Error: Type mismatch for write_note.tags: expected undefined, got array

[errogaht]

Bug Description

Cursor wants to call write_note and sets ["tags", "like", "that"]
but MCP returns error:

"Error: Type mismatch for write_note.tags: expected undefined, got array
at gjt.f (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:954:9556)
at gjt.setup (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:954:11198)
at async _jt.setupTool (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:966:5774)
at async _jt.toolWrappedStream (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:966:6742)
at async Fx (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:598:9257)
at async Hh.handleStreamComposer (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:927:2051)
at async Y8t.streamResponse (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:598:19240)
at async Vsi. (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:2977:983)
at async Wsi. (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:2936:2413)
at async T2.processCodeBlocks (vscode-file://vscode-app/tmp/.mount_cursorgxM1Jb/usr/share/cursor/resources/app/out/vs/workbench/workbench.desktop.main.js:953:2715)"

Invalid type for parameter 'tags' in tool write_note", modelMessage: "Parameter 'tags' must be of type undefined, got array", actualError: 'Type mismatch for write_note.tags: expected undefined, got array

So this is what prepared to send to "write_note"
"{"title":"Title","folder":"folder","content":"CONTENT","tags":["hipporag","search","fallback","symfony","error-handling"]}"

Environment

• Ubuntu 24
• Installation method: [e.g. pip, uv, source]
• Claude Desktop version (if applicable):

Additional Context

• Configuration files (if relevant)
• Logs or screenshots
• Any special configuration or environment variables

Possible Solution

If you have any ideas on what might be causing the issue or how to fix it, please share them here.

[phernandez]

Hi @errogaht, FYI. I just released a fix for this issue.

https://github.com/basicmachines-co/basic-memory/releases/tag/v0.10.1

you can upgrade via:

uv tool upgrade basic-memory 

Then restart Claude Desktop.

Thanks for checking out Basic Memory!