Dev.to
6/18/2026

How I built an AU small business AI advisor with Gemini 2.0 Flash (and why Australian context changes everything)
Short summary
Developer built AppZ, a Gemini 2.0 Flash tool generating Australian-specific business automation advice. Core pattern: domain-specific reasoning scaffolds with AU context (GST, BAS, superannuation) beat generic keyword injection. Open-sourced Next.js implementation shows structured JSON outputs and prompt engineering for localized AI.
- •Built free AU-focused business advisor using Gemini 2.0 Flash with structured JSON outputs
- •Key insight: reasoning scaffolds with domain knowledge outperform keyword injection
- •Concrete code examples for Next.js, prompt architecture, and structured output patterns
Generated with AI, which can make mistakes.
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