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Opus Tuner – An open-source Claude skill to optimize Opus behavior

Hi r/PromptEngineering , I'm a developer and a Claude Pro subscriber. Like many of you, I've been hitting brutal token limits lately—especially when running Opus 5.5 on high for heavy reasoning tasks. It was burning through my quota way too fast, and I was tired of manually rewriting system prompts…

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  1. 2026-10-28 16:16 · r/PromptEngineering
    Opus Tuner – An open-source Claude skill to optimize Opus behavior

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