Official agent skills

Frontend Design

anthropics/skills

Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one.

Skill Creator

anthropics/skills

Create new skills, modify and improve existing skills, and measure skill performance.

Webapp Testing

anthropics/skills

Toolkit for interacting with and testing local web applications using Playwright.

MCP Builder

anthropics/skills

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools.

Canvas Design

anthropics/skills

Create beautiful visual art in .png and .pdf documents using design philosophy.

Web Artifacts Builder

anthropics/skills

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Brand Guidelines

anthropics/skills

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel.

Slack Gif Creator

anthropics/skills

Knowledge and utilities for creating animated GIFs optimized for Slack.

Claude API

anthropics/skills

Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.

Next Bundle Optimizer

vercel/next.js

Audit and reduce Next.js browser initial-load work.

Next Cache Components Adoption

vercel/next.js

Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces.

Next Cache Components Optimizer

vercel/next.js

Optimize the meaningful UI available immediately from a Next.js route on an initial load (hard navigation) or named client-side navigation (soft navigation).

Next Dev Loop

vercel/next.js

Verify Next.js runtime behavior after editing app code.

Next Partial Prefetching Adoption

vercel/next.js

Turn on Partial Prefetching in a Next.js app and work through the insights it surfaces.

Next Partial Prefetching Optimizer

vercel/next.js

Optimize what selected Next.js client navigations include before the click under Partial Prefetching.

Browser Use

browser-use/browser-use

Direct browser control via CDP for web interaction: automation, scraping, testing, screenshots, and site/app work.

Cloud

browser-use/browser-use

Documentation reference for using Browser Use Cloud — the hosted API and SDK for browser automation.

Open Source

browser-use/browser-use

Documentation reference for writing Python code using the browser-use open-source library.

QA

browser-use/browser-use

QA-test a website or web app and return a 1-5 quality score (5 = flawless, 1 = broken) with evidence.

X402

browser-use/browser-use

Set up Browser Use Cloud payments with x402 — pay per request from a crypto wallet (USDC on Base mainnet), no signup or API key.

Antigravity Support

google-gemini/gemini-cli

Use when the user asks questions, seeks help, or requests instructions related to installing, setting up, or migrating to Antigravity CLI.

Computer Use

stablyai/orca

Drives the GUI of a visible local app window through orca computer: accessibility tree, clicks, typing, menus, dialogs, and screenshots in native apps and external browser windows (Chrome, Edge…

Orca Emulator

stablyai/orca

iOS Simulator control from inside Orca, with the live device view in Orca's emulator pane.

Orca Emulator Android

stablyai/orca

Android device and emulator control from inside Orca over adb, with the live device view in Orca's emulator pane.

Orca Per Workspace Env

stablyai/orca

Set up, review, debug, or validate an Orca per-workspace environment recipe: the on-demand, disposable runtime (cloud sandbox, VM, SSH host, or local container) Orca creates fresh for each workspace.

Artifacts Builder

ComposioHQ/awesome-claude-skills

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui).

Slack Gif Creator

ComposioHQ/awesome-claude-skills

Toolkit for creating animated GIFs optimized for Slack, with validators for size constraints and composable animation primitives.

Analyzing Financial Statements

anthropics/claude-cookbooks

This skill calculates key financial ratios and metrics from financial statement data for investment analysis.

Applying Brand Guidelines

anthropics/claude-cookbooks

This skill applies consistent corporate branding and styling to all generated documents including colors, fonts, layouts, and messaging.

Creating Financial Models

anthropics/claude-cookbooks

This skill provides an advanced financial modeling suite with DCF analysis, sensitivity testing, Monte Carlo simulations, and scenario planning for investment decisions.

Agent Browser

vercel-labs/agent-browser

Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web…

Agentcore

vercel-labs/agent-browser

Run agent-browser on AWS Bedrock AgentCore cloud browsers.

Core

vercel-labs/agent-browser

Core agent-browser usage guide. Read this before running any agent-browser commands.

Derive Client

vercel-labs/agent-browser

Reverse-engineer a website's internal API by recording browser traffic into a HAR file, then generate a standalone client or CLI that calls the endpoints directly, with no browser needed after the…

Dogfood

vercel-labs/agent-browser

Systematically explore and test a web application to find bugs, UX issues, and other problems.

Protected Vercel Deployments

vercel-labs/agent-browser

Access and test Vercel deployments protected by Vercel Authentication, SSO, or Deployment Protection with agent-browser.

Slack

vercel-labs/agent-browser

Interact with Slack workspaces using browser automation.

GitHub Issues

github/awesome-copilot

Create, update, and manage GitHub issues using MCP tools.

Create Architectural Decision Record

github/awesome-copilot

Create an Architectural Decision Record (ADR) document for AI-optimized decision documentation.

Go MCP Server Generator

github/awesome-copilot

Generate a complete Go MCP server project with proper structure, dependencies, and implementation using the official github.com/modelcontextprotocol/go-sdk.

Openapi To Application Code

github/awesome-copilot

Generate a complete, production-ready application from an OpenAPI specification.

Refactor

github/awesome-copilot

Surgical code refactoring to improve maintainability without changing behavior.

Agent Owasp Compliance

github/awesome-copilot

Check any AI agent codebase against the OWASP Agentic Security Initiative (ASI) Top 10 risks.

Agentic Eval

github/awesome-copilot

Patterns and techniques for evaluating and improving AI agent outputs.

Build MCP App

anthropics/claude-plugins-official

This skill should be used when the user wants to build an "MCP app", add "interactive UI" or "widgets" to an MCP server, "render components in chat", build "MCP UI resources", make a tool that shows…

Build MCP Server

anthropics/claude-plugins-official

This skill should be used when the user asks to "build an MCP server", "create an MCP", "make an MCP integration", "wrap an API for Claude", "expose tools to Claude", "make an MCP app", or discusses…

Build Mcpb

anthropics/claude-plugins-official

This skill should be used when the user wants to "package an MCP server", "bundle an MCP", "make an MCPB", "ship a local MCP server", "distribute a local MCP", discusses ".mcpb files", mentions…

Claude Automation Recommender

anthropics/claude-plugins-official

Analyze a codebase and recommend Claude Code automations (hooks, subagents, skills, plugins, MCP servers).