone Remote SSH into your Windows PC from your phone, Mac, or Android over Tailscale — key auth | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,633 tok |
| gabonio/agent-operator-toolkit Portable software-development skills for Codex, Claude Code, and Gemini CLI—featuring Buil | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 777 tok |
| w-zeyu/Claude-Code-Game-Master 📚 Extract characters and plots from any book PDF to create immersive AI-driven roleplay a | 1 | Claude Code | 1 | 11,088 tok |
| yuri-semenenko/ai-engineering-workspace One engineering workflow across Claude Code, Codex, Copilot, and Gemini CLI. A portable pe | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,433 tok |
| tanaikech/sample-gemini-cli-extension medium.com This is a sample repository for helping understand the development of Gemini CLI Extension | 1 | Gemini CLI | 1 | 28 tok |
| Ezee234/symbi-gemini-cli Extend Gemini CLI with Symbiont’s zero-trust AI governance to enforce policies, verify too | 1 | Gemini CLI | 1 | 1,005 tok |
| wasabina67/zen-slug-cleaner chromewebstore.google.com Zen Slug Cleaner 😎 | 1 | Gemini CLI | 1 | 32 tok |
| theorionic/mcp-acp-bridge A stateful Model Context Protocol (MCP) server that acts as a bridge to interact with Agen | 1 | Claude Code, Codex | 1 | — |
| myshkin451/vibe-harness Lightweight repository harness for AI coding projects: context, progress, verification, an | 1 | Codex, OpenCode | 1 | 318 tok |
| dinglebear-ai/dendrite Portable plugin marketplace for Claude Code, Codex, and Gemini — one 77-plugin catalog of | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,684 tok |
| AUTMZR/cmd autmzr.com All your VPS and CLIs in one mobile interface. Self-hosted, open-source. | 1 | Claude Code | 1 | 2,754 tok |
| JohnPremKumar/agent-notifier npmjs.com Cross-platform desktop notifier for AI coding CLIs (Claude Code, Codex, Gemini, OpenCode). | 1 | Claude Code | 1 | 1,609 tok |
| sudoax0n/gemini-watch A native, zero-friction YouTube extension for Gemini CLI. Gives the agent "eyes" to fetch | 1 | Gemini CLI | 1 | 766 tok |
| yeslogic/prince-pdf-gemini Gemini extension for Prince PDF conversion | 1 | Gemini CLI | 1 | 210 tok |
| MohamedHamed19m/Gemini_Tasks Autonomous task management and coding loops for Gemini CLI. AI-driven TDD, dependency mana | 1 | Gemini CLI | 1 | 2,279 tok |
| eai-support/eai-gofer eai-support.github.io Spec-driven delivery workflow for VS Code and AI coding CLIs | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 3,922 tok |