mermaid-maker
v2Generate, validate, render, and export Mermaid diagrams (.mmd) — flowchart, sequence, class, ER, state, gantt, git graph, mindmap, C4, pie, journey. Three backends — beautiful-mermaid scripts for themed SVG/ASCII (15 themes) and batch, mmdc for PNG/SVG/PDF, and Kroki API for no-install PNG/SVG. USE THIS SKILL when the user mentions diagram, flowchart, sequence diagram, class diagram, ER diagram, state machine, architecture, visualize, git graph, render/beautify a mermaid diagram, apply a theme, ASCII diagram, batch diagrams, 画图, 架构图, 流程图, 时序图. PROACTIVELY USE when explaining ANY system with 3+ components, API flows, authentication sequences, class hierarchies, database schemas, or state machines. Text-based syntax with fully automatic layout.