head to head · open source
chrome-devtools-mcp vs firefox-ios
chrome-devtools-mcp has 52,197 GitHub stars, 3,990 forks, 109 open issues and last shipped yesterday. firefox-ios has 13,039 stars, 3,265 forks, 1,827 open issues and last shipped yesterday. chrome-devtools-mcp leads on adoption by 300% (52,197 vs 13,039 stars). chrome-devtools-mcp is written in TypeScript under Apache-2.0; firefox-ios is written in Swift under MPL-2.0. chrome-devtools-mcp has attracted 8% as many forks as stars, firefox-ios 25%. firefox-ios was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| chrome-devtools-mcp | firefox-ios | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 13K |
| License | Apache-2.0 | MPL-2.0 |
| Written in | TypeScript | Swift |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.0K | ⑂ 3.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick chrome-devtools-mcp if
- You weight community size — 52K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick firefox-ios if
- You want the firefox-ios feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Swift
- You evaluated both and firefox-ios fits your workflow better
About chrome-devtools-mcp
chrome devtools mcp is an Apache 2.0 TypeScript Model Context Protocol server, distributed on npm, that gives coding agents such as Claude, Cursor, Copilot and Antigravity control over and visibility into a live Chrome browser through the full Chrome DevTools toolset.
read the full chrome-devtools-mcp overview →
About firefox-ios
Firefox for iOS is the Mozilla maintained, Swift written monorepo that holds the complete source for the Firefox and Focus browsers on Apple's mobile platform, released under the Mozilla Public License 2.0 and intended for iOS engineers, Mozilla contributors, and anyone who wants to build, audit, or modify the browser running on an iPhone or iPad.
read the full firefox-ios overview →
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Frequently asked questions
Is chrome-devtools-mcp or firefox-ios more popular?
chrome-devtools-mcp has 52,197 GitHub stars and firefox-ios has 13,039. chrome-devtools-mcp has the larger community by that measure.
Are chrome-devtools-mcp and firefox-ios free?
Both are open source. chrome-devtools-mcp is licensed under Apache-2.0 and firefox-ios under MPL-2.0. Neither carries a licence fee.
What is the difference between chrome-devtools-mcp and firefox-ios?
chrome-devtools-mcp is written in TypeScript and firefox-ios in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, chrome-devtools-mcp or firefox-ios?
Choose chrome-devtools-mcp if you want the larger community (52,197 stars) or its Apache-2.0 licence terms. Choose firefox-ios if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.