Cardstock

by Grimnoire · Shopping

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

A real-time availability monitor for Pokemon and Magic: The Gathering cards.

Users

240

−14 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#59K

#49K among extensions

Version

2.13.2

updated 21 Aug 2026

Users

monthly, 10 months

Latest, 15 Oct 2026: 240 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Cardstock

Receive notifications and automatically navigate to product pages when Pokemon and Magic: The Gathering cards become available online from Target, Best Buy, or Amazon.

Growth

Window	Users	Change
7 days	−1	−0.4%
30 days	−14	−5.5%
6 months	+152	+172.7%

Version history

21 versions recorded

2.13.221 Aug 2026

2.12.318 Aug 2026

2.12.215 Aug 2026

2.12.13 Aug 2026

2.11.120 Jul 2026

2.10.130 Jun 2026

2.10.026 Jun 2026

2.9.018 Jun 2026

Details

Category: Shopping
First seen: 9 Dec 2025
Size: 2.9 MB
Languages: en-US
Pricing: Free
Privacy policy: cardstock.cc
Support: cardstock.cc
Extension ID: oklaeikmlmfcfjaedknokljnljjgmcah

Permissions and risk

Elevated riskimpact 4, likelihood 2

Permissions

tabsnotificationsstoragealarmsoffscreencookiesproxydownloadswebRequestAuthProvider

Site access

https://cardstock.cc/*https://ws.cardstock.cc/*https://*.bbystatic.com/*https://www.amazon.com/*https://www.bestbuy.com/*https://api.bestbuy.com/*https://www.target.com/*https://*.target.com/*https://www.walmart.com/*https://q-api.www.walmart.com/*and 2 more