Waiver Wonder

Tools for Fantasy Football

Snipe fantasy football free agents the millisecond waivers clear on Yahoo, ESPN & Sleeper without waking up early or sharing credentials. Waiver Wonder automates free-agent additions across Yahoo Fantasy, ESPN and Sleeper leagues the exact millisecond waivers clear. Queue up your claims before bed, preserve your top waiver wire priority, and wake up to your new roster additions without setting 3 AM alarms. Key Features: - Save Your Waiver Priority: Claim players instantly as free agents immediately after waivers process, saving your top waiver order spot for major late-season injuries. - 100% Private & Secure: Operates entirely locally inside your browser using your active web session. No account passwords, tokens, or credentials are ever collected or transmitted. - Relevance-Ranked Player Search: Filters out retired legacy players from available pools and orders free agents by fantasy relevance. - Multi-Platform Support: Seamlessly manage claims across both Yahoo Fantasy, ESPN and Sleeper leagues from a unified popup interface. - Real-Time Queue Visibility: Live updates on scheduled claims, execution statuses, and automatic roster sync. System Requirements & Setup Guide: For 100% execution reliability on waiver night, ensure the following conditions are met: - Keep Chrome Running: The browser must remain open on your desktop or laptop overnight (it can be minimized, but cannot be closed). - Prevent OS Sleep: Set your operating system's power settings to "Never Sleep" (or "Do not sleep when plugged in") on Tuesday/Wednesday nights so network interfaces remain active. - Stay Connected to Power: If using a laptop, keep it plugged into wall power to prevent OS battery-saver modes from throttling background extension alarms. - Remain Logged In: Ensure you are actively logged into your Yahoo, ESPN or Sleeper account in Chrome before leaving your computer.