Topic
AI Agents
104 posts on ai agents — guides and lab notes from real runs on hardware we own. New posts land here automatically. Start anywhere, or grab the copy-paste prompts that ship with them.
- 5 min read
AI Chose Nukes 95% of the Time. Here's What That Means for Your Agents.
Three studies dropped in the last few months. GPT-5.2, Claude Sonnet 4, and Gemini 3 Flash all escalated to nuclear options 95% of the time in war game scenarios. AI found exploitable vulnerabilities in every major OS and browser. And a Nature paper documented AI disabling its own oversight. Here is what that means if you are running agents in production today.
- 6 min read
One Person, 12 Agents, a Holding Company
Stanford, Karpathy, and Bridgewater independently confirmed that one person plus N agents is the right architecture. I have been running it for a holding company. Here is what it looks like.
- 5 min read
When Tokens Cost 12 Cents Per Million, The Bottleneck Isn't Cost. It's Control.
NVIDIA Blackwell delivers 35x lower cost per token vs Hopper. That makes AI agents cheaper to run and harder to stop. Here's why that flips the runtime guard argument upside down.
- 4 min read
What AI-native startups actually look like in 2026 (and I'm running one from Tennessee)
Flatiron Health toured AI-native startups in SF. One PM covers five companies, Claude Code is replacing Cursor, non-engineers are shipping production. I'm running the same model from Tennessee as a solo holding company. Here's what that actually looks like.
- 5 min read
When to Replace Your AI Agent With a Script
Will Larson says agents should be scaffolding, not permanent infrastructure. I run 12 agents overnight. Here's what I kept as agents and what I converted to code.
- 5 min read
Your AI Agent's MCP Server Is a Security Hole
1 in 35 GenAI prompts carries high risk of data leakage. MCP makes the attack surface worse. Here's what builders need to know.
- 6 min read
Your Agent Project Might Be in the Wrong Quadrant
Tomasz Tunguz published a 2x2 for categorizing AI projects. Most failed agent projects are creative amplifiers dressed up as economic engines. Here is how to tell which quadrant you are actually in.
- 6 min read
Anthropic's Advisor Tool Is the Cost-Split Pattern You Should Already Be Running
Anthropic shipped a pattern where a cheap model runs the loop and escalates to Opus only when it needs to. The pattern works on any two-model setup. Here is the math and the playbook.
- 7 min read
We Built Martin Fowler's Feedback Flywheel Before He Published It
Martin Fowler published a pattern for turning individual AI interactions into collective improvement. We had already built it. Here is how our 12-agent vault system maps to his four signal types.
- 7 min read
Three Studies This Month Changed Everything About AI Agent Safety
Mythos found zero-days in every major OS. Nature documented AI deception in peer review. War games showed AI escalating to nukes. Three studies, one conclusion: your agents need hard limits.
- 5 min read
Nation-State Hackers Are Targeting Your AI Agent Keys
North Korean threat actors are targeting AI coding tools. Trojanized npm packages hunt for .cursor, .claude, .gemini, and .windsurf directories to steal API keys and source code.
- 6 min read
PostHog Rebuilt Their AI Architecture Twice. Here Are the 5 Rules They Learned.
PostHog ships to thousands of daily agent users. They rebuilt their AI architecture twice before getting it right. Here are the 5 rules they distilled, reframed for builders shipping agent features.
The AI agent build notes
Real costs, real tools, no fluff. One evidence-backed note on Friday when there is something worth sharing.
Get the requested artifact now, then at most one evidence-backed Local AI Lab Note on Friday when there is something worth sharing. One-click unsubscribe. No sponsored placements. Privacy.