Alpibru

Blog

Essays and notes on agent-native tooling, typed effects, and building a software company with agentic AI.

The Contract, Enforced Twice

A type checker only watches code written in its own language. lex-os assumes nobody is watching at all — so the same trust grant is enforced twice: once by the compiler, once by a kernel-level wall that doesn't care what produced the command.

The Contract Your Agent Signs

Every agent that executes code is implicitly trusted with everything that code can reach. Lex makes that trust explicit — declared upfront, checked before execution, refused if it exceeds the grant.

One Founder, Thirty Experiments

Trial and error in public, at a pace that wasn't possible before. Focus was the price of expensive engineering — agentic development lets us spread the bets, run ideas almost in parallel, and let the evidence decide where the focus goes.

Trust Without Comprehension

A case for tools designed for AI, not adapted from humans. The founding essay behind Lex: replace comprehension with verification, human-readable artifacts with machine-checkable specifications. Comprehension was a strategy — it is not the only one.