typesafe-adblock: Fun project: a Chrome extension that asks a tiny AI decision model (TypeSafe Jev) is this DOM element an ad

by realZachi · Agent Tool · ★ 94

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Security audit verdict: SAFE · quality 65/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars94
Forks10
LanguageJavaScript
CategoryAgent Tool
LicenseMIT
Quality Score65/100
Open Issues1
Last Updated2026-09-17
Created2026-09-17
Platformsbrowser, node
Est. Tokens~5k

About typesafe-adblock

TypeSafe Fun AdBlocker 🧹 A Chrome extension (Manifest V3) that spots ads on any website in real time and pops their DOM elements out of the page. The semantic call, "is this element an ad?", is made by TypeSafe AI's System One model Jev. Everything else is plain code. This is a fun side project, not a real ad blocker.

Compatible Skills

These tools work well together with typesafe-adblock for enhanced workflows:

  • real-browser-mcp — semantic(0.22)+complementary+same_lang+similar_pop+shared_platform (58%)
  • image-reader — semantic(0.21)+complementary+same_lang+similar_pop+shared_platform (57%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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