Extend the functionality
of MetaMask

The most popular wallet is now an extensible platform for permissionless innovation. Bring your features and APIs to MetaMask with MetaMask Snaps.

Snaps Security Agoric BlackSnaps Security Agoric Black

Security comes first

Snaps execute in a sandboxed environment based on Hardened JavaScript by Agoric. MetaMask Snaps uses a permissions model for protecting user data and respecting user consent. Learn more.

Snaps Security Fox

Developer preview software

MetaMask Snaps is pre-release software. To try Snaps, install MetaMask Flask, a canary distribution for developers that provides access to upcoming features.