Reletter
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Agentic AI

Ken Huang
Hundreds of paid subscribers

I share my thoughts on anything related to Agentic AI and Agentic AI Security topics. You can also subscribe to our sister YouTube channel at https://www.youtube.com/@AgenticAISignal/shorts for the latest signal on Agentic AI

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Substack
PricingFreemiumPublishesDaily
Issues350Founded3 years agoLast Issue2 days ago
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Latest Issues

Harness Engineering: Design Patterns for Securing Long-Horizon Multi-Agent AI Systems

I am pleased to announce the professional edition of my new book, Harness Engineering: Design Patterns for Securing Long-Horizon Multi-Agent AI Systems.

The Kindle edition is available here:

Harness Engineering on Amazon Kindle

This book...

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40% OFF: Hands-On Harness Engineering with Claude

Registration is live for Hands-On Harness Engineering with Claude—and you can get 40% off using our exclusive discount code.

AI coding agents like Claude Code offer incredible speed, but without the right guardrails, speed turns into risk....

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Black Hat and DEF CON 34 Trip Report: What Vegas Actually Shipped in Agentic AI Security

Twenty vendors said agentic. I checked every claim against primary sources. What is real, what was only a slide, and where the category still has a hole.

I spent the first week of August in Las Vegas. Black Hat USA ran August 1 through 6 a...

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Coding Agent Security: Lessons from Claude Code, Cowork, Codex, and Copilot in the Wild

This article is sponsored by Reva AI (reva.ai). Thank you to the Reva AI team for supporting independent research into AI agent security — the analysis, incident research, and opinions below are my own.

AI coding agents write pull requests...

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Inside the 1-Bit LLM: How Bonsai Fits a 27B Model on a Phone

In July 2026, PrismML shipped a 27-billion-parameter language model, built on Alibaba's Qwen3.6-27B, that runs in a browser tab on WebGPU and, separately, on a phone.

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