44,817 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| SynkraAI/aiox-core Synkra AIOS: AI-Orchestrated System for Full Stack Development - Core Framework v4.0 | 3,144 | Claude Code, Codex, Gemini CLI, OpenCode | 18 | 1,466 tok |
| southleft/figma-console-mcp southleft.com Your design system as an API. Connect AI to Figma for extraction, creation, and debugging. | 3,142 | Claude Code | 3 | 415 tok |
| tfredrich/RestApiTutorial.com restapitutorial.com HTML Source code for www.RestApiTutorial.com | 3,141 | Claude Code, Codex, OpenCode | 2 | 865 tok |
| projectchrono/chrono projectchrono.org High-performance C++ library for multiphysics and multibody dynamics simulations | 3,140 | Codex, OpenCode | 1 | 2,011 tok |
| FStarLang/FStar fstar-lang.org A Proof-oriented Programming Language | 3,135 | Claude Code | 1 | — |
| tianma-if/edgeever edgeever.org AI-native knowledge base & Evernote/Obsidian alternative with instant sync & native MCP. F | 3,131 | Codex, OpenCode | 1 | 2,962 tok |
| BytePioneer-AI/codex-host Run Pi and Claude Code directly in Codex Desktop. | 3,131 | Claude Code, Codex, OpenCode | 16 | 1,561 tok |
| spiceai/spiceai docs.spiceai.org Add a real-time analytics node to your operational database. Spice is a portable, accelera | 3,130 | Claude Code, Codex, Cursor, OpenCode | 15 | 15,656 tok |
| stravu/crystal nimbalyst.com (Crystal is now Nimbalyst) Run multiple Codex and Claude Code AI sessions in parallel git | 3,127 | Claude Code, Codex, OpenCode | 2 | 7,093 tok |
| LLMQuant/quant-mind llmquantdata.com QuantMind is an open source agent-native knowledge extraction and retrieval framework for | 3,125 | Claude Code, Codex, OpenCode | 5 | 2,264 tok |
| nuxt-content/docus docus.dev Write beautiful documentations with Nuxt and Markdown. | 3,123 | Claude Code | 1 | — |
| msgbyte/tianji tianji.dev Tianji: Insight into everything, Website Analytics + Uptime Monitor + Server Status. not o | 3,119 | Codex, OpenCode | 1 | 569 tok |
| wasserth/TotalSegmentator Tool for robust segmentation of >100 important anatomical structures in CT and MR images | 3,116 | Codex, OpenCode | 1 | 1,240 tok |
| coddingtonbear/obsidian-local-rest-api coddingtonbear.github.io A secure REST API and Model Context Protocol (MCP) server for your vault. | 3,116 | Claude Code, Codex, OpenCode | 3 | 2,817 tok |
| supermemoryai/apple-mcp x.com Collection of apple-native tools for the model context protocol. | 3,113 | Claude Code | 1 | 271 tok |
| sonos/tract Tiny, no-nonsense, self-contained, Tensorflow and ONNX inference | 3,111 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,717 tok |
| plugin87/ux-ui-agent-skills plugin87.github.io Turn Claude into a senior design architect: DTCG tokens, 52 components, WCAG 2.2 AA-AAA, 1 | 3,108 | Claude Code, Codex, OpenCode | 6 | 8,805 tok |
| chaterm/Chaterm chaterm.ai Open source AI terminal for cloud and infrastructure management, enabling you to deploy, t | 3,105 | Claude Code, Codex, OpenCode | 2 | 4,048 tok |
| viperrcrypto/Siftly Local Twitter/X bookmark organizer with AI categorization and mindmap visualization | 3,087 | Claude Code | 1 | 1,079 tok |
| MemMachine/MemMachine memmachine.ai Universal memory layer for AI Agents. It provides scalable, extensible, and interoperable | 3,086 | Codex, OpenCode | 1 | 1,070 tok |
| pulumi/kubespy pulumi.com Tools for observing Kubernetes resources in real time, powered by Pulumi. | 3,085 | GitHub Copilot | 1 | 1,506 tok |
| MetaMask/metamask-mobile metamask.io Mobile web browser providing access to websites that use the Ethereum blockchain | 3,082 | Claude Code, Codex, OpenCode | 4 | 2,564 tok |
| aaron-he-zhu/aaron-marketing-skills aaronmarketing.ai 120 marketing skills as an AI marketing staff — plugin, portable skills, or an 8-bot team | 3,074 | Claude Code, Codex, OpenCode | 2 | 6,255 tok |
| Yeachan-Heo/gajae-code Gajae Code MVP | 3,065 | Codex, OpenCode | 1 | 3,146 tok |
| audreyt/ethercalc ethercalc.net Web spreadsheet — no sign-up, no install. | 3,063 | Codex, OpenCode | 1 | 2,265 tok |
| vanzan01/cursor-memory-bank A modular, documentation-driven framework using Cursor custom modes (VAN, PLAN, CREATIVE, | 3,056 | Claude Code, Cursor | 6 | — |
| deedy5/ddgs A metasearch library that aggregates results from diverse web search services | 3,053 | Codex, OpenCode | 1 | 1,821 tok |
| visa/visa-vulnerability-agentic-harness Visa Vulnerability Agentic Harness | 3,052 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,744 tok |
| Shelf-nu/shelf.nu shelf.nu A free open source IT asset / Equipment / management and scheduling system. | 3,051 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 15,281 tok |
| modelcontextprotocol/ext-apps apps.extensions.modelcontextprotocol.io Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, | 3,051 | Claude Code, Codex, OpenCode | 2 | 1,219 tok |
| Simon-He95/markstream-vue markstream.simonhe.me Multi-framework streaming Markdown renderers for AI apps: Vue/Nuxt, React/Next.js, Octane, | 3,051 | Codex, OpenCode | 13 | 644 tok |
| allenpeng0705/EnvoyMesh homeclaw.cn Decentralized P2P mesh for autonomous AI agents — self-sovereign identity, peer-to-peer ch | 3,050 | Claude Code, Codex, OpenCode | 3 | 12,852 tok |
| addyosmani/web-quality-skills Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals. | 3,043 | Claude Code, Codex, OpenCode | 2 | 2,277 tok |
| digitalinnovationone/dio-agent Agente de IA criado pela DIO para apoiar seus estudos. | 3,036 | Claude Code, Codex, OpenCode | 2 | 1,326 tok |
| silexlabs/Silex silex.me Silex is an online tool for visually creating static sites with dynamic data. With the fre | 3,033 | Codex, OpenCode | 1 | 1,449 tok |
| butterbase-ai/butterbase Open-source backend-as-a-service. Postgres, auth, storage, functions, AI gateway, MCP. | 3,030 | Codex, OpenCode | 1 | 299 tok |
| qxcnm/Codex-Manager An account management and switching tool for Codex CLI. Provides local gateway forwarding | 3,028 | Codex, OpenCode | 1 | 1,221 tok |
| vercel-labs/opensrc opensrc.sh Fetch source code for npm packages to give AI coding agents deeper context | 3,027 | Codex, OpenCode | 1 | 822 tok |
| huggingface/tau twotimespi.dev A Python port of Pi’s minimalist coding agent. | 3,023 | Codex, OpenCode | 1 | 678 tok |
| huangwb8/ChineseResearchLaTeX A collection of commonly used LaTeX templates for Chinese research | 3,020 | Claude Code, Codex, OpenCode | 2 | 2,791 tok |
| public-clis/twitter-cli A CLI for Twitter/X — feed, bookmarks, and user timeline in terminal | 3,017 | Codex, OpenCode | 1 | 541 tok |
| supabase/agent-skills supabase.com Agent Skills to help developers using AI agents with Supabase | 3,009 | Claude Code, Codex, OpenCode | 2 | 1,633 tok |
| raine/workmux workmux.dev git worktrees + tmux windows for zero-friction parallel dev | 3,009 | Claude Code | 3 | — |
| alejandrobalderas/claude-code-from-source Architecture, patterns & internals of Anthropic's AI coding agent — reverse-engineered fro | 3,006 | Claude Code | 1 | 631 tok |
| nicknisi/dotfiles vim, zsh, git, homebrew, neovim - my whole world | 3,004 | Claude Code | 2 | 285 tok |
| zcaceres/markdownify-mcp A Model Context Protocol server for converting almost anything to Markdown | 2,999 | Claude Code | 1 | 43 tok |
| supabase/mcp supabase.com Connect Supabase to your AI assistants | 2,994 | Claude Code, Codex, OpenCode | 2 | 28 tok |
| songguoxs/seedance-prompt-skill opennana.com Seedance 2.0 prompt skill for generating Seedance 2.0 video prompts | 2,987 | Claude Code | 1 | — |
| rilldata/rill rilldata.com The fastest business intelligence tool for humans and agents. | 2,985 | Claude Code | 8 | — |
| michaelshimeles/ralphy ralphy.goshen.fyi My Ralph Wiggum setup, an autonomous bash script that runs Claude Code, Codex, OpenCode, C | 2,983 | Claude Code, Cursor | 2 | 1,322 tok |