SECURITY REPORT · EXTENSHI SCAN
MFC Lookup
Firefox extension·by Adamovix
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
MFC Lookup's safety score vs every other extension we've scanned
Globally
46%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Games Entertainment
20%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 8,778 games entertainment extensions
Findings
20
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
15
median 3Declared in manifest
Active users
1
median 4vs category median
Findings breakdown
Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1785%
Low315%
Info00%
Permissions requested
15 permissions declared
No risky permissions
15 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Hide tabs
Can hide or show browser tabs
Info
*://*.amiami.com/*
No additional information available.
Info
*://*.1999.co.jp/*
No additional information available.
Info
*://*.hobby-genki.com/*
No additional information available.
Info
*://*.plazajapan.com/*
No additional information available.
Info
*://*.goodsmileus.com/*
No additional information available.
Info
*://*.nin-nin-game.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 17, 2026
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