Claude Code System Prompts

Create a whiteboard artifact - a live sketch canvas for wireframe-fidelity diagrams (boxes, databases, decision diamonds, sticky notes, arrows, freehand, text, pasted images) where everyone with it open sees each other's strokes and cursors as they happen, the board shows whether this session is present, and you can draw on it live as well as answer a Send. Use when the user asks for a whiteboard, wants to sketch a design or diagram to talk through, wants to sketch with other people watching, or wants to see you draw in real time. Only for CREATING a new board; an existing one is read and answered through its published artifact.