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MyFantasyLeague · NFL

Roster-aware AI for your MyFantasyLeague teams

MFL is the commissioner's platform of choice for serious dynasty. Connect with a league URL, tell Roster Locker which franchise is yours, and get AI that reads your real MFL roster and scoring.

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Public export APIFranchise picker built inDynasty-firstFree draft help
No credit card. No passwords — ever. Connect in under a minute.

How to connect your MFL league

MFL has no user login for third parties, so Roster Locker uses its public export API and then asks which team is yours.

  1. Copy your MFL league URL or league IDFrom your league homepage on the myfantasyleague.com host.
  2. Paste it into Roster LockerIt imports your league via MFL's public export API.
  3. Pick your franchiseBecause MFL has no login to identify you, Roster Locker shows the franchise list and you choose 'which team is mine?'
  4. Start askingTrade grades, dynasty windows and start/sit on your actual roster.
MFL league references embed the season year, so a new season may need a quick reconnect. Roster Locker never asks for a password.

Made for MFL dynasty

MFL powers some of the deepest dynasty leagues in fantasy football. Roster Locker's contend-or-rebuild reads, rookie-draft targets and two-sided trade grades are built for exactly that. It also imports your MFL draft results for draft-recap analysis.

Run leagues elsewhere too? One account also connects Sleeper, ESPN, Fleaflicker and more.

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

How do I connect MyFantasyLeague to Roster Locker?

Paste your MFL league URL or league ID. Roster Locker imports the league through MFL's public export API, then asks you to pick which franchise is yours.

Why do I have to pick my franchise?

MyFantasyLeague has no third-party login, so there's no way to know which team is yours automatically. Roster Locker shows the franchise list and you select your team once.

Which sport does MFL support?

NFL. MyFantasyLeague is a football platform, widely used for dynasty leagues.

Does Roster Locker import my MFL draft?

Yes. MFL draft results import for draft-recap analysis and dynasty context.

Is it free to use with MFL?

Free to start, with paid tiers for more AI credits and free live-draft help 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.

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