Nano Banana - Kroki Diagram Rendering

Overview

Render text-based diagrams to PNG, SVG, PDF, or JPEG using Kroki.io. Supports 27 diagram languages including Mermaid, PlantUML, GraphViz, D2, Excalidraw, and more.

Key Features:

• 27 diagram languages in one tool
• PNG, SVG, PDF, JPEG output
• Zero dependencies (Python stdlib only)
• Free, open-source rendering service
• Reads from file, inline text, or stdin

When to Use This Skill

Use this skill only when the user explicitly asks for: