Get Started

From zero to a synced prompt brain in 5 steps.

Set up Mark My Prompt once and every great prompt and AI answer flows into your personal, searchable library — automatically.

1
Step 01

Sign up for a Mark My Prompt account

Create your free account to get a personal prompt library that syncs across every browser and device. No credit card required.

Create your free account
2
Step 02

Generate an API key

In the app, open Settings → API Keys and click + New Key. This key is what links your browser extensions and editor plugins to your account.

Mark My Prompt API Keys page showing a newly generated key with a Copy button
Settings → API Keys · copy your key the moment it’s generated
Copy it immediately. For security, the full key is shown only once — you won’t be able to see it again after you leave the page.
3
Step 03

Download the plugin or add-on

Install Mark My Prompt wherever you work with AI. Pick your browser or editor below.

4
Step 04

Activate the plugin with your API key

Open the extension, paste the API key you generated in Step 2, and connect. The plugin is now linked to your account and ready to capture prompts.

Mark My Prompt extension activation screen with an API key field
Paste your API key to connect the extension to your account
5
Step 05

Start syncing & build your brain

Save your favorite prompts and AI-generated answers as you work across ChatGPT, Gemini, Claude, Cursor and more. Everything flows into your searchable, AI-enriched library — your second brain for prompts.

Mark My Prompt extension syncing saved prompts and answers into the library
Captured prompts and answers sync straight into your library

Ready to build your prompt brain?

It takes about a minute to set up. Start free — no credit card required.

Create your free account