WebMCP - Model Context Tool Inspector icon

WebMCP - Model Context Tool Inspector

by Google Ireland, Ltd. · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Inspect, monitor, and execute WebMCP tools manually or with Gemini

Users
20K
0 in 30 days
Rating
4.9 / 5
unchanged in 30 days
Ratings
11
0 in 30 days
Store rank
#6,402
#5,545 among extensions
Version
1.9.19
updated 5 Oct 2026

Users

monthly, 7 months
1,00010K20KMar 2026Jul 2026Oct 2026
Latest, 15 Oct 2026: 20,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
0611Mar 2026Jul 2026Oct 2026
Latest, 15 Oct 2026: 11 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 WebMCP - Model Context Tool Inspector

⚠️ Prerequisites: You must enable the "WebMCP for testing" flag in chrome://flags to turn it on in Chrome 150.0.7861.0 or higher. 🚨 This extension does not implement production-level security boundaries. Do not use this extension while navigating untrusted websites.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+14K+233.3%+7−0.09

Chrome Web Store search rankings

Where WebMCP - Model Context Tool Inspector appears when people search the store, with the 30 day change
Search phrasePosition30 days
model#64−2

Version history

16 versions recorded
1.9.195 Oct 2026
1.9.1830 Sep 2026
1.9.1728 Sep 2026
1.9.1622 Sep 2026
1.9.159 Sep 2026
1.9.1320 Aug 2026
1.9.1223 Jul 2026
1.9.118 Jun 2026

Details

Category
Developer Tools
First seen
5 Mar 2026
Size
231 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
gbpdfapgefenggkahomfgkhfehlcenpd

Permissions and risk

Elevated riskimpact 3, likelihood 3
Permissions
sidePanelactiveTabscriptingwebNavigationoffscreen
Site access
<all_urls>
Can read and change data on every website you visit.

Alternatives to WebMCP - Model Context Tool Inspector

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users
Chat with all AI models (Gemini, Claude, DeepSeek…) & AI Agents | AITOPIA1M users · 4.8 ★ · 28,239 ratings GoFullPage - Full Page Screen Capture11M users · 4.9 ★ · 84,378 ratings touchenex 확장8M users · 1.2 ★ · 6,327 ratings TrendAI™ Toolbar for Enterprise7M users · 1.2 ★ · 45 ratings SentinelOne6M users · 1.4 ★ · 190 ratings React Developer Tools5M users · 3.5 ★ · 1,643 ratings ColorZilla4M users · 4.7 ★ · 3,939 ratings Take Webpage Screenshots Entirely - FireShot3M users · 4.9 ★ · 52,614 ratings