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396 indicators in this extension

396 indicators
0 versions analysed

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What our analysis found

WebMCP - Model Context Tool Inspector, used by 20,000 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites and can inject scripts into pages. It comes from a publisher with 32 extensions and was last updated in October 2026.

WebMCP - Model Context Tool Inspector

WebMCP - Model Context Tool Inspector Chrome extension security report

ID: gbpdfapgefenggkahomfgkhfehlcenpd

Extension Info & Metadata

Status
Active
Version
1.9.19
Size
0.23 MB
Rating
4.9/5
Reviews
11
Users
20,000
Type
Extension
Updated
Oct 5, 2026
Category
Developer tools
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
Chrome Web Store
Report Issue
This publisherTrack record
32extensions
9 no longer listed

Publisher Contextual Analysis

Author
François Beaufort
Privacy
Privacy Policy
Help
Help Center
Country
IE
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Address
Gordon House Barrow Street Dublin 4 D04 E5W5 IE
Website
Visit
Extensions
32
Active
5
Obsolete
9
Listed
3
Unlisted
29
Users
301,936

Screenshots & videos

Screenshot 1

Install growth

Item
Type
Severity
Description
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
webNavigation
Permission
High
This permission enables monitoring of all browser navigation events and transitions. Rated High because it can track every page visit, navigation method, and browsing pattern, potentially exposing sensitive browsing behavior and user activities.
offscreen
Permission
High
This permission creates hidden browser documents with full DOM access. Rated High because it can run background operations invisibly, potentially executing malicious code without user awareness.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk: • 10% increase: Early script execution enables pre-emptive content manipulation • 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
activeTab
Permission
Medium
This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
sidePanel
Permission
Low
This permission adds custom panels to the browser interface. Rated Low because it only affects browser UI elements and cannot access page content.

396 indicators in this extension

396 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe

About this extension

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

Read the publisher’s full description

⚠️ Go to chrome://flags and enable the "WebMCP for testing" flag in Chrome 146.0.7672.0 or higher.

User reviews

Extension files

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URLs
195
IPv4
1

URLs

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No URLs found
No IP addresses found

396 indicators in this extension

396 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
1.9.19
Latest
0.23 MBNot scanned—
14c38bb848b1dab47c1af2d8e110f2e313b5cbe8d88499e72ab7afaac11af863
1.9.18
0.22 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.17
0.22 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.16
0.22 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.15
0.22 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.13
0.21 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.12
0.12 MBNot scanned—
69e1f1a4b5dc376436ed2a4070e5b1b4350881d4225941deaeb8ad0ab382f73c
1.9.11
0.12 MBNot scanned—
1b48de7a64b17da2dbf0055e48ce85b6548b840e90df20a9ac550e12ba455523
1.9.10
0.12 MBNot scanned—
1b48de7a64b17da2dbf0055e48ce85b6548b840e90df20a9ac550e12ba455523
1.9.7
0.11 MBNot scanned—
1b48de7a64b17da2dbf0055e48ce85b6548b840e90df20a9ac550e12ba455523
Showing 1 to 10 of 20 rows
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Code Diff

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