What can you do with this server?

This MCP server validates Mermaid diagram syntax and checks grammar correctness. * **Validate Mermaid diagrams**: Check if text contains valid Mermaid diagram code using the `check` tool * **Error detection**: Returns detailed error messages when syntax issues are detected, or an empty string when the diagram is valid * **Multiple installation methods**: Supports npm, yarn, pnpm, bun, or deno * **Flexible deployment**: Available in both stdio (local) and HTTP/SSE (remote) configurations for integration with MCP clients like Cursor

Which integrations are available for this server?

Validates [Mermaid](/mcp/servers/integrations/mermaid) diagram syntax and provides comprehensive grammar checking capabilities for Mermaid diagrams.

Mermaid Grammer Inspector

mcp server npm version npm downloads license

A Model Context Protocol (MCP) server for validating Mermaid diagram syntax and providing comprehensive grammar checking capabilities

English | 简体中文

Usage

Install the package:

# npm npm installg @betterhyq/mermaid-grammer-inspector-mcp # yarn yarn addg @betterhyq/mermaid-grammer-inspector-mcp # pnpm pnpm addg @betterhyq/mermaid-grammer-inspector-mcp # bun bun installg @betterhyq/mermaid-grammer-inspector-mcp # deno deno installg npm:@betterhyq/mermaid-grammer-inspector-mcp

NPX Cursor Config

{ "mcpServers": { "mermaid-grammer-inspector": { "command": "npx", "type": "stdio", "transportType": "stdio", "args": [ "-y", "mermaid-grammer-inspector" ] } } }