Cast

Cast is a Swiss Army knife for interacting with Ethereum applications from the command line. You can make smart contract calls, send transactions, or retrieve any type of chain data - all from your command-line! The cast binary can be used both within and outside of a Foundry project.

Usage

One-off commands

Example

npx --yes @foundry-rs/cast@nightly block-number

More generally

npx --yes @foundry-rs/cast@<version|nightly> <command> [args...]

Install then use

locally to your project

npm add @foundry-rs/cast@nightly
npx cast <command> [args...]

globally

npm add --global @foundry-rs/cast@nightly
cast <command> [args...]

Also works with deno, bun, and pnpm:

deno run --quiet --allow-all npm:@foundry-rs/cast@nightly <command> [args...]

bun x @foundry-rs/cast@nightly <command> [args...]

pnpm dlx --silent @foundry-rs/cast@nightly <command> [args...]