Ben scraped 107M rows of UK council spending data and built an interactive map

Scraping 107M rows of data to build this

Ben Tossell used Codex agents to scrape and clean 107 million rows of UK council spending data, then built a searchable map-style site. The process consumed 8.2 billion tokens and spawned 656 sub-agents, pulling data from 31 official sources and using Parquet + DuckDB for storage. The post doesn't say whether the final site is open-sourced yet—Ben mentions he's still doing final tweaks.

Why it matters: Ben Tossell's agent-driven scrape of 107M UK council spending rows into a searchable map is a concrete, numbers-backed agent experiment. The 8.2B token cost and 656 sub-agent scale give it substance, but it's a personal project writeup, not a product launch or industry event—s...