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 100 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add addyosmani/agent-skillsUse Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.
Excellent quality, 183K stars, and a 26 use-case fit score.
Best suited scenario
Navigate pages
$ npx skills add anthropics/skills --skill webapp-testingReact and Next.js performance guidance for writing, reviewing, and refactoring production UI code.
Excellent quality, 33K stars, and a 24 use-case fit score.
Best suited scenario
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$ npx skills add vercel-labs/agent-skills --skill vercel-react-best-practicesDesign and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.
Excellent quality, 100K stars, and a 20 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add Leonxlnx/taste-skill --skill design-taste-frontendAnnotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click.
Excellent quality, 9.1K stars, and a 25 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add backnotprop/plannotatorReview UI code for web interface guidelines, UX quality, accessibility, and interaction design best practices.
Excellent quality, 33K stars, and a 21 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add vercel-labs/agent-skills --skill web-design-guidelinesResearch the last 30 days across Reddit, X, YouTube, Hacker News, Polymarket, GitHub, and the web, then synthesize a grounded brief for an AI agent.
Excellent quality, 64K stars, and a 22 use-case fit score.
Best suited scenario
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$ npx skills add mvanhorn/last30days-skill -gReview 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
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$ npx skills add mattpocock/skills --skill code-reviewReverse 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 30 use-case fit score.
Best suited scenario
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$ npx skills add zhaoxuya520/reverse-skillImplement 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
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$ npx skills add mattpocock/skills --skill implementGuidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product interfaces.
Excellent quality, 183K stars, and a 20 use-case fit score.
Best suited scenario
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$ npx skills add anthropics/skills --skill frontend-designRewrites AI-sounding text so it reads naturally while preserving every factual claim and matching the writer's voice.
Excellent quality, 58K stars, and a 19 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add blader/humanizer --skill humanizerCreate original visual art, posters, PNG assets, and PDF documents through a clear design philosophy.
Excellent quality, 183K stars, and a 20 use-case fit score.
Best suited scenario
Inspect visual requirements
$ npx skills add anthropics/skills --skill canvas-designA 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
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$ npx skills add multica-ai/andrej-karpathy-skillsApply Anthropic official brand colors, typography, and visual standards to appropriate Anthropic-related artifacts.
Excellent quality, 183K stars, and a 19 use-case fit score.
Best suited scenario
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$ npx skills add anthropics/skills --skill brand-guidelinesUltra-high-performance, secure, all-in-one acceleration engine for developer resources
Excellent quality, 8.2K stars, and a 19 use-case fit score.
Best suited scenario
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$ npx skills add xixu-me/xgetGet 10X more out of Claude Code, Codex or any coding agent
Excellent quality, 28K stars, and a 24 use-case fit score.
Best suited scenario
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$ npx skills add BloopAI/vibe-kanbanA curated collection of 1000+ agent skills from official dev teams and the community, compatible with Claude Code, Codex, Gemini CLI, Cursor, and more.
Excellent quality, 36K stars, and a 18 use-case fit score.
Best suited scenario
Inspect source files
$ npx skills add VoltAgent/awesome-agent-skillsDeploy applications and websites to Vercel, including preview deployments and shareable deployment links.
Excellent quality, 33K stars, and a 18 use-case fit score.
Best suited scenario
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$ npx skills add vercel-labs/agent-skills --skill deploy-to-vercelLightweight coding agent that runs in your terminal
Excellent quality, 91K stars, and a 25 use-case fit score.
Best suited scenario
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$ npx skills add openai/codexA 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
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$ npx skills add Graphify-Labs/graphifyAI-Driven Life Cycle (AI-DLC) adaptive workflow steering rules for AI coding agents
Excellent quality, 4.9K stars, and a 22 use-case fit score.
Best suited scenario
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$ npx skills add awslabs/aidlc-workflowsA 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.mdEliminates predictable AI writing patterns from prose while preserving specific meaning and reader trust.
Excellent quality, 16K stars, and a 17 use-case fit score.
Best suited scenario
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$ npx skills add hardikpandya/stop-slop --skill stop-slopMarketing 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
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$ npx skills add coreyhaines31/marketingskillsAll 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
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$ npx skills add Piebald-AI/claude-code-system-promptsCreate beautiful slides on the web using a coding agent's frontend skills
Excellent quality, 29K stars, and a 24 use-case fit score.
Best suited scenario
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$ npx skills add zarazhangrui/frontend-slidesTurn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
Excellent quality, 28K stars, and a 24 use-case fit score.
Best suited scenario
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$ npx skills add virgiliojr94/book-to-skillBridge 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-connectA 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-codeSelection 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.