Exec Command

Run shell commands inside a browser VM

Use exec_command to execute a command synchronously inside a browser VM. It returns decoded stdout, stderr, and the exit code. The command field is the executable; pass its arguments in args.

Parameters

Parameter	Description
session_id	Browser session ID. Required.
command	Executable to run (e.g., cat, ls, curl). Required.
args	Arguments to pass to the command.
cwd	Working directory (absolute path).
as_root	Run with root privileges.
timeout_sec	Max execution time in seconds.

Example

{
  "session_id": "browser_abc123",
  "command": "curl",
  "args": ["-I", "https://example.com"]
}