Harvey Tuch Notes from Harvey Tuch, CTO at ReadyLoop. https://h-tu.ch/ 2026-04-28T00:00:00.000Z Harvey Tuch hello@h-tu.ch A Dungeon Master as a long-horizon agent https://h-tu.ch/blog/dungeon-master-long-horizon-agent/ 2026-04-28T00:00:00.000Z D&D rules through the lens of context engineering. Harvey Tuch Tetrachord scales on the guitar https://h-tu.ch/blog/tetrachord-scales-on-the-guitar/ 2022-05-14T00:00:00.000Z Composable fretboard scales from a handful of tetrachord shapes. Harvey Tuch Exploiting an Envoy heap vulnerability https://h-tu.ch/blog/exploiting-an-envoy-heap-vulnerability/ 2020-06-24T00:00:00.000Z From a fuzz bug to a working cross-request exploit via heap shaping. Harvey Tuch Evolving a Protocol Buffer canonical API https://h-tu.ch/blog/evolving-a-protocol-buffer-canonical-api/ 2018-01-29T00:00:00.000Z Lessons in protobuf APIs as a living document. Harvey Tuch External C++ dependency management in Bazel https://h-tu.ch/blog/external-c-dependency-management-in-bazel/ 2017-12-20T00:00:00.000Z Importing C++ dependencies with their own build system into Bazel. Harvey Tuch Dynamic extensibility and Protocol Buffers https://h-tu.ch/blog/dynamic-extensibility-and-protocol-buffers/ 2017-11-30T00:00:00.000Z Modeling plugins in the Envoy API. Harvey Tuch