mcp-duckduckgo-search

A Model Context Protocol (MCP) server for integrating DuckDuckGo search capabilities with LLMs. This server provides comprehensive web search functionality with support for various result types and filtering options.

Features

🔍 Comprehensive web search using DuckDuckGo's search engine
📊 Rich result types including:
- Knowledge graph information
- Organic search results
- News articles
- Video content
- Image results
- Related searches
🌍 Region-specific search support
🛡️ Configurable safe search levels
📅 Date-based filtering options
📄 Pagination support
💾 Built-in result caching
🔒 Safe search options (off, moderate, strict)

Configuration

This server requires configuration through your MCP client. Here are examples for different environments:

Cline Configuration

Add this to your Cline MCP settings:

{
	"mcpServers": {
		"mcp-duckduckgo-search": {
			"command": "npx",
			"args": ["-y", "mcp-duckduckgo-search"],
			"env": {
				"SERPAPI_KEY": "your-serpapi-api-key"
			}
		}
	}
}

Claude Desktop with WSL Configuration

For WSL environments, add this to your Claude Desktop configuration:

{
	"mcpServers": {
		"mcp-duckduckgo-search": {
			"command": "wsl.exe",
			"args": [
				"bash",
				"-c",
				"source ~/.nvm/nvm.sh && SERPAPI_KEY=your-serpapi-api-key /home/username/.nvm/versions/node/v20.12.1/bin/npx mcp-duckduckgo-search"
			]
		}
	}
}

Environment Variables

The server requires the following environment variable:

SERPAPI_KEY: Your SerpAPI key (required)

API

The server implements a single MCP tool with configurable parameters:

ddg_search

Perform web searches using the DuckDuckGo search engine.

Parameters:

query (string, required): Search query
region (string, optional): Region code (e.g., us-en, uk-en) (default: us-en)
safe_search (string, optional): Safe search level (off, moderate, strict) (default: moderate)
date_filter (string, optional): Filter results by date:
- 'd': past day
- 'w': past week
- 'm': past month
- 'y': past year
- Custom range: '2023-01-01..2023-12-31'
start (number, optional): Result offset for pagination
no_cache (boolean, optional): Bypass cache for fresh results (default: false)

Response includes:

Knowledge graph data when available
Organic search results
News articles
Video content
Image results
Related searches
Search metadata

Development

Setup

Clone the repository
Install dependencies:

pnpm install

Build the project:

pnpm build

Run in development mode:

pnpm dev

Publishing

The project uses changesets for version management. To publish:

Create a changeset:

pnpm changeset

Version the package:

pnpm changeset version

Publish to npm:

pnpm release

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License - see the LICENSE file for details.

Acknowledgments

Built on the Model Context Protocol
Powered by DuckDuckGo through SerpAPI

MCP DuckDuckGo Search Server

Integrations