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Mermaid Validator

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

Client Configuration

— Connect Mermaid Validator to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "mermaid-validator-2": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mermaid-validator-2"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Provides high-performance API and Model Context Protocol (MCP) server for robust validation of Mermaid diagrams with comprehensive security.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Mermaid Validator

It supports over 28 Mermaid diagram types, including Flowchart, Sequence, Class, State, ER, Gantt, and more. Validation is performed using real grammar parsing (Jison, ANTLR, Langium) for accuracy.

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