gecko-mcp

Drive Firefox-based browsers (Floorp, LibreWolf, Zen, Waterfox, Mullvad, Firefox) from any MCP client — read pages, screenshot, click, fill forms and manage tabs in your real session, over Marionette/WebDriver. OS input & JS eval locked by default.

→ Frumane/gecko-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

// known CVEs in dependencies2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configFLOORP_PATH— Full path to floorp.exe for launch_floorp.

configMARIONETTE_PORT— with a matching . Force a backend with GECKO_MCP_BACKEND=marionette.

configNO_COLOR

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/frumane-gecko-mcp-1sd2hy)](https://m8ven.ai/mcp/frumane-gecko-mcp-1sd2hy)

commit: 8159fc5a59de0f3252c5fd6368bf1a39d269acb3

code hash: 353dd406cfc8dbfa68ed28288234faef84789d44799c31f41a8cd3e6e9db383e

verified: 6/21/2026, 10:24:58 AM

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