Builder's Notebook

Hey. I'm Josh, and I build things.

Notes on compilers, WebAssembly, testing infrastructure, and the awkward systems problems that show up when tools start getting real.

WebAssembly Developer Tools Testing Systems

Currently writing about

Tooling, validation, and practical systems work

Latest Thinking

1-2 of 3 Articles

A first look at as-harness, a WASM-first AssemblyScript test framework with deterministic planning, coverage, snapshots, and multiple runtime hosts.

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Management tools aren't just for agents.

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