Fantasy Sports Manager

🔑 Yahoo Developer Credentials & OAuth Setup

Enter your Yahoo App Client ID and Client Secret from the Yahoo Developer Network.

Client ID

Client Secret

Custom Redirect URI (Optional)

📌 Active Yahoo OAuth Callback URI: http://localhost:5000/api/auth/callback
⚠️ Important for Yahoo OAuth: In your Yahoo Developer App Console, the Redirect URI / Callback URL must match the exact URL above (including https:// if using a custom domain like https://fantasyfootball.bogosity.org/api/auth/callback), and Fantasy Sports (Read or Read/Write) permissions must be checked.

🏈 Active Yahoo League Ingestion

Select an active Yahoo Fantasy Football league and sync all teams, rosters, draft picks, and headshots into the Kùzu Graph Database.

💡 Don't see your league in the dropdown? Enter your Yahoo League ID or League Key manually:

Your League ID is found in your Yahoo URL: football.fantasysports.yahoo.com/f1/1667331

Probes active OAuth tokens against Yahoo endpoints to diagnose permissions & exact error responses.

🕷️ Yahoo Web Scraper & Direct HTML Import

Bypasses API 403 Lockdowns

If Yahoo's developer API is delayed or unapproved, scrape your league directly. You can use your browser's session cookie for 1-click full sync, or paste the page HTML directly.

🌐 Sleeper League Import (No Passwords / No OAuth Needed)

Import any Sleeper fantasy league by username to sync rosters into your graph database alongside Yahoo.

🧠 AI Lineup Optimizer & Start/Sit Decider

Calculates your mathematically optimal starting roster using defensive matchup grades, boom/bust ceiling and floor Monte Carlo simulations, and stack correlation.

📡 Waiver Wire Radar & Smart FAAB Advisor

Scans unrostered free agents, tracks sudden target share and snap spikes, and recommends optimal FAAB bidding ranges.

🎲 10,000-Run Monte Carlo Playoff Machine & Title Odds

Simulates remaining season schedules 10,000 times to predict playoff probabilities, first-round bye chances, and magic numbers to clinch.

🩹 Injury Handcuff Insurance & Vulnerability Matrix

Maps your starting running backs and receivers to depth chart backups, scoring your insurance protection and flagging exposed handcuffs on waivers.

📊 True Power Rankings & The Oracle Recap

AI-powered league power rankings with True All-Play records, coaching efficiency indices, luck ratings, and narrative weekly manager recaps.

⚔️ Manager Rivalry Matrix & Trophy Room

Explore all-time pairwise manager head-to-head records, win percentages, biggest blowouts, and closest nailbiters in league history.

📉 Positional Power & Roster Depth Benchmark

Diagnoses your team's positional power relative to the league median, pinpointing your primary trade surplus and acquisition needs.

🎯 Live Draft Command Center & VORP Recommendations

Graph-powered available player recommendations incorporating VORP, positional scarcity, QB-WR stack synergy, and bye-week overlap warnings.

⚔️ League-Wide Head-to-Head Matchup Analyzer

View real-time score projections, win probability meters, and historical manager rivalry records across all head-to-head matches in your league.

🔄 Graph Trade Synergy & Surplus/Deficit Finder

Traverses Kùzu/Neo4j graph paths to discover win-win trade opportunities between teams with complementary roster depth.

🕸️ Interactive League Graph Relationship Network

Visual Cytoscape.js canvas map showing team connections, player draft picks, and head-to-head rivalries.