Free plugins

4 free plugins that make Claude Code check its own work

If you use Claude Code, you need these four plugins. All four are completely for free. Two are made by Anthropic and one by Microsoft. Here are the links, what each one does, and one prompt that installs all of them for you.

  1. 1

    Superpowers

    obra on GitHub · over 300,000 stars

    Before Claude builds anything, it asks you good questions and makes a plan. Then it checks its own work before it shows you anything.

    Then just say: build me a landing page for my bakery

    This one is a must have.

    Open Superpowers on GitHub
  2. 2

    Frontend Design

    Made by Anthropic

    Your website will stop looking like every other AI website. It pushes Claude to make real design choices for your brand.

    Then just say: redesign my homepage

    The same bakery website twice: a generic purple AI page on the left, a designed page on the right
    Before and after, from my reel. These are demo pages I made to show the difference.
    Open Frontend Design on GitHub
  3. 3

    Playwright

    Made by Microsoft

    It lets Claude open your website, take a screenshot of every section and test every button. If a button is broken, Claude finds it and fixes it.

    Then just say: test my website

    Needs Node. If you do not have it, ask Claude to install it.

    Claude testing a bakery website in a browser after the prompt "test my website"
    A real Playwright test on my demo site. It found a button that did nothing.
    Open Playwright on GitHub
  4. 4

    Claude Security

    Made by Anthropic

    It finds the holes in your code before hackers do, and writes them up in a report for you.

    Then just say: run a security scan

    Needs Python. Scans use your Claude plan.

    Open Claude Security on GitHub

One prompt to install all four

Copy this and paste it into Claude Code.

Prompt
Install these four Claude Code plugins for me, one by one. If Node or Python is missing, install that too. When you are done, tell me to restart Claude Code.

1. https://github.com/obra/superpowers
2. https://github.com/anthropics/claude-plugins-official/tree/main/plugins/frontend-design
3. https://github.com/microsoft/playwright-mcp
4. https://github.com/anthropics/claude-plugins-official/tree/main/plugins/claude-security

How to install them

  1. 1

    Open Claude Code

    In the Claude desktop app, switch to Code. Or open Claude Code in your terminal.

  2. 2

    Paste the prompt above

    It has all four links. Claude will install them one by one, and it will install Node or Python if you need them.

  3. 3

    Restart Claude Code

    Close it and open it again so it loads the new plugins.

  4. 4

    Try it

    Say "test my website" or "run a security scan" and watch what it does.

Questions people ask

Are these plugins really free?

Yes, all four are free. You need a Claude plan to use Claude Code itself, and security scans use your plan.

Do I need to know how to code?

No. You paste the links and talk to Claude in plain English. I do not write code myself.

What else do I need on my computer?

Playwright needs Node and Claude Security needs Python. If either is missing, just say "install it for me".

Where can I read more about Claude Code plugins?

Anthropic has a guide to finding and installing plugins in the Claude Code docs. Read the guide

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These plugins are made by their own creators: Superpowers by obra, Frontend Design and Claude Security by Anthropic, Playwright by Microsoft. All credit to them.

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