Skills-hub Blog

The 25 best Claude skills (2026)

Claude skills are reusable SKILL.md instructions that extend Claude Code with specialized capabilities. The best ones encode hard-won workflow knowledge, how to review code, generate tests, handle a deployment, into a portable file you can install in one command. Below are 25 of the most-installed and highest-rated Claude skills on skills-hub.ai right now, ranked by adoption and grouped by what they do.

By

How this list is ranked

Skills are sorted by install count on skills-hub.ai, filtered to skills that publish a Claude Code platform tag and have passed our automated security scan. Every skill links to its detail page where you'll see the security grade, version history, upstream GitHub source (when applicable), and the install command.

The list

  1. 01.code-review

    138 installs

    Thorough code review — checks correctness, security, performance, readability, and test coverage. Gives actionable feedback ranked by severity.

    Review
    $ npx @skills-hub-ai/cli install code-review

  2. 02.ui-design-system

    86 installs

    UI design system toolkit for Senior UI Designer including design token generation, component documentation, responsive design calculations, and developer handoff tools. Use for creating design systems, maintaining visual consistency, and facilitating design-dev collaboration.

    Buildfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-ui-design-system

  3. 03.markitdown

    49 installs

    Convert heterogeneous documents and selected URIs to Markdown with Microsoft MarkItDown for text analysis, search, and LLM/RAG ingestion. Covers safe local conversion, streams, Office/PDF/data formats, batch workflows, plugins, vision OCR, Azure extraction, and the official MCP server.

    Researchfrom Scientific Skills
    $ npx @skills-hub-ai/cli install scientific-skills-markitdown

  4. 04.web-research-agent

    44 installs

    A comprehensive autonomous web research agent that performs targeted searches, fetches and parses web content, summarizes findings, and generates structured reports, adhering to industry best practices for accuracy, security, and robustness.

    Analysis
    $ npx @skills-hub-ai/cli install web-research-agent

  5. 05.self-improving-agent

    39 installs

    Curate Claude Code's auto-memory into durable project knowledge. Analyze MEMORY.md for patterns, promote proven learnings to CLAUDE.md and .claude/rules/, extract recurring solutions into reusable skills. Use when: (1) reviewing what Claude has learned about your project, (2) graduating a pattern from notes to enforced rules, (3) turning a debugging solution into a skill, (4) checking memory health and capacity.

    Buildfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-self-improving-agent

  6. 06.Skill Finder

    38 installs

    Workflow orchestrator. Decomposes a task into ordered steps, finds or installs the right skill for each step, runs the chain, and offers to save it as a reusable skill.

    Combo
    $ npx @skills-hub-ai/cli install skill-finder

  7. 07.quickstart

    34 installs

    Zero to power user in one invoke — detects OS, installs Homebrew/apt/Node.js/Python, sets up Claude Code, authenticates skills-hub CLI, connects MCP servers, and installs recommended skills based on your project. Cross-platform (macOS, Linux, WSL). Idempotent. Use when: 'quickstart', 'setup machine', 'new machine setup', 'install everything', 'get started', 'onboard me', 'setup skills-hub', 'fresh install'.

    Productivity
    $ npx @skills-hub-ai/cli install quickstart

  8. 08.senior-frontend

    32 installs

    Frontend development skill for React, Next.js, TypeScript, and Tailwind CSS applications. Use when building React components, optimizing Next.js performance, analyzing bundle sizes, scaffolding frontend projects, implementing accessibility, or reviewing frontend code quality.

    Buildfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-senior-frontend

  9. 09.frontend-design

    31 installs

    Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.

    Buildfrom Anthropic
    $ npx @skills-hub-ai/cli install anthropic-frontend-design

  10. 10.pptx

    26 installs

    Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates (.potx), layouts, speaker notes, or comments. Trigger whenever the user mentions "deck," "slides," "presentation," or references a .pptx or .potx filename, regardless of what they plan to do with the content afterward. If a .pptx or .potx file needs to be opened, created, or touched, use this skill.

    Creativefrom Anthropic
    $ npx @skills-hub-ai/cli install anthropic-pptx

  11. 11.social-media-manager

    26 installs

    When the user wants to develop social media strategy, plan content calendars, manage community engagement, or grow their social presence across platforms. Also use when the user mentions 'social media strategy,' 'social calendar,' 'community management,' 'social media plan,' 'grow followers,' 'engagement rate,' 'social media audit,' or 'which platforms should I use.' For writing individual social posts, see social-content. For analyzing social performance data, see social-media-analyzer.

    Marketingfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-social-media-manager

  12. 12.unit-test

    24 installs

    Generate comprehensive unit tests with edge cases, error paths, and boundary values. Auto-detects test framework (Vitest, Jest, pytest, go test, flutter_test, RSpec, cargo test, JUnit), scans for untested functions by priority, adopts existing test conventions, generates tests with proper mocks, runs them, and self-heals failures in up to 3 iterations. Measures coverage before and after. Use when you need to add unit tests, increase code coverage, test edge cases, or verify error handling paths.

    Testfrom Skills Hub
    $ npx @skills-hub-ai/cli install unit-test

  13. 13.using-superpowers

    24 installs

    Use when starting any conversation - establishes how to find and use skills, requiring skill invocation before ANY response including clarifying questions

    Buildfrom Superpowers
    $ npx @skills-hub-ai/cli install superpowers-using-superpowers

  14. 14.security-review

    22 installs

    Security audit and vulnerability assessment for any codebase. Scans for authentication bypasses, missing auth middleware, broken JWT validation (algorithm confusion, weak secrets, missing expiry), OAuth state and PKCE flaws, IDOR and horizontal privilege escalation, vertical privilege escalation via role manipulation, SQL injection, NoSQL injection, XSS (stored, reflected, DOM), command injection, path traversal, SSRF, CSRF, hardcoded secrets and API keys (sk_live_, AKIA, ghp_), .env and credential file exposure, PII leaking in logs and error responses, overfetching sensitive fields, CORS misconfiguration, session fixation, missing secure/httpOnly/sameSite cookie flags, and Firebase/Firestore rule weaknesses. Produces a severity-ranked findings report with exploit scenarios and fix recommendations. Covers OWASP Top 10.

    Reviewfrom Skills Hub
    $ npx @skills-hub-ai/cli install security-review

  15. 15.refactor

    21 installs

    Systematic code refactoring — extract functions, reduce complexity, eliminate duplication, improve naming, and split large files. Preserves behavior with tests.

    Review
    $ npx @skills-hub-ai/cli install refactor

  16. 16.design-to-code

    21 installs

    Turn a design into production-quality frontend code: extract a design system with tokens and components, make layouts responsive across breakpoints, add dark mode with WCAG-compliant theming, then run a UX audit to validate everything. Use when implementing UI from Figma, adding theming, making an app responsive, or overhauling frontend design consistency.

    Combofrom Skills Hub
    $ npx @skills-hub-ai/cli install design-to-code

  17. 17.senior-backend

    20 installs

    Designs and implements backend systems including REST APIs, microservices, database architectures, authentication flows, and security hardening. Use when the user asks to "design REST APIs", "optimize database queries", "implement authentication", "build microservices", "review backend code", "set up GraphQL", "handle database migrations", or "load test APIs". Covers Node.js/Express/Fastify development, PostgreSQL optimization, API security, and backend architecture patterns.

    Buildfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-senior-backend

  18. 18.marketing-strategy-pmm

    20 installs

    Product marketing skill for positioning, GTM strategy, competitive intelligence, and product launches. Use when the user asks about product positioning, go-to-market planning, competitive analysis, target audience definition, ICP definition, market research, launch plans, or sales enablement. Covers April Dunford positioning, ICP definition, competitive battlecards, launch playbooks, and international market entry. Produces deliverables including positioning statements, battlecard documents, launch plans, and go-to-market strategies.

    Marketingfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-marketing-strategy-pmm

  19. 19.skill-creator

    15 installs

    Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

    Metafrom Skills Hub
    $ npx @skills-hub-ai/cli install skill-creator

  20. 20.swot-analysis

    15 installs

    Perform a detailed SWOT analysis — strengths, weaknesses, opportunities, and threats with actionable recommendations. Use when doing strategic assessment, competitive analysis, or evaluating a product or business position.

    Productfrom Product Management Skills
    $ npx @skills-hub-ai/cli install pm-skills-swot-analysis

  21. 21.docx

    14 installs

    Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files) or Word templates (.dotx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', '.dotx', or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when extracting or reorganizing content from .docx or .dotx files, inserting or replacing images in documents, performing find-and-replace in Word files, working with tracked changes or comments, or converting content into a polished Word document. If the user asks for a 'report', 'memo', 'letter', 'template', or similar deliverable as a Word or .docx file, use this skill. Do NOT use for PDFs, spreadsheets, Google Docs, or general coding tasks unrelated to document generation.

    Creativefrom Anthropic
    $ npx @skills-hub-ai/cli install anthropic-docx

  22. 22.preflight

    14 installs

    Pre-deploy verification gate. Checks git status, build, tests, migrations, secrets, and commit conventions. Reports READY or NOT READY. Read-only, no changes. Trigger words: preflight, pre-deploy check, ready to deploy, deployment checklist.

    QAfrom Skills Hub
    $ npx @skills-hub-ai/cli install preflight

  23. 23.seo-audit

    14 installs

    When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," or "SEO health check." For building pages at scale to target keywords, see programmatic-seo. For adding structured data, see schema-markup.

    Marketingfrom Multi-Domain Skills
    $ npx @skills-hub-ai/cli install alirezarezvani-seo-audit

  24. 24.design-claude

    13 installs

    HTML-first hi-fi design skill: interactive prototypes, slide decks, animation demos, design variant exploration, visual direction advising, and expert critique. Triggers: make a prototype, design demo, interactive prototype, HTML presentation, animation demo, design variants, hi-fi design, UI mockup, prototype, design exploration, make an HTML page, make a visualization, app prototype, iOS prototype, mobile app mockup, export MP4, export GIF, 60fps video, design style, design direction, design philosophy, color scheme, visual style, recommend style, pick a style, make it look good, review, does this look good, review this design. Core capabilities: Junior Designer workflow (show assumptions+reasoning+placeholders first, then iterate), anti-AI-slop checklist, React+Babel best practices, Tweaks variant switching, Speaker Notes presentation, Starter Components (slide shell/variant canvas/animation engine/device frames), App prototype rules (default real images from Wikimedia/Met/Unsplash,

    UXfrom Skills Hub
    $ npx @skills-hub-ai/cli install design-claude

  25. 25.ffmpeg-media

    13 installs

    Process audio and video with FFmpeg -- encoding, format conversion, trimming, concatenation, audio extraction, noise reduction, volume normalization, watermarking, subtitle burning, GIF creation, thumbnail extraction, and hardware-accelerated transcoding. Covers 100+ input/output formats.

    Build
    $ npx @skills-hub-ai/cli install ffmpeg-media

Installing any Claude skill

Pick a skill above, copy its install command, and run it from your project root. The CLI writes the SKILL.md to .claude/skills/ and tracks the install in .skills.json so your team gets the same skills at the same versions.

Want every Claude Code skill in one place? See the full Claude skills registry (skills indexed daily from Anthropic, Microsoft, Google, Vercel, Stripe, Cloudflare, and more).

More on Claude skills