Whimsical Mcp Server

Name: Whimsical Mcp Server
Author: BrockReece

BrockReece · by BrockReece

MCP server for creating whimsical boards from an LLM context

44 1 tool GitHub npm

No known CVEs

No license

Maintained

Last commit 47d ago

Works with most clients

Transport: stdio, http

1 tool · ~71 tok

Grade A · 0.0% of 200K ctx

Edit this pageView history

Design Productivity

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "whimsical-mcp-server": {
      "args": [
        "-y",
        "BrockReece"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/whimsical-mcp-server)](https://mcppedia.org/s/whimsical-mcp-server)

Read me

What Whimsical Mcp Server does

Whimsical now has an official MCP server available here

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'BrockReece' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

83/100across 5 weighted dimensions

How we score →

0255075100

−17

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked BrockReece against OSV.dev.

Inventory

Tools (1)

Click any tool to inspect its schema.

~71 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Whimsical Mcp Server safe to use?: Whimsical Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install Whimsical Mcp Server?: Whimsical Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Whimsical Mcp Server do?: Whimsical Mcp Server provides 1 tool: create_diagram. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Whimsical Mcp Server?: Whimsical Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.
Is Whimsical Mcp Server actively maintained?: Whimsical Mcp Server is recently maintained — last commit was 47 days ago. It has 44 GitHub stars.

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MCP Security Weekly

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Installation

Installing via Smithery

To install Whimsical MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install BrockReece/whimsical-mcp-server --client claude

Manual Installation

# Clone the repository git clone https://github.com/BrockReece/whimsical-mcp-server.git # Install dependencies yarn install # Build the project yarn build

Integration with MCP Client

Update the MCP Client's config to point to this repository's dist folder eg:

{ "mcpServers": { "whimsical": { "command": "node", "args": [ "/path/to/this/repo/whimsical-mcp-server/dist/index.js" ] } } }

Frequently Asked Questions

Is Whimsical Mcp Server safe to use?

Whimsical Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install Whimsical Mcp Server?

Whimsical Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Whimsical Mcp Server do?

Whimsical Mcp Server provides 1 tool: create_diagram. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Whimsical Mcp Server?

Whimsical Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and http transport.

Is Whimsical Mcp Server actively maintained?

Whimsical Mcp Server is recently maintained — last commit was 47 days ago. It has 44 GitHub stars.

Whimsical MCP Server

Whimsical now has an official MCP server available here

A third-party Model Context Protocol (MCP) server that enables the creation of Whimsical diagrams agentically. This server integrates with Whimsical's API to generate diagrams from Mermaid markup.

Demo

Here's an example of a complex system architecture diagram created using this MCP server and Claude - it shows the Model Context Protocol (MCP) architecture itself:

Features

Create Whimsical diagrams using Mermaid markup generated by the MCP Client (Claude, Windsurf, etc.)
Returns both the Whimsical diagram URL and a base64 encoded image to allow the Client to iterate on it's original markup

Installation

Installing via Smithery

To install Whimsical MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install BrockReece/whimsical-mcp-server --client claude

Manual Installation

# Clone the repository
git clone https://github.com/BrockReece/whimsical-mcp-server.git

# Install dependencies
yarn install

# Build the project
yarn build

Integration with MCP Client

Update the MCP Client's config to point to this repository's dist folder eg:

    {
        "mcpServers": {
            "whimsical": {
                "command": "node",
                "args": [
                    "/path/to/this/repo/whimsical-mcp-server/dist/index.js"
                ]
            }
        }
    }

License

This project is licensed under the MIT License.