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Claude Skills & MCP Guide
Instruction sets that teach Claude your way of working, and servers that connect it to your tools. Picked by a developer, all free, all sourced.
Featured
Start with these
The five tools that make the biggest difference in day-to-day coding.
Superpowers
An open-source skill set that makes the assistant ask first, then plan and write tests.
Skill Creator
Writes, tests and improves your own skills.
Frontend Design
Designs interfaces with character instead of template look-alikes.
GitHub MCP
Hands repo, issue and PR work over to Claude.
Playwright MCP
Lets Claude drive a browser and test your UI.
Install
Add them to Claude Code in three steps
The short version: a skill teaches Claude how to do a job, an MCP server decides what it can access.
Add the official marketplace: in Claude Code, type /plugin marketplace add anthropics/skills.
Install a bundle: /plugin install document-skills@anthropic-agent-skills for the document skills, /plugin install example-skills@anthropic-agent-skills for the rest.
Use it: just say “use the PDF skill to extract the form fields from this file”. Most of the time Claude picks the right skill even if you don’t name it.
Official Anthropic skills
The building blocks behind every job.
17 skills Anthropic publishes on GitHub for documents, design, development and writing. Each card shows its category and source.
DOCX (Word)
DocsCreates, reads and edits Word documents; works with headings, tables of contents and templates.
XLSX (Excel)
DocsBuilds spreadsheets, writes formulas, cleans and restructures messy data.
PPTX (PowerPoint)
DocsBuilds presentations and reads or edits existing decks.
Reads, merges and splits PDFs, fills forms, extracts text and tables.
Frontend Design
DesignDistinctive, intentional interface design that doesn’t look like a stock template.
Canvas Design
DesignStatic visuals such as posters, exported as PNG and PDF.
Theme Factory
DesignApplies 10 ready-made color and font themes to slides, docs and pages.
Brand Guidelines
WritingApplies Anthropic’s brand colors and fonts; a good template for your own brand skill.
Internal Comms
WritingWrites status reports, team newsletters and other internal updates in your company’s format.
Doc Co-authoring
WritingCo-writes technical specs, proposals and decision docs step by step.
Web Artifacts Builder
DeveloperBuilds multi-component, stateful artifacts with React, Tailwind and shadcn/ui.
Webapp Testing
DeveloperTests a local web app with Playwright and collects screenshots and logs.
MCP Builder
DeveloperGuides you through writing your own MCP server to connect outside services to Claude.
Skill Creator
DeveloperCreates new skills, tests them and improves them by measuring performance.
Claude API
DeveloperA reference for models, tools and settings when building with the Claude API and SDKs.
Note: the DOCX, XLSX, PPTX and PDF skills are source-available but not open-source licensed; most of the others are Apache 2.0.
MCP servers
Connect Claude to your tools.
Official servers that are useful for developers. Only install from sources you trust; a server can reach as much as the permissions you give it.
GitHub MCP Server
GitHubRead repos, manage issues and PRs, automate workflows. Hosted version: api.githubcopilot.com/mcp/
Playwright MCP
BrowserDrives a browser through the page’s accessibility tree instead of screenshots. claude mcp add playwright npx @playwright/mcp@latest
Filesystem
ReferenceReads and writes files only in the folders you allow.
Fetch
ReferenceFetches a web page and turns it into text the model can read.
Sequential Thinking
ReferenceSolves problems step by step, revising earlier thoughts along the way.
Superpowers
CommunityPlan, write tests, don’t move on without a review. Install guide and free PDF.
Read the post
Frequently asked questions
What is a Claude skill?
A folder of instructions, templates and helper files that explains how to do a job. When Claude sees that your request fits a skill, it loads and uses it on its own.
Is it free?
Yes. Every skill and server on this page is free. Most skills in the Anthropic repo are Apache 2.0; the document skills are source-available but not open-source licensed.
What’s the difference between a skill and MCP?
A skill provides the “how to” knowledge; MCP connects Claude to tools such as GitHub, a browser or your file system. They work best together.
Can I build my own skill?
Yes. Skill Creator helps you build and test a new skill, and the template folder in the repo is a good starting point.
Is installing an MCP server safe?
A server can reach as much as the permissions you grant. Pick official servers or ones whose code you can review, and limit file access to the folders you need.
Checked against the GitHub repositories on November 14, 2026.
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