SearxNG MCP Server

@Sacode

About SearxNG MCP Server

SearxNG MCP Server provides privacy-focused web search for AI assistants using SearxNG and the Model Context Protocol.

Config

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

{
  "mcpServers": {
    "searxng": {
      "command": "pipx",
      "args": [
        "run",
        "searxng-simple-mcp@latest"
      ],
      "env": {
        "SEARXNG_MCP_SEARXNG_URL": "https://your-instance.example.com"
      }
    }
  }
}

Tools

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Overview

What is SearxNG MCP Server?

A Model Context Protocol (MCP) server that provides privacy-respecting web search capabilities using SearxNG. It is designed for AI assistants like Claude to search the web without user tracking.

How to use SearxNG MCP Server?

Configure the server via environment variables (e.g., SEARXNG_MCP_SEARXNG_URL) and run it with pipx, uvx, Python, or Docker. Integration with Claude Desktop or other MCP-compliant clients is done by adding the server configuration to the client’s mcpServers settings.

Key features of SearxNG MCP Server

Privacy-focused web search through SearxNG
Simple API for LLM integration
Compatible with Claude Desktop and other MCP-compliant clients
Configurable search parameters (timeout, result count, language)
Clean, formatted search results optimized for LLMs
Supports both stdio and SSE transport protocols

Use cases of SearxNG MCP Server

AI assistants performing web searches without exposing user data
Privacy-conscious applications that require untracked web search
MCP-compatible chatbots needing real-time information retrieval
Self-hosted search infrastructure for LLM tools
Developers prototyping or testing web‑search features in MCP environments

FAQ from SearxNG MCP Server

What SearxNG instance does the server use by default?

The default is the public instance at https://paulgo.io/.

What transport protocols are supported and how do I choose?

The server supports stdio (default for CLI and direct MCP integration) and sse (for HTTP‑based clients). Set the TRANSPORT_PROTOCOL environment variable to sse to use SSE.

What are the prerequisites to run the server?

Python 3.10 or higher and a SearxNG instance (public or self‑hosted) are required.

Can I use a custom SearxNG instance?

Yes, by setting the SEARXNG_MCP_SEARXNG_URL environment variable to your instance’s URL.

Do I need to install the package permanently?

No. You can run it on the fly with pipx run searxng-simple-mcp or uvx run searxng-simple-mcp, or via Docker without permanent installation.

Frequently asked questions

What SearxNG instance does the server use by default?

The default is the public instance at `https://paulgo.io/`.

What transport protocols are supported and how do I choose?

The server supports `stdio` (default for CLI and direct MCP integration) and `sse` (for HTTP‑based clients). Set the `TRANSPORT_PROTOCOL` environment variable to `sse` to use SSE.

What are the prerequisites to run the server?

Python 3.10 or higher and a SearxNG instance (public or self‑hosted) are required.

Can I use a custom SearxNG instance?

Yes, by setting the `SEARXNG_MCP_SEARXNG_URL` environment variable to your instance’s URL.

Do I need to install the package permanently?

No. You can run it on the fly with `pipx run searxng-simple-mcp` or `uvx run searxng-simple-mcp`, or via Docker without permanent installation.

Comments

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