45,012 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 agents8,549Claude Code6,896Git and workflow3,630Data and AI3,579Backend and APIs3,559Languages3,491Planning3,321Code review2,909Testing2,691DevOps and cloud2,492Writing and docs2,490Memory and context2,374Research2,321Frontend2,311Security2,183Project management1,977
All Claude Code32,540 Codex24,898 OpenCode23,819 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| k-vaca/prompt-engineering-skill Research-grounded Agent Skill for writing professional LLM prompts — matches technique to | 8 | Codex, OpenCode | 1 | 158 tok |
| mhenke/john-ousterhout-skills Strategic software design guidelines for AI coding agents. 15 behavioral rules + critique/ | 8 | Claude Code, Codex, OpenCode | 2 | 2,307 tok |
| Institut-du-Numerique-Responsable/skill-nr institut-du-numerique-responsable.github.io 🌱 Eco-design rules (RGESN, GR491, Opquast, RGAA) for 11 AI coding assistants — Continue, | 8 | GitHub Copilot | 15 | 9,486 tok |
| Jwrede/llmprobe bench.jonathanwrede.de Synthetic monitoring and CI smoke tests for LLM inference endpoints. | 8 | Claude Code | 1 | — |
| netique/overleaf-mcp | 8 | Claude Code | 1 | 2,266 tok |
| nirholas/metaplex-agent-mcp nirholas.github.io MCP server to mint AI agents as Metaplex Core assets and register EIP-8004 identities on S | 8 | Codex, OpenCode | 1 | 475 tok |
| nirholas/x402-mcp-commerce nirholas.github.io MCP server that gives agents commerce tools, each call paying an upstream x402 endpoint in | 8 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| Rufus011/CMP-server_Pocket-option-2026 Async client + MCP server that lets AI assistants (Claude, GPT, Grok) trade on PocketOptio | 8 | Claude Code | 1 | 699 tok |
| Quidli/connect-mcp connect.quid.li MCP server for agent identity & reputation: resolve social handles to wallet addresses, sc | 8 | Claude Code, Codex | 1 | — |
| liquefy-ui/liquefy-ui liquefy-ui.com Liquid Glass UI components for React — real WebGL edge refraction, jelly springs, and acce | 8 | Claude Code | 1 | 586 tok |
| spacefast/plugins Official Spacefast plugins for AI coding assistants. | 8 | Gemini CLI | 1 | 261 tok |
| athitupakan/garmin-dev-skills Claude Code skill for building, running & packaging Garmin Connect IQ apps on Windows/macO | 8 | Claude Code | 1 | 1,555 tok |
| OpenAnalystInc/10x-Team AI-powered marketing automation toolkit built on Claude Code subagent orchestration. Auton | 8 | Claude Code | 7 | — |
| stanley-projects/Insomnia stanley-projects.github.io Keep your PC awake when it matters — smart sleep prevention for Windows | 8 | Claude Code | 1 | 4,997 tok |
| jinglonglong/springgraph jinglonglong.github.io Spring Cloud code knowledge graph and MCP server for AI coding agents | 8 | Claude Code | 1 | 8,257 tok |
| iamwaqargulzar/Marketing-Agent-OS Universal, cross-platform marketing agent skill system with 238 skills for SEO, GEO, AEO, | 8 | Claude Code, Codex, OpenCode | 2 | 263 tok |
| aderaaij/loopback-training-server loopback.ardenlab.dev Self-hosted backend for Loopback – Run Coach: workout tracking, Apple Watch training queue | 8 | Claude Code | 1 | 8,551 tok |
| open-edge-platform/skills Repository for Open Edge Platform Agent Skills | 8 | Claude Code, Codex | 42 | — |
| xsourabhsharma/remotion-marketing-video-skill Agent skill for creating premium Remotion marketing videos product demos, SaaS promos, mot | 8 | Claude Code | 1 | 200 tok |
| walterwang0x01/tech-learning-and-projects walterwang0x01.github.io A collection of personal technical study notes and practical projects | 8 | Kiro | 20 | 15,808 tok |
| porchetthub/-https-github.com-DietrichGebert-ponytail | 8 | Codex, GitHub Copilot, OpenCode | 2 | 1,117 tok |
| kostja94/openblog alignify.co Agent-native, Git-based blog CMS module for product sites. Mount /blog on your marketing s | 8 | Codex, OpenCode | 1 | 3,040 tok |
| dsvi-b/corretor-enem Corretor de redação ENEM (5 competências) agnóstico de agent, calibrado em 11.147 redações | 8 | Claude Code, Codex, OpenCode | 3 | 1,416 tok |
| chemrich/cabineteer Parametric cabinet design toolkit with MCP server — cutlist, evaluation, and 3D visualizat | 8 | Claude Code | 2 | 17,505 tok |
| sharpninja/McpServer sharpninja.github.io | 8 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,730 tok |
| headlinearena/headlinearena-agent-plugin headlinearena.com Skills for integrating AI agents with HeadlineArena | 8 | Claude Code, Codex, OpenCode | 2 | 1,536 tok |
| lab-dados/juscraper-mcp Servidor MCP público do juscraper — consultas a tribunais brasileiros sem autenticação | 8 | Claude Code | 1 | 670 tok |
| Vollkorn-Games/godot-mcp MCP server for Godot — tools for scene building, scripting, interactive game control, stat | 8 | Claude Code, Codex | 4 | 936 tok |
| timncox/squarespace-mcp Let AI agents manage your Squarespace websites — menus, pages, blog posts, products, image | 8 | Claude Code | 4 | 2,902 tok |
| baalimago/slivingdoc slivingdoc.dev Write in parallel. Persist to s3. | 8 | Claude Code, Codex, OpenCode | 2 | 8,413 tok |
| tambo-labs/charming-mcp usecharming.com Charming MCP server — generate and host interactive web apps via MCP | 8 | Codex, Gemini CLI, OpenCode | 2 | 2,759 tok |
| Liyux3/scholar-mcp liyux3.github.io MCP server aggregating academic search sources into one unified interface for research age | 8 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 666 tok |
| yuluod/AllSessions A local-first desktop workspace for browsing, searching, and managing Codex, Claude Code, | 8 | Codex, OpenCode | 1 | 2,070 tok |
| codesknight/AutoCAD-MCP Seamlessly connect AI assistants (Claude, ChatGPT, etc.) to AutoCAD through the Model Cont | 8 | Claude Code | 1 | 796 tok |
| YuJunWang/104-job-hunter-mcp A job search automation tool that enables AI assistants to directly operate 104 Job Bank t | 8 | Codex, OpenCode | 1 | 4,759 tok |
| TheBestCo/bestprice-mcp bestprice.gr Official BestPrice MCP and WebMCP for shopping decisions, product search, offer comparison | 8 | Claude Code, Gemini CLI | 2 | 341 tok |
| anvilnine/artifacts Self-hosted artifact publishing. POST HTML/JSX/Markdown/zip, get an unguessable public URL | 8 | Claude Code | 2 | 497 tok |
| olgasafonova/gleif-mcp-server MCP server for GLEIF LEI (Legal Entity Identifier) database access | 8 | Claude Code, Codex, OpenCode | 2 | 413 tok |
| michaelfromorg/mcp-yahoo-fantasy An MCP server for real-time sports. | 8 | Claude Code | 1 | 1,399 tok |
| solanaguide/solana-cli Manage wallets, swap or transfer tokens, make payments and trade on Solana. CLI designed f | 8 | Claude Code | 1 | 2,752 tok |
| ddpie/lark-mcp-on-agentcore A hosted remote MCP service for AI agents to operate Feishu, reusing lark-cli's 200+ tools | 8 | Claude Code, Codex, OpenCode | 2 | 1,848 tok |
| menaje/codex-mcp-bridge-for-chatgpt A policy-enforcing Streamable HTTP MCP bridge from ChatGPT to local Codex. | 8 | Codex, OpenCode | 1 | 541 tok |
| minwoo19930301/korea-ecommerce-integrated-channel-mcp MCP server for handling product listing, editing, sales suspension, and deletion across mu | 8 | Codex, OpenCode | 1 | 1,345 tok |
| wakita181009/vault-mcp | 8 | Claude Code | 1 | 1,073 tok |
| OriginalName457/claudemon originalname457.github.io A friendlier way to run Claude Code agents - pixel creatures you can watch work. Plus Claw | 8 | Claude Code | 1 | — |
| ju-li/automata-mcp getautomata.app 💬 Your WhatsApp, Telegram, email and Postgres as a Claude connector. Scan a QR or sign in | 8 | Claude Code | 1 | 41,623 tok |
| subnetangel/ToolMux 🚀 ToolMux - MCP Tool Multiplexer | 98.65% token reduction through efficient server aggreg | 8 | Claude Code | 1 | 2,253 tok |
| syedasadabbas/Claude-MCP-for-Odoo | 8 | Claude Code | 1 | — |
| Kapi-IDE/kapi-sprints Sprint dashboard for Claude Code teams — Backwards Build + Blackboard coordination | 8 | Claude Code | 15 | — |
| JacobCoffee/debug-toolbar debug-toolbar.scriptr.dev Debuggability elevated. Debug toolbar for ASGI applications. | 8 | Claude Code | 12 | 2,236 tok |