MCP Kroki Server

Name: MCP Kroki Server
Author: tkoba1974

@tkoba1974

Repository

About MCP Kroki Server

MCP server to convert a diagram to picture using kroki.io

#mathgpt #math-solver #math-assistant

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-kroki": {
      "command": "npx",
      "args": [
        "-y",
        "@tkoba1974/mcp-kroki"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is MCP Kroki Server?

MCP Kroki Server is an MCP server that converts diagram markup (e.g., Mermaid, PlantUML) into SVG, PNG, PDF, or JPEG images using the Kroki.io API. It is designed for developers using MCP-compatible clients like Claude Desktop who need to generate and download diagrams programmatically.

How to use MCP Kroki Server?

Install via git clone and npm, or run with npx. Add the server to your MCP client configuration (e.g., Claude Desktop) and then call the generate_diagram_url or download_diagram tools with the diagram type and content. The server sends the diagram to Kroki.io for rendering.

Key features of MCP Kroki Server

Generate diagram URLs for embedding or sharing
Download diagrams as SVG, PNG, PDF, or JPEG files
Support for Mermaid, PlantUML, Graphviz, and more
Optional scale parameter for adjusting diagram size

Use cases of MCP Kroki Server

Render Mermaid diagrams directly in Claude Desktop conversations
Download diagrams for inclusion in documentation or reports
Integrate diagram generation into automated workflows or CI pipelines
Use multiple diagram formats from a single server tool

FAQ from MCP Kroki Server

What diagram types are supported?

Mermaid, PlantUML, Graphviz, and many other formats supported by Kroki.io.

What output formats are available?

SVG, PNG, PDF, JPEG. For URL generation, base64 is also an option.

How does the scale parameter work?

The scale parameter (default 1.0, minimum 0.1

Comments

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