23,761 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| OutlineDriven/odin-gemini-cli-extension outlinedriven.github.io Outline-Driven Development for Gemini CLI - methodology + skills + agents for Google Gemin | 4 | Codex, OpenCode | 1 | 10,180 tok |
| ccivlcid/VibeHarness | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 24 | 3,278 tok |
| nikitaCodeSave/claude-code-harness Claude Code harness kit — designs, bootstraps, audits, and extends a project's .claude/ + | 4 | Claude Code, Codex, OpenCode | 2 | 1,512 tok |
| yogasw/wick yogasw.github.io Build internal tools and AI agents in Go — or just download and run Claude / Codex / Gemin | 4 | Claude Code, Codex, OpenCode | 15 | 2,041 tok |
| ownego/token-slayer Cooperative idle boss raid for engineering teams. Every token your coding agents spend (Cl | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 19 | 24,839 tok |
| boggedbrush/KodoCode kodocode.app A minimal web and desktop interface for orchestrating coding agents like Codex and Claude | 4 | Claude Code, Codex, OpenCode | 2 | 615 tok |
| tunghuynh/agentic-ai-conversation | 4 | Claude Code, Codex, OpenCode | 2 | 1,443 tok |
| robinade/apps-in-toss-fullstack-templates | 4 | Claude Code, Codex, OpenCode | 27 | 7,673 tok |
| Piasy/lark-skills A set of agent skills for lark. | 4 | Codex, OpenCode | 1 | 241 tok |
| Bamose/everything-codex-cli A Codex‑first configuration repo that provides global rules via AGENTS.md and modular skil | 4 | Codex, OpenCode | 1 | 393 tok |
| xiaoshiyilangzhao1996-droid/yinyo-writer Hidden Radiance Writing Constitution — WeChat Official Account article writing Skill | 4 | Codex, OpenCode | 1 | 642 tok |
| zayeagle/omnidev-kit OmniDev Kit is an advanced AI coding assistant enhancement toolkit that integrates the cor | 4 | Codex, OpenCode | 1 | 459 tok |
| untref-ayp2/apuntes untref-ayp2.github.io Apuntes de Algoritmos y Programación II | 4 | Claude Code, Codex, OpenCode | 6 | 1,656 tok |
| mskhambaty/mumineen-coordination-whatsapp project-c94rt.vercel.app WhatsApp app for Mumineen coordination | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 1,667 tok |
| houstongolden/bigbounce Geometric Dark Energy from Spin-Torsion Cosmology: A Comprehensive Framework with Observat | 4 | Claude Code, Codex, OpenCode | 13 | 9,498 tok |
| doidor/agentrig An agentic meta-harness — a harness of harnesses. | 4 | Claude Code, Codex, OpenCode | 6 | 491 tok |
| sharwell/ha-chandler-legacy-view Home Assistant integration for Bluetooth-connected water system valves | 4 | Codex, OpenCode | 1 | 1,792 tok |
| hypertrial/data-control-center Data Control Center | 4 | Claude Code, Codex, OpenCode | 3 | 406 tok |
| FoxsterDev/ai-research-hub foxsterdev.github.io Public AI operating layer for repo-attached engineering workflows, built around XUUnity. | 4 | Codex, OpenCode | 1 | 597 tok |
| DuskyElf/prep-jee prep-jee.pages.dev Upload JEE test PDFs → interactive quiz → instant grading | 4 | Codex, OpenCode | 1 | 9,134 tok |
| 8Dionysus/Agents-of-Abyss Constitutional polis of AoA: ecosystem identity, layer map, federation rules, and program- | 4 | Codex, OpenCode | 1 | 1,103 tok |
| draincoder/pyproject Minimal infrastructure settings for a quick start of a Python project. | 4 | Codex, OpenCode | 1 | 369 tok |
| Eric-KY-Zhang/FinPrism FinPrism — an Excel + VBA financial data scraping tool providing peer benchmarking tables | 4 | Claude Code, Codex, OpenCode | 2 | 8,017 tok |
| kevyder/constitution_chat constitucion91.kevyder.dev A Streamlit RAG chat over the "Constitución Política de Colombia de 1991." | 4 | Claude Code, Codex, OpenCode | 16 | 1,523 tok |
| MrpandaLiu/PandaSpec A new Spec-driven development for AI coding rules. | 4 | Codex, OpenCode | 1 | 148 tok |
| maannaan/Deplot | 4 | Codex, OpenCode | 1 | 191 tok |
| The-Little-AI-Company/open-work-relay the-little-ai-company.github.io Free/open handoff protocol for moving work across AI agents, queues, and people. | 4 | Codex, OpenCode | 1 | 945 tok |
| tuanductran/nextdns-skills Comprehensive AI agent skills for NextDNS management, covering API integration, CLI operat | 4 | Claude Code, Codex, OpenCode | 2 | 6,996 tok |
| russosalv/NONoise | 4 | Claude Code, Codex, OpenCode | 8 | 1,964 tok |
| tokuhirom/blog4 tokuhirom.github.io | 4 | Claude Code, Codex, OpenCode | 2 | 1,814 tok |
| aldianriski/lean-flow Lean agentic dev loop for Claude Code: prime → lean-doc → orchestrate → repeat. Eleven sta | 4 | Claude Code, Codex, OpenCode | 2 | 155 tok |
| sky-unicorn/dsh-enhanced-plugins DeepSeek Harness (DSH) all-in-one enhancement suite, built on public plugin extension poin | 4 | Codex, OpenCode | 1 | 3,985 tok |
| benjamcalvin/bootstraps A curated collection reusable patterns, agentic skills, and hooks that work for the proble | 4 | Claude Code, Codex, OpenCode | 2 | 989 tok |
| jutlyne/codex-mcp Security-first MCP server for connecting ChatGPT and Codex to local repositories, with saf | 4 | Codex, OpenCode | 1 | 312 tok |
| Createya-ai/Createya-mcp Createya MCP & API — 100+ AI models (FLUX, Kling, Runway, Sora 2, Veo 3.1, Suno, Midjourne | 4 | Codex, OpenCode | 1 | 1,597 tok |
| ExposureGuard/haldir haldir.xyz The guardian layer for AI agents — identity, secrets, audit via MCP. Gate + Vault + Watch. | 4 | Codex, OpenCode | 1 | 1,769 tok |
| unsoldgroup/mail-index unsoldgroup.github.io A local, agent-queryable mail intelligence layer — progressive mailbox index + MCP server | 4 | Codex, OpenCode | 1 | 1,379 tok |
| smartdatabrokers/slideforge-mcp slideforge.dev MCP server for consulting-quality PowerPoint slides. Remote — no install required. | 4 | Claude Code, Codex, OpenCode | 2 | 1,548 tok |
| animicaorg/all animica.org Animica — post-quantum (ML-DSA-65) proof-of-work Layer-1 blockchain by Alexander Lehman: P | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,954 tok |
| Wolfe-Jam/rust-faf-mcp faf.one Persistent Project Context for Rust MCP clients — IANA-registered .faf format · Rust-nativ | 4 | Claude Code, Codex, OpenCode | 2 | 2,545 tok |
| Aboudjem/sniff Point it at your running app. It walks your real user flows in a real browser and tells yo | 4 | Claude Code, Codex, OpenCode | 2 | 3,217 tok |
| flytohub/flyto-indexer flyto2.com Shows what a code change can break before an AI edits, and checks the repo before it says | 4 | Claude Code, Codex, OpenCode | 2 | 2,945 tok |
| davidf9999/gx-mcp-server A Python server that exposes Great Expectations data quality tools to LLM agents via the M | 4 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,420 tok |
| dawitlabs/capsule capsulectx.vercel.app Markdown context packs that help coding agents reduce repeated repository-discovery tokens | 4 | Claude Code, Codex, Cursor, OpenCode | 3 | 225 tok |
| l-agence/agence l-agence.github.io Governance layer for AI coding agents — every action classified, gated, and cryptographica | 4 | Claude Code, Codex, Cursor, OpenCode | 4 | 2,107 tok |
| go-ports/echovault Go port of echovault: Local-first memory for coding agents. Decisions, bugs, and context s | 4 | Claude Code, Codex, OpenCode | 2 | 4,651 tok |
| kuzivaai/getregula getregula.com Local code-observable AI-governance indicators for EU AI Act, South Korea AI Basic Act and | 4 | Codex, OpenCode | 1 | 915 tok |
| kanylbullen/xupersplit split.xuper.fun Accountless group expense splitter — share a link, everyone adds what they paid, settle up | 4 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| cyanheads/biorxiv-mcp-server npmjs.com Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — vi | 4 | Claude Code, Codex, OpenCode | 2 | 19,842 tok |
| iTophua/iterminal | 4 | Codex, OpenCode | 1 | 7,712 tok |