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SECURITY REPORT · EXTENSHI SCAN

Browser MCP - Automate your browser using VS Code, Cursor, Claude, and more

Chrome extension·by Browser MCP
52
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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 MCP - Automate your browser using VS Code, Cursor, Claude, and more's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
3%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
89
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
100000
median 14vs category median

Findings breakdown

Automated security signal · 89 distinct issues across 6 severities
89
distinct issues
detected
Scanners reported 104 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 3 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

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
View open tabs

Can see URLs and titles of all open tabs

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

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Scan performed by extenshi.io · Jul 31, 2026
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