Field notes

Writing from the operating room.

What we've learned shipping AI agents to production at growth-stage companies. No thought-leadership. Original data, customer-signed numbers, and the boring infra wins behind the headlines.

May 18 · Eng · 14 min read

The verifier-executor split: why we ship two models, not one.

An independent verifier model trained on customer-corrected outputs catches 4× more bad outputs than self-consistency alone. The architecture, the eval, and what we got wrong twice.

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May 04 · GTM · 9 min read

Selling hours, not seats: a 2026 pricing autopsy.

What happens when you reprice your product against the labor it replaces. Six months of usage data, three painful contract resets, one obvious conclusion.

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Apr 22 · Eng · 20 min read

On-device PII redaction: building a privacy-safe observer.

The browser extension that captures cross-app workflows. Presidio + a custom classifier. Why we open-sourced the client and what threats we found.

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Apr 09 · Research · 7 min read

Eval-driven development for agents.

Golden datasets, regression nets, shadow runs in production. Why our PRs block on accuracy, not on test pass rate.

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Mar 27 · Field · 11 min read

What 47 design partners taught us about RevOps.

The patterns we saw, the ones we expected and didn't see, and the single workflow that pays for the year.

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Mar 14 · Brand · 6 min read

Why we look like a magazine, not a SaaS.

The visual system behind Routix. Editorial typography, Swiss grid, one signal color — and the deliberate absence of gradients and glow.

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