[BUG] /design-sync slash command not available in Claude Code v2.1.195

Status Open
Reported on v2.1.195
Maintainer reply None cached
Activity 5 comments · opened Jun 27, 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?

The /design-sync slash command is not available in my Claude Code installation. When I type /design-sync, it is not recognized as a valid command and does not appear in the slash command list (autocomplete). I'm running version 2.1.195. Based on the documentation and other references, I expected this command to be present, but it does not exist in my setup.

<img width="962" height="595" alt="Image" src="https://github.com/user-attachments/assets/c287471a-e3ff-4c2f-a760-e4ea776e96d9" />

<img width="1429" height="204" alt="Image" src="https://github.com/user-attachments/assets/ca01b402-9823-4e38-aad3-0d6817c3a3fe" />

What Should Happen?

The /design-sync command should be available and recognized when typed, and it should appear in the slash command autocomplete list so it can be run successfully.

Error Messages/Logs

Steps to Reproduce

  1. Open Claude Code (version 2.1.195).
  2. 2. At the prompt, type /design-sync.
  3. 3. Observe that the command is not recognized and does not appear in the slash command autocomplete list.

Expected: the /design-sync command is listed and runnable.
Actual: the command does not exist / is not available.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.195

Platform

Anthropic API

Operating System

Ubuntu/Debian Linux

Terminal/Shell

Warp

Additional Information

_No response_

View original on GitHub ↗

5 Comments

filippo-fonseca · 2 months ago

I second this issue!

chrnas01 · 2 months ago

I see /design-sync and not /design

wavesMeetU · 2 months ago

i too see this error

enricodeleo · 2 months ago

Same error in v2.1.196 MacOS. Solution was to remove CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC from env in claude settings.json

disusered · 1 month ago
Same error in v2.1.196 MacOS. Solution was to remove CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC from env in claude settings.json

Specifically it should be unset due to a faulty falsey conditional:

"CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": "",