FSB: DOM-first AI browser automation for Chrome and MCP clients

by fullselfbrowsing · MCP Server · ★ 191

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

How to install FSB

git clone https://github.com/fullselfbrowsing/FSB.git
npx -y fsb-mcp-server@latest install --claude-desktop

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 66/100

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. Full audit →

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.

agentsautomationbrowser-agentchrome-extensionfull-self-browsinglatticemanifest-v3mcp

Quick Facts

Stars191
Forks15
LanguageJavaScript
CategoryMCP Server
LicenseMIT
Quality Score66/100
Open Issues6
Last Updated2026-10-09
Created2025-07-29
Platformsbrowser, cli, mcp, node
Est. Tokens~22k

About FSB

FSB v0.9.91 Full Self Browsing AI-powered browser automation through natural language. Tell it what to do, and watch it browse for you. Pure structural intelligence. Zero vision. Zero guessing. What's New · Quick Start · MCP Server · Architecture · [Providers](#ai

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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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