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VS Code

mermaid mcp app for VS Code

io.github.finfin/mermaid-mcp-app

MCP App that renders Mermaid diagrams as interactive UI in Claude, VS Code and other MCP clients

client:VS Code transport:stdio runtime:npm

Install mermaid mcp app in VS Code

.vscode/mcp.json 

{
  "servers": {
    "mermaid-mcp-app": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mermaid-mcp-app"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

mermaid mcp app in other clients

mermaid mcp app MCP server