OpenRouter Web Search MCP Server
@ChristianSch
About OpenRouter Web Search MCP Server
An MCP server providing websearch using openrouter :online
Config
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Overview
What is OpenRouter Web Search MCP Server?
An MCP (Model Context Protocol) server that provides a search_web tool. The tool performs web searches using OpenRouter's online models to generate concise, up-to-date answers as plain text. It is designed for developers integrating web search capabilities into MCP-compatible applications such as Claude Desktop.
How to use OpenRouter Web Search MCP Server?
Install the server with go install, set the required OPENROUTER_API_KEY environment variable, and configure it as an MCP server in your client settings (e.g., the mcpServers JSON block in Claude Desktop). Once running, invoke the search_web tool by passing a search query string.
Key features of OpenRouter Web Search MCP Server
- Exposes an MCP-compatible server over stdio
- Provides a
search_webtool accepting a query string - Uses OpenRouter's online models for fact-based answers
- Returns answers as plain text
- Configurable model name via
MODEL_NAMEenvironment variable
Use cases of OpenRouter Web Search MCP Server
- Adding real-time web search to AI assistants (e.g., Claude Desktop)
- Obtaining up-to-date answers from online sources within MCP workflows
- Integrating OpenRouter’s online‑capable models into LLM tool chains
FAQ from OpenRouter Web Search MCP Server
What are the prerequisites?
Go 1.18+ and a valid OpenRouter API key.
Which environment variables are required?
OPENROUTER_API_KEY (required) and MODEL_NAME (optional; defaults to google/gemini-2.5-pro-exp-03-25:free:online).
How do I configure this server in Claude Desktop?
Add a JSON entry under mcpServers with the command openrouter-websearch-mcp and the environment variable OPENROUTER_API_KEY.
What does the search_web tool return?
It returns a plain‑text answer generated by the configured OpenRouter online model.
Is there a specific model that must be used?
The server expects a model that supports the :online suffix. The default model already supports this.
Frequently asked questions
What are the prerequisites?
Go 1.18+ and a valid OpenRouter API key.
Which environment variables are required?
`OPENROUTER_API_KEY` (required) and `MODEL_NAME` (optional; defaults to `google/gemini-2.5-pro-exp-03-25:free:online`).
How do I configure this server in Claude Desktop?
Add a JSON entry under `mcpServers` with the command `openrouter-websearch-mcp` and the environment variable `OPENROUTER_API_KEY`.
What does the `search_web` tool return?
It returns a plain‑text answer generated by the configured OpenRouter online model.
Is there a specific model that must be used?
The server expects a model that supports the `:online` suffix. The default model already supports this.
Basic information
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