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Excalidraw

Hand-drawn style diagrams, drawn and edited in the chat.

Install It is public, so there is nothing to sign in to.

What GBrain can do with Excalidraw

Excalidraw is a whiteboard for sketching diagrams that look hand-drawn. Connected to a workspace, GBrain can turn a thread into a picture, as in “draw the signup flow we agreed on in Tuesday’s call”, then hand it off to Excalidraw to keep editing.

The server needs no sign-in.

  • Draw hand-drawn style diagrams from a description
  • Edit a diagram full screen
  • Export a drawing to Excalidraw
  • Save and reopen a drawing from a checkpoint

From the command line

GBrain gives Excalidraw a command line too. From a terminal, a script or Claude Code, gbrainio tool help excalidraw lists its commands once it is connected.

Excalidraw from the command line

Install Excalidraw in a workspace

It is public, so there is nothing to sign in to. Then add it to a workspace, and anyone on the team can ask about it in plain words.