Claude Tag puts a shared @Claude inside Slack channels with memory and an org-level identity, and runs on Opus 4.8.
Anthropic says 65% of its product team’s code is now generated by the internal version, including most of Claude Tag itself.
It is beta-only for Enterprise and Team plans, and replaces the old Claude in Slack app on August 3, 2026.
Anthropic just moved Claude out of the private chat window and into the team channel. On June 23, it launched Claude Tag, a version of Claude that joins Slack as a shared teammate rather than a personal assistant.
How it works
You tag @Claude with a request, it breaks the task into stages, works through connected tools, and posts the result back in a Slack thread. There is one Claude per channel that everyone shares, so anyone can see what it is doing and pick up where a colleague left off.
It also builds memory from the channels it is in, so the team stops re-explaining the same context, and it works asynchronously while you focus on other things.
The agent identity shift
The biggest change is under the hood. Instead of acting under your personal credentials, Claude operates under its own agent identity, which Anthropic calls the access construct that makes multiplayer AI possible without a security mess.
Admins set up access, cap token spend per organization and per channel, and can view a log of everything Claude has done and who requested it.
Ambient mode
This is the part that feels new. If ambient behavior is switched on, Claude stops waiting to be tagged, flags relevant information from its channels and tools, and follows up on threads that have gone quiet. Anthropic’s Cat Wu described connecting it to her Gmail so it watches for important emails and pings her in Slack.
Why it matters
Anthropic is heading toward a likely IPO this year and is keen to court enterprise customers, and Claude Tag is built to deepen that lead. Andrej Karpathy called it a new paradigm for interacting with Claude, more inline with org-wide human activity. Worth noting that Karpathy is an Anthropic employee, so that is an insider view.
The honest part
This is a beta, and Slack-only at launch. TechCrunch framed it as a strategic play to capture organizational context, institutional knowledge, and enterprise workflows, which is another way of saying lock-in.
Metered billing means an always-on agent can run up costs if limits are set wrong, and critics flag that ambient mode currently has no human-approval step before actions execute. If you use the old Claude in Slack app, migration is not optional, so August 3 is the date for your calendar.
Read and watch more:
https://x.com/karpathy/status/2069547676849557725
https://www.youtube.com/watch?v=QHoD8GAgVAU
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