Firefox MCP Server

MCP server providing browser automation capabilities through Firefox. Enables AI agents to navigate web pages, interact with browser UI elements, extract page content, take screenshots, and automate web workflows using Firefox as the browser engine — an alternative to Chrome/Puppeteer-based browser MCPs.

Evaluated Mar 06, 2026 (0d ago) vcurrent

Homepage ↗ Repo ↗ Developer Tools firefox browser-automation web-scraping mcp-server playwright selenium web-testing

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

100

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

Browser automation. Handle web credentials carefully. Review scraping ToS. HTTPS for external requests.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

A developer wants browser automation with Firefox — either for Firefox-specific testing, privacy-conscious browsing (Firefox's tracking protection), or as a Chrome alternative for web automation agents.

Avoid When

Your web automation use case is better served by Chrome-based tools (Playwright, Puppeteer) which have wider compatibility and stronger ecosystem support.

Use Cases

• Web navigation and content extraction from research and data gathering agents
• Form filling and web workflow automation from browser automation agents
• Screenshot capture and visual web testing from QA agents
• Web scraping with JavaScript execution from data extraction agents

Not For

• Sites with bot protection that blocks Firefox automation (use stealth modes)
• Scale web scraping requiring headless browser pools
• Platforms where Chrome/Chromium is preferred for compatibility

Interface

REST API

GraphQL

gRPC

MCP Server

Yes ↗

SDK

Webhooks

Authentication

Methods: none

OAuth: No Scopes: No

No authentication — local Firefox automation. Sites visited may require their own authentication.

Pricing

Model: free

Free tier: Yes

Requires CC: No

Free open source. Firefox is free. No costs.

Agent Metadata

Pagination

none

Idempotent

Partial

Retry Guidance

Not documented

Known Gotchas

⚠ Firefox requires installation — headless mode needs geckodriver
⚠ JavaScript-heavy pages may need explicit wait conditions — implement proper wait strategies
⚠ Web scraping may violate site ToS — review terms before autonomous agent use
⚠ Community tool with moderate adoption — test thoroughly with target sites

Alternatives

playwright-mcp-server puppeteer-mcp-server browser-use-mcp

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Firefox MCP Server.

$99

API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-03-06.