I use Slack daily. The Claude Tag feature actually seems very useful to me, a feature I would even use. "We start with Slack, where Claude can join as a team member. Give Claude access to selected channels, and
LLMS
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The Art of Loop Engineering with Deep Agents
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The art of loop engineering, powered by Deep Agents! https://langchain.com/blog/the-art-of-loop-engineering …
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Scaling compute on context to study Moby Dick and Fed livestreams
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Joe you might not want to hear this but as we speak I'm scaling compute on your context. the model is studying Moby Dick, it's developing new theories of orality, it's watching Fed livestreams.
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Claude in a channel instance with sandbox for coding and testing
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Tag Claude in a channel, it launches an instance with its own sandbox. It clones repositories, writes code, tests, compiles everything in this isolated environment and the sandbox is deleted when finished. One instance per thread, its own memory and its
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Daily use of Claude for various professional tasks
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I mention Claude several times a day to write PRs, respond to user feedback, investigate incidents, perform data analysis, summarize information, etc. Use it as a search engine for your company. "What is the status
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Claude’s Safety: Training, Classifiers, Web Access
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We have worked hard to make it secure at every level. 1/ At the model training stage, 2/ the classifiers on top of our models and things like automatic mode, 3/ we protect what Claude has access to (the websites it can browse and it
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Claude Tag: proactivity, memory and user data access
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Claude is truly proactive with Claude Tag. You don't need to prompt it to perform tasks, it can work proactively based on your instructions. It has excellent memory and access to your data, which allows it to act differently.
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Claude Everywhere: Claude Code under the hood, 65% code by internal Tag
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This is the beginning of Claude Everywhere. It's Claude Code under the hood, so it is just as powerful for writing code. 65% of the new code from our product team is created by our internal version of Claude Tag.
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Launch of Claude Tag, a proactive multiplayer Slack bot
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We're launching Claude Tag today. Tag Claude into Slack and it works in channel with you. It’s proactive, multiplayer, with its own identity and memory.
— Boris Cherny (@bcherny) 23 juin 2026
But it’s not just a bot in Slack. Over the last few months, it’s totally changed how we use Claude https://t.co/6mimSRmk0yWe are launching Claude Tag today. Mention Claude in Slack and it works in the channel with you. It is proactive, multiplayer, with its own identity and memory. But it’s not just a bot in Slack. Over the past few months, it has completely changed the
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Fun data analysis, generalization, and fixing a model hallucination
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it's been fun digging into data together! and seeing fun examples of generalization from weights except that one time our model hallucinated that Sabri has a dog named Pearl. good thing we fixed that