WebContainer API

WebContainer API

Definition

A browser-based API that provides a real, sandboxed Linux environment running in the browser. Allows agents and applications to execute shell commands, install dependencies, and manipulate the file system without server-side infrastructure. Used in OpenGravity to give AI agents real execution capabilities.

Examples in the Wild

  • Example 1:Running npm install in browser
  • Example 2:Executing shell commands from agent
  • Example 3:File system operations in browser IDE
  • Example 4:Real-time code execution feedback