Bring your ESPN leagues into one AI assistant — public leagues connect instantly, private leagues connect with a secure self-serve form. NFL, NBA, MLB, NHL and WNBA, all grounded in your actual ESPN rosters and scoring.
Public league? One click5 sports incl. WNBAEncrypted private-league connectFree draft help
No credit card. No passwords — ever. Connect in under a minute.
How to connect your ESPN league
ESPN has two connect paths depending on your league's privacy — both live inside Roster Locker, and neither one needs your ESPN password.
Public leagues
Copy your ESPN league URL or league IDFrom your league homepage on fantasy.espn.com.
Paste it into Roster LockerPublic leagues connect instantly via ESPN's public API.
Private leagues
Try connecting with your league URL firstIf the league is private, ESPN returns a 401 and Roster Locker reveals an inline form.
Add your SWID and espn_s2 cookiesA self-serve form walks you through finding them. Roster Locker validates them by fetching the league before storing anything.
Your cookies are encrypted at restThey're encrypted before they ever touch the database and decrypted just-in-time for scheduled resyncs.
Roster Locker never asks for, stores, or scrapes your platform password — it connects through each platform's public or sanctioned API and encrypts anything sensitive before it touches the database.
The only assistant with real ESPN WNBA support
ESPN is the one platform with a true WNBA league product, and Roster Locker connects it — so WNBA managers finally get roster-aware AI. See the WNBA page for details.
Across ESPN, Roster Locker covers five sports: NFL, NBA, MLB, NHL and WNBA — dynasty, keeper and redraft formats.
What you can ask
Trade grades using both rosters and your league's exact scoring settings.
Start/sit and streaming calls with your byes and injuries factored in.
Waiver targets ranked for *your* roster holes, not the generic wire.
Free live-draft help on ESPN drafts — AI pick advice, board tracking and alerts.
Roster Locker is free to start. Paid plans (Pro $7.99, All-Pro $14.99, Hall of Fame $22.99 per month) add more AI credits — but live-draft help is always free and unmetered, on every plan, on every platform.
Frequently asked questions
Can Roster Locker connect a private ESPN league?
Yes. If your ESPN league is private, Roster Locker shows an inline form to add your SWID and espn_s2 cookies. They are encrypted before they touch the database and validated by fetching the league before anything is stored. Your ESPN password is never used.
How do I connect a public ESPN league?
Paste your ESPN league URL or league ID into Roster Locker. Public leagues connect instantly through ESPN's public API.
Which ESPN sports are supported?
NFL, NBA, MLB, NHL and WNBA. ESPN is the only platform Roster Locker connects that offers rosterable WNBA leagues.
Do you store my ESPN cookies safely?
Yes. SWID and espn_s2 cookies are encrypted at rest and only decrypted just-in-time when a scheduled resync needs them. They are never logged.
Is there a fee to use Roster Locker with ESPN?
It is free to start. Paid tiers add more AI credits, and live-draft help is free on every plan.
One AI for every fantasy league you own.
6 sports, 7 platforms, one AI that reads your actual rosters and scoring. Free to start — and draft-day help is always free.