Needle is an AI-powered outbound sales automation platform that enables businesses to discover prospects, build lead lists, and execute personalized outreach campaigns through autonomous AI agents. The platform supports prospect discovery through LinkedIn, LinkedIn Sales Navigator, Instagram, and business location searches. Its AI-powered messaging capabilities generate personalized outreach based on prospect profiles, social media activity, previous conversations, and ideal customer profile criteria. Users can create multichannel campaigns across LinkedIn, Instagram, and email with automated sequences, follow-ups, and engagement tracking. Needle provides a Model Context Protocol (MCP) server and REST API that allow AI assistants such as Claude, ChatGPT, and Cursor to manage prospecting and outreach workflows. The platform also includes campaign analytics, account-level sending limits, suppression lists, approval workflows, and proactive AI agents for supporting sales.