NapNap

Crosslist and sync your Mercari & Poshmark listings with NapNap, and let the NapNap desktop AI agent work in your Chrome.

NapNap connects the NapNap desktop workspace to your own Chrome browser. Crosslisting for resellers • Connect your Mercari and Poshmark shops using the sign-in you already have in Chrome — no passwords are entered into NapNap. • Import your active listings into your NapNap product catalog and keep stock and sold status in sync. • List, reprice, delist and relist items on Mercari and Poshmark from NapNap. Browser agent • Pair the extension with the NapNap desktop app using a one-time code. • The app's AI agent can then browse and work in its own dedicated tabs, grouped under a "NapNap" tab group. It never touches your other tabs. Privacy • Marketplace session tokens stay in memory and are only sent back to that marketplace. • The extension talks to the desktop app only over a local connection (127.0.0.1). • No analytics, telemetry or ad tracking. Requires a NapNap account.