Slunk is a privacy-first macOS application designed to enhance your Slack experience by providing powerful local search and analytics capabilities. It actively monitors Slack messages using accessibility APIs, storing them in a local SQLite database with automatic deduplication and a 2-month retention policy. Integrated as an MCP server for tools like Claude Desktop, Slunk offers a suite of 8 natural language processing tools for semantic search, conversation context extraction, pattern discovery, and more, all while ensuring your data remains securely on your machine.