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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. 86 961 files from 2 125 authors, of which 68 678 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.

68 678
unique skills
out of 86 961 files found on GitHub
18 283
are copies
same content, someone else's repository
1 749
tokens, median
what a typical skill costs you in context
8 467
name collisions
two skills with one name cannot sit side by side

10 141–10 200 of 68 678

page 170 of 1 145
Azure Storage File Datalake Py
by microsoft
vendor

| Azure Data Lake Storage Gen2 SDK for Python. Use for hierarchical file systems, big data analytics, and file/directory operations.

2k tokens
Azure Storage File Share Py
by microsoft
vendor

|- Azure Storage File Share SDK for Python. Use for SMB file shares, directories, and file operations in the cloud.

1.8k tokens
Azure Storage Queue Py
by microsoft
vendor

| Azure Queue Storage SDK for Python. Use for reliable message queuing, task distribution, and asynchronous processing.

1.9k tokens
Fastapi Router Py
by microsoft
vendor

Create FastAPI routers with CRUD operations, authentication dependencies, and proper response models. Use when building REST API endpoints, creating new routes, implementing CRUD operations, or adding authenticated endpoints in FastAPI applications.

569 tokens scripts
M365 Agents Py
by microsoft
vendor

|

3.5k tokens
Pydantic Models Py
by microsoft
vendor

Create Pydantic models following the multi-model pattern with Base, Create, Update, Response, and InDB variants. Use when defining API request/response schemas, database models, or data validation in Python applications using Pydantic v2.

496 tokens scripts
Azure Cosmos Rust
by microsoft
vendor

| Azure Cosmos DB library for Rust (NoSQL API). Document CRUD, containers, and globally distributed data.

1.6k tokens
Azure Eventhub Rust
by microsoft
vendor

| Azure Event Hubs library for Rust. Send and receive events for streaming data ingestion and batch processing.

1.7k tokens
Azure Identity Rust
by microsoft
vendor

| Azure Identity library for Rust. Microsoft Entra ID authentication for all Azure SDK clients.

1.6k tokens
Azure Keyvault Certificates Rust
by microsoft
vendor

| Azure Key Vault Certificates library for Rust. Create, manage, and use X.509 certificates including self-signed and CA-issued.

2k tokens
Azure Keyvault Keys Rust
by microsoft
vendor

| Azure Key Vault Keys library for Rust. Create, manage, and use cryptographic keys including RSA, EC, and HSM-protected keys.

1.9k tokens
Azure Keyvault Secrets Rust
by microsoft
vendor

| Azure Key Vault Secrets library for Rust. Store and retrieve secrets, passwords, and API keys.

1.5k tokens
Azure Storage Blob Rust
by microsoft
vendor

| Azure Blob Storage library for Rust. Upload, download, and manage blobs and containers.

2.7k tokens
Azure Storage Queue Rust
by microsoft
vendor

| Azure Queue Storage library for Rust. Send, receive, and manage queue messages.

1.9k tokens
Applicationinsights Web Ts
by microsoft
vendor

Instrument browser/web apps with the Application Insights JavaScript SDK (@microsoft/applicationinsights-web). Use for Real User Monitoring (RUM) — page views, clicks, AJAX/fetch dependencies, exceptions, custom events, and browser-side GenAI agent traces correlated to backend OpenTelemetry traces. Covers SDK Loader Script and npm setup, framework extensions (React, React Native, Angular), Click Analytics, telemetry initializers, and OTel GenAI semantic conventions for agent/tool/model spans emitted from the browser.

5.2k tokens
Azure AI Contentsafety Ts
by microsoft
vendor

Analyze text and images for harmful content using Azure AI Content Safety (@azure-rest/ai-content-safety). Use when moderating user-generated content, detecting hate speech, violence, sexual content, or self-harm, or managing custom blocklists.

2.1k tokens
Azure AI Document Intelligence Ts
by microsoft
vendor

Extract text, tables, and structured data from documents using Azure Document Intelligence (@azure-rest/ai-document-intelligence). Use when processing invoices, receipts, IDs, forms, or building custom document models.

2.4k tokens
Azure AI Projects Ts
by microsoft
vendor

Build AI applications using Azure AI Projects SDK for JavaScript (@azure/ai-projects). Use when working with Foundry project clients, agents, connections, deployments, datasets, indexes, evaluations, or getting OpenAI clients.

1.9k tokens
Azure AI Translation Ts
by microsoft
vendor

Build translation applications using Azure Translation SDKs for JavaScript (@azure-rest/ai-translation-text, @azure-rest/ai-translation-document). Use when implementing text translation, transliteration, language detection, or batch document translation.

2k tokens
Azure AI Voicelive Ts
by microsoft
vendor

|

3.5k tokens
Azure Appconfiguration Ts
by microsoft
vendor

Build applications using Azure App Configuration SDK for JavaScript (@azure/app-configuration). Use when working with configuration settings, feature flags, Key Vault references, dynamic refresh, or centralized configuration management.

2.2k tokens
Azure Cosmos Ts
by microsoft
vendor

|

3k tokens
Azure Eventhub Ts
by microsoft
vendor

Build event streaming applications using Azure Event Hubs SDK for JavaScript (@azure/event-hubs). Use when implementing high-throughput event ingestion, real-time analytics, IoT telemetry, or event-driven architectures with partitioned consumers.

1.9k tokens
Azure Identity Ts
by microsoft
vendor

Authenticate to Azure services using Azure Identity library for JavaScript (@azure/identity). Use when configuring authentication with DefaultAzureCredential, managed identity, service principals, or interactive browser login.

2k tokens
Azure Keyvault Keys Ts
by microsoft
vendor

Manage cryptographic keys using Azure Key Vault Keys SDK for JavaScript (@azure/keyvault-keys). Use when creating, encrypting/decrypting, signing, or rotating keys.

1.7k tokens
Azure Keyvault Secrets Ts
by microsoft
vendor

Manage secrets using Azure Key Vault Secrets SDK for JavaScript (@azure/keyvault-secrets). Use when storing and retrieving application secrets or configuration values.

1.7k tokens
Azure Microsoft Playwright Testing Ts
by microsoft
vendor

Run Playwright tests at scale using Azure Playwright Workspaces (formerly Microsoft Playwright Testing). Use when scaling browser tests across cloud-hosted browsers, integrating with CI/CD pipelines, or publishing test results to the Azure portal.

2.2k tokens
Azure Monitor Opentelemetry Ts
by microsoft
vendor

Instrument applications with Azure Monitor and OpenTelemetry for JavaScript (@azure/monitor-opentelemetry). Use when adding distributed tracing, metrics, and logs to Node.js applications with Application Insights.

2.2k tokens
Azure Postgres Ts
by microsoft
vendor

|

3.3k tokens
Azure Search Documents Ts
by microsoft
vendor

Build search applications using Azure AI Search SDK for JavaScript (@azure/search-documents). Use when creating/managing indexes, implementing vector/hybrid search, semantic ranking, or building agentic retrieval with knowledge bases.

1.8k tokens
Azure Servicebus Ts
by microsoft
vendor

Build messaging applications using Azure Service Bus SDK for JavaScript (@azure/service-bus). Use when implementing queues, topics/subscriptions, message sessions, dead-letter handling, or enterprise messaging patterns.

1.8k tokens
Azure Storage Blob Ts
by microsoft
vendor

|

3.3k tokens
Azure Storage File Share Ts
by microsoft
vendor

|

3.2k tokens
Azure Storage Queue Ts
by microsoft
vendor

|

3.5k tokens
Azure Web Pubsub Ts
by microsoft
vendor

Build real-time messaging applications using Azure Web PubSub SDKs for JavaScript (@azure/web-pubsub, @azure/web-pubsub-client). Use when implementing WebSocket-based real-time features, pub/sub messaging, group chat, or live notifications.

2.1k tokens
Frontend UI Dark Ts
by microsoft
vendor

Build dark-themed React applications using Tailwind CSS with custom theming, glassmorphism effects, and Framer Motion animations. Use when creating dashboards, admin panels, or data-rich interfaces with a refined dark aesthetic.

3.7k tokens
M365 Agents Ts
by microsoft
vendor

|

1.7k tokens
React Flow Node Ts
by microsoft
vendor

Create React Flow node components with TypeScript types, handles, and Zustand integration. Use when building custom nodes for React Flow canvas, creating visual workflow editors, or implementing node-based UI components.

502 tokens scripts
Zustand Store Ts
by microsoft
vendor

Create Zustand stores with TypeScript, subscribeWithSelector middleware, and proper state/action separation. Use when building React state management, creating global stores, or implementing reactive state patterns with Zustand.

440 tokens scripts
Wiki Ado Convert
by microsoft
vendor

Converts VitePress/GFM wiki markdown to Azure DevOps Wiki-compatible format. Generates a Node.js build script that transforms Mermaid syntax, strips front matter, fixes links, and outputs ADO-compatible copies to dist/ado-wiki/.

2.3k tokens
Wiki Agents MD
by microsoft
vendor

Generates AGENTS.md files for repository folders — coding agent context files with build commands, testing instructions, code style, project structure, and boundaries. Only generates where AGENTS.md is missing.

3.2k tokens
Wiki Architect
by microsoft
vendor

Analyzes code repositories and generates hierarchical documentation structures with onboarding guides. Use when the user wants to create a wiki, generate documentation, map a codebase structure, or understand a project's architecture at a high level.

1k tokens
Wiki Changelog
by microsoft
vendor

Analyzes git commit history and generates structured changelogs categorized by change type. Use when the user asks about recent changes, wants a changelog, or needs to understand what changed in the repository.

456 tokens
Wiki Llms Txt
by microsoft
vendor

Generates llms.txt and llms-full.txt files for LLM-friendly project documentation following the llms.txt specification. Use when the user wants to create LLM-readable summaries, llms.txt files, or make their wiki accessible to language models.

1.3k tokens
Wiki Onboarding
by microsoft
vendor

Generates four audience-tailored onboarding guides in an onboarding/ folder — Contributor, Staff Engineer, Executive, and Product Manager. Use when the user wants onboarding documentation for a codebase.

3.4k tokens
Wiki Page Writer
by microsoft
vendor

Generates rich technical documentation pages with dark-mode Mermaid diagrams, source code citations, and first-principles depth. Use when writing documentation, generating wiki pages, creating technical deep-dives, or documenting specific components or systems.

1.5k tokens
Wiki QA
by microsoft
vendor

Answers questions about a code repository using source file analysis. Use when the user asks a question about how something works, wants to understand a component, or needs help navigating the codebase.

589 tokens
Wiki Researcher
by microsoft
vendor

Conducts multi-turn iterative deep research on specific topics within a codebase with zero tolerance for shallow analysis. Use when the user wants an in-depth investigation, needs to understand how something works across multiple files, or asks for comprehensive analysis of a specific system or pattern.

1.1k tokens
Wiki Vitepress
by microsoft
vendor

Packages generated wiki Markdown into a VitePress static site with dark theme, dark-mode Mermaid diagrams with click-to-zoom, and production build output. Use when the user wants to create a browsable website from generated wiki pages.

1.1k tokens
Teams App Developer
by microsoft
vendor

Builds, tests, and deploys Microsoft 365 apps and agents for Teams and Copilot. Includes sub-skills for project creation, local testing, cloud deployment, troubleshooting, and Slack-to-Teams migration. USE FOR: Teams agent, bot, tab, message extension, Declarative Agents, Custom Engine Agents, local testing, Agents Playground, Azure resource provision, remote deployment, Slack to Teams migration, cross-platform bot development, Block Kit to Adaptive Cards conversion. DO NOT USE FOR: general web development, non-bot/non-Teams projects.

1.9k tokens
UI Widget Developer
by microsoft
vendor

| Do NOT use this skill for general agent development (scaffolding, manifests, deployment) — use declarative-agent-developer instead. This skill is ONLY for MCP server + widget development.

5.8k tokens
Cloud Solution Architect
by microsoft
vendor

>- Transform the agent into a Cloud Solution Architect following Azure Architecture Center best practices. Use when designing cloud architectures, reviewing system designs, selecting architecture styles, applying cloud design patterns, making technology choices, or conducting Well-Architected Framework reviews.

4.4k tokens
Continual Learning
by microsoft
vendor

Guide for implementing continual learning in AI coding agents — hooks, memory scoping, reflection patterns. Use when setting up learning infrastructure for agents.

648 tokens
Copilot SDK
by microsoft
vendor

Build applications powered by GitHub Copilot using the Copilot SDK. Use when creating programmatic integrations with Copilot across Node.js/TypeScript, Python, Go, or .NET. Covers session management, custom tools, streaming, hooks, MCP servers, BYOK providers, session persistence, custom agents, skills, and deployment patterns. Requires GitHub Copilot CLI installed and a GitHub Copilot subscription (unless using BYOK).

7.1k tokens
Debugview
by microsoft
vendor

| Sysinternals DebugView CLI (DbgViewCli) for capturing and analyzing usermode and kernel-mode Windows debug output from the command line.

2.7k tokens scripts
Entra Agent ID
by microsoft
vendor

| Microsoft Entra Agent ID (preview) for creating OAuth2-capable AI agent identities via Microsoft Graph beta API. Covers Agent Identity Blueprints, BlueprintPrincipals, Agent Identities, required permissions, sponsors, and Workload Identity Federation. Includes Microsoft Entra SDK for AgentID (containerized sidecar) for polyglot agent authentication (Docker/Kubernetes), 3P agent integration, autonomous and interactive agent patterns.

2.4k tokens
Frontend Design Review
by microsoft
vendor

> Review and create distinctive, production-grade frontend interfaces with high design quality and design system compliance. UI code review, component reviews, responsive design checks, theme testing, and creating memorable UI. without UI, or non-frontend code.

1.5k tokens
Kql
by microsoft
vendor

KQL language expertise for writing correct, efficient Kusto Query Language queries. Covers syntax gotchas, join patterns, dynamic types, datetime pitfalls, regex patterns, serialization, memory management, result-size discipline, and advanced functions (geo, vector, graph). USE THIS SKILL whenever writing, debugging, or reviewing KQL queries — even simple ones — because the gotchas section prevents the most common errors that waste tool calls and cause expensive retry cascades. Trigger on: KQL, Kusto, ADX, Azure Data Explorer, Fabric Real-Time Intelligence, EventHouse, Log Analytics, log analysis, data exploration, time series, anomaly detection, summarize, where clause, join, extend, project, let statement, parse operator, extract function, any mention of pipe-forward query syntax.

4.8k tokens
MCP Builder
by microsoft
vendor

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP), Node/TypeScript (MCP SDK), or C#/.NET (Microsoft MCP SDK).

3k tokens scripts
Microsoft Docs
by microsoft
vendor

Understand Microsoft technologies by querying official documentation. Use whenever the user asks how something works, wants tutorials, needs configuration options, limits, quotas, or best practices for any Microsoft technology (Azure, .NET, M365, Windows, Power Platform, etc.)—even if they don't mention "docs." If the question is about understanding a concept rather than writing code, this is the right skill.

731 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: 13 478 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 86 961 files found on GitHub, 68 678 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 in stages. Its name and description stay in the model's context all the time; the body of SKILL.md is read when the skill is used; other files in the folder, such as references, scripts and fonts, are opened only when the skill asks for them. The number we show is SKILL.md, the part every use pays for. A big folder is not a big cost: one official skill ships 83 font files, and none of them ever enters the context.
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: 8 467 skills here share a name with another skill, and two of them cannot sit side by side.