Anthropic Launches Claude Tag: Persistent AI Agents That Live Inside Slack

Anthropic launched Claude Tag on June 23, 2026, replacing its existing Claude in Slack app with a persistent AI agent that functions as a shared team member inside Slack channels. Available in beta for Claude Enterprise and Team customers, Claude Tag allows any channel member to summon the agent by typing @Claude and delegate tasks, ask questions, or request analysis — with outputs visible to the entire channel rather than a single user. The agent runs on Claude Opus 4.8 and maintains persistent memory of channel context, past decisions, and ongoing work.

Claude Tag introduces several capabilities that differentiate it from earlier chatbot integrations. An ambient mode allows the agent to proactively surface relevant updates, flag stalled threads, and follow up on incomplete tasks without being explicitly prompted. Each Claude Tag instance is scoped to specific channels with identity isolation — a sales Claude won’t have access to engineering data or memories. The agent uses Anthropic’s Agent Proxy architecture for credential management and full audit logging. Anthropic reports that 65% of its own product team’s code is now created using an internal version of Claude Tag, with the company achieving a $965 billion valuation (above OpenAI’s $852 billion) following a $65 billion Series H round.

The launch positions Claude Tag as a direct competitor to Microsoft’s Copilot in Teams and Google’s Duet AI for Workspace, but with a fundamentally different architecture: Claude Tag is designed as an asynchronous, always-on teammate rather than a query-response bot. The multi-user, shared-context model represents a structural shift in how AI agents operate within enterprises — transforming collaboration platforms from communication tools into execution environments where humans and agents work side by side.

Why it matters: Claude Tag marks the first major deployment of a persistent, multiplayer AI agent inside enterprise collaboration software — moving AI from isolated chat boxes to shared team infrastructure, which could fundamentally reshape how knowledge work is organized and executed.