
Model Agnostic Claude Tag
OpenTag - is an AI coworker that lives in your Slack and Teams. It has full context on your company, so it can answer questions, join calls, and take real work off your team's plate. OpenTag also keeps your company wiki and knowledge base up to date automatically, so your team's knowledge never goes stale or walks out the door. OpenTag is a Y Combinator company (Summer 2026). YC-listed status: Active.