fighting slop with slop — Vaibhav Gupta, Boundary
Jul 31, 2026 · 21:32
Vaibhav Gupta of Boundary argues that AI slop can be fought with slop: instead of code reviews, his team relies on agents that read other agents' transcripts and on hard invariants like architecture.md files and CLI checks. He explains how they ship a stable programming language, BAML, without reading all code, using agents that flag hallucinations, tool-call errors, and inefficiencies from Claude transcripts, then A/B test language features by token spend and error rates. He attacks TypeScript as baking slop in—string coercion on sort, unsafe any—and designs BAML with inferred error types that prove division-by-zero is handled or the build fails. BAML works across Python, TypeScript, Rust, and more, with type-safe functions, lambdas, and generics across boundaries, plus zero-cost execution traces and generated CLI tools. His closing challenge: build these sloppy tools yourself, constrain the systems underneath, and rethink foundational layers like Git, databases, and programming languages.
