Posts on the sports-data corner of the workshop — MCP servers, RPI calculators, and reverse-engineered upstreams for NWSL, ECNL, and other soccer data sources. The shape most of these take: no official public API, so build the API, then hand it to Claude via MCP. Currently focused on women’s professional soccer (NWSL) and the youth club-soccer pipeline (ECNL).
How the NCAA women's soccer RPI actually works — and why teams pick their opponents carefully
A plain-English walkthrough of the Rating Percentage Index — the three components, the strength-of-schedule feedback loops, why the formula shapes non-conference scheduling decisions across the sport, and why recomputing it is genuinely expensive.