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 |
|---|---|---|---|---|
| adewale/guardrails-skill Quality gates wired into the Claude Code agent lifecycle | 2 | Claude Code | 1 | 580 tok |
| lacerbi/dotclaude My Claude Code settings and custom commands | 2 | Claude Code | 1 | 950 tok |
| foundry-works/foundry-research Claude Code agentic researcher designed for academic research, supporting 20+ academic and | 2 | Claude Code | 1 | 396 tok |
| d0hx4n2503/Agent-Skills Collection of useful skills, prompts, tools and best practices for engineers when building | 2 | Claude Code | 1 | — |
| slowdini/slow-powers Eval-backed agent skills for Claude Code, Codex & OpenCode — for developers who hate skill | 2 | Claude Code, Codex, OpenCode | 3 | 884 tok |
| Vo1ganin/crypto-claude-skills Claude Code skills for on-chain research with Dune, Solscan, Nansen, Solana RPC, DexScreen | 2 | Codex, OpenCode | 1 | 741 tok |
| dbhq-uk/trello-skill skills.dbhq.uk Trello skill pack for Claude Code and Codex - boards, lists and cards, board digests and a | 2 | Claude Code, Codex, OpenCode | 1 | 983 tok |
| prographer/korean-lawyer-plugins Korean legal consultation & self-litigation skills for Claude Code | 2 | Claude Code | 1 | 419 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 | 3,976 tok |
| captkernel/Skills_Curator Decide once. Re-decide never. A Claude Code skill that evaluates skills before installing | 2 | Claude Code | 1 | 1,821 tok |
| magnusrodseth/dotfiles ⚙️ There are many like them, but these dotfiles are mine. A stow-managed macOS setup: Zsh, | 2 | Claude Code, Codex, OpenCode | 6 | 6,372 tok |
| easyinplay/harnessed harnessed.cc AI coding harness composition orchestrator — manifest-described upstreams, composition ski | 2 | Claude Code | 1 | 2,182 tok |
| stuartshields/claude-setup stuartshields.github.io Production Claude Code setup for ~/.claude/: rules, hooks, agents, skills, and governance | 2 | Claude Code | 1 | 807 tok |
| konglong87/shenbi-maliang Shenbi Mалиang · Writing DNA distillation. Distills articles from your public WeChat accou | 2 | Codex, OpenCode | 1 | 220 tok |
| roshaw/claude-translation-agency Portable Claude Code skills + agent panel that translate any project or files into any lan | 2 | Claude Code | 1 | 7,709 tok |
| dimasrahmandaalfarizi/Awesome-AI-Tools | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 392 tok |
| liuqi1024/keepup-ai-tools Cross-agent skill: one-command check & update for all AI CLI tools, Skills and Plugins. Wo | 2 | Claude Code | 1 | 454 tok |
| vobiz-ai/Agent-Skills Agent skills for building on Vobiz - voice API, SIP trunking, voice XML, and AI voice agen | 2 | Codex, GitHub Copilot, OpenCode | 2 | 758 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 |
| head790/buhuchet AI Native accounting assistant for Russian individual entrepreneurs (ИП). 16 Claude Code s | 2 | Claude Code | 1 | 846 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 | 908 tok |
| uttej-badwane/secure-cloud-prompt-engineering Security-focused prompt library and Claude Code skill for automated IaC security reviews. | 2 | Claude Code | 1 | 878 tok |
| yschimke/skills yschimke.github.io Helping the Agents Compose the Things | 2 | Claude Code, Codex, OpenCode | 2 | 706 tok |
| zencity/databricks-logs-reader A cli tool as a log reader for databricks | 2 | Claude Code, Codex, OpenCode | 2 | 359 tok |
| Dropelikeit/pr-comments-resolver Resolve unresolved PR/MR review comments across GitHub, GitLab, Azure and BitBucket | 2 | Claude Code | 1 | 281 tok |
| JinLee794/agent-framework-skills Reusable agent skills for Microsoft Agent Framework (MAF) and Foundry-native voice agents | 2 | GitHub Copilot | 1 | 105 tok |
| TheRealClodius/fram-loop Two-agent autonomous dev loop — Builder + Reviewer, phase-gated, freight-train mode | 2 | Claude Code | 1 | 1,975 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 | Claude Code, Codex, OpenCode | 2 | 328 tok |
| FluxonLab/Skillry fluxonlab.com Installable, permission-bounded, multi-platform agent skills & subagents for Claude Code, | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 6,159 tok |
| Supersynergy/agent-token-saver-skill-router Your agent reads the few skills a task needs, not forty. Picks none, one, or a small bound | 2 | Claude Code, Codex, OpenCode | 2 | 250 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 |
| pingidentity/agent-plugins Agent Plugins (Agent Skills and MCP bundles) that allow agents to understand and interact | 2 | Claude Code, Codex, OpenCode | 2 | 1,101 tok |
| mrzhangguoguo/oh-my-workbuddy 1:1 WorkBuddy port of oh-my-codex — 46 catalog-driven skills (30 active + 16 deprecated), | 2 | Codex, OpenCode | 1 | 484 tok |
| OMARVII/open-source-launch-skill Portable agent skill for turning any open-source repo into a clear, trusted, launch-ready | 2 | Codex, OpenCode | 1 | 477 tok |
| markskrypka/stem stem.cooking Engineering discipline for coding agents: size the work, keep every change on the record, | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 285 tok |
| dautovri/cloud-cost-agent dautovri.github.io Native-first FinOps agent skill for AWS, GCP & Azure — find cloud savings inside Claude Co | 2 | Claude Code | 1 | 309 tok |
| nschneir/Project64 nschneir.github.io Project64 is a set of tools, skills, and an MCP to enable agentic Commodore 64 coding and | 2 | Codex, OpenCode | 1 | 5,003 tok |
| shengyy/agent-skills Reusable AI agent skills for Claude Code / Codex — install with npx skills | 2 | Claude Code, Codex, OpenCode | 2 | 676 tok |
| Benja-Pauls/SerpentStack npmjs.com Find any AI agent skill or MCP server. Search every registry, install in seconds. | 2 | GitHub Copilot, Cursor | 2 | 1,822 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, sc | 2 | Codex, OpenCode | 1 | 2,257 tok |
| gericke98/skillwright Show your browser a task once. Get a self-healing Agent Skill any agent (Claude, OpenAI, … | 2 | Claude Code | 1 | 192 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 |
| TerminatrX/agenticTrader An agent-driven equity trading system for Robinhood, built on the Robinhood MCP server. Cl | 2 | Claude Code | 3 | 3,908 tok |
| llodev/skills npmjs.com Collection of Agent Skills for Claude Code, Cursor, Codex, Windsurf, and any agent that sp | 2 | Claude Code | 1 | 782 tok |
| zakariaf/Flutter-Skills zakaria.dev General, reusable Flutter engineering skills for AI coding agents — architecture, Riverpod | 2 | Codex, OpenCode | 1 | 1,096 tok |
| cyzlmh/agentype Local AI-agent usage analytics and persona archetypes | 2 | Codex, OpenCode | 1 | 680 tok |