David Mytton
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davidmytton.social
David Mytton
@davidmytton.social
Building the security platform that ships with your code at http://arcjet.com. Writing the http://console.dev devtools newsletter.
Capability-based sandboxing in Wasm can lock down the external communication leg of @simonwillison.net's AI lethal trifecta.

Private data via APIs + user prompt (untrusted content) + no fetch capability.

This is what Microsoft is going for with Wassette

opensource.microsoft.com/blog/2025/08...
August 12, 2025 at 10:23 AM
Moving to NYC! 🇺🇸 Packing the essentials
August 5, 2025 at 3:25 PM
So many JS runtimes. Node.js. Edge runtime. Bun. Deno. workerd. At least one of these has already been deprecated, which is an issue if you've built your entire app around its APIs!
August 2, 2025 at 12:53 PM
A prize to anyone who can name all my laptop stickers 👀

www.youtube.com/watch?v=Cuem...
August 1, 2025 at 11:37 PM
Love the minimalism of iCloud Mail on the web especially now it has primary inbox, and dark mode that works properly. Gmail's "dark" theme really is terrible - the web UI is such a mess.
November 12, 2024 at 9:59 AM
Great seeing so many developers and founders interested in devtools & infra on Monday at the first console.dev San Francisco devtools meetup!
November 1, 2024 at 2:34 PM