Zuckerberg Builds a CEO Agent

Edition 159 | March 26, 2026

I hope my agent steals from me to make me more money. One day.

Welcome back to Building AI Agents, your biweekly guide to everything new in the field of agentic AI!

In today’s issue…

• Zuckerberg builds an AI agent to help run Meta

• Anthropic launches computer use and Dispatch for Mac

• O'Reilly's 131-line Python agent tutorial

• Anthropic's guide to long-running agent harness design

• Cloudflare achieves 100x faster agent sandboxing

…and more

🔥 INCASE YOU MISSED IT

Readers’ favorite items from the past week

1. Google launches full-stack vibe coding in AI Studio

2. NVIDIA unites 8 AI labs to co-build open frontier models

3. Why your AI agents are just glorified cron jobs

4. OpenAI reframes prompt injection as social engineering

5. Microsoft launches a free university-level AI agent course

📌 THE THURSDAY BRIEFING

Claude can now use your Mac while you’re away

📡 Signal: Anthropic added computer use to Claude Cowork and Claude Code, letting Claude open files, run dev tools, click through apps, and navigate what’s on your screen to complete tasks on its own. Anthropic says Claude will use built in tools and integrations when available, and can fall back to direct computer control when it needs to act through the interface instead. The update also makes Dispatch more useful by letting you assign work from your phone and have Claude keep using your Mac while you’re away.

🤖 For builders: This is Anthropic’s closest step yet toward the remote agent experience people liked in tools such as OpenClaw. You can hand Claude a task from your phone, then let it work through apps on your desktop without extra setup. The caveat is that Anthropic is still treating this as a research preview, and outside coverage notes it is currently Mac-focused, can still stumble on more complex workflows, and comes with meaningful safety constraints around what it should access. So this is not full hands off autonomy yet. But for anyone who wanted computer use inside the Claude ecosystem, this gets much closer to that vision.

Zuckerberg builds a personal AI agent to help run Meta

📡 Signal: Zuckerberg is building a personal "CEO agent" that bypasses layers of management to pull answers he'd normally need multiple people to get, per the Wall Street Journal. It's part of a company-wide mandate that now factors AI usage into employee performance reviews. Internally, staffers have built MyClaw, a personal agent that reads work files and negotiates with coworkers' AI agents directly, and Second Brain, a Claude-powered tool that acts as an AI chief of staff.

🤖 For Builders: The headline is fun, but the bigger signal is what this says about how the company is being run. Zuckerberg is not treating AI agents like a side experiment. He is pushing them into the daily workflow of a massive company and tying usage more directly to performance. Meta says output per engineer is up 30% since early 2025, with power users seeing 80% gains. If agents increase the speed at which work happens and information spreads, they help the company move faster.

🤝 WITH TABS

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