Needle is an AI-powered sales prospecting and outbound automation platform designed to help revenue teams identify potential customers and manage personalized outreach campaigns. The software combines lead discovery, prospect research, AI-generated messaging, and multichannel campaign execution within a unified workspace. Its prospecting tools allow users to search LinkedIn profiles, companies, posts, and business locations to identify leads matching their ideal customer profiles. AI-powered personalization uses prospect information, recent social media activity, engagement signals, and conversation history to generate relevant outreach messages. The platform supports automated outreach sequences across LinkedIn, Instagram, and email using connected sending accounts. Needle's Model Context Protocol server enables compatible AI assistants, including Claude, ChatGPT, Codex, and Cursor, to create lead lists, launch campaigns, and manage outreach using natural language instructions. Its REST API and webhooks provide programmatic access to prospect records, campaign activity, connected accounts, and engagement events. Campaign management features include automated follow-ups, message previews, suppression lists, daily sending limits, and account warm-up controls. Needle also provides proactive AI agents that operate through workplace communication tools and assist with deal research, follow-up recommendations, CRM activities, and revenue workflow automation.