head to head · open source
chrome-devtools-mcp vs badssl.com
chrome-devtools-mcp has 52,222 GitHub stars, 4,037 forks, 109 open issues and last shipped yesterday. badssl.com has 3,047 stars, 204 forks, 210 open issues and last shipped 4 months ago. chrome-devtools-mcp leads on adoption by 1,614% (52,222 vs 3,047 stars). chrome-devtools-mcp is written in TypeScript under Apache-2.0; badssl.com is written in HTML under Apache-2.0. chrome-devtools-mcp has attracted 8% as many forks as stars, badssl.com 7%. chrome-devtools-mcp was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (browser, chrome), 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 | badssl.com | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 3.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | HTML |
| Last push | 2026-09-18 | 2026-06-01 |
| Forks | ⑂ 4.0K | ⑂ 204 |
| 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 badssl.com if
- You want the badssl.com feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches HTML
- You evaluated both and badssl.com 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 badssl.com
badssl.com is an openly licensed, community maintained collection of deliberately misconfigured TLS endpoints — served at https://badssl.com and developed in the chromium/badssl.com repository — for developers, security engineers, and browser or HTTP client authors who need to verify how their software reacts to expired, self signed, mixed content, and otherwise invalid certificates.
read the full badssl.com overview →
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Frequently asked questions
Is chrome-devtools-mcp or badssl.com more popular?
chrome-devtools-mcp has 52,222 GitHub stars and badssl.com has 3,047. chrome-devtools-mcp has the larger community by that measure.
Are chrome-devtools-mcp and badssl.com free?
Both are open source. chrome-devtools-mcp is licensed under Apache-2.0 and badssl.com under Apache-2.0. Neither carries a licence fee.
What is the difference between chrome-devtools-mcp and badssl.com?
chrome-devtools-mcp is written in TypeScript and badssl.com in HTML. 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 badssl.com?
Choose chrome-devtools-mcp if you want the larger community (52,222 stars) or its Apache-2.0 licence terms. Choose badssl.com if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.