23,196 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| gpauloski/python-template gregpauloski.com Python package template | 19 | Claude Code, Codex, OpenCode | 2 | 772 tok |
| paulyuk/snap-squad Warm-start addon for bradygaster/squad — pre-baked agent squads for hire for instant deplo | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,506 tok |
| yourbuddyconner/valet Self-hosted background coding agents with full dev environments. | 19 | Claude Code, Codex, OpenCode | 2 | 7,797 tok |
| oeftimie/vv-claude-harness This is my Claude Code harness, a combination between Anthropic's guidelines for long runn | 19 | Claude Code, Codex, OpenCode | 6 | 1,768 tok |
| SpillwaveSolutions/architect-agent architect-agent | 19 | Claude Code, Codex, OpenCode | 2 | 2,927 tok |
| stelee410/agent-mailer amp.linkyun.co AMP (Agent Mailer Protocol) is an async mailbox system for AI agents. Instead of chaining | 19 | Claude Code, Codex, OpenCode | 10 | 627 tok |
| hereisSwapnil/memwiki A persistent memory protocol for AI coding agents that gives projects a shared, markdown b | 19 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 680 tok |
| dnlbox/ai-protocol Start with a concept, not a stack. A harness-agnostic protocol that scaffolds greenfield p | 19 | Codex, OpenCode | 1 | 1,370 tok |
| ironlint/ironlint Agentic-native linting tool to enforce deterministic quality gates | 19 | Claude Code, Codex, OpenCode | 2 | 1,692 tok |
| botAGI/morpheus-ai WAKE.md for AI agents: compile project state so agents stop starting cold. | 19 | Codex, OpenCode | 1 | 694 tok |
| yoanbernabeu/producthunt-skills 🚀 31 AI Agent Skills for Product Hunt launches. Expert guidance for strategy, content, ma | 19 | Codex, OpenCode | 1 | 812 tok |
| cloud-apim/otoroshi-llm-extension cloud-apim.github.io Connect, setup, secure and seamlessly manage LLM models using an Universal/OpenAI compatib | 19 | Codex, OpenCode | 1 | 934 tok |
| MohamedAbdallah-14/prompt-to-asset npmjs.com MCP server + CLI for production-grade software assets (logos, app icons, favicons, OG, ill | 19 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 17 | 20,707 tok |
| XCode-NLP/KodaSkills kodacode.ru Skills for KodaCode. | 19 | Codex, OpenCode | 1 | 3 tok |
| doublegate/CyberChef-MCP doublegate.github.io Model Context Protocol server for CyberChef — exposes GCHQ's "Cyber Swiss Army Knife" as A | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 16,037 tok |
| ognistik/ursus Local MCP, CLI, and utilities for Bear. AI for your Notes. | 19 | Codex, OpenCode | 1 | 732 tok |
| backenly/backenly backenly.com Autonomous backend platform. Your coding agent builds it over MCP, Backenly keeps it runni | 19 | Claude Code, Codex, OpenCode | 2 | 5,058 tok |
| SkeneTechnologies/plg-skills | 19 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 596 tok |
| monkey2jack/aiduMEI aiduMEI⚕ Aidu Memory Engine Insight · General-purpose wisdom engine for agents — Excellent | 19 | Codex, OpenCode | 1 | 1,355 tok |
| chuancyzhang/deepseek-cowork DeepSeek Cowork is a Windows desktop agent workspace built around DeepSeek-style reasoning | 19 | Codex, OpenCode | 1 | 2,411 tok |
| alicomert/pixcode Self-hosted AI coding agent control plane — Claude Code, Codex, Gemini CLI, Cursor, Qwen & | 19 | Codex, OpenCode | 1 | 1,736 tok |
| snyk-labs/toxicskills-goof ToxicSkills - malicious agent skills in openclaw / clawhub / agent supply chain | 19 | Claude Code, Codex, Gemini CLI | 6 | — |
| workato-devs/recipe-skills Connector-specific knowledge for AI coding agents building Workato recipes. Datapill synta | 19 | Claude Code, Codex, OpenCode | 8 | 1,061 tok |
| diyiwuyan/onebench Open-source, local-first personal workbench for everyday users. | 19 | Codex, OpenCode | 1 | 723 tok |
| CanglongCl/dsh-web-review A web preview and element annotation plugin for the DeepSeek Harness Web GUI, enabling AI | 19 | Claude Code, Codex, OpenCode | 2 | 10,046 tok |
| viteinfinite/sync-skills Synchronize agent skill definitions between .claude and .codex directories | 19 | Claude Code, Codex, OpenCode | 12 | 277 tok |
| pablostanley/efecto-plugin efecto.app AI design skills + 46 MCP tools for Claude Code, Cursor, Windsurf, Copilot, and any AI age | 19 | Codex, OpenCode | 1 | 606 tok |
| ma2za/google-news-api pypi.org Google News API Python client for Google News RSS search, top stories, async clients, URL | 19 | Claude Code, Codex, OpenCode | 3 | 763 tok |
| zapier/agent-skills skills.sh Agent skills for working with Zapier, maintained by Zapier teams. Indexed by skills.sh. | 19 | Claude Code, Codex, OpenCode | 2 | 1,628 tok |
| MarioZZJ/cc-notify-hooks mariozzj.github.io Agent response-waiting notification plugin (supports Claude Code, CodeX, DeepSeek Harness, | 19 | Claude Code, Codex, OpenCode | 2 | 2,577 tok |
| Open-Harness/open-harness open-harness.github.io | 19 | Claude Code, Codex, OpenCode | 5 | 6,022 tok |
| Corporationakht/LocalCodeCli A powerful local proxy for Claude Code CLI and Codex CLI supporting NVIDIA NIM, Google,Gem | 19 | Claude Code, Codex, OpenCode | 2 | 3,287 tok |
| drasticstatic/tradingview-mcp-jackson TradingView Desktop MCP — Fortuna trading system working copy. Upstream: LewisWJackson/tra | 19 | Claude Code, Codex, OpenCode | 2 | 4,393 tok |
| Fabric-Pro/fizzy-mcp fizzy.fabric.pro Model Context Protocol Server for Fizzy | 19 | Claude Code, Codex, OpenCode | 2 | 1,704 tok |
| sunnyday-technologies/CADCLAW The testing framework CAD never had — automated validation, interference detection, and st | 19 | Codex, OpenCode | 1 | 1,753 tok |
| donnfelker/loop-skills Autonomous, self-re-prompting agent loops for Claude Code — packaged as independently-inst | 19 | Claude Code, Codex, OpenCode | 2 | 1,262 tok |
| synthesisengineering/synthesis-skills Synthesis Skills — reusable AI agent skills built on the Agent Skills open standard. Insta | 19 | Claude Code, Codex, OpenCode | 2 | 1,326 tok |
| epicsagas/epic-harness epicsagas.github.io Multi-tool AI agent harness — 22 skills, self-evolving engine, unified memory, autonomous | 19 | Claude Code, Codex, OpenCode | 3 | 4,767 tok |
| ZenMux/skills ZenMux Skills Repo | 19 | Claude Code, Codex, OpenCode | 2 | 1,286 tok |
| aliasunder/vault-cortex npmjs.com Standalone MCP server for Obsidian vaults — hybrid search, structured memory, task managem | 19 | Claude Code, Codex, OpenCode | 5 | 20,624 tok |
| rlrghb/olkcli Outlook in your terminal | 19 | Claude Code, Codex, OpenCode | 2 | 6,203 tok |
| nikships/skills-registry skills-registry.dev Your personal GitHub registry for AI Agent Skills. One repo. EVERY agent. EVERY device. Lo | 19 | Claude Code, Codex, OpenCode | 2 | 659 tok |
| XZXZZX-Ai/bilibili-mcp Bilibili MCP tool A Bilibili MCP server | 19 | Claude Code, Codex, OpenCode | 14 | 1,197 tok |
| MackDing/andrej-karpathy-skills-zh Claude Code / Codex / Cursor AI coding rules: Chinese version of the Karpathy coding guide | 19 | Claude Code, Codex, OpenCode | 2 | 1,469 tok |
| nikandr-surkov/ai-saas-starter ai-saas-starter-six.vercel.app AI SaaS boilerplate for Next.js 16 — Better Auth, Stripe subscriptions, credits system, AI | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 1,999 tok |
| lj22503/awesome-finai-tools-zn A comprehensive overview of Chinese financial AI tools: Market Data MCP, quantitative fram | 19 | Codex, OpenCode | 1 | 139 tok |
| agentmail-to/agentmail-plugins | 19 | Codex, OpenCode | 1 | 503 tok |
| ever-works/directory-web-template ever.works Open-Source Directory Website NextJs Boilerplate (part of Ever® Works™ Platform) - https:/ | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 17,352 tok |
| shikokuchuo/secretbase shikokuchuo.net secretbase - Cryptographic Hash Functions and Data Encoding | 19 | Codex, OpenCode | 1 | 951 tok |
| volcengine/volcengine-skills | 19 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,793 tok |