SECURITY REPORT · EXTENSHI SCAN
Claude Usage
Chrome extension·by Manuel Torres
0
/ 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
Claude Usage's safety score vs every other extension we've scanned
Globally
29%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Productivity
55%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 25,973 productivity extensions
Findings
7
median 10Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
57
median 23vs category median
Findings breakdown
Automated security signal · 7 findings across 5 severities
7
findings
detected
detected
Critical229%
High114%
Medium229%
Low229%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Jun 25, 2026
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