head to head · open source
chrome-devtools-mcp vs peerjs
chrome-devtools-mcp has 54,665 GitHub stars, 5,250 forks, 109 open issues and last shipped yesterday. peerjs has 13,501 stars, 1,460 forks, 201 open issues and last shipped 8 months ago. chrome-devtools-mcp leads on adoption by 305% (54,665 vs 13,501 stars). chrome-devtools-mcp is written in TypeScript under Apache-2.0; peerjs is written in TypeScript under MIT. chrome-devtools-mcp has attracted 10% as many forks as stars, peerjs 11%. chrome-devtools-mcp 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 | peerjs | |
|---|---|---|
| GitHub stars | ★ 55K | ★ 14K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-02-27 |
| Forks | ⑂ 5.3K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick chrome-devtools-mcp if
- You weight community size — 55K 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 peerjs if
- You want the peerjs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and peerjs fits your workflow better
About chrome-devtools-mcp
Chrome DevTools for agents Chrome DevTools for agents ( chrome devtools mcp ) lets your coding agent (such as Antigravity, Claude, Cursor or Copilot) control and inspect a live Chrome browser. It acts as a Model Context Protocol (MCP) server, giving your AI coding assistant access to the full power of Chrome DevTools for reliable automation, in depth debugging, and performance analysis. A [CLI][cli] is also provided for use without MCP. [Tool reference][tool reference] [Changelog][changelog] [Contributing][contributing] [Troubleshooting][troubleshooting] [Design Principles][design principles] Key features Get…
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About peerjs
PeerJS: Simple peer to peer with WebRTC PeerJS provides a complete, configurable, and easy to use peer to peer API built on top of WebRTC, supporting both data channels and media streams. Live Example Here's an example application that uses both media and data connections: The example also uses its own PeerServer. Special Announcement: We now have a Discord Channel There we plan to discuss roadmaps, feature requests, and more Join us today Setup Include the library with npm: npm install peerjs with yarn: yarn add peerjs Create a Peer Data connections Connect Receive Media calls Call Answer Running tests Browser…
read the full peerjs overview →
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Frequently asked questions
Is chrome-devtools-mcp or peerjs more popular?
chrome-devtools-mcp has 54,665 GitHub stars and peerjs has 13,501. chrome-devtools-mcp has the larger community by that measure.
Are chrome-devtools-mcp and peerjs free?
Both are open source. chrome-devtools-mcp is licensed under Apache-2.0 and peerjs under MIT. Neither carries a licence fee.
What is the difference between chrome-devtools-mcp and peerjs?
chrome-devtools-mcp is written in TypeScript and peerjs in TypeScript. 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 peerjs?
Choose chrome-devtools-mcp if you want the larger community (54,665 stars) or its Apache-2.0 licence terms. Choose peerjs if its feature set, stack or MIT licence fits better. Both are self-hostable.