SECURITY REPORT · EXTENSHI SCAN
MCP Inspector
Chrome extension·by namnhutdinh
50
/ 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
MCP Inspector's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 392,440 extensions
In Productivity
2%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 188,570 productivity extensions
Findings
58
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
3
median 14vs category median
Findings breakdown
Automated security signal · 58 distinct issues across 6 severities
58
distinct issues
detected
detected
Critical12%
High610%
Needs Review00%
Medium2848%
Low2340%
Info00%
Permissions requested
2 risky permissions of 6 total
1 critical permission require attention
This extension requests 6 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Low
Use side panel
Can display content in the browser side panel
Are you the author of MCP Inspector?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show MCP Inspector's live security score on GitHub or in your docs
Scan performed by extenshi.io · Sep 20, 2026
Browser extensions made transparent.