SECURITY REPORT · EXTENSHI SCAN
Substack Archive Search - Substack Post Indexer
Chrome extension·by Neo Cortex
57
/ 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
Substack Archive Search - Substack Post Indexer's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
5%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
45
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
141
median 14vs category median
Findings breakdown
Automated security signal · 45 distinct issues across 6 severities
45
distinct issues
detected
detected
Critical37%
High12%
Needs Review00%
Medium3987%
Low24%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
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Scan performed by extenshi.io · Aug 19, 2026
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