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MCAI-Extension

Chrome extension · Productivity · Tools

A Chrome extension in Productivity · Tools with 13 users, barely installed. Audience over the last 30 days: +1.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
13
Rating
not rated yet
Users, last 30 days
+1
Version
2.12.6
Updated in the store
2026-09-08
Published
2026-01-05
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+1 since 15.10
12-15 · 14 readings
  1. 2026-10-1713
  2. 2026-10-1812
  3. 2026-10-1913
  4. 2026-10-2115
  5. 2026-10-2215
  6. 2026-10-2414
  7. 2026-10-2515
  8. 2026-10-2714
  9. 2026-10-2915
  10. 2026-10-3114
  11. 2026-11-0715
  12. 2026-11-0814
  13. 2026-11-1015
  14. 2026-11-1413
Users
-1 since 01.09
11-15 · 32 readings
2026-09-08: released 2.12.6
  1. 2026-09-0114
  2. 2026-09-0215
  3. 2026-09-0414
  4. 2026-09-0515
  5. 2026-09-0614
  6. 2026-09-0713
  7. 2026-09-0814released 2.12.6
  8. 2026-09-0913
  9. 2026-09-1514
  10. 2026-09-1713
  11. 2026-09-2112
  12. 2026-09-2513
  13. 2026-09-2812
  14. 2026-10-0411
  15. 2026-10-0813
  16. 2026-10-0914
  17. 2026-10-1013
  18. 2026-10-1312
  19. 2026-10-1713
  20. 2026-10-1812
  21. 2026-10-1913
  22. 2026-10-2115
  23. 2026-10-2215
  24. 2026-10-2414
  25. 2026-10-2515
  26. 2026-10-2714
  27. 2026-10-2915
  28. 2026-10-3114
  29. 2026-11-0715
  30. 2026-11-0814
  31. 2026-11-1015
  32. 2026-11-1413

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.12.6 · Asked for more permissions (5, was 4)

What changed recently

  1. Package size changed
  2. Asked for more permissions (5, was 4)
  3. Released version 2.12.6 (was 2.8.3)

Like this one

Listings the catalog judges closest in what they say they do.

  1. Novel Companion Describes nearly the same job, smaller audience 2 users
  2. NovelSprint Inspiration Clipper Describes nearly the same job, smaller audience 3 users
  3. Maywriter Assistant Describes nearly the same job, smaller audience 2 users (last published figure)
  4. Interactive CYOA assist tool Describes nearly the same job, smaller audience 2k users ★ 5.0
  5. NovelAI Prompt Sync Describes nearly the same job, smaller audience 36 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-14. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built