Frequently Asked Questions about Exa MCP Server

Q: What is the Exa MCP Server? A: The Exa MCP Server is a server that allows AI assistants like Claude to use the Exa AI Search API for web searches, providing real-time information in a safe and controlled way.

Q: What is MCP? A: MCP (Model Context Protocol) is an open protocol that standardizes how applications provide context to LLMs. It acts as a bridge, allowing AI models to access and interact with external data sources and tools.

Q: What are the prerequisites for installing the Exa MCP Server? A: You need an Exa API key, Node.js (v18 or higher), and Claude Desktop installed.

Q: How do I install the Exa MCP Server? A: You can install it using NPM (npm install -g exa-mcp-server) or via Smithery (npx -y @smithery/cli install exa --client claude).

Q: How do I configure Claude Desktop to recognize the Exa MCP Server? A: You need to modify the claude_desktop_config.json file in the Claude Desktop settings to include the Exa server configuration.

Q: Where can I find the claude_desktop_config.json file? A: On macOS, it’s located at ~/Library/Application Support/Claude/claude_desktop_config.json. On Windows, it’s at %APPDATA%Claudeclaude_desktop_config.json.

Q: How do I get an Exa API key? A: You can get an Exa API key from dashboard.exa.ai/api-keys.

Q: What tools are available in the Exa MCP Server? A: Available tools include web_search_exa, research_paper_search, company_research, crawling, competitor_finder, linkedin_search, wikipedia_search_exa, and github_search.

Q: How do I enable specific tools? A: You can enable specific tools by adding the --tools parameter to the Claude Desktop configuration, like this: --tools=web_search_exa,research_paper_search.

Q: What happens if I don’t specify any tools? A: If you don’t specify any tools, all available tools will be enabled by default.

Q: How do I restart Claude Desktop? A: Completely quit Claude Desktop (not just close the window) and then start it again.

Q: How can I verify that the Exa server is connected? A: Look for the 🔌 icon in the Claude Desktop interface.

Q: What should I do if the server is not found? A: Verify the npm link is correctly set up, check the Claude Desktop configuration syntax, and ensure Node.js is properly installed.

Q: What should I do if I have API key issues? A: Confirm your EXA_API_KEY is valid, check the EXA_API_KEY is correctly set in the Claude Desktop config, and verify there are no spaces or quotes around the API key.

Q: Where can I find Claude Desktop logs? A: On macOS, logs are located at ~/Library/Logs/Claude/mcp*.log. On Windows, they are at %APPDATA%Claudelogsmcp*.log.

Q: What is the minimum required version of Node.js? A: Node.js should be version 18 or higher.