Developer Builds MCP Server to Give AI Agents Real-Time User-Agent Parsing

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A developer has created the UserStack User-Agent Lookup MCP server to replace unreliable regex patterns and LLM guesswork when parsing User-Agent strings. The tool integrates with AI agents like Claude or Cursor, providing structured, real-time data on browser version, OS, device type, and bot status. Engineers handling production logs or security audits can use natural language queries to distinguish legitimate crawlers such as Googlebot from malicious scrapers without writing custom scripts. The server also helps diagnose browser-specific bugs by instantly breaking down raw User-Agent strings from error reports. Built on the Vinkius platform, it is designed for quick deployment using a simple connection token rather than complex authentication flows.

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