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Wasmer

wasmer

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

Open form in Otty otty.toml

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Wasmer in your home directory Every rule on this page, by file

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· wasmer.toml Never synced

Only what the catalog names. A directory that syncs brings everything inside it except what is listed as excluded here.

apps/wasmer/otty.tomlThe file this page is generated from

id = "wasmer"

name = "Wasmer"

homepage = "https://wasmer.io/"

executables = ["wasmer"]

[dotfiles]

# Wasmer's own integration-test repository identifies ~/.wasmer/wasmer.toml as

# the CLI registry config. It contains the registry token; retain the config

# root for non-cache settings while classifying that file as a credential.

# https://github.com/wasmerio/wasmer-integration-tests (WASMER_TOKEN notes)

paths = ["~/.wasmer/"]

exclude = [

"~/.wasmer/cache/",

]

secret = ["~/.wasmer/wasmer.toml"]

[commands]

format = 1

label = "Wasmer"

description = "Run WebAssembly modules and packages."

quality = "ai-draft"

parser = { end_of_options = "--", interleave = "permute", long_equals = true, short_attached = true, short_bundles = false }

[[commands.subcommand]]

path = ["run"]

label = "Run a Wasm module or package"

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

[[commands.subcommand.source]]

id = "src"

kind = "help"

url = "https://github.com/wasmerio/wasmer/blob/main/lib/cli/src/commands/run/mod.rs"

revision = "main 2026-10-27"

evidence = """--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 module's initial CWD to this path

--forward-host-env Forward all host env variables to guest

--offline Resolve only from local sources, never the registry

--no-tty Disables the TTY bridge"""

[[commands.subcommand.field]]

id = "input"

label = "File, URL or package"

type = "string"

position = 0

min = 1

sources = ["src"]

[[commands.subcommand.field]]

id = "volume"

label = "Mount directory"

description = "Map a host directory into the module as [HOST_DIR:]GUEST_DIR."

type = "string"

option = ["--volume"]

multiple = true

sources = ["src"]

[[commands.subcommand.field]]

id = "cwd"

label = "Initial working directory"

type = "string"

option = ["--cwd"]

sources = ["src"]

[[commands.subcommand.field]]

id = "invoke"

label = "Function to invoke"

type = "string"

option = ["--invoke"]

sources = ["src"]

[[commands.subcommand.field]]

id = "entrypoint"

label = "Entrypoint (webc packages)"

type = "string"

option = ["--entrypoint"]

sources = ["src"]

[[commands.subcommand.field]]

id = "forward_host_env"

label = "Forward host environment"

type = "boolean"

option = ["--forward-host-env"]

sources = ["src"]

[[commands.subcommand.field]]

id = "offline"

label = "Offline (local sources only)"

type = "boolean"

option = ["--offline"]

sources = ["src"]

[[commands.subcommand.field]]

id = "no_tty"

label = "Disable TTY bridge"

type = "boolean"

option = ["--no-tty"]

sources = ["src"]

[[commands.subcommand.field]]

id = "stack_size"

label = "Stack size (bytes)"

type = "integer"

option = ["--stack-size"]

sources = ["src"]

[[commands.subcommand.field]]

id = "args"

label = "Program arguments"

description = "Passed to the program after the module."

type = "string"

position = 1

multiple = true

sources = ["src"]

[[commands.subcommand.task]]

id = "run"

label = "Run a module"

fields = ["input", "args"]

required = ["input"]

[[commands.subcommand.task]]

id = "run_mounted"

label = "Run with a mounted directory"

fields = ["input", "volume", "args"]

required = ["input", "volume"]

[[commands.subcommand.group]]

id = "basic"

label = "Basic"

fields = ["input", "args", "volume", "invoke"]

[[commands.subcommand.group]]

id = "advanced"

label = "Advanced"

fields = ["cwd", "entrypoint", "forward_host_env", "offline", "no_tty", "stack_size"]

Use it with your dotfile manager

Same data, in the shape your tool already reads

Opens Otty and adds this tool to what it syncs

Opens otty://sync/add/wasmer. Otty ships with this catalog, so the link only has to name the tool — nothing is downloaded.

Every one of these keeps the credential file out.