23,157 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tempoxyz/schelk Fast filesystem snapshot and rollback tool for benchmarking | 53 | Codex, OpenCode | 1 | 46 tok |
| remix-run/remix-website | 53 | Claude Code, Codex, OpenCode | 5 | 1,699 tok |
| solanabr/auditor-skill Claude Code / agentic security skill for Solana programs and software. Full audit-firm lif | 53 | Codex, OpenCode | 1 | 890 tok |
| opensearch-project/opensearch-agent-skills A collection of Agent Skills for building search applications and analyzing observability | 53 | Codex, OpenCode | 1 | 1,274 tok |
| kalamdb/KalamDB kalamdb.org KalamDB — a lightweight, real-time, storage-efficient SQL database. Designed for per-user | 53 | Claude Code, Codex, GitHub Copilot, OpenCode | 31 | 2,772 tok |
| Podden/openwebui_anthropic_api_manifold_pipe Enhanced Anthropic Message API support for Open WebUI, Caching, files API, code execution, | 53 | Codex, OpenCode | 1 | 2,221 tok |
| baphuongna/pi-crew | 53 | Claude Code, Codex, OpenCode | 2 | 2,645 tok |
| solana-foundation/solana-developer-platform platform.solana.com Solana Developer Platform API and Dashboard | 53 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 1,076 tok |
| christosk92/WaveeMusic apps.microsoft.com A high-performance Spotify client for Windows — .NET 10 NativeAOT on the FluentGpu engine | 53 | Claude Code, Codex, OpenCode | 7 | 1,973 tok |
| trailofbits/agentcov gcov for what lines of code agents read | 53 | Claude Code, Codex, OpenCode | 2 | 2,200 tok |
| Boom-Vitt/claude-thai-skills Claude Code skills for Thai users — translation, captions, resumes, official letters, PDPA | 53 | Codex, OpenCode | 1 | 1,233 tok |
| ShadowWalker2014/open-sunsama opensunsama.com The first AI-native, open-source task manager. MCP server for Claude/Cursor, REST API, tim | 53 | Claude Code, Codex, OpenCode | 3 | 3,166 tok |
| Antonytm/mcp-sitecore-server Model Context Protocol server for Sitecore | 53 | Claude Code, Codex, OpenCode | 2 | 3,211 tok |
| IBM/galaxium-travels Demo application for IBM Bob. A complete full-stack application for booking interplanetary | 53 | Codex, OpenCode | 1 | 2,261 tok |
| Dicklesworthstone/frankensim Plan-first Rust continuum for certified geometry, physics simulation, optimization, and re | 53 | Codex, OpenCode | 1 | 9,289 tok |
| sohaibt/product-mode masteringproducthq.com The most expensive bug in AI-assisted building is shipping the wrong thing, well. A CLAUDE | 53 | Claude Code, Codex, OpenCode | 2 | 3,840 tok |
| auratech-lab/r3arxiv-react3-archive | 53 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,293 tok |
| Ekozmaster/Vibe-Reverse-Engineering A set LLM-Friendly tools for Cursor to Reverse Engineer binaries, specially games | 53 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,317 tok |
| moKshagna-p/musico musico-web.vercel.app building letterboxd for music | 53 | Codex, OpenCode | 1 | 1,108 tok |
| luizomf/dotfiles youtube.com Otávio Miranda's dotfiles. Almost my entire dev environment lives in this repository. | 53 | Claude Code, Codex, OpenCode | 2 | 2,836 tok |
| darraghoriordan/use-miller usemiller.dev A NestJS and NextJS app for selling software products and showing examples of how-tos | 52 | Codex, GitHub Copilot, OpenCode | 2 | 1,673 tok |
| uiuing/browser-agent An open-source AI agent for the browser. Bring any model. It plans in the side panel, acts | 52 | Claude Code, Codex, OpenCode | 2 | 1,865 tok |
| skuznetsov/adamas-lang Adamas Lang compiler + LSP server with ground-built Crystal Lang compatible parser/type in | 52 | Claude Code, Codex, OpenCode | 2 | 1,034 tok |
| TenureAI/PhD-Zero Autoresearch with PhD-level workflows and modular agent skills. Built for the autonomous A | 52 | Claude Code, Codex, OpenCode | 12 | 3,034 tok |
| rexleimo/aios cli.rexai.top Local-first AI agent bootstrap: Playwright Browser MCP + ContextDB for Codex CLI, Claude | 52 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 10,862 tok |
| tody-agent/codymaster cody.todyle.com Vibe Coding Framework - Full SaaS Development Team from A-Z with Brain, Self Improvement, | 52 | Codex, Gemini CLI, OpenCode | 2 | 767 tok |
| 2ue/ccman A tool for managing Claude Code + Codex API + GEMINI CLI + OPENCODE provider configuration | 52 | Claude Code, Codex, OpenCode | 11 | 9,670 tok |
| hlhr202/Conductor-for-all npmjs.com Bring the Conductor spec-driven development methodology to any coding environment as skill | 52 | Claude Code, Codex, OpenCode | 8 | 1,066 tok |
| jsoncut/jsoncut-skill AI agent skill for seamless integration with JsonCut, enabling automated creation and edit | 52 | Claude Code, Codex, OpenCode | 2 | 664 tok |
| liqiongyu/lenny_skills_plus 86 agent-executable skill packs converted from RefoundAI’s Lenny skills (unofficial). Work | 52 | Claude Code, Codex, OpenCode | 2 | 2,301 tok |
| aliyun/alibabacloud-dms-mcp-server A universal multi-cloud data MCP Server supporting over 40 types of data source connection | 52 | Codex, OpenCode | 1 | 2,416 tok |
| lydakis/mcpx Turn MCP servers into composable CLIs. | 52 | Codex, OpenCode | 1 | 540 tok |
| bradwmorris/open-zeu | 52 | Claude Code, Codex, OpenCode | 2 | 391 tok |
| rkinas/antec antec - personal agentic system | 52 | Claude Code, Codex, OpenCode | 6 | 6,151 tok |
| Marcelo5444/agentic_learning | 52 | Codex, OpenCode | 1 | 1,486 tok |
| clawbot7/cli-gateway Chat-channel ↔ ACP agent gateway with scheduler | 52 | Codex, OpenCode | 1 | 728 tok |
| leetjourney/home-energy-tracker youtube.com Full microservices Spring Boot 4 - Home Energy Tracker | 52 | Codex, OpenCode | 1 | 1,772 tok |
| FredySandoval/pi-browser-template Production-grade template for Pi-powered Chrome extensions | 52 | Codex, OpenCode | 1 | 1,154 tok |
| OneSignal/onesignal-node-api OneSignal Node Client | 52 | Claude Code, Codex, OpenCode | 2 | 789 tok |
| NVIDIA-Omniverse/ovui The standalone distribution of NVIDIA Omniverse's omni.ui UI framework, extracted to run i | 52 | Codex, OpenCode | 1 | 2,495 tok |
| MarlonJD/flutter_desktop_updater pub.dev Sparkle-style auto-updates for Flutter desktop apps: verified releases, release CLI, built | 52 | Codex, OpenCode | 1 | 674 tok |
| ZUnfurl/zunfurl Static-first Astro framework for brand sites, Sanity CMS, and read-only Shopify retail cat | 52 | Codex, OpenCode | 1 | 1,296 tok |
| PyDevices/pydevices-examples pydevices.github.io Examples, integration guides, and an installable PyScript gallery for the PyDevices driver | 52 | Codex, OpenCode | 1 | 2,720 tok |
| lqomg/ClueArk clueark.com A personal AI intelligence assistant for monitoring topics across the web: keyword-driven | 52 | Codex, OpenCode | 1 | 2,255 tok |
| BROccoLi-921/AI-testing-evaluation | 52 | Codex, OpenCode | 1 | 3,023 tok |
| oliverearl/nes-php-glfw An NES emulator written in PHP 8.5 using the OpenGL GLFW extension. | 52 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 10,859 tok |
| agentsdance/agentx agentskills.host AgentX - Agent Extension: MCP Servers, Agent Skills and Plugins Manager | 52 | Claude Code, Codex, OpenCode | 2 | 692 tok |
| deandevz/king-context Open-source Context7 alternative with 3x token efficiency | 52 | Claude Code, Codex, OpenCode | 7 | 2,380 tok |
| yi-john-huang/sdd-mcp | 52 | Claude Code, Codex, OpenCode | 18 | 416 tok |
| RedHatProductSecurity/prodsec-skills Security skills for AI coding assistants and agentic systems | 52 | Codex, OpenCode | 1 | 1,360 tok |