vessel-browser: Built from the ground-up for agents, Vessel Browser is an open source AI browser for Linux/Mac/Windows

by unmodeled-tyler · MCP Server · ★ 131

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

How to install vessel-browser

npm install -g @quanta-intellect/vessel-browser
npx @quanta-intellect/vessel-browser

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 73/100

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.

agentsai-agentsai-browserai-browser-automationai-mcp-browserai-web-browserautonomous-agentsbyokclaude-mcpcodex-mcp

Quick Facts

Stars131
Forks13
LanguageTypeScript
CategoryMCP Server
LicenseMIT
Quality Score73/100
Open Issues8
Last Updated2026-09-15
Created2026-03-07
Platformsbrowser, claude-code, codex, mcp, node
Est. Tokens~21k

About vessel-browser

Vessel: Your Agent's Browser Open source chromium-based browser for persistent web agents. Linux is the most mature install target today, and macOS release packaging is available from source. Vessel gives external agent harnesses a real browser with durable state, MCP control, and a human-visible supervisory UI.

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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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