Plain builds an AI-powered customer support platform designed for B2B teams. Its core product consolidates customer conversations from Slack, Microsoft Teams, Discord, email, and other channels into a single workspace, allowing support teams to manage communication at scale without fragmenting across multiple tools.
The platform includes several distinct components. Ari is an AI agent that handles routine and repetitive support tasks autonomously. Sidekick is an AI assistant that equips human agents with instant context and draft replies. Cursor Lookup connects support directly to codebases, enabling automatic product trend detection and surfacing insights to inform both support responses and broader product decisions.
Plain's technical scope spans conversational AI, workflow orchestration for customer conversations, integrations with major messaging platforms, and developer tooling integration. The platform is oriented toward teams that need to scale customer channels without adding operational complexity, and is used by hundreds of B2B teams across customer support and product functions.