Apollo Io

Apollo Io MCP is an open-source Model Context Protocol (MCP) server that integrates Apollo.io's B2B sales intelligence API with LLMs like Claude and ChatGPT. It enables users to search for prospects, enrich contacts, and discover company intelligence directly from chat-based AI interfaces using natural language. Ideal for sales, marketing, and research professionals who want deep access to Apollo’s 275M+ contact database and organizational intelligence—right from within existing AI chat tools.