Extension Tracker

Jan Browser MCP

10,000 users Rated 5.00 from 6 ratings Last updated 15 Dec 2025

By Menlo Research Pte Ltd Live in the Chrome Web Store mkciifcjehgnpaigoiaakdgabbpfppal Search Google ↗ Last checked 11 Nov 2026, 17:35 UTC

The listing

What the Chrome Web Store shows, as of the last check

Minimal browser extension that exposes tab automation to the Jan MCP bridge.Summary from the listing
Developer
Menlo Research Pte Ltd
Enhanced Safe Browsing
Not trusted. What this means →
Category
Productivity › Developer Tools
First published
24 Nov 2025
Last updated
15 Dec 2025
Version
0.14.4
Size
187 KiB
Minimum Chrome
88
Languages
1 language

English

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
10K15K20KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 10,000 users2026-09-30: 10,000 users2026-10-07: 10,000 users2026-10-13: 10,000 users2026-10-21: 20,000 users2026-10-28: 10,000 users2026-11-05: 10,000 users2026-11-11: 10,000 users10,00010K15K20KTracking began27 Sep18 Oct8 Nov2026-09-27: 10,000 users2026-09-30: 10,000 users2026-10-07: 10,000 users2026-10-13: 10,000 users2026-10-21: 20,000 users2026-10-28: 10,000 users2026-11-05: 10,000 users2026-11-11: 10,000 users10K
Average rating
4.804.905.0027 Sep11 Oct25 Oct8 Nov5.004.804.905.0027 Sep18 Oct8 Nov5.00
Number of ratings
5627 Sep11 Oct25 Oct8 Nov65627 Sep18 Oct8 Nov6
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-1110,0005.006
2026-11-0510,0005.005
2026-10-2810,0005.005
2026-10-2120,0005.005
2026-10-1310,0005.005
2026-10-0710,0005.005
2026-09-3010,0005.005
2026-09-2710,0005.005
Users, 7 days
No change
since a week ago
Users, 30 days
No change
+0.0%
Rank
#5,041
by users, of 292,131 extensions
In its category
#442
of 30,442 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • debuggerUse Chrome's debugger on your tabs, which gives full control of their pages
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • tabGroupsManage your tab groups
  • tabsRead the addresses and titles of your tabs
  • windowsManage browser windows

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 11 Nov 2026, 17:35 UTC; next check around 19 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Jan Browser MCP” (mkciifcjehgnpaigoiaakdgabbpfppal). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/mkciifcjehgnpaigoiaakdgabbpfppal. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_mkciifcjehgnpaigoiaakdgabbpfppal,
  title   = {Jan Browser MCP (mkciifcjehgnpaigoiaakdgabbpfppal)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/mkciifcjehgnpaigoiaakdgabbpfppal},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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