About Whimsical MCP Server
Whimsical MCP Server is an MCP server published by BrockReece in the AI category: mCP server for creating whimsical boards from an LLM context.
The repository has 46 stars and 11 forks, with the last commit 6 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.
Install
git clone https://github.com/BrockReece/whimsical-mcp-serverThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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Security checks
Static checks derived from the repository 5 days ago. Heuristics on the source, not an audit.
- ✓README presentThe repository ships documentation.
- !License declaredNo license file. Legally you have no right to use it in a product.
- !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
- ✓Dependencies pinnedA lockfile pins dependency versions.
- ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
- !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.
README
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.
README fetched from the repository 5 days ago. The original is authoritative.