24,785 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 |
|---|---|---|---|---|
| incubateur-ademe/benefriches benefriches.ademe.fr L'outil numérique qui quantifie et monétarise les impacts environnementaux, sociaux et éco | 45 | Claude Code, Codex, OpenCode | 23 | 2,052 tok |
| idoforgod/Church-Admin-AgenticWorkflow Church Administration AI Agentic Workflow Automation System | 45 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 44 | 40,238 tok |
| contentful/contentful-laravel Laravel integration for the Contentful SDK. | 45 | Codex, OpenCode | 1 | 846 tok |
| ProvableHQ/python-sdk | 45 | Claude Code, Codex, OpenCode | 2 | 1,783 tok |
| Snapchat/Valdi_Widgets | 45 | Codex, OpenCode | 1 | 2,743 tok |
| IndianOldTurtledove/codex-oss-maintainer-toolkit Codex-first toolkit for open-source maintainers: AGENTS.md, skills, automation, and verifi | 45 | Codex, OpenCode | 1 | 352 tok |
| shelby/shelby-skills shelby.xyz Agent skills for building on Shelby | 45 | Claude Code, Codex, OpenCode | 2 | 689 tok |
| EasyDevv/pyhunt Lightweight Python logging tool for visual call tracing, tree-structured colored logs, and | 45 | Claude Code, Codex, OpenCode | 2 | 947 tok |
| CyberBoyAyush/zenox OpenCode plugin for intelligent agent orchestration with specialized subagents and paralle | 45 | Codex, OpenCode | 1 | 2,158 tok |
| wilson-anysphere/indonesia A better Java LSP | 45 | Codex, OpenCode | 1 | 2,333 tok |
| gmaxxxie/ai-native-product-agent-skills AI Native Product Methodology — 80 executable skills across P0-P14 stages, covering needs | 45 | Codex, OpenCode | 1 | 950 tok |
| jalpp/chessagineweb A chess app I maintain for my self | 45 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| vercel/microfrontends vercel.com Build microfrontends on Vercel | 45 | Claude Code, Codex, OpenCode | 2 | 2,188 tok |
| ssdeanx/AgentStack AgentStack is a production-grade multi-agent framework built on Mastra, delivering 50+ ent | 45 | Claude Code, Codex, GitHub Copilot, OpenCode | 50 | 34,906 tok |
| JKorf/CryptoClients.Net cryptoexchange.jkorf.dev Library allowing full access to multiple different cryptocurrency exchange API's. Provides | 45 | Codex, GitHub Copilot, OpenCode | 2 | 3,280 tok |
| zjinhu/Brick_SwiftUI Quickly build SwiftUI apps with a SwiftUI standard library extension, high-version API com | 45 | Codex, OpenCode | 1 | 5,789 tok |
| cameroncooke/skills My own personal collection of skills | 45 | Codex, OpenCode | 1 | 202 tok |
| briandconnelly/mcp-server-ipinfo mcp.ipinfo.io DEPRECATED: use the official IPinfo MCP server at https://mcp.ipinfo.io | 45 | Claude Code, Codex, OpenCode | 2 | 748 tok |
| KevinKE93/Dev_Agent_OPC A automatic dev agent from idea → spec → design → plan → build → test → review → ship and | 45 | Codex, OpenCode | 1 | 2,562 tok |
| lucas-flatwhite/gstack-ko Use Garry Tan's exact Claude Code setup: 6 opinionated tools that serve as CEO, Eng Manage | 45 | Claude Code, Codex, OpenCode | 2 | 538 tok |
| Youhai020616/stealth-cli npmjs.com 🦊 Anti-detection browser CLI powered by Camoufox — browse, screenshot, search, extract, c | 45 | Codex, OpenCode | 1 | 3,000 tok |
| imjszhang/js-eyes js-eyes.com Browser Extension for AI Agent like OpenClaw | 45 | Codex, OpenCode | 1 | 1,961 tok |
| Robotti-io/copilot-security-instructions ✨ A customizable copilot-instructions.md ruleset & prompts to guide GitHub Copilot toward | 45 | Claude Code, Codex, GitHub Copilot | 12 | 1,869 tok |
| oxbshw/Agent-Span The Web Access Gateway for AI Agents — 52 channels, 92 MCP tools, 9 SDKs, self-healing bac | 45 | Codex, OpenCode | 1 | 700 tok |
| OpenFDEAI/ChatDemo | 45 | Codex, OpenCode | 1 | 577 tok |
| jonaschen/Android-Software A Hierarchical AI Agent Skill Set for managing AOSP platform integration, built on an MMU- | 45 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,760 tok |
| panewslab/skills PANews Agent Toolkit is PANews's official agent package for cryptocurrency and blockchain | 45 | Claude Code, Codex, OpenCode | 2 | 1,154 tok |
| yunsii/pinyin yunsii.github.io ✨ Online Pinyin typing practice | 45 | Claude Code, Codex, OpenCode | 2 | 1,088 tok |
| managedcode/PrompterOne app.prompter.one Browser-first teleprompter, rehearsal, and live presentation studio built with .NET 10 and | 45 | Claude Code, Codex, OpenCode | 62 | 19,184 tok |
| mgalgs/aur-sleuth mgalgs.io An LLM-powered security auditing tool for Arch User Repository (AUR) packages with yay int | 45 | Claude Code, Codex, OpenCode | 3 | 5,112 tok |
| etr/groundwork Claude Code plugin with 30+ skills for structured development workflows | 45 | Claude Code, Codex, OpenCode | 2 | 5,731 tok |
| kenjudy/pdca-agentic-coding-framework Human-supervised AI code generation using Plan-Do-Check-Act methodology with TDD and refac | 45 | Claude Code, Codex, OpenCode | 5 | 3,538 tok |
| laurentvv/crawl4ai-mcp-llm crawl4ai-mcp-llm-doc.vercel.app Web crawling tool that integrates with AI assistants via the MCP | 45 | Codex, GitHub Copilot, OpenCode | 2 | 2,630 tok |
| NovasPlace/CSM Persistent memory and operational continuity for AI coding agents — append-only event ledg | 45 | Codex, OpenCode | 1 | 2,553 tok |
| daedalus/fuzzer Information-dense, coverage-guided binary fuzzer | 45 | Codex, OpenCode | 1 | 6,093 tok |
| mukul-mehta/routeup Stable HTTPS routes for local services — local by default, public when you need them. Self | 45 | Codex, OpenCode | 1 | 778 tok |
| sandialabs/atlas-ui-3 A LLM chat UI. | 45 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 7,712 tok |
| desek/outlook-local-mcp outlook-local-mcp.com Local MCP server for Microsoft Outlook — calendars, events, and email via Microsoft Graph | 45 | Claude Code, Codex, OpenCode | 9 | 5,634 tok |
| opendatahub-io/agent-eval-harness opendatahub-io.github.io | 45 | Claude Code, Codex, OpenCode | 2 | 5,357 tok |
| pavelzw/pixi-skills Manage coding agent skills using pixi | 45 | Codex, OpenCode | 1 | 85 tok |
| freshaengineering/lang_ex hexdocs.pm LangGraph for Elixir. Durable, human-in-the-loop LLM agents on the BEAM. | 45 | Claude Code, Codex, OpenCode | 2 | 3,310 tok |
| AlemTuzlak/skills Personal AI agent skills for Claude Code, Copilot, Codex, Gemini & Cursor — turn a PR or i | 45 | Claude Code, Codex, OpenCode | 2 | 759 tok |
| gate/gate-mcp An MCP (Model Context Protocol) server that exposes Gate.io trading API as tools for AI ag | 45 | Claude Code, Codex, OpenCode | 2 | 595 tok |
| neopen/video-clip-agent clip.helpenx.com AI-driven video mashup agent: analyze, filter, trim, and composite multiple videos based o | 45 | Claude Code, Codex, OpenCode | 5 | 2,382 tok |
| netresearch/file-search-skill Claude Code skill: Fast code and file search using ripgrep, ast-grep, fd, rga, tokei | 45 | Codex, OpenCode | 1 | 1,085 tok |
| issol14/paper2code-skill A Claude Code Skill that converts research papers into executable code - no extra API cost | 45 | Codex, OpenCode | 1 | 998 tok |
| exploreomni/omni-agent-skills A collection of skill for working with Omni. These skills help AI agents understand and ex | 45 | Codex, OpenCode | 1 | 471 tok |
| AgriciDaniel/local-competitor-map agricidaniel.github.io AI-powered local-competitor intelligence on a photorealistic Google 3D map. Ask in plain E | 45 | Codex, OpenCode | 1 | 380 tok |
| cabbage2000-lab/textbook-writer-skills A UbD reverse-design-driven teaching material writing skill set, installable in one click | 45 | Claude Code, Codex, OpenCode | 2 | 5,679 tok |
| MarcoYou/open-proxy-mcp An MCP server for analyzing disclosures from Korean listed companies, created by a securit | 45 | Claude Code, Codex, OpenCode | 2 | 1,864 tok |