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What is the AI Coach Extension?

The Mindstone AI Coach Extension is a browser extension that brings Mindstone's prompt coaching directly into ChatGPT, Claude, Gemini, and Copilot — the AI tools you're already using at work.

When you're writing a prompt in one of these tools, the extension adds a small button next to the input box. Click it to get:

  • Instant feedback on the quality of your prompt
  • An improved version of your prompt, suggested by the coaching AI
  • Your prompt score — so you can track your skill level over time, just like in the Prompt Sandbox

How to Install

  1. Visit the Mindstone AI Coach on Chrome Web Store.
  2. Click Add to Chrome and confirm the installation.
  3. Log in with your Mindstone account when prompted.
  4. The Mindstone button will appear automatically when you're on ChatGPT, Claude, or Gemini.

Supported Platforms

The AI Coach Extension currently works on:

Privacy

The extension does not store your prompts or conversation content. It sends a temporary snapshot to Mindstone's API for coaching analysis only. Read the full privacy details here.