Kroki diagram to SVG
Render a text diagram (Mermaid, PlantUML, C4, Graphviz DOT, D2, BPMN, DBML, Vega-Lite, WaveDrom, Excalidraw and more) to SVG on the free kroki.io service. Needs diagram type and source.
Inputs
- Diagram type
- Diagram language, e.g. 'mermaid'Required · diagram_type
- Source
- Diagram source text, e.g. 'graph TD; Lead --> Customer;'Required · source
Pricing
- Price
- Free, no charge per call
- Billing
- No charge per call. A workspace is still needed so your agent can call it.
- License
- Kroki is MIT-licensed open source, offered as a free service at kroki.io
Call
Your agent reads the schema and the price with inspect_tool before it runs the tool.
- MCP call
- cURL command
- TypeScript
- Tool ID
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