DYNASTR AI · CHROME EXTENSION

Your league stays. Your decisions improve.

Connect your Sleeper, ESPN, or MFL league and ask Dynastr about your lineup, waiver options and trades. No league migration or commissioner signup required.

Start free

Install the extension, connect supported leagues when available, and view saved league data.

Create free AI account

Annual AI access

Add lineup, waiver and trade analysis grounded in your saved league data. One account for Dynastr AI; existing subscribers do not need another subscription.

Review the current annual price and renewal terms at secure checkout.

Sign up for AI

Already registered? Sign in to install or upgrade. Want to host your league instead? Create a Dynastr league account.

Beta installation requires desktop Chrome and a few manual steps. Chrome on iPhone and iPad cannot install this extension. ESPN data is synced from your browser; Sleeper and MFL use read-only provider APIs. AI requests use your saved league snapshot.