[BUG] computer-use MCP crashes with registerEscape error

Resolved 💬 3 comments Opened Apr 2, 2026 by mich3333 Closed Apr 5, 2026

Preflight Checklist

  • [x] I have searched existing issues and this hasn't been reported yet
  • [x] This is a single bug report (please file separate reports for different bugs)
  • [x] I am using the latest version of Claude Code

What's Wrong?

Version: 2.1.90
Platform: macOS 25.0

Steps to reproduce:

  1. Open Claude Code Desktop
  2. computer-use MCP fails to initialize automatically

Expected: computer-use tools work
Actual: Internal crash — registerEscape undefined

What Should Happen?

computer-use MCP should initialize successfully and all its tools should be available

Error Messages/Logs

Cannot read properties of undefined (reading 'registerEscape')

Steps to Reproduce

  1. Open Claude Code Desktop
  2. computer-use MCP fails to initialize automatically on startup
  3. All computer-use tools are listed but non-functional

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

2.1.90

Claude Code Version

2.1.90

Platform

Other

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

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