43,695 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 agents7,622Claude Code6,647Data and AI3,678Backend and APIs3,504Languages3,404Planning3,218Git and workflow3,203Code review2,744Testing2,378Memory and context2,367Writing and docs2,318DevOps and cloud2,312Research2,291Frontend2,259Security2,027Productivity1,717
All Claude Code32,008 Codex23,279 OpenCode22,224 GitHub Copilot3,555 Gemini CLI1,920 Cursor1,736 Windsurf139 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| AlexFischman/mcp-skill-creator-agency SkillCreatorAgency: an Agency Swarm starter that connects a “skill creator” agent to the C | 2 | Claude Code, Codex, OpenCode | 2 | 6,189 tok |
| phucbm/skills Claude Plugin - Personal knowledge base for Claude Code — patterns and integrations across | 2 | Claude Code | 1 | 385 tok |
| danielithomas/chealth A Claude Code Health Check Skill based on best practice | 2 | Claude Code | 1 | 756 tok |
| chris-hendrix/ai-hub Opencode agents and skills | 2 | Codex, OpenCode | 1 | 1,594 tok |
| eph5xx/surfskills.surf surfskills.surf Agent skills with video previews | 2 | Claude Code | 1 | 1,237 tok |
| Jartan-LLC/grimoire Curated plugins for development workflows, for Claude Code and Codex. | 2 | Claude Code, Codex, OpenCode | 3 | 747 tok |
| Dallionking/lionspaw-academy-skill lionspaw.ai Lion's Paw Academy student skill for Claude Code — curriculum context, tier map, vocabular | 2 | Codex, OpenCode | 1 | 871 tok |
| raymond802/md-to-pdf Markdown → PDF converter with brand-pack support, watermarking, and CJK fonts | 2 | Claude Code | 1 | 1,492 tok |
| WhatIfWeDigDeeper/agent-skills My Agent Skills I've created for Claude Code and can, in principle, be used with other cod | 2 | Claude Code, GitHub Copilot | 5 | 21,177 tok |
| WangLiquan/specforge wangliquan.github.io Turn vague requirements into a visual spec.html, then use the spec to verify code output l | 2 | Claude Code | 1 | 918 tok |
| solanabr/writer-style-skill superteam.codes Writing style skill for creating long for content. Stack styles together and leverage auto | 2 | Claude Code | 1 | 1,860 tok |
| elsoul/erpc-sdk erpc.global ERPC Official Multi-Network Blockchain SDK Built for Developers. Ready for AI Agents. | 2 | Codex, OpenCode | 1 | 499 tok |
| mouchegmouradian/claude-code-skills mouchegmouradian.github.io Production-ready skills that give Claude deep domain expertise. Install once, get senior-e | 2 | Claude Code | 1 | 353 tok |
| j-256/agent-skills Portable agent skills and plugins for Salesforce API investigation, narrated shell demonst | 2 | Claude Code, Codex, OpenCode | 2 | 1,986 tok |
| kirti/claude-power-modes A reusable library of named prompt "modes" (SECURITYMODE, STAFFENGINEER, TESTMODE, etc.) f | 2 | Claude Code, GitHub Copilot | 2 | 1,417 tok |
| halflength-ampleness75/claude-code-recipes Provide ready-to-use Claude Code commands, subagents, hooks, skills, and configs to simpli | 2 | Claude Code | 1 | 417 tok |
| divyanshu-iitian/agent-website-design-skills Verification-first AI agent skills for website design, landing pages, responsive UI QA, ac | 2 | Codex, OpenCode | 1 | 514 tok |
| dkadts/landing-kit-building Anti-slop landing page framework for AI coding agents. 15 skills lock design decisions onc | 2 | Claude Code | 1 | 1,316 tok |
| lemur47/logic pmo.run MCP for PMO: maths-proven calculation and analysis tools with governance layers. Help you | 2 | Claude Code | 1 | 5,717 tok |
| noelpuig/claude-explains AI-powered video generation with Claude Code. Describe a topic and get a fully animated MP | 2 | Claude Code | 1 | 341 tok |
| kryptobesteuern/claude-fuer-krypto-und-steuern krypto-besteuern.de ⚠️ Experimentelle Skill-Sammlung für deutsches Krypto-Steuer- und Aufsichtsrecht (EStG § 2 | 2 | Claude Code, Codex, OpenCode | 2 | 1,645 tok |
| almoretti/martech-ai-skills-and-tools Martech AI Skills and Tools — Claude skills & read-only CLIs for the marketing-technology | 2 | Claude Code, Codex, OpenCode | 2 | 1,747 tok |
| OpenRaiser/paper-webpage-builder 🌐 [Skill] Turn a research paper into a publishable project homepage — a Skill for AI agen | 2 | Codex, OpenCode | 1 | 693 tok |
| wilwaldon/claude-goal-scaffold wilwaldon.com Three-file template for building complete projects with Claude Code's /goal command. Fill | 2 | Claude Code | 1 | 936 tok |
| richardcarls/solid-js-best-practices solid-js-best-practices enables comprehensive best practices for building Solid.js applica | 2 | Codex, OpenCode | 1 | 460 tok |
| CloseTheLoops/moradin A workshop for accumulating build-taste across projects. Cross-tool dev brain (Claude Code | 2 | Claude Code, Codex, OpenCode | 2 | 3,970 tok |
| pashki975/thm-claude-kit A coach for TryHackMe, powered by Claude Code. A consistent methodology (classify → enumer | 2 | Claude Code | 1 | 337 tok |
| iot-forge/m5stack-skills Claude Code skills for M5Stack firmware development — board pinouts, peripherals, and ESP3 | 2 | Claude Code | 1 | 521 tok |
| NanookAI/frankfurter-api clawhub.ai Agent Skill that teaches AI agents the free Frankfurter exchange rate API | 2 | Claude Code, Codex, OpenCode | 2 | 683 tok |
| charliechenye/SkillGate chenyezhu.com Pre-merge and pre-install trust checks for AI-agent skills and MCP configurations. Scan ca | 2 | Codex, OpenCode | 1 | 477 tok |
| ryan-scheinberg/harness Personal agent operating system | 2 | Claude Code, Codex, OpenCode | 1 | 2,162 tok |
| sectersion/lattice Slack for agents: threads, flat replies, cross-thread links, pull notifications | 2 | Claude Code | 1 | 2,801 tok |
| wei-wei-hu/ai-management-toolkit weiweihu.carrd.co Practical AI management toolkit: weekly planning, meeting agendas, feedback scripts, perfo | 2 | Codex, OpenCode | 1 | 135 tok |
| code-lawyer/Legal-Agent-Skills Legal agent skills: contract review & legal research skill packs for AI coding agents | 2 | Claude Code | 1 | 2,053 tok |
| ssdeanx/AI-Skills Claude Skills, Modular, self-contained "Skills" that extend AI capabilities with specializ | 2 | Codex, GitHub Copilot, OpenCode | 2 | 3,905 tok |
| Anish-Reddy-K/diagrammer Claude Code skill and Python CLI for generating clean blueprint-style SVG diagrams from JS | 2 | Claude Code, Codex, OpenCode | 2 | 1,071 tok |
| athrael-soju/framework-generator Create structured, repeatable frameworks from any workflow through guided stages. Human-in | 2 | Claude Code | 1 | 919 tok |
| huangjihua007-rgb/threeperson Three-color personality companionship: three exclusive personas, three independent memorie | 2 | Claude Code | 1 | 2,257 tok |
| cpinto/cowork--bug-reporter Turn a screen recording with spoken commentary into tracker tickets, with screenshot or vi | 2 | Claude Code | 1 | 3,950 tok |
| nordicnode/skillpack crates.io Generate, verify, and maintain AI agent guidance for your OSS project — skills, plugins, a | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,212 tok |
| raelli/octowiz Octowiz gives Claude Code agents memory-backed engineering doctrine — cached by role, refr | 2 | Claude Code, Codex, OpenCode | 2 | 383 tok |
| wedabro/bro-skills bro-skills - Spec-Driven Development CLI | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,300 tok |
| Daisybastioned440/lite-research-agents Coordinate agent brainstorming to generate research proposals and manage future experiment | 2 | Claude Code, Codex, OpenCode | 2 | 648 tok |
| the-hugin/RSIm Recursively Self-Improving Module — persistent memory + structured improvement loop for Cl | 2 | Claude Code | 1 | 694 tok |
| kimtth/azure-ml-finetuning-eval-skills 🤖 Automate Azure ML finetuning with the LLM skill. 🔧 | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,019 tok |
| CLIuno/CLIuno-Angular-template cliuno.github.io Under Cliuno Tool | 2 | Claude Code | 1 | 452 tok |
| elitongadotti/cockpit Cockpit is a user-scoped skillset for Claude and Codex. Hooks and Skills are distributed a | 2 | Claude Code, Codex, OpenCode | 2 | 1,202 tok |
| naxoc/claude-briefs Keep it brief. A lightweight focus system for working with Claude Code. | 2 | Claude Code | 1 | 248 tok |
| ZhgChgLi/mcp-medium-reader link.zhgchg.li MCP server that reads Medium articles as clean Markdown — works past Cloudflare, supports | 2 | Claude Code, Codex, OpenCode | 2 | 2,809 tok |
| markusbegerow/claude-fuer-oeffentliche-verwaltung markus-begerow.de ⚠️ Experimentelle Skill-Sammlung für Digitalisierung, Fachverfahren und Organisation der d | 2 | Claude Code, Codex, OpenCode | 2 | 1,792 tok |