jev-browser: Browser use using Typesafe's Jev model

by jkudish · AI Tool · ★ 367

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install jev-browser

npx -y @jkudish/jev-browser --help
claude mcp add jev-browser -- npx -y @jkudish/jev-browser

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 62/100

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

Stars367
Forks35
LanguageJavaScript
CategoryAI Tool
LicenseMIT
Quality Score62/100
Open Issues2
Last Updated2026-10-30
Created2026-09-17
Platformsbrowser, node
Est. Tokens~16k

About jev-browser

Jev Browser Fast and very cheap browser use using TypeSafe's Jev model. Give jev-browser a task and a URL. It drives a real headless browser through an MCP server, CLI, or library. TypeSafe's Jev model picks one action per step from the page's clickable, typeable, and selectable elements, and scores how likely it is that the goal is met or the run is stuck.

Compatible Skills

These tools work well together with jev-browser for enhanced workflows:

  • CloakBrowser — semantic(0.18)+complementary+shared_fw(playwright)+same_lang+similar_pop+shared_platform (64%)
  • pi-jev — semantic(0.38)+complementary+same_lang+similar_pop+shared_platform (63%)

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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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