Claude Code skills and agent workflows
A skill is not a SaaS. It is a packaged workflow Claude Code (or a similar agent) can load: how to edit an xlsx, how to review a PR, how to keep secrets out of logs. Use this hub to find official Anthropic skills versus community ones, then open the first-party repo before you paste it into production.
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What is a Claude Code skill?
Instructions plus optional scripts the agent follows for a repeatable job. It is closer to a runbook than to a hosted product.
Are these free?
Most listed skills are open files on GitHub. You still pay the Claude or API seat that runs them.
Official vs community skills?
Official Anthropic skills live under anthropics/skills. Community skills vary in quality. Prefer a first-party tree and a real README over a viral gist.
All Claude Code skills and agent workflows tools (131)
Open any tool below for details, features, and pricing.
- 3Dviz Pro Max3Dviz Pro Max is an MIT Claude Code and Codex skill that turns one sentence into an inspectable Three.js or Blender scene.
- Agent Messaging SkillSend and receive messages between AI agents using AI Maestro's dual-channel messaging system.
- Agent Ops Incident NotifierMonitor agent queues, detect SLA breaches, and notify teams before degraded workflows impact customers.
- Agent SkillsProduction-grade engineering skills for AI coding agents. 25 skills and 9 slash commands that enforce the dev lifecycle across Claude Code, Codex, Cursor, and more.
- AI Health AnalyzerAI-driven comprehensive health analysis system that integrates multi-dimensional health data, identifies abnormal patterns, predicts health risks, and provides personalized recommendations.
- Algorithmic Art SkillAnthropic example skill. Not a generative studio.
- AndonAndon is a MIT Lean quality kit for Claude Code that turns each agent defect into a permanent countermeasure.
- anything2explaineranything2explainer is a Claude Code and Codex skill that turns a topic into a Remotion explainer video with TTS, subtitles, and QC.
- Apple DesignApple Design is an MIT skill in emilkowalski/skills that translates WWDC fluid-interface talks into web motion, springs, and materials.
- Awesome Claude DesignAwesome Claude Design is an MIT catalog of DESIGN.md files, remix recipes, and skills for Anthropic Labs Claude Design.
- AWS SkillsAWS development with CDK best practices, infrastructure automation, and cloud architecture patterns for serverless and event-driven applications.
- Brainstorming SkillExplores user intent, requirements and design before implementation through collaborative dialogue.
- Brand Guidelines SkillAnthropic's official brand guidelines skill with brand assets and design standards, enabling Claude to automatically follow corporate brand consistency.
- CachebeatCachebeat is a tiny Claude Code skill that keeps the prompt cache warm during idle sessions so the next message is a cheap cache read.
- Canvas Design SkillAnthropic example skill. Not a design SaaS.
- Citation Management SkillComprehensive citation and bibliography management - search, validate, and format citations from Google Scholar and PubMed.
- Claude SEOClaude SEO is a MIT Claude Code toolkit with 25 sub-skills and 18 agents for technical SEO, GEO, schema, and site audits.
- Claude Style PatchClaude Style Patch is a CC0 CLAUDE.md drop-in that bans Claudish prose tics and gives rewrite rules.
- Clinical Decision Support SkillGenerate professional clinical decision support documents - patient cohort analyses with biomarker stratification and treatment recommendation reports with G.
- Clinical Reports SkillWrite comprehensive clinical reports - case reports (CARE guidelines), diagnostic reports (radiology/pathology/lab), clinical trial reports (ICH-E3, SAE, CSR.
- Dispatching Parallel Agents SkillDispatch multiple independent agents to work on unrelated tasks concurrently, maximizing efficiency.
- Doc Co-Authoring SkillAnthropic example skill. Not a paid writer.
- Documentation Search SkillProactively search auto-generated documentation before implementing - function signatures, API docs, class definitions.
- Document SkillsComprehensive Office document processing toolkit - create, edit, and analyze Word (.docx), PDF, PowerPoint (.pptx), and Excel (.xlsx) files with professional.
- DOCX SkillAnthropic's official DOCX skill for comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction.
- Emergency Medical CardCommunity Claude skill that turns health notes into an emergency card. Not a paid clinic or audited medical product.
- EPUB Ebook ProcessorParse and analyze EPUB ebook contents for querying, summarizing, and extracting structured information from digital books.
- Excalidraw Diagram SkillGenerate Excalidraw diagrams from text for Obsidian - supports flowcharts, mind maps, relationship diagrams, timelines, and more with automatic file creation.
- Executing Plans SkillLoad implementation plans, execute tasks in batches with review checkpoints between batches.
- Family Health AnalyzerAnalyze family health patterns, identify genetic risks, and provide family-wide health recommendations.
- Intelligent File OrganizerIntelligently organize files and folders across your computer using AI-powered categorization and smart file management.
- Finishing a Development Branch SkillGuide completion of development work with structured options for merge, PR, or cleanup after tests pass.
- Fitness AnalyzerAnalyze workout data, identify exercise patterns, assess fitness progress, and provide personalized training recommendations. Supports correlation with chronic condition data.
- Food Database QueryQuery comprehensive food nutrition database for nutritional information, portion sizes, and meal planning.
- Frontend Design SkillAnthropic's official skill for creating distinctive, production-grade frontend interfaces with high design quality for web components, pages, and applications.
- Generate Image SkillGenerate or edit images using AI models (FLUX, Gemini) for photos, illustrations, artwork, and visual assets.
- Git Operations AutomationAutomate git operations and repository interactions including commit, push, branch management, and workflow optimization.
- Goal AnalyzerTrack health goals, monitor achievement progress, and provide personalized recommendations for goal attainment.
- Gongwen GB/T 9704 SkillGongwen GB/T 9704 Skill is a MIT pack that writes GB/T 9704-2012 official-document DOCX for Claude Code, Codex, OpenCode, and Kimi.
- Code Graph Query SkillProactively query code graph database to understand relationships and impact of changes before modification.
- Health Trend AnalyzerAnalyze long-term health trends across multiple dimensions to identify patterns and predict future health trajectories.
- HuggingFace CLICommand-line tools for HuggingFace Hub interactions, model management, and dataset operations.
- HuggingFace DatasetsManage, load, and process datasets from HuggingFace Hub for machine learning training and evaluation.
- HuggingFace EvaluationModel evaluation tools with standard metrics, benchmarks, and comprehensive performance analysis for AI models.
- HuggingFace Experiment TrackingTrack experiments, metrics, and model performance across training runs for reproducible AI research.
- HuggingFace JobsManage and orchestrate ML training jobs, deployments, and compute resources on HuggingFace infrastructure.
- HuggingFace Model TrainerComprehensive training tools for fine-tuning and training AI models with best practices and optimization strategies.
- HuggingFace Paper PublisherTools for publishing and managing research papers on HuggingFace Hub, linking models with publications.
- HuggingFace Tool BuilderCreate custom tools and integrations for HuggingFace ecosystem, extending AI model capabilities.
- HumanizerHumanizer is a MIT agent skill that rewrites AI-sounding prose using 35 patterns from Wikipedia's Signs of AI writing, without changing the facts.
- HyperFramesHyperFrames is Apache-2.0 HTML-to-MP4 for agents, with 20 Claude Code and Codex skills and no per-render fee.
- Hypothesis Generation SkillGenerate testable hypotheses from observations, design experiments, and explore competing explanations.
- Internal Communications SkillAnthropic's official skill providing resources for writing internal communications like status reports, leadership updates, company newsletters, FAQs, and incident reports.
- LaTeX Posters SkillCreate professional research posters in LaTeX using beamerposter, tikzposter, or baposter - with AI-generated visuals and poster-optimized formatting.
- Linear Project ManagementManage Linear issues, projects, and teams with MCP tools, SDK scripts, and GraphQL fallbacks for reliable project tracking.
- Linus Torvalds SkillLinus Torvalds Skill is a CC0 code-review pack distilled from 31,397 LKML emails into four model-specific SKILL.md files.
- Literature Review SkillConduct comprehensive systematic literature reviews across multiple academic databases with verified citations.
- ljg-skillsLi Jigang's open-source skills collection for Codex, with 20+ prompt engineering skills installable in one command and community praise as a prompt master.
- Makepad Components GalleryQuick reference for all Makepad built-in widgets with usage examples. Covers buttons, inputs, sliders, checkboxes, dropdowns, labels, icons, and virtual lists.
- Makepad Core ConceptsFundamental building blocks of Makepad UI development including layout systems, widgets, event handling, and styling with live_design! macro.
- Makepad DeploymentPackage Makepad applications for distribution on desktop (Linux, Windows, macOS), mobile (Android, iOS), and web (Wasm) platforms. Complete build and deployment guide.
- Makepad EvolutionSelf-improving skill system for Makepad development. Features self-evolution to accumulate knowledge, self-correction to fix errors automatically, and self-v.
- Makepad Getting StartedEntry point for Makepad development with Claude. Learn project setup, structure, and available skills for building cross-platform UI applications with Rust.
- Makepad Graphics & EffectsGPU-accelerated shaders, SDF drawing, animations, and visual effects in Makepad. Learn shader basics, SDF shapes, animator systems, and easing functions.
- Makepad PatternsReusable patterns for Makepad widget development, data management, and async architecture. Covers modal overlays, state machines, async loading, and Tokio integration.
- Makepad ReferenceReference materials for Makepad development including troubleshooting common errors, code quality guidelines, and responsive layout patterns for cross-platform apps.
- Market Research Reports SkillGenerate comprehensive 50+ page market research reports in consulting firm style - extensive visuals, deep research-lookup integration, multi-framework strategic analysis.
- Marketing SkillsMarketing Skills is a MIT library of 50 agent skills for SEO, CRO, copywriting, analytics, and growth engineering.
- MarkItDown SkillConvert files and office documents to Markdown - supports PDF, DOCX, PPTX, XLSX, images with OCR, audio transcription, and more.
- MCP Builder SkillAnthropic's official guide for creating high-quality MCP (Model Context Protocol) servers in Python (FastMCP) or Node/TypeScript to enable LLMs to interact w.
- Memory Search SkillProactively search conversation history to find previous discussions, decisions, and context before starting new work.
- Mental Health AnalyzerAnalyze mental health data, identify emotional patterns, assess psychological wellbeing, and provide personalized mental health recommendations. Supports correlation with sleep, exercise, and nutrition data.
- Mermaid Visualizer SkillTransform text into professional Mermaid diagrams with built-in syntax error prevention - supports flowcharts, mindmaps, sequence diagrams, and more, optimized for presentations and documentation.
- MiniCPM5 SkillsMiniCPM5 Skills is OpenBMB's SKILL.md pack that routes MiniCPM5 deploy and finetune work across vLLM, SGLang, Ollama, and LoRA tools.
- NotebookLM SkillThird-party Claude Code skill. Not the NotebookLM product.
- Nutrition AnalyzerAnalyze nutrition data, identify dietary patterns, assess nutritional status, and provide personalized nutrition recommendations. Supports correlation analysis with exercise, sleep, and chronic condition data.
- Obsidian Canvas Creator SkillCreate Obsidian Canvas files from text with MindMap and freeform layouts - transform structured content into interactive spatial visualizations with proper J.
- Occupational Health AnalyzerAnalyze work-related health issues, ergonomics, stress, and occupational hazards for workplace wellness.
- Open StepsOpen Steps is an MIT Claude Code skill pack that translates agent jargon into plain-language verdicts and next steps.
- OpenCode SkillsOpenCode Skills is an independent catalog of 156 MIT SKILL.md packs you can drop into OpenCode without an account.
- OpenRouter GatewayCentralize multiple LLM providers behind one API and automatically route traffic by cost, latency, and capability.
- Oral Health AnalyzerTrack dental health, analyze oral hygiene patterns, and provide dental care recommendations.
- Paper2Web SkillConvert academic papers into interactive websites, presentation videos, and conference posters - autonomous pipeline for LaTeX/PDF transformation.
- PDF SkillAnthropic's official PDF processing skill that teaches Claude Agent how to extract text, create, merge, or split PDF documents.
- Peer Review SkillSystematic peer review toolkit for evaluating methodology, statistics, design, reproducibility, and ethics.
- Planning with FilesClaude Code skill implementing Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition.
- Playwright AutomationBrowser automation and testing with Playwright for web application testing, UI automation, and end-to-end testing workflows.
- PonytailOpen-source agent skill that makes Claude Code, Codex, OpenCode and more write only what the task needs: about 54% less code with the same safety guards.
- Post to WeChatBaoyu skill. Not leftover skills/post-to-wechat.
- PostgreSQL DatabaseExecute safe read-only SQL queries against PostgreSQL databases with multi-connection support and defense-in-depth security.
- PPTX Posters SkillCreate research posters using HTML/CSS exportable to PDF or PowerPoint - modern web-based poster design with responsive layouts.
- RAG Grounding WorkflowBuild retrieval-grounded responses for AI assistants with citation checks and source confidence scoring.
- Receiving Code Review SkillTechnical evaluation of code review feedback - verify before implementing, ask before assuming.
- Rehabilitation AnalyzerTrack recovery progress, analyze rehabilitation exercises, and optimize healing strategies.
- Requesting Code Review SkillDispatch code-reviewer subagent to catch issues before they cascade - review early, review often.
- Research Grants SkillWrite competitive research proposals for NSF, NIH, DOE, and DARPA with agency-specific formatting and review criteria.
- Research Lookup SkillReal-time research lookup using Perplexity Sonar models - access current academic literature with citations.
- Reveal.js PresentationsGenerate polished, professional presentations using the Reveal.js HTML presentation framework with modern web technologies.
- Scholar Evaluation SkillApply ScholarEval framework to systematically evaluate scholarly work - comprehensive analysis across research quality dimensions with structured scoring and feedback.
- Scientific Critical Thinking SkillEvaluate research rigor systematically - assess methodology, experimental design, statistical validity, biases, confounding, and evidence quality using GRADE.
- Scientific Schematics SkillCreate publication-quality scientific diagrams using Nano Banana Pro AI with smart iterative refinement.
- Scientific Slides SkillBuild AI-generated PDF presentation slides for research talks using Nano Banana Pro - visually engaging and research-backed.
- Scientific Writing SkillCore skill for writing research manuscripts in IMRAD structure with proper citations, figures, and reporting guidelines.
- Secure Environment VariablesSecure environment variable management ensuring secrets never appear in Claude sessions, terminals, logs, or git commits.
- Sexual Health AnalyzerTrack sexual health metrics, analyze patterns, and provide evidence-based sexual wellness recommendations.
- Skill CreatorAnthropic's official meta-skill creation tool with templates and best practices for creating high-quality Claude Skills.
- Skills For Real EngineersMatt Pocock's composable agent skills for real engineering: grilling, wayfinder, TDD, and code review. MIT. Claude Code and Codex.
- Skin Health AnalyzerMonitor skin conditions, track skincare routines, and analyze factors affecting skin health.
- Slack GIF Creator SkillAnthropic's official skill providing knowledge and utilities for creating animated GIFs optimized for Slack with proper dimensions, file sizes, and creative.
- Sleep AnalyzerAnalyze sleep data, identify sleep patterns, assess sleep quality, and provide personalized sleep improvement recommendations. Supports correlation analysis.
- Subagent-Driven Development SkillExecute plans by dispatching fresh subagent per task with two-stage review - spec compliance then code quality.
- Systematic Debugging SkillAlways find root cause before attempting fixes - systematic approach to debugging any technical issue.
- TCM Constitution AnalyzerAnalyze Traditional Chinese Medicine body constitution types and provide personalized TCM health recommendations.
- Test-Driven Development SkillWrite tests first, watch them fail, then write minimal code to pass - ensuring code quality through TDD methodology.
- Theme Factory SkillAnthropic's official toolkit for styling artifacts with 10 pre-set professional themes or generating custom themes on-the-fly for slides, docs, and HTML.
- Travel Health AnalyzerTrack travel health, vaccination status, and destination-specific health recommendations for safe international travel.
- Treatment Plans SkillGenerate concise (3-4 page) medical treatment plans in LaTeX/PDF for all clinical specialties - SMART goals, evidence-based interventions, regulatory compliance (HIPAA de-identification).
- UI SkillsUI design skills collection providing UI/UX design best practices, component libraries, and design system guidelines to help AI generate professional interfaces.
- unlazyunlazy is an MIT Claude Code and Codex skill that forces substantial agent work through a Depth Tree of runnable acceptance gates.
- Using Git Worktrees SkillCreates isolated git workspaces for feature work with smart directory selection and safety verification.
- Using Superpowers SkillMeta-skill that establishes how to find and use Skills - invoke relevant Skills before ANY response.
- Venue Templates SkillLaTeX templates and formatting requirements for major journals, conferences, posters, and grant proposals.
- Verification Before Completion SkillEvidence before claims - always run verification commands and confirm output before making completion claims.
- video-shotcraftOpen-source agent skill for Claude Code & Codex that turns your terminal agent into a motion-design studio, producing cinematic product videos with Remotion.
- Web Artifacts Builder SkillAnthropic's official suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui.
- WebApp Testing SkillAnthropic's official toolkit for interacting with and testing local web applications using Playwright for frontend functionality verification and debugging.
- Writing Plans SkillCreate comprehensive implementation plans with bite-sized tasks assuming zero context, before touching code.
- Writing Skills SkillTest-Driven Development applied to process documentation - create and verify Skills work before deployment.
- X Article PublisherClaude Code skill for publishing Markdown articles to X (Twitter) Articles platform.
- XLSX SkillAnthropic's official skill for comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization.
- YouTube Transcript ExtractorFetch transcripts from YouTube videos and prepare summaries, extract key points, and analyze video content.