otty / apps

All apps/Wasmer

Wasmer

wasmer

Runs as wasmer|macOS, Linux, Windows|wasmer.io

Open form in Otty otty.toml

Command form

ai-draft · 2 tasks · 10 fields

Run WebAssembly modules and packages.

Opens the form; the finished command lands at your prompt, unrun

Run in Otty

otty gui wasmer

`wasmer run`

Run a Wasm module or package

Run a .wasm/.wat file, URL or registry package. Environment variables, networking, journals and compiler backend options are left out.

Run a Wasm module or packageExample values, fixed in this page — nothing here reaches a terminal

Basic

File, URL or package*

string

Program arguments

string

TasksEach one presets the form for one job

Run a module

inputargs

Run with a mounted directory

inputvolumeargs

ParametersOnly these flags are editable in the form

File, URL or package

string · positional 0

Mount directory

Map a host directory into the module as [HOST_DIR:]GUEST_DIR.
string · repeatable

--volume

Initial working directory

string

--cwd

Function to invoke

string

--invoke

Entrypoint (webc packages)

string

--entrypoint

Forward host environment

boolean

--forward-host-env

Offline (local sources only)

boolean

--offline

Disable TTY bridge

boolean

--no-tty

Stack size (bytes)

integer

--stack-size

Program arguments

Passed to the program after the module.
string · positional 1 · repeatable

SourcesEvery flag above is checked against these

src

--stack-size Set the default stack size (default is 1048576) --entrypoint The entrypoint module for webc packages. --invoke The function to invoke. <INPUT> The file, URL, or package to run. [ARGS]... Command-line arguments passed to the package --volume [HOST_DIR:]GUEST_DIR Map a host directory to a different location for the Wasm module --cwd Set the…

helpmain 2026-10-27

github.com

Before it fills your prompt, Otty checks the installed wasmer against its version. A form that does not match your version is not offered.