Wikimedia Image Search

This MCP (Model Context Protocol) server enables AI assistants to search for images on Wikimedia Commons. It provides detailed metadata and optional thumbnail composites to help AI models visually compare results.

Overview

This server is designed to give AI assistants "eyes" when searching for visual content. Instead of guessing based on filenames or text descriptions alone, the AI can retrieve a structured list of image metadata and a composite image containing thumbnails of the search results.

This capability is particularly useful when an AI assistant needs to:

• Find suitable images for creating websites, articles, or presentations.
• Select images for educational materials or books.
• Verify the visual content of an image before recommending it.
• Compare multiple images to choose the most relevant one for a specific context.

By providing both metadata (license, author, description, dimensions) and a visual preview, the AI can make informed decisions about which images to use or download.

Setup

Prerequisites

• Node.js: Version 18 or higher.
• MCP Client: A compatible client such as VS Code, Cursor, Claude Code, Windsurf, Cline, Claude Desktop...

Installation

To use this server, configure your MCP client to run it using npx.

{
  "mcpServers": {
    "wikimedia-image-search": {
      "command": "npx",
      "args": [
        "-y",
        "wikimedia-image-search-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "wikimedia-image-search": {
      "command": "npx",
      "args": [
        "-y",
        "wikimedia-image-search-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "wikimedia-image-search": {
      "command": "npx",
      "args": [
        "-y",
        "wikimedia-image-search-mcp"
      ]
    }
  }
}

claude mcp add wikimedia-image-search -- npx -y wikimedia-image-search-mcp

Tool Usage

This server exposes a single tool: wikimedia_search_images.

Tool Schema

The tool accepts the following parameters:

• query (string, required): The search terms (e.g., "sunset ocean", "eiffel tower").
• limit (number, optional): Maximum number of results to return (default: 9, max: 50).
• offset (number, optional): Number of results to skip for pagination.
• license (string, optional): Filter by license. Options: "all" (default) or "no_restrictions" (CC0/Public Domain).
• include_thumbnails (boolean, optional): Whether to generate and return a composite image of thumbnails (default: true).

How It Works

1. Fetching: The tool queries the Wikimedia Commons API using the provided search terms and filters. It retrieves raw JSON data containing image URLs, metadata, and license information.
2. Processing: The raw JSON response is parsed and transformed into a clean, structured list of ImageMetadata objects.
3. Formatting:
   • Text: The metadata list is converted into a YAML-formatted string. This provides the AI with a readable, structured text overview of the results (including file size, dimensions, author, and license).
   • Visual: If include_thumbnails is true, the tool downloads the thumbnail for each result. It then uses the sharp library to composite these thumbnails into a single grid image, with index numbers overlaid on each image.
4. Response: The tool returns a multi-content message containing the YAML text and the composite image (MIME type image/jpeg).

You can view examples of the output files in the test-output/ directory:

• wikimediaSearchResults.json: The raw JSON response from the Wikimedia API.
• formattedSearchResults.txt: The YAML-formatted text response.
• thumbnailComposite.jpeg: The generated visual grid of search results.

Demonstration

Development

To contribute to this project or run it locally from source:

1. Clone the repository:

   git clone https://github.com/yanexr/wikimedia-image-search-mcp.git
   cd wikimedia-image-search-mcp
   

2. Install dependencies:

   npm install
   # or
   pnpm install
   

3. Build the project:

   npm run build
   # or
   pnpm run build
   

4. Local Configuration: To test the server locally with an MCP client, point the configuration to your built file.

   {
     "mcpServers": {
       "wikimedia-local": {
         "command": "node",
         "args": [
           "C:/path/to/wikimedia-image-search-mcp/dist/index.js"
         ]
       }
     }
   }
   

5. Testing and Debugging: You can use the MCP Inspector to test the server interactively:

   npm run inspect
   # or
   pnpm run inspect