RoastMyHarness: open-source tool benchmarks your custom Pi agent setup against bare Pi on DeepSWE

AnotherObsceneBean · reddit · 2026-09-13

A Redditor open-sourced RoastMyHarness (github.com/sij0sh/roastmyharness), a small engine that runs DeepSWE benchmark tasks comparing bare Pi as a control against your custom harness, extension, skill, or AGENTS.md, showing what improved, what broke, and what it cost in tokens. Includes a wizard Pi extension for easy setup. The author warns beating base Pi on task quality/token efficiency is harder than you'd think. WIP, tested on Linux only.

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