The Capsulate Model Context Protocol server. Give Claude Desktop, Cursor, Windsurf, Antigravity — any MCP client — the ability to launch and drive isolated cloud sandboxes ("capsules").

Setup

Create an API key in the Capsulate dashboard: Settings → API & Keys.
Add the server to your MCP client config.

Claude Desktop / Cursor

{
  "mcpServers": {
    "capsulate": {
      "command": "npx",
      "args": ["-y", "@capsulate/mcp"],
      "env": {
        "CAPSULATE_API_KEY": "cap_live_…"
      }
    }
  }
}

For a self-hosted or non-default deployment, also set "CAPSULATE_BASE_URL": "https://api.your-domain".

Tools

Tool	What it does
`capsulate_launch`	Launch a capsule and wait until ready
`capsulate_list` / `capsulate_get`	Inspect capsules
`capsulate_destroy`	Tear a capsule down
`capsulate_exec`	Run a command (argv array)
`capsulate_run_code`	Run a python/node/bash snippet
`capsulate_write_file` / `capsulate_read_file`	File I/O
`capsulate_set_env`	Set environment variables
`capsulate_screenshot`	See a desktop capsule (returns an image)
`capsulate_click` / `capsulate_type` / `capsulate_key`	Computer-use
`capsulate_snapshot`	Snapshot a capsule
`capsulate_catalog`	Discover launchable templates & bundles