Max Allaire

WorkShippedFeb 2026

ETF Screener

A screener for BlackRock ETFs: filter, sort and compare funds in one table.

Open live site Source on GitHub
ETF Screener: a filterable, sortable table of BlackRock funds

ETF Screener: a filterable, sortable table of BlackRock funds

  • ETF Screener on a phone
    ETF Screener on a phone

01What I built

A screener focused on BlackRock's ETF range, built in February 2026 as my second project with Claude Code: a filterable and sortable table of funds with the fields I actually compare, deployed on Vercel.

02What I learned

Scope. GeoWatch tried to do two things; this did one, and it was done in days. It is also the first time I noticed that a Next.js app with a clear data shape is something an agent builds well on the first pass, which shaped the stack I have used since.

03Built with AI

Built with Claude Code from a one-paragraph brief and a list of the columns I wanted.