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Head to head

Firefox Addons vs SeleniumBase MCP

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Firefox Addonsio.github.mrfentmen/firefox-addons-mcp
C
No reviews yet

Search Firefox browser extensions on AMO. No key required.

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SeleniumBase MCPio.github.seleniumbase/seleniumbase
A
No reviews yet

Stealthy browser automation, testing, and web-scraping via CDP Mode.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours SeleniumBase MCP (86/100 against 65). SeleniumBase MCP has noticeably more public adoption.

 Firefox AddonsSeleniumBase MCP
User ratingNo reviews yetNo reviews yet
Safety gradeC65/100A86/100
Adoption—Widely used
GitHub stars–13k
Downloads / week–314k
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools2—
Write actions——
Price per callFreeFree
LicenceMITMIT
Last release—2026-09-18
CategoryScraping and browsingScraping and browsing

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