43,636 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 |
|---|---|---|---|---|
| Coff0xc/CTF-MCP MCP Server for CTF challenges - 126 tools for Web/Crypto/Pwn | MCP server for CTF challeng | 26 | Claude Code | 1 | 1,460 tok |
| silent-rs/silent-Tiangong A desktop personal AI intelligent terminal built with Rust + Tauri, featuring an embedded | 26 | Claude Code | 1 | 1,855 tok |
| hamr0/beeperbox Plug your AI agent into 50+ messengers (WhatsApp, iMessage, Signal, Telegram, Slack…) thro | 26 | Claude Code | 1 | 1,903 tok |
| geckse/markdown-vdb A filesystem-native vector database built around Markdown files. For AGENTS and MEMORY in | 26 | Claude Code | 10 | 5,817 tok |
| simplexlabs/montage Agentic motion videos built with Remotion | 26 | Claude Code, Codex, OpenCode | 2 | 4,917 tok |
| SVappsLAB/iRacingTelemetrySDK svappslab.com An iRacing SDK for C# .NET. Offers easy access to real-time telemetry data from iRacing f | 26 | Claude Code, Codex, OpenCode | 2 | 765 tok |
| xikhar/beyond-fable xikhar.github.io A world beyond the story... | 26 | Claude Code, Codex, OpenCode | 2 | 6,526 tok |
| DeprecatedLuke/oh-my-singularity A task based orchestration TUI for oh-my-pi agent harness enabling highly parallel agentic | 26 | Codex, OpenCode | 1 | 3,633 tok |
| Dicklesworthstone/franken_networkx Memory-safe clean-room Rust reimplementation of NetworkX with deterministic graph semantic | 26 | Codex, OpenCode | 1 | 9,254 tok |
| Yeq6X/mazelingo mazelingo-web.pages.dev Sentence-level bilingual mix translator — Chrome extension (MV3). Read the web with your t | 26 | Claude Code | 1 | 863 tok |
| Tele-AI/TeleFuser tele-ai.github.io High-performance runtime for real-time multimodal generation and world models—streaming i | 26 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 2,177 tok |
| dmmulroy/pi-mcp Pi extension for OpenCode-style MCP client support | 26 | Codex, OpenCode | 1 | 78 tok |
| realgarit/fable-baton Claude Code plugin: Fable 5 as a token-frugal orchestrator with tiered Opus/Sonnet/Haiku a | 26 | Claude Code, Codex, OpenCode | 2 | 1,858 tok |
| konten-studio/jekardah-writer Portable AI writing workflow for hooks, anti-slop editing, and natural Jabodetabek voice. | 26 | Codex, OpenCode | 1 | 148 tok |
| ZICXR/A-Stock-Skills 📈 Claude Agent Skills for A-share analysis | 29 plug-and-play Skills covering data collec | 26 | Claude Code | 1 | — |
| Gracker/Perfetto-Skills Portable Agent Skill for evidence-based Android, Linux, and Chromium Perfetto analysis. | 26 | Codex, OpenCode | 1 | 659 tok |
| rollysys/use_cninfo On-demand fetching of A-share listed company announcements from cninfo.com.cn — full-text | 26 | Claude Code | 1 | 1,791 tok |
| antongulin/robin robinreview.dev Free AI code reviews on every pull request. Bring your own key (OpenRouter free tier works | 26 | Codex, OpenCode | 1 | 782 tok |
| slopus/happy-agent happy.engineering Universal Agent Harness from Happy that works with any subscription | 26 | Claude Code, Codex, OpenCode | 4 | 6,509 tok |
| samsantosb/ship-it ship-it - an idea-to-merged-PR delivery pipeline for any coding agent (Claude Code, Kiro, | 26 | Claude Code, Codex, OpenCode | 1 | 973 tok |
| hhtttttiger/AgentLabKit AgentLabKit — a full-stack enterprise solution for multi-agent systems, deterministic work | 26 | Claude Code, Codex, OpenCode | 2 | 748 tok |
| chrizbo/agentics-beyond-code Agentic Workflows for PMs, ops, compliance, and other non-engineering roles | 26 | Claude Code, Codex, OpenCode | 5 | 277 tok |
| zhumengzhu/opencode-cache-hit OpenCode sidebar plugin for cache hit rate, token usage, and session cost—with sub-agent ( | 26 | Codex, OpenCode | 1 | 1,686 tok |
| Italian-Builders-Org/magistra Open-source Italian legal platform | 26 | Claude Code, Codex, OpenCode | 3 | 1,925 tok |
| diskinv/diskinv | 26 | Claude Code | 1 | 627 tok |
| onozaty/redmine-mcp-server Model Context Protocol (MCP) server for Redmine that provides comprehensive access to the | 26 | Claude Code | 2 | 866 tok |
| TIMER-err/qml4j Render QML With Skia Backend | 26 | Claude Code | 1 | 1,031 tok |
| ar27111994/penpot-mcp skills.sh AI-agent skill for creating, auditing, and maintaining Penpot design systems, prototypes, | 26 | GitHub Copilot | 1 | 964 tok |
| ArnaudGuiovanna/tutor-mcp tutor-mcp.dev An open-source MCP server that turns any LLM into an Intelligent Tutoring System. 50 years | 26 | Codex, OpenCode | 1 | 453 tok |
| TheCraigHewitt/sales-skills 21 AI agent skills for the full B2B sales lifecycle. Works with Claude Code, Cursor, Winds | 26 | Claude Code | 1 | 2,168 tok |
| Sistema2D/FrameCode-VibeWork Document framework for AI-assisted development (vibe coding), with governance, traceabilit | 26 | Codex, Cursor, OpenCode | 2 | 1,596 tok |
| hong-kailin/OpenCodeFromScratch A line-by-line recreation of the open-source AI coding agent opencode, evolving from a min | 26 | Codex, OpenCode | 1 | 3,661 tok |
| ymm-oss/fsl AI-Native Formal Specification Language — a bounded model checker (Lark + Z3) built for LL | 26 | Claude Code, Codex, OpenCode | 17 | 4,322 tok |
| ningzimu/awesome-skills Curated collection of useful AI agent skills | 26 | Claude Code, Codex, OpenCode | 2 | 174 tok |
| umlink/easy-resume A full-stack résumé project with exceptionally beautiful UI and comfortable interaction | 26 | Claude Code | 1 | 2,919 tok |
| nana7chi/CubismExternalEditMCP MCP for Live2D Cubism Editor 5.4 alpha1 External application integration | 26 | Claude Code | 1 | 2,150 tok |
| sandraschi/freecad-mcp FreeCAD 3D CAD automation via FastMCP — headless document/export plus FluidX3D/OpenFOAM CF | 26 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 1,715 tok |
| trailofbits/codex-config | 26 | Codex, OpenCode | 8 | 1,909 tok |
| thevoiceguy/siphon-ai Real-time SIP-to-WebSocket media bridge in Rust. Streams live call audio to your WebSocket | 26 | Claude Code | 1 | 6,842 tok |
| brightwave-inc/tidebreak tidebreak.io Open-source, local-first desktop for AI coding agents and document work. Run Claude Code, | 26 | Claude Code, Codex, OpenCode | 2 | 1,147 tok |
| OmniSocials/omnisocials-agent-skills | 26 | Claude Code | 1 | 294 tok |
| zinin/sketchup-mcp2 MCP Server for SketchUp | 26 | Claude Code | 1 | 3,235 tok |
| devinilabs/pro-skill Mirror of MengTo/Skills — agent skills for Codex, Claude, and Cursor (MIT, © Meng To). Ups | 26 | Claude Code | 1 | 333 tok |
| Resetnak/cooldeck Keyboard-first terminal dashboard for Coolify: deployments, live logs across your whole fl | 26 | Claude Code | 1 | 1,426 tok |
| cuzfrog/module-gates controls the entropy of the codebase by enforcing code module boundaries. | 26 | Claude Code | 1 | 1,276 tok |
| noahneancy-byte/netreach No-login web access layer for AI agents — 7 zero-config platforms | 26 | Claude Code | 1 | 655 tok |
| openschool-org/openschool openschool-org.github.io Open digital platform for Sri Lankan schools. | 26 | Claude Code, Codex, OpenCode | 2 | 1,799 tok |
| fltman/agent-factory | 26 | Claude Code | 6 | 1,333 tok |
| geebos/v2ex-stats V2EX coin earnings visualization extension — makes your V2EX coin earnings easy to underst | 26 | Claude Code, Codex, OpenCode | 2 | 74 tok |
| jmanhype/speckit Specification-Driven Development with Beads Integration - A comprehensive workflow system | 26 | Claude Code, Codex, OpenCode | 33 | 8,372 tok |