duckduckgo-search MCP Server

Name: duckduckgo-search MCP Server
Author: zhsama

@zhsama

Repository

About duckduckgo-search MCP Server

No overview available yet

Basic information

Config

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

{
  "mcpServers": {
    "duckduckgo-search": {
      "command": "npx",
      "args": [
        "-y",
        "duckduckgo-mcp-server"
      ]
    }
  }
}

Tools

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Overview

What is duckduckgo-search MCP Server?

A TypeScript-based Model Context Protocol (MCP) server that provides web search functionality through the DuckDuckGo API. It is designed for developers using AI assistants (e.g., Claude Desktop) who need to perform web searches via a standard tool interface.

How to use duckduckgo-search MCP Server?

Configure the server in Claude Desktop by adding the duckduckgo-search entry to the mcpServers object in claude_desktop_config.json. Use either the online command (npx -y duckduckgo-mcp-server) or the local build path. Once connected, the duckduckgo_search tool handles searches.

Key features of duckduckgo-search MCP Server

DuckDuckGo web search via the duckduckgo_search tool.
Required query parameter (max 400 characters).
Optional count (1–20 results, default 10) and safeSearch (strict/moderate/off, default moderate).
Returns formatted Markdown search results.
Rate limit of 1 request per second and 15,000 requests per month.
Built with TypeScript; supports development with auto-rebuild and MCP Inspector.

Use cases of duckduckgo-search MCP Server

Let an AI assistant fetch current web information on demand.
Integrate web search into agent workflows without a dedicated API key.
Retrieve search results in a structured, readable Markdown format.

FAQ from duckduckgo-search MCP Server

What parameters does the `duckduckgo_search` tool require?

The tool requires a query string (search term, up to 400 characters). You may optionally set count (integer 1–20, default 10) and safeSearch (one of strict, moderate, or off, default moderate).

What are the rate limits?

Maximum 1 request per second and 15,000 requests per month.

How do I install and prepare the server for development?

You need Node.js >= 18, pnpm >= 8.0.0, then run pnpm install and pnpm run build (or pnpm run watch for auto-rebuild). The MCP Inspector is available via pnpm run inspector.

How do I configure the server in Claude Desktop?

Edit the JSON config file (claude_desktop_config.json) on MacOS at ~/Library/Application Support/Claude/ or on Windows at %APPDATA%/Claude/. Add an entry for duckduckgo-search with either the npx command or the local built server path.

Does the server require any API key or external account?

No. The server uses the free DuckDuckGo API and does not require an API key or account registration.

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