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Harvey Tuch

Notes from Harvey Tuch, software engineer.

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Latest posts

What skills need from an enterprise agent platform

Skills as first-class platform resources.

A Dungeon Master as a long-horizon agent

D&D rules through the lens of context engineering.

Tetrachord scales on the guitar

Composable fretboard scales from a handful of tetrachord shapes.

Exploiting an Envoy heap vulnerability

From a fuzz bug to a working cross-request exploit via heap shaping.

Evolving a Protocol Buffer canonical API

Lessons in protobuf APIs as a living document.

External C++ dependency management in Bazel

Importing C++ dependencies with their own build system into Bazel.

Dynamic extensibility and Protocol Buffers

Modeling plugins in the Envoy API.