Zach
shipped·2026·in production

Sandlot.

helps me not suck at fantasy baseball.

I want to play fantasy baseball without turning Fantrax into a second job. Sandlot turns my league data into a small attention queue: injuries, lineup risks, waiver swaps, matchup context, and player details worth reviewing. The app does the deterministic read, Skipper explains the reasoning, and I still execute every move manually in Fantrax.

the thinking

01
Catalyst

Fantasy baseball rewards consistency, not effort. I was checking Fantrax twice a day and still missing rotations and waiver moves. The decisions are recurring and rule-shaped. Perfect to hand off.

02
Decision

Recommend and explain, never execute. Sandlot should surface the smallest queue worth reviewing, then make each recommendation inspectable enough that I can decide before touching Fantrax.

03
Status

The Railway app reads the latest league state into queue views, then Skipper adds reasoning around player details, waiver swaps, and matchup context. Fantrax remains the system of record.

a peek inside

live app screenshotsmobile PWA
Todaylineup health + injury queue
Adds
Player
Skipper
Reasoning