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SECURITY REPORT · EXTENSHI SCAN

Browser Driver MCP

Chrome extension·by Spiffcode
72
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

Browser Driver MCP's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
22%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
19
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
11
median 3Declared in manifest
Active users
0
median 14vs category median

Findings breakdown

Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected

Permissions requested

5 risky permissions of 11 total
2 critical permissions require attention
This extension requests 11 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
Critical
Browser debugger access

Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol

Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Manage downloads

Can initiate downloads and access your download history

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Manage tab groups

Can create and manage tab groups

Low
Schedule tasks

Can schedule periodic background tasks

Low
Create offscreen documents

Can create hidden documents for background processing tasks

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Scan performed by extenshi.io · Oct 14, 2026
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