23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| joymin5655/Agent Multi-runtime AI agent governance harness — Claude Code · Codex · Gemini under one YAML po | 2 | Codex, OpenCode | 1 | 2,268 tok |
| sergekostenchuk/mouse-trail-masking-reveal Mouse Trail Masking Reveal: portable Agent Skills for cursor-trail reveal effects across C | 2 | Codex, OpenCode | 1 | 135 tok |
| jeremylongshore/intent-eval-lab intentsolutions.io Vendor-neutral research umbrella for measuring AI plugin, agent, and MCP server quality ac | 2 | Claude Code, Codex, OpenCode | 5 | 6,823 tok |
| forsvn-labs/transcript-to-epub Turn a YouTube video or raw timestamped transcript into a clean, readable EPUB book — spea | 2 | Claude Code, Codex, OpenCode | 2 | 334 tok |
| xcaeser/work-skill skills.sh Quality-first orchestration for Codex and other AI coding agents. | 2 | Codex, OpenCode | 1 | 1,006 tok |
| thomas-powers-jr/cadence thomas-powers-jr.github.io Verification layer for AI-assisted development. Agents don't get to self-certify — settle | 2 | Claude Code, Codex, OpenCode | 27 | 8,654 tok |
| lazypaul-apps/md-file-monitor Visual monitor for tracking whether AI coding agents checked project instruction files suc | 2 | Codex, OpenCode | 1 | 69 tok |
| RudAns/OblivionisAgent A wired desktop console for the local Claude Code CLI (different group chats point to diff | 2 | Claude Code, Codex, OpenCode | 2 | 2,127 tok |
| Lin-Jiong-HDU/cgate A self-hosted gateway that bridges GitHub issues to Claude Code — automatically spins up i | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 10,171 tok |
| ashlrai/ashlr-stack stack.ashlr.ai Provision and connect development services through CLI and MCP tools, with Phantom for cre | 2 | Codex, OpenCode | 1 | 1,801 tok |
| aipickgold/md2wx aipickgold.com ✍️ A Markdown formatting tool for WeChat official accounts in the AI era · 40+ themes · On | 2 | Claude Code, Codex, OpenCode | 2 | 901 tok |
| ZhuXinAI/sidesight CLI-first vision sidecar for text-only coding agents. Analyze screenshots, diagrams, chart | 2 | Codex, OpenCode | 1 | 5,376 tok |
| 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 |
| chris-hendrix/ai-hub Opencode agents and skills | 2 | Codex, OpenCode | 1 | 1,974 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 |
| elsoul/erpc-sdk erpc.global ERPC Official Multi-Network Blockchain SDK Built for Developers. Ready for AI Agents. | 2 | Codex, OpenCode | 1 | 499 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 |
| 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 |
| 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 |
| richardcarls/solid-js-best-practices solid-js-best-practices enables comprehensive best practices for building Solid.js applica | 2 | Codex, OpenCode | 1 | 619 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 |
| 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 |
| 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 |
| ssdeanx/AI-Skills Claude Skills, Modular, self-contained "Skills" that extend AI capabilities with specializ | 2 | Codex, GitHub Copilot, OpenCode | 2 | 3,905 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 |
| paulieb89/bouch-plugins Claude Code plugins for UK professionals — property investors, solicitors, and business ow | 2 | Codex, OpenCode | 1 | 390 tok |
| kimtth/azure-ml-finetuning-eval-skills 🤖 Automate Azure ML finetuning with the LLM skill. 🔧 | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,019 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 |
| 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 |
| slowdini/slow-powers Eval-backed agent skills for Claude Code, Codex & OpenCode — for developers who hate skill | 2 | Claude Code, Codex, OpenCode | 3 | 931 tok |
| dbhq-uk/trello-skill skills.dbhq.uk Trello skill pack for Claude Code and Codex over the Trello REST API - boards, lists and c | 2 | Claude Code, Codex, OpenCode | 1 | 2,058 tok |
| netopsengineer/agent-skill-description-optimizer Optimizes the description frontmatter of a Claude Code / Agent Skill - the text that decid | 2 | Claude Code, Codex, OpenCode | 2 | 4,978 tok |
| KKenny0/Tracework kkenny0.github.io Agentic coding decision replay: record why decisions were made, turning session signals in | 2 | Claude Code, Codex, OpenCode | 2 | 2,182 tok |
| Apolinariolanga/skills apolinariolanga.github.io 🤖 Explore and manage skills in the open agent ecosystem with this powerful CLI tool, supp | 2 | Codex, OpenCode | 1 | 955 tok |
| NanookAI/open-meteo-api clawhub.ai Claude Code skill for the free Open-Meteo API — weather forecasts, current conditions, his | 2 | Claude Code, Codex, OpenCode | 2 | 1,041 tok |
| yu-iskw/meta-agent-skills Standardized, portable AI agent skills that proactively bootstrap your codebase for autono | 2 | Claude Code, Codex, OpenCode | 2 | 2,177 tok |
| Solismuchengxue/skill_swift_cycle From ambiguous requirements to verified AI delivery loops. A portable Agent Skill that tu | 2 | Codex, OpenCode | 1 | 2,812 tok |
| yschimke/skills yschimke.github.io Helping the Agents Compose the Things | 2 | Claude Code, Codex, OpenCode | 2 | 1,502 tok |
| zencity/databricks-logs-reader A cli tool as a log reader for databricks | 2 | Claude Code, Codex, OpenCode | 2 | 359 tok |
| thinkjones/awesome-apm-stacks awesome-apm-stacks.foursignals.dev APM (Agent Package Manager) — think NPM for agentic artifacts. A library of ready-to-insta | 2 | Codex, OpenCode | 1 | 331 tok |
| DjFikie25/shipkit Build full-stack Next.js and React Native apps with integrated auth, database, AI chat, an | 2 | Codex, OpenCode | 1 | 3,842 tok |
| shengyy/agent-skills Reusable AI agent skills for Claude Code / Codex — install with npx skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,223 tok |
| marcusrbrown/dev-like mrbro.dev Profile a shop's engineering culture from public sources and install develop-like-<target> | 2 | Codex, OpenCode | 1 | 222 tok |
| ming-14/PTY-Agent Give your AI agent a real terminal: persistent PTY sessions, prompt-triggered returns, scr | 2 | Codex, OpenCode | 1 | 2,257 tok |
| EmZod/Agent-Focus-Group Test AI tool documentation against multiple models before shipping. Send skill docs to GPT | 2 | Codex, OpenCode | 1 | 2,284 tok |
| Bubu89/full-page-pdf-snap provinglab.dev Save any webpage as one high-resolution PDF — also on Firefox for Android. Runs entirely o | 2 | Codex, OpenCode | 1 | 4,090 tok |
| cyzlmh/agentype Local AI-agent usage analytics and persona archetypes | 2 | Codex, OpenCode | 1 | 680 tok |