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Mermaid Validator

Verified Integration
Author: @andrewginns•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Python#Git#Filesystem#AI#GitHub#Node.js

Client Configuration

— Connect Mermaid Validator to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "mermaid-validator-1": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mermaid-validator-1"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Validates and optionally renders Mermaid diagrams using a Python Model Context Protocol (MCP) server.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Mermaid Validator

Mermaid Validator is a Python Model Context Protocol (MCP) server designed to validate Mermaid diagram syntax and optionally render them into PNG images. It simplifies the use of the Mermaid CLI for developers and AI systems.

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