Prove a research idea on vacation with Claude Code

An open-source maintainer used Claude Code on a beach to show common geo and climate operations can be written as SQL, and even built a neural network in SQL.

By alxmrs on Hacker News · Posted Jul 13, 2026 · Added Oct 16, 2026 · 2 sources

Difficulty: AdvancedOur rating
Time to build: Not reportedOur estimate
Monthly cost: Not reported
Revenue: Not reportedWe only show revenue the source states
Engagement: 121 HN points20 comments · fetched Oct 15, 2026

What they did

He and Claude Code wrote a benchmark of geo and climate queries on his Xarray-SQL library.

How it went

They published the benchmark and the SQL neural network demo.

Worth knowing

Benchmarks need independent checks.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

Claude Code
Xarray-SQL

Steps

Define the question and success criteria.
Let agents search, run or summarize in parallel.
Verify key results yourself.
Write up findings with sources.

Starter prompt

Read the original

Hacker News: news.ycombinator.com/item?id=48897975 ↗ (opens in new tab) Jul 13, 2026 · 121 points, 20 comments (fetched 2026-10-15)
GitHub: github.com/xqlsystems/xarray-sql ↗ (opens in new tab) Jul 13, 2026

Related use cases

4HN points on the source (opens in new tab)

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