Draft Like a Genius.
Dominate Your League.

Real-time value-based recommendations, multi-platform ADP arbitrage, and live opponent scouting โ€” rendered seamlessly in your native Chrome side panel.

๐Ÿ›ก๏ธ 100% Free & Open ๐Ÿˆ PPR ยท Half-PPR ยท Standard ยท Superflex ๐Ÿ”„ 4 Live ADP Sources ๐ŸŽ๏ธ 3-Second Real-Time Sync
sleeper.com/draft/nfl/1400692220436176896 โ€” Live Snake Draft
Mega Brain Fantasy Live Draft Companion Preview

Built For Championship Drafters

Stop relying on static cheat sheets. Mega Brain Fantasy recalculates the state of the entire board after every single pick.

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Dynamic VORP Engine

Calculates real-time Value Over Replacement Player (VORP) customized to your league's roster settings, scoring format, and positional drop-offs.

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Multi-Platform Arbitrage

Cross-references Sleeper ADP against ESPN, FantasyCalc, and FFC to find massive market inefficiencies and draft steals before your opponents.

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Positional Run Alerts

Detects when teams start panic-drafting positions (e.g. 4 straight QBs) and alerts you to pull the trigger before the tier falls off a cliff.

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Positional Scarcity Index

Visual scarcity meters show exactly how depleted each position is, helping you know whether you can wait on a QB or need to strike now.

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Live Opponent Scouting

Tracks every team's roster construction, identifies their weaknesses, and predicts who will snipe your targets before your next turn.

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Post-Draft Standings & Grades

Once the draft concludes, receive an instant 1โ€“12 power ranking of all teams with statistical Z-scores and positional letter grades.

Any League. Any Format. Zero Setup.

Whether your league drafts Standard, Half-PPR, Full PPR, Superflex 2QB, or TE Premium, Mega Brain Fantasy automatically detects your Sleeper league settings and dynamically recalibrates its VORP models in real time.

โšก ZERO CONFIG
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Auto-Detect Engine

Instant Sleeper API Integration

Connects to your Sleeper draft room and automatically parses roster slots, reception values, passing TD multipliers, and bench depth without any manual configuration.

๐Ÿˆ SLEEPER & ESPN DEFAULT
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Half-PPR (0.5 pt)

Modern Industry Standard

Equally weights rushing volume and target shares. Calibrated to match Sleeper and ESPN default redraft league rules with balanced positional baselines.

๐ŸŽฏ 1.0 PT / REC
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Full PPR (1.0 pt)

High Reception Volume

Maximizes the value of pass-catching workhorses (Achane, Gibbs, McCaffrey) and elite slot targets with high target share and weekly reception floors.

๐Ÿƒ WORKHORSE FOCUS
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Standard / Non-PPR (0.0 pt)

Touchdowns & Pure Rushing

Elevates touchdown machines and pure bellcow rushers (Derrick Henry, Jonathan Taylor, Saquon Barkley) while devaluing satellite backs and low-touchdown receivers.

๐Ÿš€ 24+ STARTING QBS
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Superflex / 2QB

Quarterback Premium

Doubles the starter QB demand from 12 to 24+ signal-callers, vaulting elite QBs (Josh Allen, Lamar Jackson, Jayden Daniels) into high Round 1/2 VORP recommendations.

๐Ÿ‘‘ +0.5 - 1.0 TEP
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TE Premium (TEP)

Positional Advantage

Awards extra points on tight end receptions, boosting elite difference-makers (Brock Bowers, Trey McBride, George Kittle) up 1โ€“2 full draft rounds.

Exploit Market Inefficiencies

Sleeper draft rankings vary between the other major drafting platforms. Mega Brain Fantasy surfaces underpriced players, and players that are overvalued on other platforms, for massive draft value.

โšก Live Multi-Platform Arbitrage Board
โ— UPDATED DAILY
Player Pos Sleeper ADP Consensus ADP Arbitrage Spread Market Verdict
โšก De'Von Achane RB 13.2 10.5 +2.7 Picks ๐Ÿ”ฅ Elite Value at Turn
โšก Jayden Daniels QB 66.8 52.8 +14.0 Picks ๐Ÿ”ฅ Dual-Threat Steal
โšก Brock Bowers TE 23.6 18.2 +5.4 Picks ๐Ÿ”ฅ Positional Advantage
โšก Derrick Henry RB 20.9 16.8 +4.1 Picks ๐Ÿ”ฅ Undervalued Workhorse
โš ๏ธ Kyren Williams RB 27.9 36.2 -8.3 Picks โš ๏ธ Sleeper Overpriced Reach

Ready in 30 Seconds

Zero complex spreadsheets. Zero manual pick entry. Mega Brain Fantasy does all the heavy lifting automatically.

01

Add Extension to Chrome

Install the extension from the Chrome Web Store or load unpacked. No API keys or account creation needed.

02

Open Any Sleeper Draft

Navigate to your live draft or mock draft room on sleeper.com. Mega Brain Fantasy detects the draft room automatically.

03

Open Side Panel & Win

Press Cmd+Shift+Y (or click the ๐Ÿง  toolbar icon) to open your resizable side companion and draft your championship roster.

Frequently Asked Questions

Yes! Mega Brain Fantasy connects with any Sleeper draft (public, private, snake, linear, or mock drafts) using Sleeper's read-only public draft APIs.
Mega Brain Fantasy fully supports Half-PPR (0.5 pt), Full PPR (1.0 pt), Standard / Non-PPR (0.0 pt), Superflex / 2QB, TE Premium (TEP), and 6-Point Passing TDs. Roster positions and scoring multipliers are auto-detected straight from your Sleeper draft room, or you can switch formats live anytime in the companion panel.
Yes, 100% free to use for all fantasy managers! If you love the insights and want to support ongoing data infrastructure and feature development, you can buy me a coffee.
We pull and aggregate real-time draft and trade market data from 4 major platforms: Sleeper API, ESPN Live Leagues, FantasyCalc Trade Values, and Fantasy Football Calculator.
Yes! Mega Brain Fantasy uses Chrome's native Side Panel API, which means you can click and drag the divider to make the panel as wide or narrow as you like.

Ready To Win Your Championship?

Join fantasy managers drafting smarter with real-time AI intelligence, arbitrage detection, and opponent scouting.

โšก Add to Chrome โ€” Free โ˜• Buy Me a Coffee