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SECURITY REPORT · EXTENSHI SCAN

Omnibox Search with Anthropic

Firefox extension·by Chloe for Claude
81
/ 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

Omnibox Search with Anthropic's safety score vs every other extension we've scanned
Globally
42%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,596 extensions
In Social & Communication
23%of social & communication extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 13,678 social & communication extensions
Findings
12
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
4370
median 3vs category median

Findings breakdown

Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected

Permissions requested

1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
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
Add context menu items

Can add custom items to the right-click context menu

Medium
Write to clipboard

Can place content onto your clipboard

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Info
https://claude.ai/*

No additional information available.

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Scan performed by extenshi.io · Sep 27, 2026
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