SECURITY REPORT · EXTENSHI SCAN
Access Anthropic's Claude from Sidebar!
Firefox extension·by Jadon Mason
79
/ 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
Access Anthropic's Claude from Sidebar!'s safety score vs every other extension we've scanned
Globally
35%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,596 extensions
In Appearance
11%of appearance extensions carry more risk
Riskier ←→ Safer
Ranked against 18,954 appearance extensions
Findings
8
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 2Declared in manifest
Active users
5345
median 3vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical113%
High225%
Needs Review00%
Medium450%
Low113%
Info00%
Permissions requested
3 risky permissions of 3 total
1 critical permission require attention
This extension requests 3 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
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Scan performed by extenshi.io · Aug 9, 2026
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