head to head · open source
chrome-devtools-mcp vs percy
chrome-devtools-mcp has 52,288 GitHub stars, 4,176 forks, 109 open issues and last shipped yesterday. percy has 2,315 stars, 84 forks, 44 open issues and last shipped 25 days ago. chrome-devtools-mcp leads on adoption by 2,159% (52,288 vs 2,315 stars). chrome-devtools-mcp is written in TypeScript under Apache-2.0; percy is written in Rust under Apache-2.0. chrome-devtools-mcp has attracted 8% as many forks as stars, percy 4%. 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 | percy | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 2.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-09-18 | 2026-08-25 |
| Forks | ⑂ 4.2K | ⑂ 84 |
| 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 percy if
- You want the percy feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and percy 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 percy
Percy is a Rust library and build workflow for creating frontend browser applications that compile to WebAssembly, with support for server side rendering, aimed at Rust developers who want to write client side, server side, or isomorphic web apps without leaving Rust.
read the full percy overview →
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Frequently asked questions
Is chrome-devtools-mcp or percy more popular?
chrome-devtools-mcp has 52,288 GitHub stars and percy has 2,315. chrome-devtools-mcp has the larger community by that measure.
Are chrome-devtools-mcp and percy free?
Both are open source. chrome-devtools-mcp is licensed under Apache-2.0 and percy under Apache-2.0. Neither carries a licence fee.
What is the difference between chrome-devtools-mcp and percy?
chrome-devtools-mcp is written in TypeScript and percy in Rust. 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 percy?
Choose chrome-devtools-mcp if you want the larger community (52,288 stars) or its Apache-2.0 licence terms. Choose percy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.