Nexus FAQs

Question 1

What is Nexus and what does it do?

Accepted Answer

Nexus is a production-ready Model Context Protocol (MCP) server that integrates AI-powered web search directly into your development environment. It allows AI clients like Claude Desktop or Cursor to perform intelligent, real-time web searches with proper citations.

Question 2

Are there any costs associated with using Nexus?

Accepted Answer

While Nexus itself is an open-source tool, it utilizes the OpenRouter API for accessing AI models (like Perplexity Sonar), which incurs costs based on token usage. You will need to obtain and configure your own OpenRouter API key.

Question 3

Does Nexus provide source citations for its search results?

Accepted Answer

Yes, a core feature of Nexus is its ability to provide authoritative source citations and metadata alongside every search result. This ensures professional quality and allows developers to verify information and explore original contexts.

Question 4

How easy is it to set up and use Nexus?

Accepted Answer

Nexus offers zero-install simplicity. You can run it instantly with `npx` (requiring Node.js 16+ and an OpenRouter API key), with no build steps or complex configurations needed. It's designed to be ready in seconds for quick integration into MCP clients.

Question 5

What AI models does Nexus use for its web search capabilities?

Accepted Answer

Nexus leverages Perplexity Sonar models for its AI-powered web search. This ensures intelligent, current, and context-aware search results, providing developers with powerful insights directly within their workflow.

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