2 people reported

All time, since Sep 14.

Agent panels can't use sidebar

“An extension-contributed agent panel (here, Claude Code) can only live in the primary sidebar, where it stacks underneath the Explorer.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/cursor/issues/2602/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Extension agent panels cannot dock in the secondary sidebar. Claude Code panel lands under the Explorer in the primary sidebar because the secondary sidebar is "reserved for Cursor's agent UI".

Is this your bug?

File my report
Where
Secondary sidebar
Error text
View containers cannot be contributed to the Secondary Side Bar in Cursor. It is reserved for Cursor's agent UI. Contribute to 'activitybar' or 'panel' instead.
Versions
3.20.10
Platforms
Windows
How bad
Breaks a normal workflow.

Original reports2, newest first

  1. Claude Code Extension can't run (Agent panel)#175213
  2. Extension agent panels cannot be docked in the secondary sidebar (reserved for Cursor Agent), leaving them stacked under the Explorer#171636

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