ARTICLES
The 44-Second Turn

The 44-Second Turn

How per-turn tool filtering shredded our prompt cache: 74K cache-write tokens every turn, zero reads, 44 seconds to first token.

Never Trust an Agent Self-Report

Never Trust an Agent Self-Report

The work is done when the evidence survives an attack. Everything else is a self-report.

Agents Are the Primary Users

Agents Are the Primary Users

Close to 100 packages, one rule: every tool ships a CLI, an MCP server, an SDK, and --json — because the user is an agent.

Open Source Is the Moat

Open Source Is the Moat

Software has no moat anymore. The ecosystem is the moat — and you defend it with provenance and loops.

Open Core, Hard Boundaries

Open Core, Hard Boundaries

A private product consumes its own open-source core through public, versioned npm exports, exactly like a stranger would. The design docs spend real effort saying what a package must never become.

Fork With Provenance

Fork With Provenance

Codex became Codewith, Yazi became our file-manager fork, Zellij became our terminal-multiplexer fork — three forks, one paper trail each, and a rule for when a fork has earned the right to exist.

Surviving a Package Hijack

Surviving a Package Hijack

A hijacked open-source package is never only your incident — it is every stranger's incident who trusted the name enough to install it. That is the real argument for defending the commons with automation you have actually verified.

Hard Limits Are Governance

Hard Limits Are Governance

No file over 700 lines. Subagent concurrency capped by policy, not vibes. Numbers are how the system says no on your behalf at 3am.

Books

Field notes from
building things

Andrei bootstrapped a healthcare business to eight figures and now runs a fleet of AI coding agents. He writes about building from both ends of that arc.

His books are field notes, not theory: how risk gets cheaper the faster you execute, and how one builder with good systems can outship an entire company in the pre-AGI era.

PODCAST

Coming soon: unfiltered conversations on agents, open source and AGI blocks.

Coming soon

New episodes on the way

Unfiltered conversations on building, agents and open source — launching soon.

Coming soon

New episodes on the way

Unfiltered conversations on building, agents and open source — launching soon.

Coming soon

New episodes on the way

Unfiltered conversations on building, agents and open source — launching soon.

Coming soon
Newsletter

What we shipped, what broke,
and what we learned