Sprintbrain: AI Prompt Library and Text Expander

Store your best snippets and AI prompts in one shared library. Expand any of them into any text field on any website — with a single keystroke.

Sprintbrain turns your most-used text into keyboard shortcuts that work everywhere you type. Whether you’re sending quotes in Gmail, writing prompts in ChatGPT, or replying to guests on Airbnb, a short trigger expands into your polished, dynamic template in an instant. Your whole team shares the same library, so everyone uses the same approved wording — updated once and live everywhere.

Quick Start

Create your first snippet and expand it in any text field in under two minutes.

Install the Extension

Add SprintBrain to Chrome and link it to your dashboard account.

Snippets

Learn how to create, organize, and expand dynamic text templates.

Prompt Library

Build a searchable library of AI prompts with quality scoring and filters.

Team Collaboration

Share folders with your team and manage access with three permission levels.

Notion Sync

Connect a Notion database for two-way, automatic snippet synchronization.

What You Can Do With Sprintbrain

Expand Anywhere

Works in Gmail, Slack, Notion, ChatGPT, Claude, Zendesk, HubSpot, Airbnb, and any other website.

Dynamic Templates

Add fill-in fields, live formulas, date tokens, and conditional logic to any snippet.

Free Team Sharing

Share folders with your whole team or specific teammates — no per-seat pricing, ever.

AI Prompt Library

Store, score, filter, and expand AI prompts alongside your text templates.

Notion Sync

Edit in Notion, expand in Chrome. Changes sync automatically every five minutes.

Version History

Every snippet keeps a full revision history with side-by-side diffs and one-click restore.

Get Started in Three Steps

1. Install the Chrome extension

   Go to the Chrome Web Store and click Add to Chrome. It takes about 30 seconds.

2. Create a free account

   Open the extension popup and sign in at app.sprintbrain.com. Use a magic link or a six-digit code — no password required.

3. Create your first snippet and expand it

   In the dashboard, create a snippet and give it a short trigger like /hello. Open Gmail (or any text field), type /hello, and press Tab. Your template expands instantly.

Sprintbrain is free to use. Team sharing, the prompt library, and Notion sync are all included at no cost — no credit card required.