23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| fernandogarzaaa/chimeralang-mcp ChimeraLang MCP Server — probabilistic types, consensus gates, and hallucination detection | 1 | Claude Code, Codex, OpenCode | 9 | 3,193 tok |
| leaf76/lazy_mobile_mcp npmjs.com Local MCP server for Android/iOS mobile automation and performance telemetry via ADB, simc | 1 | Codex, OpenCode | 1 | 2,621 tok |
| webmaxru/ai-native-dev webmaxru.github.io Plugin marketplace for AI-native development agent skills | 1 | Codex, OpenCode | 1 | 507 tok |
| VXNTedits/fusion360-mcp-periscope PERISCOPE — Read-only Fusion 360 MCP: an Autodesk add-in for Claude, Codex, & Co. | 1 | Codex, OpenCode | 1 | 1,158 tok |
| vineetu/simple-host simple-host.app Describe a website to the AI you already use and it's online. Every site can save data (RS | 1 | Claude Code, Codex, OpenCode | 2 | 3,588 tok |
| lucyfengcl-art/video-prep Drop raw clips in a folder, get silence-cut, subtitled video. Subtitles in 90+ languages ( | 1 | Codex, OpenCode | 1 | 307 tok |
| enalbenerraw/blanewarrene Blane's AI PM Repository | 1 | Claude Code, Codex, OpenCode | 2 | 3,300 tok |
| jtprogru/bear-skills Multi-domain collection of rules, skills, and agents for Claude Code: Obsidian PKB, Git wo | 1 | Codex, OpenCode | 1 | 3,511 tok |
| runnithan/claudex-setup Portable Claude Code and Codex configuration: slash commands, subagents, hooks, skills, an | 1 | Claude Code, Codex, OpenCode | 4 | 3,100 tok |
| teachskillofskills-ai/ContentForge-techshu techshu.ai Editorial pipeline for TechShu delivery teams - research, fact-check, draft, humanize, del | 1 | Codex, OpenCode | 1 | 1,843 tok |
| monahright467/harness-books Explore harness engineering books for building bounded, accountable code workflows in term | 1 | Claude Code, Codex, OpenCode | 2 | 913 tok |
| developer239/michals-opencode-cookbook The only harness skeleton you will ever need. | 1 | Codex, OpenCode | 1 | 5,033 tok |
| Tespera/alluvium Auto-archive Claude Code sessions to your Obsidian vault as a Karpathy-style LLM wiki. Pas | 1 | Claude Code, Codex, OpenCode | 5 | 3,383 tok |
| shenchangmin/cairnkit A knowledge-precipitation harness for Claude Code and Codex — the workflow is the pipe, kn | 1 | Claude Code, Codex, OpenCode | 2 | 3,846 tok |
| bitqs/Slime slime-arena-demo.shuangqu.workers.dev ⚔️ Turn your real Claude Code session into a turn-based RPG — a statusline HUD + PixiJS ar | 1 | Claude Code, Codex, OpenCode | 2 | 3,238 tok |
| adaline-ankit/your-tam-is-fake A GTM strategist for your coding agent that does the research, rebuilds your TAM from scra | 1 | Codex, Gemini CLI, OpenCode | 2 | 4,408 tok |
| Kepei-Lei102/breakwatch Break reminders that know how long you have actually been working. Two Claude Code hooks, | 1 | Claude Code, Codex, OpenCode | 2 | 1,446 tok |
| meganemura/headsign Create project-local skills that help coding agents complete work and improve their method | 1 | Claude Code, Codex, OpenCode | 2 | 590 tok |
| ATLAS-DEV78423/AgentBridge Migrate AI coding agent config between 12 agents — Claude Code, Codex, Copilot, Cursor, Ge | 1 | Codex, OpenCode | 1 | 2,133 tok |
| Jack-infinity420/three-mechanisms-plugin Claude Code plugin | Cursor plugin | Trae plugin | Codex plugin — AI agent code of conduct | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,154 tok |
| voidvec/drogon-claude-plugin Drogon C++ backend Claude Code plugin: async discipline rules, 17 code-generation skills, | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,075 tok |
| Aboudjem/goalify goalify-kappa.vercel.app Give your AI a big job. goalify asks all the questions first. Then the AI works alone, for | 1 | Codex, OpenCode | 1 | 2,220 tok |
| derio-net/super-fr Claude Code plugin suite: superpowers-wrapped planning, devcontainer+worktree isolation, g | 1 | Claude Code, Codex, OpenCode | 2 | 14,178 tok |
| muji-j/jp-power-tools General domain knowledge and tools for Japan's electricity market and power industry (gene | 1 | Codex, OpenCode | 1 | 705 tok |
| SoliEstre/twdd twdd.estre.so Test-Window-Driven Development: maximize safe, replayable evidence from scarce real-world | 1 | Codex, OpenCode | 1 | 587 tok |
| kanopi/cms-planner kanopi.github.io Claude Code plugin for web development project planning. | 1 | Claude Code, Codex, OpenCode | 2 | 4,798 tok |
| morodomi/dev-crew AI development team as a Claude Code plugin -- TDD workflow, security audit, and phase-bou | 1 | Claude Code, Codex, OpenCode | 4 | 2,462 tok |
| kingkingburger/plugin-mh Claude Code plugin — 18 custom skills for thinking, deciding, and building smarter | 1 | Claude Code, Codex, OpenCode | 2 | 5,375 tok |
| chris-peterson/beacon chris-peterson.github.io beacon what every session is doing. | 1 | Claude Code, Codex, OpenCode | 4 | 3,698 tok |
| attac-t/the-foundry Opinionated Claude Code plugins. How to think, what to build, how to ship, how to test. | 1 | Claude Code, Codex, OpenCode | 5 | 980 tok |
| richer-richard/cc-research Multi-agent deep research on Claude models: a Claude Code plugin + Agent SDK CLI sharing o | 1 | Codex, OpenCode | 1 | 962 tok |
| punt-labs/punt-kit Standards, design guidance, and scaffolding for Punt Labs projects | 1 | Claude Code, Codex, OpenCode | 3 | 7,863 tok |
| evb87-tech/corpus Engine + plugin marketplace for an LLM-curated second brain. Karpathy LLM-wiki pattern wit | 1 | Claude Code, Codex, OpenCode | 5 | 1,982 tok |
| apolenkov/feynman npmjs.com why explain in words when diagram do trick | 1 | Codex, OpenCode | 1 | 254 tok |
| M0rtalPhe0nix/dotfiles Opinionated workstation setup for Apple Silicon macOS and Debian or Ubuntu desktops. | 1 | Claude Code, Codex, OpenCode | 2 | 1,560 tok |
| MRGRD56/bash-safety-checker Claude Code hook that classifies shell commands as read-only or destructive using an LLM | 1 | Codex, OpenCode | 1 | 756 tok |
| jeroromano/claude-code-orchestration-template Claude Code orchestration template for specialized agents, reusable skills, spend gates, a | 1 | Claude Code, Codex, OpenCode | 2 | 2,513 tok |
| JulianBerger/cursor-rules-to-agents-md Convert .cursor/rules into a standardized AGENTS.md file | 1 | Codex, OpenCode | 1 | 694 tok |
| nutdnuy/quantcoder-plugin Claude Code and Codex plugin wrapper for QuantCoder research-paper to QuantConnect workflo | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 641 tok |
| Shahriar-Rumel/skillforge skillforge-gules.vercel.app SkillForge is a dual-sided marketplace connecting creators of AI agents with deployers who | 1 | Claude Code, Codex, OpenCode | 2 | 297 tok |
| DustinVK/wherefore The why behind your code, as plain markdown in your repo. Agent skill to capture decisions | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,870 tok |
| spectacular-voyage/kato spectacular.voyage Own your AI conversations | 1 | Codex, OpenCode | 1 | 317 tok |
| soolaxx/swarmux fortnite-kid.vercel.app Manage and control tmux sessions with agents for efficient local coding task orchestration | 1 | Codex, OpenCode | 1 | 346 tok |
| grnbtqdbyx-create/contextforge Agent context gate for Codex, Claude Code, Copilot, MCP, Cursor, Cline, Gemini and Windsur | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 445 tok |
| Bita71/Agent-Workflow-Kit Copy-ready agent workflow for Cursor, Claude Code, and Codex. Plan, build, review, and ver | 1 | Claude Code, Codex, OpenCode | 23 | 1,191 tok |
| afaraha8403/balakit Opinionated, cross-agent rules and skills for AI coding agents — one npx install into Curs | 1 | Claude Code, Codex, OpenCode | 2 | 8,257 tok |
| sungurerdim/dev-skills 32 multi-phase AI coding skills with executable gates — pure markdown, zero dependencies. | 1 | Claude Code, Codex, OpenCode | 2 | 6,023 tok |
| fatalex27/vibe-27 CLAUDE.md + AGENTS.md: 27 vibe coding rules for Cursor & Claude Code — think before coding | 1 | Claude Code, Codex, OpenCode | 2 | 3,426 tok |
| commerce-atoms/agents Reusable AI agents and editor rules for building scalable ecommerce systems. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,536 tok |
| Heretek-AI/Agent-Proof Deterministic zero-trust mechanical hard-gate CLI for autonomous AI coding agents (Claude | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,020 tok |