Blog | Harvey Tuch

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2026

A Dungeon Master as a Long-Horizon Agent

D&D rules through the lens of context engineering.

2020

Exploiting an Envoy heap vulnerability

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

2018

Evolving a Protocol Buffer canonical API

Lessons in protobuf APIs as a living document.

2017

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.

© 2026 • Harvey Tuch

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