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Claude Skills

The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.

Every Agent Skill we could find on GitHub, deduplicated by content. 80 149 files from 1 774 authors, of which 62 489 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.

62 489
unique skills
out of 80 149 files found on GitHub
17 660
are copies
same content, someone else's repository
1 741
tokens, median
what a typical skill costs you in context
7 984
name collisions
two skills with one name cannot sit side by side

29 881–29 940 of 62 489

page 499 of 1 042
Skill Creator Ms
by lingxling

Guide for creating effective skills for AI coding agents working with Azure SDKs and Microsoft Foundry services. Use when creating new skills or updating existing skills.

5k tokens
Skill Creator
by lingxling

To create new CLI skills following Anthropic's official best practices with zero manual configuration. This skill automates brainstorming, template application, validation, and installation processes while maintaining progressive disclosure patterns and writing style standards.

16k tokens scripts
Skill Developer
by lingxling

Comprehensive guide for creating and managing skills in Claude Code with auto-activation system, following Anthropic's official best practices including the 500-line rule and progressive disclosure pattern.

14k tokens
Skill Improver
by lingxling

Iteratively improve a Claude Code skill using the skill-reviewer agent until it meets quality standards. Use when improving a skill with multiple quality issues, iterating on a new skill until it meets standards, or automated fix-review cycles instead of manual editing.

2k tokens
Skill Installer
by lingxling

Instala, valida, registra e verifica novas skills no ecossistema. 10 checks de seguranca, copia, registro no orchestrator e verificacao pos-instalacao.

30k tokens scripts
Skill Rails Upgrade
by lingxling

Analyze Rails apps and provide upgrade assessments

3k tokens
Skill Router
by lingxling

Use when the user is unsure which skill to use or where to start. Interviews the user with targeted questions and recommends the best skill(s) from the installed library for their goal.

2k tokens
Skill Scanner
by lingxling

Scan agent skills for security issues before adoption. Detects prompt injection, malicious code, excessive permissions, secret exposure, and supply chain risks.

2k tokens
Skill Seekers
by lingxling

-Automatically convert documentation websites, GitHub repositories, and PDFs into Claude AI skills in minutes.

292 tokens
Skill Sentinel
by lingxling

Auditoria e evolucao do ecossistema de skills. Qualidade de codigo, seguranca, custos, gaps, duplicacoes, dependencias e relatorios de saude.

33k tokens scripts
Skill Suggester
by lingxling

Scan prompt history for recurring patterns and unmet needs, then propose new skills or command templates

816 tokens
Skill Writer
by lingxling

Create and improve agent skills following the Agent Skills specification. Use when asked to create, write, or update skills.

4k tokens
Skin Health Analyzer
by lingxling

Analyze skin health data, identify skin problem patterns, assess skin health status. Supports correlation analysis with nutrition, chronic diseases, and medication data.

4k tokens zh
Skyvern Browser Automation
by lingxling

AI-powered browser automation — navigate sites, fill forms, extract structured data, log in with stored credentials, and build reusable workflows.

4k tokens
Slack Automation
by lingxling

Automate Slack workspace operations including messaging, search, channel management, and reaction workflows through Composio's Slack toolkit.

2k tokens
Slack Bot Builder
by lingxling

Build Slack apps using the Bolt framework across Python, JavaScript, and Java. Covers Block Kit for rich UIs, interactive components, slash commands, event handling, OAuth installation flows, and Workflow Builder integration.

10k tokens
Sleep Analyzer
by lingxling

分析睡眠数据、识别睡眠模式、评估睡眠质量,并提供个性化睡眠改善建议。支持与其他健康数据的关联分析。

5k tokens zh
Slo Implementation
by lingxling

Framework for defining and implementing Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error budgets.

2k tokens
Smart Git Automation
by lingxling

Smart change detection, auto branch naming, and streamlined commit/PR workflow

1k tokens
Smartui Skill
by lingxling

Generates SmartUI visual regression test configurations for screenshot comparison on TestMu AI cloud. Framework-agnostic — works with Playwright, Selenium, Cypress, Puppeteer. Use when user mentions "SmartUI", "visual regression", "screenshot comparison", "visual testing". Triggers on:...

1k tokens
Smtp Penetration Testing
by lingxling

Conduct comprehensive security assessments of SMTP (Simple Mail Transfer Protocol) servers to identify vulnerabilities including open relays, user enumeration, weak authentication, and misconfiguration.

3k tokens
Snowflake Development
by lingxling

Comprehensive Snowflake development assistant covering SQL best practices, data pipeline design (Dynamic Tables, Streams, Tasks, Snowpipe), Cortex AI functions, Cortex Agents, Snowpark Python, dbt integration, performance tuning, and security hardening.

2k tokens
Social Content
by lingxling

You are an expert social media strategist with direct access to a scheduling platform that publishes to all major social networks. Your goal is to help create engaging content that builds audience, drives engagement, and supports business goals.

5k tokens
Social Metadata Hardening
by lingxling

Fix social sharing previews so URLs render as rich cards on Facebook, LinkedIn, X/Twitter, WhatsApp, Telegram, and more. Covers OG tags, Twitter cards, absolute image URLs, and debugging.

2k tokens
Social Orchestrator
by lingxling

Orquestrador unificado de canais sociais — coordena Instagram, Telegram e WhatsApp em um unico fluxo de trabalho. Publicacao cross-channel, metricas unificadas, reutilizacao de conteudo por formato, agendamento sincronizado e gestao centralizada de campanhas em todos os canais simultaneamente.

2k tokens
Social Post Writer SEO
by lingxling

Social Media Strategist and Content Writer. Creates clear, engaging social media posts for Instagram, LinkedIn, and Facebook.

1k tokens
Social Proof Architect
by lingxling

One sentence - what this skill does and when to invoke it

1k tokens
Software Architecture
by lingxling

Guide for quality focused software architecture. This skill should be used when users want to write code, design architecture, analyze code, in any case that relates to software development.

1k tokens
Solidity Security
by lingxling

Master smart contract security best practices, vulnerability prevention, and secure Solidity development patterns.

4k tokens
Source Driven Development
by lingxling

Grounds every implementation decision in official documentation. Use when you want authoritative, source-cited code free from outdated patterns. Use when building with any framework or library where correctness matters.

2k tokens
Spark Optimization
by lingxling

Optimize Apache Spark jobs with partitioning, caching, shuffle optimization, and memory tuning. Use when improving Spark performance, debugging slow jobs, or scaling data processing pipelines.

3k tokens
Spec Driven Development
by lingxling

Creates specs before coding. Use when starting a new project, feature, or significant change and no specification exists yet. Use when requirements are unclear, ambiguous, or only exist as a vague idea.

2k tokens
Spec To Code Compliance
by lingxling

Verifies code implements exactly what documentation specifies for blockchain audits. Use when comparing code against whitepapers, finding gaps between specs and implementation, or performing compliance checks for protocol implementations.

3k tokens
Speckit Updater
by lingxling

SpecKit Safe Update

2k tokens
Speed
by lingxling

Launch RSVP speed reader for text

415 tokens
Spline 3d Integration
by lingxling

Use when adding interactive 3D scenes from Spline.design to web projects, including React embedding and runtime control API.

11k tokens
SQL Injection Testing
by lingxling

Execute comprehensive SQL injection vulnerability assessments on web applications to identify database security flaws, demonstrate exploitation techniques, and validate input sanitization mechanisms.

3k tokens
SQL Optimization Patterns
by lingxling

Transform slow database queries into lightning-fast operations through systematic optimization, proper indexing, and query plan analysis.

4k tokens
SQL Pro
by lingxling

Master modern SQL with cloud-native databases, OLTP/OLAP optimization, and advanced query techniques. Expert in performance tuning, data modeling, and hybrid analytical systems.

2k tokens
Sqlmap Database Pentesting
by lingxling

Provide systematic methodologies for automated SQL injection detection and exploitation using SQLMap.

3k tokens
Square Automation
by lingxling

Automate Square tasks via Rube MCP (Composio): payments, orders, invoices, locations. Always search tools first for current schemas.

2k tokens
Squirrel
by lingxling

Full-cycle AI coding skill: plans, builds, tests, lints, fixes bugs, and writes production-grade docs. Auto-detects project state and adapts its 8-phase pipeline.

1k tokens
Sred Project Organizer
by lingxling

Take a list of projects and their related documentation, and organize them into the SRED format for submission.

2k tokens
Sred Work Summary
by lingxling

Go back through the previous year of work and create a Notion doc that groups relevant links into projects that can then be documented as SRED projects.

2k tokens
SSH Penetration Testing
by lingxling

Conduct comprehensive SSH security assessments including enumeration, credential attacks, vulnerability exploitation, tunneling techniques, and post-exploitation activities. This skill covers the complete methodology for testing SSH service security.

3k tokens
Stability AI
by lingxling

Geracao de imagens via Stability AI (SD3.5, Ultra, Core). Text-to-image, img2img, inpainting, upscale, remove-bg, search-replace. 15 estilos artisticos.

16k tokens scripts
Startup Analyst
by lingxling

Expert startup business analyst specializing in market sizing, financial modeling, competitive analysis, and strategic planning for early-stage companies.

3k tokens
Startup Business Analyst Business Case
by lingxling

Generate comprehensive investor-ready business case document with market, solution, financials, and strategy '

3k tokens
Startup Business Analyst Financial Projections
by lingxling

Create detailed 3-5 year financial model with revenue, costs, cash flow, and scenarios '

2k tokens
Startup Business Analyst Market Opportunity
by lingxling

Generate comprehensive market opportunity analysis with TAM/SAM/SOM calculations '

2k tokens
Startup Financial Modeling
by lingxling

Build comprehensive 3-5 year financial models with revenue projections, cost structures, cash flow analysis, and scenario planning for early-stage startups.

3k tokens
Startup Metrics Framework
by lingxling

Comprehensive guide to tracking, calculating, and optimizing key performance metrics for different startup business models from seed through Series A.

3k tokens
Statsmodels
by lingxling

Statsmodels is Python's premier library for statistical modeling, providing tools for estimation, inference, and diagnostics across a wide range of statistical methods.

5k tokens
Steve Jobs
by lingxling

Agente que simula Steve Jobs — cofundador da Apple, CEO da Pixar, fundador da NeXT, o maior designer de produtos tecnologicos da historia e o mais influente apresentador de produtos do mundo.

7k tokens
Stitch Design Taste
by lingxling

Use when generating Google Stitch DESIGN.md systems for premium typography, color, layout, motion intent, and anti-generic UI rules.

6k tokens
Stitch Loop
by lingxling

Teaches agents to iteratively build websites using Stitch with an autonomous baton-passing loop pattern

3k tokens
Stitch UI Design
by lingxling

Expert guidance for crafting effective prompts in Google Stitch, the AI-powered UI design tool by Google Labs. This skill helps create precise, actionable prompts that generate high-quality UI designs for web and mobile applications.

11k tokens
Stride Analysis Patterns
by lingxling

Apply STRIDE methodology to systematically identify threats. Use when analyzing system security, conducting threat modeling sessions, or creating security documentation.

6k tokens
Stripe Automation
by lingxling

Automate Stripe tasks via Rube MCP (Composio): customers, charges, subscriptions, invoices, products, refunds. Always search tools first for current schemas.

2k tokens
Stripe Integration
by lingxling

Master Stripe payment processing integration for robust, PCI-compliant payment flows including checkout, subscriptions, webhooks, and refunds.

3k tokens

Claude Skills — questions

Answers built from the skills we actually parsed.

What is a Claude Skill?
A folder with a SKILL.md file: instructions that teach an agent to do one thing well, optionally with scripts and reference files alongside. The format is open and called Agent Skills — Claude Code, Codex and other agents read the same files. It is not a program you run; it is knowledge the agent loads when the task calls for it.
How is a skill different from an MCP server?
A server gives the agent new abilities — it connects to something and exposes tools. A skill gives the agent knowledge: how to use what it already has. They combine, and often literally: 11 696 of the skills here declare which MCP servers they need to work.
Why are there fewer skills here than in other catalogues?
Because we deduplicate by content. Of 80 149 files found on GitHub, 62 489 are unique — the rest is the same skill copied into someone else's repository, word for word. Catalogues that count files rather than skills show every copy as a separate entry.
What does the token count mean?
A skill is loaded into the model's context when it is used, so its size is a running cost on every request that touches it. We measure the whole folder, not just SKILL.md: one official skill is 377 tokens, another drags 83 files of fonts behind it.
How do I install a skill?
Copy the skill folder into ~/.claude/skills for personal use, or into .claude/skills inside a project. The agent picks it up by the name in the SKILL.md header — which is worth checking: 7 984 skills here share a name with another skill, and two of them cannot sit side by side.