[BUG] Formatting is messed up for MCPs with long names in a narrow terminal

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?

<img width="1328" height="940" alt="Image" src="https://github.com/user-attachments/assets/c97bb5b8-f741-43d8-a126-91b01f0f79bd" />

https://github.com/anthropics/claude-code/issues/4440

What Should Happen?

Use the full available width for the name

Error Messages/Logs

Steps to Reproduce

MCP with a long name and a narrow terminal

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

Latest

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_