fbmp

Chromium extension that:

• Keeps Facebook limited to Marketplace and Messages
• Lets you save Marketplace listings
• Shows saved listings in a dropdown panel in the extension popup (title, price, and link)
• Automatically removes saved listings that are no longer available

Installation

This extension is loaded as an unpacked extension (Developer Mode).

1. Download or clone this repo locally.
2. Open your browser extension page:
   • Chrome / Brave / Arc: chrome://extensions
   • Edge: edge://extensions
3. Enable Developer mode (top-right).
4. Click Load unpacked.
5. Select the extension folder
6. Confirm the extension appears and is enabled.
7. (Optional) Pin it from the browser toolbar extensions menu.

After Code Changes

1. Open your browser extension page again.
2. Find Facebook Marketplace + Messages Only.
3. Click Reload to apply local file changes.

Use

1. Open Facebook and browse Marketplace.
2. On an item page (/marketplace/item/...), click:
   • Floating Save Listing button
   • or extension popup -> Save Current Listing
3. Open extension popup to view the saved listings dropdown panel.
4. Double-tap (or double-click) a listing title in the popup to rename it.
5. Use link to open the listing, or Remove to delete it from saved entries.
6. Click Refresh Availability to run an immediate check.

Automatic Cleanup

• A background alarm runs every 30 minutes.
• Each saved listing URL is fetched.
• If the listing page indicates unavailability (or returns 404/410), it is removed from saved entries.

Notes

• Facebook is a dynamic SPA; route and UI structure can change.
• This extension currently enforces allowlisted routes by redirecting non-allowed pages to Marketplace.