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Show HN: PromptLab – Local-first Chrome sidepanel for LLM prompt testing

Hacker News•Tue, Sep 1, 2026, 08:33 AM•2 min read

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Source: [Hacker News](https://github.com/timgioh/PromptLab-Local-First-LLM-Prompt-Testing-in-Your-Browser)

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