Better copy, one click at a time

AI-powered copy alternatives for your marketing site. Select any text, see better options, apply instantly.

npm install hemingway-ai

How it works

  1. Select text

    Click any heading, paragraph, or button on your dev site.

  2. See alternatives

    Get three Claude-powered rewrites tailored to your page context.

  3. Apply instantly

    One click updates your source files. No copy-paste needed.

Features

Local-first
Runs on localhost. Your copy never leaves your machine.
Framework-agnostic
One script tag works with React, Vue, Astro, or plain HTML.
Writes to source
Changes go back to your actual source files, not just the DOM.
Learns your style
Tracks which alternatives you pick and adapts future suggestions.
Claude-powered
Uses Anthropic's Claude for copy that actually sounds good.
Zero dependencies
No runtime deps. Just Node.js and your browser.

Quick start

# Install
npm install hemingway-ai

# Run the server
npx hemingway-ai

# Add to your site
<script src="http://localhost:4800/client.js"></script>

# Press Cmd+Shift+C to activate

Full install guide →