SearXNG MCP Server

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Basic information

About SearXNG MCP Server

SearXNG MCP Server

#search #searxng #self-hosted

SearXNG MCP Server config

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

{
  "mcpServers": {
    "searxng": {
      "type": "http",
      "url": "http://localhost:32123/mcp"
    }
  }
}

SearXNG MCP Server tools

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Overview

What is SearXNG MCP?

SearXNG MCP is a Docker‑based MCP (Model Context Protocol) server that wraps SearXNG, a privacy‑focused metasearch engine. It gives LLM clients access to aggregated search results from over 130 engines via tools such as searxng_search and searxng_get_info.

How to use SearXNG MCP?

Run both SearXNG and the MCP server together using the provided Docker Compose file. Configure your MCP client with an HTTP transport pointing to http://localhost:32123/mcp. The server exposes two tools: searxng_search for querying and searxng_get_info for dynamically discovering enabled categories and engines.

Key features of SearXNG MCP

Uses the searxng_search tool with category filtering (general, images, videos, news, map, IT, science, files, social media).
Queries over 130 engines, including Google, Brave, Wikipedia, GitHub, Reddit, and more.
Supports advanced search parameters: categories, engines, language, pageno, time_range, and safesearch.
Provides a searxng_get_info tool for programmatic discovery of available categories and engines.
Runs via Docker Compose with simple environment variable configuration.

Use cases of SearXNG MCP

Retrieve web, image, video, news, or map results for a given query.
Narrow searches to specific domains (e.g., IT or science) or engines.
Filter results by time range (day, month, year) and language.
Control safe search strictness (0=None, 1=Moderate, 2=Strict).
Let the LLM dynamically learn which search categories and engines are enabled.

Frequently asked questions

What is SearXNG?

SearXNG is a privacy‑focused metasearch engine that aggregates results from over 130 search engines without tracking users.

How do I configure the MCP transport?

Set the environment variables `MCP_TRANSPORT=http`, `MCP_HOST=0.0.0.0`, and `MCP_PORT=32123`. The client then connects via HTTP at the URL `http://localhost:32123/mcp`.

What tools does the server expose?

It exposes two tools: `searxng_search` for performing searches and `searxng_get_info` for retrieving the list of currently enabled categories and engines.

What parameters are available in `searxng_search`?

The tool supports `categories` (comma‑separated), `engines`, `language`, `pageno`, `time_range` (`day`, `month`, `year`), and `safesearch` (0–2).

Does the server require its own SearXNG instance?

Yes. The MCP server depends on a running SearXNG instance, which it connects to via the `SEARXNG_URL` environment variable.

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