d2-mcp

stdio

Create, validate, and render diagrams from D2 (Declarative Diagramming) code into SVG and PNG formats.

Install

npx @modelcontextprotocol/inspector

Compile D2 Code Validate D2 syntax and catch errors before rendering. Get immediate feedback on diagram structure and syntax. Accepts either direct code or file path to D2 file.
Render Diagrams Generate diagrams for visual feedback and refinement. Support PNG, SVG, and ASCII output formats. Accepts either direct code or file path to D2 file.
Fetch D2 Cheat Sheet Returns a Markdown reference covering shapes, styling, and transport usage.

★ 19 GitHub stars