Show HN: Spec-first agentic development plugin reports 500k lines built from 1,000 specs

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A developer has shared a Show HN post about Agent Smith, a specification-first agentic development plugin. The author says they have used it since the start of 2026 to write over 1,000 specifications. Those specifications reportedly led to roughly 500,000 lines of code. The author describes the spec-first procedure as working well. The post invites readers to ask how the approach is applied, but the original text does not explain the method in detail.

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