peng-shawn/mermaid-mcp-server

An open-source service that generates image URLs for diagrams based on the provided Mermaid code.

Command line tool for the Mermaid library

AI Agent Skill to generate and render beautiful Mermaid diagrams as SVG or terminal ASCII — 15 themes, 6 diagram types, batch CLI, no browser.

Beautiful diagrams, made with your agent.

MCP Server to previewing mermaid diagrams with live reload

❤️ Generate mermaid diagram and chart with AI MCP dynamically.

Mermaid diagrams → terminal text, SVG, and structured JSON. CLI, Rust library, and WebAssembly.

A Plantuml Claude Skill that can generate images and help you create Plantuml digrams from source code. It can also extract plantuml diagrams from a markdown file and then generate each of those to images and create a new markdown file with image links to those diagrams.

Python-native Mermaid diagram converter – no browser, Node.js, or npm required. Renders diagrams to SVG/PNG/PDF using an embedded QuickJS engine and resvg, perfect for documentation automation and CI/CD pipelines.