Tool

LINEUP OPTIMIZER

// Weekly matchup optimizer · Connect your platform or build manually · Best lineup + alternates + matchup grades + start/sit

Import Roster:
or add manually below
Format
League Size
Week
Roster
// Your Roster
Manual entry
✓ —
0 players on roster
Connect your platform or search players to build your roster
⚡
READY TO OPTIMIZE
Add your roster · hit Optimize Lineup
CONNECT SLEEPER
Import your roster automatically — no password needed
1
Enter your Sleeper username — their API is public, no password required.
2
Pick your dynasty league from the list.
3
Select your team — your full roster auto-imports instantly.
Username not found. Check your spelling and try again.
Searching leagues...
Select Your League
Select Your Team
Sleeper API is free and public — no auth needed for roster data. ESPN and Yahoo OAuth coming in a future update.