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# `mise exec`

- **Usage**: `mise exec [FLAGS] [TOOL@VERSION]… [-- COMMAND]…`
- **Aliases**: `x`
- **Source code**: [`src/cli/exec.rs`](https://github.com/jdx/mise/blob/main/src/cli/exec.rs)

Execute a command with tool(s) set

use this to avoid modifying the shell session or running ad-hoc commands with mise tools set.

Tools will be loaded from mise.toml, though they can be overridden with &lt;RUNTIME> args
Note that only the plugin specified will be overridden, so if a `mise.toml` file
includes "node 20" but you run `mise exec python@3.11`; it will still load node@20.

The "--" separates runtimes from the commands to pass along to the subprocess.

## Arguments

### `[TOOL@VERSION]…`

Tool(s) to start e.g.: node@20 python@3.10

### `[-- COMMAND]…`

Command string to execute (same as --command)

## Flags

### `-c --command <C>`

Command string to execute

### `-j --jobs <JOBS>`

Number of jobs to run in parallel
Values below 1 are treated as 1
[default: 4]

### `--allow-env… <VAR>`

Allow specific env var through (implies --deny-env for everything else)
Supports wildcards, e.g. --allow-env='MYAPP_*'

### `--allow-net… <HOST>`

Allow network to specific host (implies --deny-net for everything else)
macOS only in v1; on Linux falls back to allowing all network

### `--allow-read… <PATH>`

Allow reads from specific path (implies --deny-read for everything else)

### `--allow-write… <PATH>`

Allow writes to specific path (implies --deny-write for everything else)

### `--deny-all`

Block reads, writes, network, and env vars

### `--deny-env`

Block env var inheritance (only PATH, HOME, USER, SHELL, TERM, LANG pass through)

### `--deny-net`

Block all network access

### `--deny-read`

Block filesystem reads (system libs and tool dirs still accessible)

### `--deny-write`

Block all filesystem writes

### `--fresh-env`

Bypass the environment cache and recompute the environment

### `--no-deps`

Skip automatic dependency preparation

### `--raw`

Connect backend install command stdin/stdout/stderr directly to the terminal Implies --jobs=1

Examples:

```
$ mise exec node@20 -- node ./app.js  # launch app.js using node-20.x
$ mise x node@20 -- node ./app.js     # shorter alias

# Specify command as a string:
$ mise exec node@20 python@3.11 --command "node -v && python -V"

# Run a command in a different directory:
$ mise x -C /path/to/project node@20 -- node ./app.js
```
