Sebastian Benz's Avatar

Sebastian Benz

@sebabenz

Chrome DevTools & Extensions Developer Relations

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168
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06.11.2024
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Latest posts by Sebastian Benz @sebabenz

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Hi! I made a Chrome extension that highlights creeps from the Epstein emails. Depending on how much news you read on your computer, enabling it might be really depressing.

chromewebstore.google.com/detail/ep-li...

21.02.2026 03:24 ๐Ÿ‘ 39 ๐Ÿ” 9 ๐Ÿ’ฌ 5 ๐Ÿ“Œ 0
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Feature request: Multi-session support for parallel browser instances ยท Issue #926 ยท ChromeDevTools/chrome-devtools-mcp Problem The current MCP server binds to a single Chrome instance for its entire lifetime. This means any MCP client (AI agent, test runner, automation script) can only interact with one browser at ...

Would multi-session support for the Chrome DevTools MCP server be useful for you? ๐Ÿค–โœ–๏ธ๐ŸŒ Chime into the discussion on GitHub: github.com/ChromeDevToo.... Let us know what you think, and tell use about your potential use cases or how you go about them today!

16.02.2026 12:14 ๐Ÿ‘ 1 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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WebMCP is available for early preview ย |ย  Blog ย |ย  Chrome for Developers WebMCP aims to provide a standard way for exposing structured tools, ensuring AI agents can perform actions on your side with increased speed, reliability, and precision.

Chrome launched an early preview of WebMCP, and we're looking for feedback on use-cases, API shape, & more! ๐Ÿš€

WebMCP bridges the gap between AI agents and your website, increasing the performance and reliability of agent interactions.

Join the EPP: developer.chrome.com/blog/webmcp-...

10.02.2026 17:06 ๐Ÿ‘ 10 ๐Ÿ” 4 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Developer Knowledge API ย |ย  Google for Developers The Developer Knowledge API and MCP server provide access to Google's developer knowledge.

The Developer Knowledge API and MCP server is now in public preview. This API includes documentation from across Googleโ€”including the Chrome DevRel sites. developers.google.com/knowledge/api

05.02.2026 17:47 ๐Ÿ‘ 10 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Designing DevTools: Efficient token usage in AI assistance ย |ย  Blog ย |ย  Chrome for Developers Learn how the Chrome Tooling team optimized token usage for AI assistance, and discover techniques for more efficient data usage with LLMs.

Token usage in LLM applications is a huge topic. It dictates response speed, cost efficiency - or the quota left on your plan ๐Ÿ˜„ ๐Ÿชซ Learn how the Chrome DevTools team squeezed a full Performance trace into Gemini in DevTools developer.chrome.com/blog/designi...

30.01.2026 11:44 ๐Ÿ‘ 4 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
How can you keep API keys safe in a Chrome Extension?
How can you keep API keys safe in a Chrome Extension? YouTube video by Chrome for Developers

If youโ€™re using server-side AI models, you usually need an API key to call them. A couple of weeks back I made a video looking at how to handle that in a Chrome extension: youtu.be/pl4pz4nWa3w

15.12.2025 17:40 ๐Ÿ‘ 4 ๐Ÿ” 4 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Let your Coding Agent debug your browser session with Chrome DevTools MCP ย |ย  Blog ย |ย  Chrome for Developers We shipped a new feature to the Chrome DevTools MCP server that is going to make it a lot easier for your coding agent to debug your current browser sessions.

We just shipped an update to the Chrome DevTools MCP server (and Chrome) that I'm really excited about: the ability to connect directly to a running Chrome instance: developer.chrome.com/blog/chrome-...

11.12.2025 14:53 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Follow along with @nickyt.online and @kilianvalkhof.com as they set up the Chrome Dev Tools MCP to work with Polypane!

09.12.2025 15:01 ๐Ÿ‘ 7 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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CSS Wrapped 2025 Sculpt dynamic interfaces, stretch your imagination, and play with these 22 powerful new CSS features that landed in Chrome this year.

๐ŸŽ‰ And we're live! ๐ŸŽ‰

We just launched CSS Wrapped 2025: our annual recap of all things CSS & web UI that landed in Chrome over the course of the year. ๐Ÿš€

This is a big one! We highlighted 22 new features to help you build better on the web.

Check out: chrome.dev/css-wrapped-2025

08.12.2025 17:08 ๐Ÿ‘ 132 ๐Ÿ” 59 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 7
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We asked for your Chrome Extension questions, and you wanted to know about SEO.

From "games" being a top search query to the importance of ratings, we're diving into what drives discovery in the Chrome Web Store โ†’ goo.gle/48hjSH5

01.12.2025 23:00 ๐Ÿ‘ 2 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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What's new in Lighthouse 13 ย |ย  Blog ย |ย  Chrome for Developers Lighthouse 13 is here with the move to Insights audits

Lighthouse 13 has been released and includes the final move to Insights performance audits as announced previously.

developer.chrome.com/blog/lightho...

10.10.2025 11:32 ๐Ÿ‘ 18 ๐Ÿ” 7 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
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Stop guessing and start debugging responsive styles automatically with Chrome DevTools MCP โ†’ goo.gle/3IPT2No

Learn how a coding agent can find a visual bug on a specific device size, analyze the source code, update the CSS, and verify the fix with a live browser screenshot.

09.10.2025 22:00 ๐Ÿ‘ 6 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Your friend has a great idea for a Chrome Extension. (We know, we heard it ๐Ÿ˜‰)

Now it's your turn. What will you build with our multimodal AI APIs? The Google Chrome Built-in AI Challenge 2025 is on.

Submit your idea โ†’ goo.gle/ChromeAIChallenge2025

30.09.2025 20:00 ๐Ÿ‘ 2 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Googleโ€™s @jackf.io is speaking at the London MCP Dev Summit ๐ŸŽค

Topic: Lessons learned building the Chrome DevTools MCP Server

๐Ÿ‘‰ Donโ€™t miss it: buff.ly/MwmiH5E (early bird pricing ends in 2 days!)

#MCPservers #DevToolsAI

29.08.2025 13:50 ๐Ÿ‘ 8 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Announcing our public preview of Chrome DevTools MCP! Experience the full power of DevTools in your AI coding agentโ†’ goo.gle/4pDE6Tk

With Chrome DevTools MCP, your AI agent can run performance traces, inspect the DOM, & perform real-time debugging of your web pages.

23.09.2025 15:00 ๐Ÿ‘ 37 ๐Ÿ” 22 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 2
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From the chrome_extensions community on Reddit: Ask the Google Chrome team about building extensions! Explore this post and more from the chrome_extensions community

Got questions about building Chrome Extensions? Weโ€™re recording some new videos for the @developer.chrome.com channel in October, and Iโ€™d love suggestions for topics we should cover: www.reddit.com/r/chrome_ext...

17.09.2025 11:12 ๐Ÿ‘ 10 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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The Proofreader API ย |ย  AI on Chrome ย |ย  Chrome for Developers Improve your content readability and grammar with the Proofreader API.

On the Chrome team, we've a cool new origin trial for you to try in your apps: the Proofreader API: developer.chrome.com/docs/ai/proo....

โŒ tyop โ†’ โœ… typo

```js
await (await Proofreader.create({
expectedInputLanguages: ['en'],
})).proofread(
'Let us knwo how it foes',
);
```

#BuiltInAI #WebAI

16.09.2025 07:21 ๐Ÿ‘ 24 ๐Ÿ” 5 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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The wait is over! The Google Chrome Built-in AI Challenge 2025 is here.

Today's the day to start building with our built-in AI APIs. Create a web app or Chrome Extension to compete for our $70K prize pool.

Let the coding commence โ†’ goo.gle/ChromeAIChallenge2025

09.09.2025 16:00 ๐Ÿ‘ 3 ๐Ÿ” 4 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
baseline status now inline on hover for css properties

baseline status now inline on hover for css properties

New in Chrome DevTools: Instantly check CSS feature compatibility with Baseline!

Chrome DevTools now displays the Baseline status for CSS properties right in the Elements panel - Baseline gives you clear info about which web features are ready to use today.

22.08.2025 18:03 ๐Ÿ‘ 126 ๐Ÿ” 38 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 1

I know some people in the web community are concerned that Baseline will discourage devs from using new featuresโ€”or anything not "Widely Available".

Personally, I'm not worried about that at all. If anything, I think Baseline will speed up new feature adoption!

Here's why ๐Ÿงต

13.08.2025 04:08 ๐Ÿ‘ 19 ๐Ÿ” 7 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1

WarnWetter from Deutscher Wetterdienst. Itโ€™s paid, but worth the money imo. Theyโ€™ve been forced to offer a paid version as theyโ€™re state funded and otherwise wouldโ€™ve been an unfair competitionโ€ฆ (this also gives me confidence that tracking is less of a problem).

07.07.2025 12:37 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Web animations today and tomorrow
Web animations today and tomorrow YouTube video by Chrome for Developers

My #GoogleIO video โ€œWeb animations today and tomorrowโ€ has been published.

Check out this session to learn how to guide, inform, and delight users by adding subtle and supportive animations to your web UIs.

www.youtube.com/watch?v=UcXW...

22.05.2025 04:18 ๐Ÿ‘ 61 ๐Ÿ” 13 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
Practical built-in AI with Gemini Nano in Chrome
Practical built-in AI with Gemini Nano in Chrome YouTube video by Chrome for Developers

My #GoogleIO talk "Practical built-in Al with Gemini Nano in Chrome" is live: youtu.be/CjpZCWYrSxM?.... Learn about the following new APIs and see partner demos:

๐Ÿ”ฎ Prompt API
โ€ฆwith image input ๐Ÿ–ผ๏ธ
โ€ฆwith audio input ๐Ÿ‘‚
โ€ฆwith textual input ๐Ÿ”ค
๐Ÿ–Š๏ธ Writing Assistance APIs
๐Ÿ—ฃ๏ธ Translation API
โœ”๏ธ Proofreading API

22.05.2025 04:36 ๐Ÿ‘ 17 ๐Ÿ” 9 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Hire him while you can

15.05.2025 13:15 ๐Ÿ‘ 8 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Live metrics screen from the Chrome DevTools Performance panel.

Live metrics screen from the Chrome DevTools Performance panel.

Live Metrics screen feedback request!

It's been about 6 months since we launched the Live Metrics screen in Chrome DevTools so a good time to step back and ask for any feedback on it.

Do you use it? What's good about it? What could be improved about it?

06.05.2025 20:29 ๐Ÿ‘ 13 ๐Ÿ” 6 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 1
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New video! In this one I show you how to build a whack-a-mole extension, featuring a cameo from @samdutton.bsky.social among others!

www.youtube.com/watch?v=lUHN...

02.04.2025 20:47 ๐Ÿ‘ 8 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Senior Developer Advocate, Chrome โ€” Google Careers

My team is hiring!

Come join us as
a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.

The position is in Waterloo - Canada

www.google.com/about/career...

17.03.2025 22:58 ๐Ÿ‘ 25 ๐Ÿ” 12 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
Senior Developer Advocate, Chrome โ€” Google Careers

Great news. We have a new position on the team for a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.

The position is in Waterloo - Canada

www.google.com/about/career...

17.03.2025 19:12 ๐Ÿ‘ 57 ๐Ÿ” 23 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1
Yo dawg, I heard you like summaries, so here's a blog post on summary of summaries

Yo dawg, I heard you like summaries, so here's a blog post on summary of summaries

Yo Dawg, I heard you like to use AI to generate Summaries, so @alexandrascript.com and I have put together a blog post on summarizing your summaries to overcome context window limitations of the Summarizer API and get awesome summaries: developer.chrome.com/docs/ai/scal... #webai #builtinai

12.03.2025 17:19 ๐Ÿ‘ 5 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐ŸŽ‰ Chrome 134 is here! What's new in #ChromeDevTools

๐Ÿ” New: Privacy and security panel
๐Ÿ“ˆ Calibrated CPU throttling for #webperf analysis
๐Ÿฅ‡ Dim 3rd-party scripts in performance traces

....and more! Update Chrome and try them out! developer.chrome.com/blog/new-in-...

04.03.2025 09:15 ๐Ÿ‘ 24 ๐Ÿ” 5 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 2