Capsulate MCP server

Read from the package source without running it. The installed server may list more.

• capsulate_catalog

  List the operating systems / base templates and marketplace bundles you can launch.

• capsulate_click

  Click at pixel (x, y) in a desktop capsule. Pass screenshot:true to see the screen after the click.

• capsulate_destroywrite action

  Terminate a capsule and release its resources.

• capsulate_execwrite action

  Execute a command inside a capsule and return stdout, stderr, and the exit code. Provide the command as an argv array, e.g. ['ls','-la','/workspace'].

• capsulate_get

  Fetch a capsule's full details by id.

• capsulate_key

  Press a key or chord in a desktop capsule, e.g. ['ctrl','c'].

• capsulate_launch

  Launch a new isolated cloud sandbox (capsule) and (by default) wait until it is ready. Returns the capsule id and connection info. Use the returned sessionId for exec/files/etc.

• capsulate_list

  List the team's active capsules.

• capsulate_read_file

  Read a UTF-8 text file from inside a capsule.

• capsulate_run_codewrite action

  Run a snippet of code inside a capsule (python, node, or bash). Returns stdout/stderr/exit.

• capsulate_screenshot

  Capture a screenshot of a desktop capsule. Returns the image so you can see the screen.

• capsulate_set_env

  Set environment variables inside a running capsule.

• capsulate_snapshot

  Capture a snapshot of a capsule's current state (restorable later).

• capsulate_type

  Type text into the focused field of a desktop capsule.

• capsulate_write_filewrite action

  Write a UTF-8 text file inside a capsule.

• Code scan2 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenancelast push 7 days ago15/15
• Maintainer identityregistry namespace matches repository owner7/10

Capsulate: common questions

Is Capsulate MCP server safe?

Mostly: it is graded B (82/100). Read the Capsulate safety report

How do I install Capsulate?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Capsulate need an API key?

Yes. The registry entry asks for CAPSULATE_API_KEY.

Is Capsulate maintained?

The last commit was 8 days ago (2026-09-12). The latest release is v0.2.0.

What can I use instead of Capsulate?

Servers from other publishers that do the same job: SSH — policy-gated remote access MCP server, ProxmoxMCP-Plus MCP server and Token Optimizer MCP server. Compare all Capsulate alternatives.