diagram — Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com.
excalidraw-use — Place existing images onto an Excalidraw whiteboard, turn a slide deck into clean per-slide images first.
mermaid-tools — Extracts Mermaid diagrams from markdown files and generates high-quality PNG images using bundled scripts.