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Install Snaps

To use Snaps, you must install MetaMask Flask.

You can then get started quickly using the Create Snap CLI.


  • Up-to-date Chromium or Firefox browser
  • Node.js version 16 or later
  • Yarn version 3

Install MetaMask Flask

MetaMask Flask is a canary distribution for developers that provides access to upcoming MetaMask features. Snaps is the first feature rolled out in the Flask environment.

Install Flask in a new browser profile, or disable any existing installed versions of MetaMask before installing Flask.


Running multiple instances of MetaMask in the same browser profile breaks dapp interactions.