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Chrome DevTools MCP (2025)

developer.chrome.com

261–266 of 266 posts

Re: Chrome DevTools MCP (2025)

#261
post #60

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Why even use Playwright for this? I feel like Claude just needs agent-browser and it can generate deterministic code from it.

You can just start claude with the —chrome flag too and it will connect to the chrome extension.

Yeah I'm confused why I need something like agent-browser for that. Maybe it uses less tokens.

Re: Chrome DevTools MCP (2025)

#262
post #256
post #252

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yes please! i need a "comment to follow" functionality on HN

i had claude code oneshot it: https://github.com/swyxio/websiteinterceptor

Can I contact you to get some feedback on what I did before I release it?

Re: Chrome DevTools MCP (2025)

#263

The DevTools MCP project just recently landed a standalone CLI: https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/m... Great news to all of us keenly aware of MCP's wild token costs. ;) The CLI hasn't been announced yet (sorry guys!), but it is shipping in the latest v0.20.0 release. (Disclaimer: I used to work on the DevTools team. And I still do, too)

Love the Mitch Hedberg reference! Thank you! Always good to get a little Mitch! ‘I don’t have a girlfriend. But I do know a woman who’d be mad at me for saying that.’ ‘I’m against picketing, but I don’t know how to show it.’ ‘I haven’t slept for ten days, because that would be too long.’ ‘I like to play blackjack. I’m not addicted to gambling. I’m addicted to sitting in a semi-circle.’

"One time, this guy handed me a picture of him. He said, "Here's a picture of me when I was younger." Every picture is of you when you were younger. "Here's a picture of me when I'm older.", "You son of a bitch! How'd you pull that off? Let me see that camera!"

"Alcoholism is a disease, but it’s the only one you can get yelled at for having. 'Goddamn it, Otto, you’re an alcoholic!' 'Goddamn it, Otto, you have lupus!' One of those two doesn’t sound right."

Re: Chrome DevTools MCP (2025)

#264
post #195

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Very interested. Would even pay for an api for this. I am doing something similar with vibium and need something more token efficient.

have you tried vibium's cli + agent skill?

Yes, it's pretty good! I've also written API harnesses for bot-based browser automation so that you can detect fields to fill in, remember where they are for next time you need them, and then if the webpage changes, re-explore and rewrite the tags to remember for the new form fields.

Spoiler: this is to automate ticket submission to my landlord's half-baked web portal, not some kind of nefarious captcha breaking thing.

Re: Chrome DevTools MCP (2025)

#265
post #45

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Yes, please do!

100% I'll response to this by Friday with link to Github. I use Patchright + Ghostery and I have a cleaver tool that uses web sockets to pass 1 second interval screenshots to the a dashboard and pointer / keyboard events to the server which allow interacting with websites so that a user can create authentication that is stored in the chrome user profile with all the cookies, history, local storage, ect.. in the cloud…

I empathize with you in that once you publish a timeline people's expectations can be come unfair; so where is it‽ :)

Re: Chrome DevTools MCP (2025)

#266
post #265

Earlier quoted context omitted.

100% I'll response to this by Friday with link to Github. I use Patchright + Ghostery and I have a cleaver tool that uses web sockets to pass 1 second interval screenshots to the a dashboard and pointer / keyboard events to the server which allow interacting with websites so that a user can create authentication that is stored in the chrome user profile with all the cookies, history, local storage, ect.. in the cloud…

I empathize with you in that once you publish a timeline people's expectations can be come unfair; so where is it‽ :)

It got out of hand :)

It will make a proxy API from any transport from any website using Claude Opus 4.6 -- oneshot

I need help testing it before I share it with everyone.

Can you send message to [HN username]@gmail.com

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