Show HN: Build your own theme park
2.85T2 sourceHacker News · Show HN (50+ points)
Source record
Published by Hacker News · Show HN (50+ points) (T2 source). The original is at https://www.magicpatterns.com/theme-park.
Pipeline notes
The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.
SummaryA Magic Patterns engineer built an agent that generates Rollercoaster Tycoon-influenced theme parks from text prompts, applying the same design-system guardrail techniques used for brand-consistent UI generation, including a rubric-based eval loop where one agent grades another's output and the generator updates its rules.
Why it mattersCross-domain transfer of constraint-based generation: a working example of pairing a design-system agent with an evaluator loop, useful for anyone structuring agents beyond generic chat.

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