Whimsical MCP Server

Name: Whimsical MCP Server
Author: BrockReece

@BrockReece

Repository

About Whimsical MCP Server

MCP server for creating whimsical boards from an LLM context

Basic information

Config

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

{
  "mcpServers": {
    "whimsical-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "BrockReece/whimsical-mcp-server",
        "--client",
        "claude"
      ]
    }
  }
}

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 Whimsical MCP Server?

A third-party Model Context Protocol (MCP) server that lets you create Whimsical diagrams agentically by integrating with Whimsical’s API. It accepts Mermaid markup generated by an MCP client (e.g., Claude, Windsurf) and returns both a Whimsical diagram URL and a base64‑encoded image so the client can iterate on the original markup.

How to use Whimsical MCP Server?

Install automatically via Smithery (npx -y @smithery/cli install BrockReece/whimsical-mcp-server --client claude) or manually by cloning the repository, installing dependencies (yarn install), and building (yarn build). Then add a mcpServers entry to your MCP client’s configuration pointing to the built dist/index.js file.

Key features of Whimsical MCP Server

Creates Whimsical diagrams from Mermaid markup.
Returns both a Whimsical diagram URL and a base64‑encoded image.
Designed to work with MCP clients like Claude and Windsurf.

Use cases of Whimsical MCP Server

Generating system architecture diagrams from Mermaid markup via an MCP client.
Iteratively refining diagrams by inspecting returned images and URLs.
Automating diagram creation as part of an agentic workflow.

FAQ from Whimsical MCP Server

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