Sourced news on personal AI agents, with a plain-language take.https://agentstackwatch.com/https://agentstackwatch.com/news/2026-10-24-claude-duet-anthropics-always-on-agent/https://agentstackwatch.com/news/2026-10-24-claude-duet-anthropics-always-on-agent/On October 21 Anthropic opened a research preview of Claude Duet, a separate app where Claude briefs you every morning, works in its own cloud computer while you're away, and asks before it sends, pays, signs or deletes. It's US-only, Pro and Max plans, by waitlist. Here's what it does, what it can't do yet, and who should sign up.Sat, 24 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-23-chatgpt-locked-chats-slides-pro-agents/https://agentstackwatch.com/news/2026-10-23-chatgpt-locked-chats-slides-pro-agents/On October 20 OpenAI added locked chats (hide private conversations behind a 4-digit PIN, but it is not encryption and a PIN reset deletes them), ChatGPT Slides for team presentations, and a GPT-6 Pro update that runs several agents on one task. Here's what each one does, who gets it, and what to do.Fri, 23 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-22-walmart-lets-ai-agents-shop-for-you/https://agentstackwatch.com/news/2026-10-22-walmart-lets-ai-agents-shop-for-you/Walmart announced Agent Profiles (spending limits and a separate order history for each AI agent, launching next month), an Agent Gateway for agents like ChatGPT, Gemini and Muse, and rules agents must follow. Amazon is going the other way. Here's what it means if you want an agent to buy things for you.Thu, 22 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-21-chatgpt-agent-gone-what-replaced-it/https://agentstackwatch.com/news/2026-10-21-chatgpt-agent-gone-what-replaced-it/OpenAI's help center now says ChatGPT agent "is no longer available" and sends people to ChatGPT Work. The Atlas browser is deprecated too. Here's what Work is, who gets it, what it costs, and what to do if you relied on agent mode.Wed, 21 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-21-cybercartel-used-claude-and-grok-to-attack-banks/https://agentstackwatch.com/news/2026-10-21-cybercartel-used-claude-and-grok-to-attack-banks/Security firm Straiker says CyberCartel built a multi-agent attack system on commercial AI models, and got past their safety rules by framing the work as authorized testing. Here's what it means for businesses using agents.Wed, 21 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-20-grok-bot-x-dms-tag-bot-android-assistant/https://agentstackwatch.com/news/2026-10-20-grok-bot-x-dms-tag-bot-android-assistant/xAI's always-on agent picked up X Chat DMs, @bot tagging in X threads and default-assistant support on Android, plus faster tasks and email aliases. It is a big step from watching X for you to speaking for you.Tue, 20 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-20-perplexity-computer-runs-fully-local-on-mac/https://agentstackwatch.com/news/2026-10-20-perplexity-computer-runs-fully-local-on-mac/Perplexity added a fully local mode to Computer, its task agent: the model and the agent run on an Apple silicon Mac, with no cloud needed for the task. You need a paid plan and a lot of memory.Tue, 20 Oct 2026 00:00:00 GMThttps://agentstackwatch.com/news/2026-10-19-notion-agents-rebuilt-own-computer-24-hour-tasks/https://agentstackwatch.com/news/2026-10-19-notion-agents-rebuilt-own-computer-24-hour-tasks/Notion rebuilt its AI agents: they now have their own computer and browser, can work on a task for up to 24 hours, and can use the ChatGPT plan you already pay for. A new credit system is coming with them.Mon, 19 Oct 2026 00:00:00 GMT