Introducing ExcaliClaw: A Skill for OpenClaw to Generate Excalidraw Diagrams

This is a submission for the OpenClaw Writing Challenge I already use the Excalidraw Model Context Protocol (MCP) remote server in Claude and ChatGPT, but I was curious how it would work in OpenClaw. In Claude and ChatGPT, the MCP renders the diagram inline. I can iterate, see changes in real time, edit directly, and when I am happy, open it in Excalidraw. OpenClaw does not render the MCP's UI, so the challenge was getting my OpenClaw, McClaw to generate the scene and hand me back a shareable Ex