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MFF Sleeper Helper

By billingsj199

Draft + season helper for Sleeper leagues: live pick recs, optimal lineups, waiver upgrades, and roster values from Jack's boards.

View Chrome Web Store

Time on the storeUnder 6 monthsA rough range, not an exact date

Store users9As shown on the Chrome Web Store

Chrome Web Store ratingNot rated yetNo store ratings yet

Last store update7 Oct 2026Version 0.29.36, 1 day ago

Inside the extension

MFF Sleeper Helper developer product preview 1

Product image 1 of 2

Reviews

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Permissions & access

Access levelLow

Asks only for everyday access, nothing we track as sensitive.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 4

Standard4

Save its own settingsstorage
Run tasks on a schedulealarms
Show desktop notificationsnotifications
Store large amounts of its own dataunlimitedStorage

Members also see when a new version asks for new access.

Website access 6

api.sleeper.app
firestore.googleapis.com
sleeper.com
sleeper.com and its subdomains
myfantasyfootball.co
www.myfantasyfootball.co

Extension ID: diciafipnmplnociipgdogkcikoinlka
Package size: 297KiB
Manifest: Version 3

The maker

billingsj199 has 4 listings on the store. Updates most of their listings often.

Listings: 4
Combined store users: ≈40
Store Featured: 0
Updated in the last 90 days: 4 of 4

MFF ESPN Helper17 users · updated 28 days ago
MFF Yahoo Helper9 users · updated in the last day
MFF Underdog Draft Helper5 users · updated 57 days ago

Combined users can count the same person more than once. See all 4 listings

Ext Watch AI

Should you build in this niche?

One research report for MFF Sleeper Helper. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
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Report and PDF yours for 30 days