Referral Stack
Makes a stack of referral letters searchable by condition and urgency. Built for Receipts — build something that makes a messy pile of documents answerable. Extraction and urgency ranking on synthetic letters. The interface is deliberately narrow: one path, done properly, rather than a broad surface that half-works at the deadline.
Gallery
Screens
Referral Stack — main view
Referral Stack — result state
On the clock
What shipped, what didn't
Completed in time
Extraction and urgency ranking on synthetic letters.
Unfinished / faked
Synthetic data only; no PHI was used or handled.
Obstacles
Underestimated the parsing work. Cut a whole feature to protect the demo.
Lessons learned
Boring, well-understood tools beat interesting ones when there's no time to debug.
Process
Prompting approach
Started from a single system prompt describing the user and their constraint, then iterated with the assistant on the Referral Stack data model before writing any interface code. Full prompt log is in the repository under /prompts.
Fairness
Disclosures
Declared by the builder at submission time, visible to judges before scoring.
Started from the official framework starter template, unmodified.
Judging
Public feedback
Judges' private notes stay private — this is what they chose to say publicly.
Elena Voss
VP of Engineering, Harbor Compute
Good instinct on the problem. I would have liked to see the model doing more of the reasoning rather than formatting output.
Claudia Reyes
Staff Engineer, Vantage Analytics
The idea is strong and the execution is most of the way there. The demo path broke once, which is what separates this from the top three today.
Hana Kobayashi
Principal Research Engineer, Independent
The idea is strong and the execution is most of the way there. The demo path broke once, which is what separates this from the top three today.
Discussion
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