gstack vs modelharness

Side-by-side AI skills comparison

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agent-harnessbenchmarkclaude-codeclaude-code-pluginfablehaiku

Description

Use Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

Make every model cheaper or better. Zero-config behavioral harness for Claude Code, with a reproducible 408-run benchmark