[Bug] /mcp command produces no dialog or output

Bug Description
WHen I do /mcp, no dialog is shown. I've tried updating Claude Code, restarting my laptop, restarting the IDE, and tried it in terminal itself with the same result. I can't reauthenticate anything

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.122
• Feedback ID: 09319eb2-7847-4bc6-9e33-53e905c72b0d

Errors

[{"error":"Error: 1: Command failed with ERR_STREAM_PREMATURE_CLOSE: code --force --install-extension anthropic.claude-code\nPremature close \n    at HQ1 (/$bunfs/root/src/entrypoints/cli.js:1717:4046)\n    at async tc1 (/$bunfs/root/src/entrypoints/cli.js:1717:1435)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T14:00:32.937Z"}]