Open source registry
A ranked shortlist of open-source AI agent skills across coding, research, finance, presentation, data, browser automation, and workflow automation use cases.
Developers and teams looking for reusable open-source capabilities that agents can inspect, compare, and install. Ranked from the OpenAgentSkill index using quality, trust, freshness, adoption, and install readiness.
Search intent
These pages are generated from real registry records. The list below is not a generic article; every row links to a skill profile with install, trust, audit, and risk fields.
Production-grade engineering skills for AI coding agents.
Excellent quality, 88K stars, and a 115 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add addyosmani/agent-skillsReverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing + On-demand toolchain bootstrapping + Self-evolving knowledge base Supports Claude Code, Kiro, Cursor, Cline, and other AI coding clients 逆向/渗透/安全技能路由包 - AI 自动路由 + 按需自举工具链 + 自动进化经验库 | 支持 Claude Code / Kiro / Cursor / Cline 等代码 AI 客户端
Excellent quality, 26K stars, and a 29 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add zhaoxuya520/reverse-skillReview a branch or diff against repository standards and the originating spec in two independent analysis passes.
Excellent quality, 169K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add mattpocock/skills --skill code-reviewImplement work from an approved spec or ticket set, run focused and full tests, invoke code review, and commit the result to the current branch.
Excellent quality, 176K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add mattpocock/skills --skill implementLightweight coding agent that runs in your terminal
Excellent quality, 91K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add openai/codexA single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.
Excellent quality, 175K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add multica-ai/andrej-karpathy-skillsA format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.
Excellent quality, 16K stars, and a 26 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add google-labs-code/design.mdBridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms.
Excellent quality, 12K stars, and a 26 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add chenhg5/cc-connectUse Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.
Excellent quality, 171K stars, and a 25 use-case fit score.
Best suited scenario
Navigate pages
$ npx skills add anthropics/skills --skill webapp-testingA tool that converts codebases, SQL schemas, and other files into queryable knowledge graphs for AI coding assistants.
Excellent quality, 92K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Graphify-Labs/graphifyAll parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.
Excellent quality, 12K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Piebald-AI/claude-code-system-prompts🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.
Excellent quality, 88K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add nexu-io/open-designA curated list of awesome skills, hooks, slash-commands, agent orchestrators, applications, and plugins for Claude Code by Anthropic
Excellent quality, 50K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add hesreallyhim/awesome-claude-codeA comprehensive library of over 1,273 agentic skills for various AI coding assistants, featuring clear documentation and installation instructions.
Excellent quality, 44K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add sickn33/antigravity-awesome-skillsMarketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
Excellent quality, 41K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add coreyhaines31/marketingskillsReact and Next.js performance guidance for writing, reviewing, and refactoring production UI code.
Excellent quality, 30K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add vercel-labs/agent-skills --skill vercel-react-best-practicesHuashu Design · HTML-native design skill for Claude Code · Claude Code 里 HTML 原生的设计 skill · 高保真原型 / 幻灯片 / 动画 + 20 设计哲学 + 5 维评审 + MP4 导出 · Agent-agnostic
Excellent quality, 23K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add alchaincyf/huashu-designAutomate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.
Excellent quality, 25K stars, and a 23 use-case fit score.
Best suited scenario
Navigate pages
$ npx skills add openai/skills --skill playwrightClaude Code skill that removes signs of AI-generated writing from text
Excellent quality, 24K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add blader/humanizer#1 Persistent memory for AI coding agents based on real-world benchmarks
Excellent quality, 23K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add rohitg00/agentmemoryTurn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
Excellent quality, 21K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add virgiliojr94/book-to-skillPM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to strategy, execution, launch, and growth.
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add phuryn/pm-skillsGet 10X more out of Claude Code, Codex or any coding agent
Excellent quality, 27K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add BloopAI/vibe-kanbanGhostty-based macOS terminal with vertical tabs and notifications for AI coding agents
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add manaflow-ai/cmuxCreate beautiful slides on the web using a coding agent's frontend skills
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add zarazhangrui/frontend-slidesAnti-AI-slop design skill for Claude Code, Cursor, and Codex.
Excellent quality, 20K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Nutlope/hallmarkagent multiplexer that lives in your terminal.
Excellent quality, 18K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add ogulcancelik/herdrLow-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.
Excellent quality, 12K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add illacloud/illa-builderThe best way to get AI coding agents to solve hard problems in complex codebases.
Excellent quality, 11K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add humanlayer/humanlayer🚀 Beautiful highly customizable statusline for Claude Code CLI with powerline support, themes, and more.
Excellent quality, 11K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add sirmalloc/ccstatuslineSelection method
OpenAgentSkill scores each candidate against the workflow keywords, then balances fit with GitHub stars, quality signals, trust profile, Agent Proven outcome evidence, maintenance freshness, and whether there is a clear install path.
The ranking combines workflow fit, quality score, trust profile, GitHub adoption, maintenance freshness, and whether a clear install path exists.
No. Treat the list as a shortlist, open the skill detail page, inspect the repository and license, then test the install command in a sandbox workflow.
Yes. Use /api/skills/search with the related task or /api/agent/rankings?slug=best-open-source-ai-agent-skills-skills to fetch ranked skill data.
Open source registry
A ranked shortlist of open-source AI agent skills across coding, research, finance, presentation, data, browser automation, and workflow automation use cases.
Developers and teams looking for reusable open-source capabilities that agents can inspect, compare, and install. Ranked from the OpenAgentSkill index using quality, trust, freshness, adoption, and install readiness.
Search intent
These pages are generated from real registry records. The list below is not a generic article; every row links to a skill profile with install, trust, audit, and risk fields.
Production-grade engineering skills for AI coding agents.
Excellent quality, 88K stars, and a 115 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add addyosmani/agent-skillsReverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing + On-demand toolchain bootstrapping + Self-evolving knowledge base Supports Claude Code, Kiro, Cursor, Cline, and other AI coding clients 逆向/渗透/安全技能路由包 - AI 自动路由 + 按需自举工具链 + 自动进化经验库 | 支持 Claude Code / Kiro / Cursor / Cline 等代码 AI 客户端
Excellent quality, 26K stars, and a 29 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add zhaoxuya520/reverse-skillReview a branch or diff against repository standards and the originating spec in two independent analysis passes.
Excellent quality, 169K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add mattpocock/skills --skill code-reviewImplement work from an approved spec or ticket set, run focused and full tests, invoke code review, and commit the result to the current branch.
Excellent quality, 176K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add mattpocock/skills --skill implementLightweight coding agent that runs in your terminal
Excellent quality, 91K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add openai/codexA single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.
Excellent quality, 175K stars, and a 28 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add multica-ai/andrej-karpathy-skillsA format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.
Excellent quality, 16K stars, and a 26 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add google-labs-code/design.mdBridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms.
Excellent quality, 12K stars, and a 26 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add chenhg5/cc-connectUse Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.
Excellent quality, 171K stars, and a 25 use-case fit score.
Best suited scenario
Navigate pages
$ npx skills add anthropics/skills --skill webapp-testingA tool that converts codebases, SQL schemas, and other files into queryable knowledge graphs for AI coding assistants.
Excellent quality, 92K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Graphify-Labs/graphifyAll parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.
Excellent quality, 12K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Piebald-AI/claude-code-system-prompts🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.
Excellent quality, 88K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add nexu-io/open-designA curated list of awesome skills, hooks, slash-commands, agent orchestrators, applications, and plugins for Claude Code by Anthropic
Excellent quality, 50K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add hesreallyhim/awesome-claude-codeA comprehensive library of over 1,273 agentic skills for various AI coding assistants, featuring clear documentation and installation instructions.
Excellent quality, 44K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add sickn33/antigravity-awesome-skillsMarketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
Excellent quality, 41K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add coreyhaines31/marketingskillsReact and Next.js performance guidance for writing, reviewing, and refactoring production UI code.
Excellent quality, 30K stars, and a 24 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add vercel-labs/agent-skills --skill vercel-react-best-practicesHuashu Design · HTML-native design skill for Claude Code · Claude Code 里 HTML 原生的设计 skill · 高保真原型 / 幻灯片 / 动画 + 20 设计哲学 + 5 维评审 + MP4 导出 · Agent-agnostic
Excellent quality, 23K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add alchaincyf/huashu-designAutomate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.
Excellent quality, 25K stars, and a 23 use-case fit score.
Best suited scenario
Navigate pages
$ npx skills add openai/skills --skill playwrightClaude Code skill that removes signs of AI-generated writing from text
Excellent quality, 24K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add blader/humanizer#1 Persistent memory for AI coding agents based on real-world benchmarks
Excellent quality, 23K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add rohitg00/agentmemoryTurn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
Excellent quality, 21K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add virgiliojr94/book-to-skillPM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to strategy, execution, launch, and growth.
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add phuryn/pm-skillsGet 10X more out of Claude Code, Codex or any coding agent
Excellent quality, 27K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add BloopAI/vibe-kanbanGhostty-based macOS terminal with vertical tabs and notifications for AI coding agents
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add manaflow-ai/cmuxCreate beautiful slides on the web using a coding agent's frontend skills
Excellent quality, 22K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add zarazhangrui/frontend-slidesAnti-AI-slop design skill for Claude Code, Cursor, and Codex.
Excellent quality, 20K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Nutlope/hallmarkagent multiplexer that lives in your terminal.
Excellent quality, 18K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add ogulcancelik/herdrLow-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.
Excellent quality, 12K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add illacloud/illa-builderThe best way to get AI coding agents to solve hard problems in complex codebases.
Excellent quality, 11K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add humanlayer/humanlayer🚀 Beautiful highly customizable statusline for Claude Code CLI with powerline support, themes, and more.
Excellent quality, 11K stars, and a 23 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add sirmalloc/ccstatuslineSelection method
OpenAgentSkill scores each candidate against the workflow keywords, then balances fit with GitHub stars, quality signals, trust profile, Agent Proven outcome evidence, maintenance freshness, and whether there is a clear install path.
The ranking combines workflow fit, quality score, trust profile, GitHub adoption, maintenance freshness, and whether a clear install path exists.
No. Treat the list as a shortlist, open the skill detail page, inspect the repository and license, then test the install command in a sandbox workflow.
Yes. Use /api/skills/search with the related task or /api/agent/rankings?slug=best-open-source-ai-agent-skills-skills to fetch ranked skill data.