HasData DuckDuckGo vs One Search MCP

In-depth architectural comparison of the HasData DuckDuckGo and One Search MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose HasData DuckDuckGo when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore HasData DuckDuckGo Details

O

Choose One Search MCP when:

• You need dedicated capabilities in the Search & Data Extraction domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore One Search MCP Details

Feature & Specification Comparison

Specification	HasData DuckDuckGo Search & Data Extraction	O One Search MCP Search & Data Extraction
Summary	DuckDuckGo search as JSON. Ranked results, ads in their own array, 37 regions.	Web search, crawl, scrape & extract with agent-browser, SearXNG, Tavily, DuckDuckGo, Bing & more
Category & Scope	Search & Data Extraction	Search & Data Extraction

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "hasdata-duckduckgo": {
      "command": "npx",
      "args": [
        "-y",
        "@hasdata/duckduckgo-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "one-search-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "agent-browser"
      ]
    }
  }
}

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