No. 027 SIGNAL
Agents · 1 min · May 16, 2026
Why Agent Reliability Is a Distribution Problem
Single-step accuracy looks fine. Then you chain ten steps and the product falls apart.
Topic
Agents
No. 024 SIGNAL
Agents · 1 min · May 10, 2026
Agents Are Eating the Developer Loop
Coding agents quietly moved from autocomplete to running the loop. Here is what actually changed, and what it asks of the people who build.
No. 023 FIELD NOTE
Agents · 1 min · May 10, 2026
The Cost of a Confidently Wrong Agent
The failure mode that matters is not the agent that stops. It is the one that finishes, wrong.
No. 020 TEARDOWN
Agents · 1 min · May 3, 2026
Subagents, and When to Reach for Them
Spawning a subagent buys isolation and parallelism. It also fragments context. Pick deliberately.
No. 016 BUILD LOG
Agents · 1 min · Apr 25, 2026
Prompt Caching Changed My Agent Architecture
Once the prefix is nearly free, the cheap move and the smart move stop being the same thing.
No. 011 BUILD LOG
Agents · 1 min · Apr 16, 2026
Evals Are the New Unit Tests
You would not ship code with no tests. Shipping an agent with no evals is the same bet.
No. 008 TEARDOWN
Agents · 1 min · Apr 8, 2026
The Agent Handoff Problem
Most multi-agent systems lose more in the handoffs than they gain from specialization.