microsandbox

introducing microsandbox. fast, local sandboxes built for agents that ship. 🚢 every agent needs to run code somewhere. we made that somewhere, and it shouldn’t always be the cloud.

microsandbox now has a "what’s wrong?" and an "undo the update" command. - msb doctor for diagnostics. - msb self downgrade for safe rollbacks.

checkout our docs for more examples: docs.microsandbox.dev/getting-starte…

good way to start the week 🎉 microsandbox@0.6 now runs natively on windows x86-64 and arm64. no WSL needed. backed by the windows hypervisor platform on both archs, so you get lightweight linux microVMs straight on windows 10 & 11. programmable network policies and secrets protection, baked in. available via the CLI and every SDK. try it today with: npx microsandbox run debian

I ended up building a light REST API around @microsandbox because it has everything I need. I can now easily run it as a side car to any web apps that need a sandbox in my docker compose. Simple. github.com/mark3labs/msbd

@stroemseng can’t wait for you to try it :)

How haven’t I heard of this before, looks like the sandbox I’ve been wanting!

@microsandbox @vercel I’ve created internal tooling for sandboxing all agent workflows in just 2 days, and it all just works flawlessly all the time. I‘d never have thought it could be **that** easy.

@kauffinger @vercel love hearing this. 2 days, that's the dream! 🙏

Eve ships with microsandbox as a built-in sandbox backend. "It is the closest local match to hosted Vercel Sandbox." — Vercel amazing launch @vercel 🔥

@microsandbox @vercel Thanks for an amazing tool!

@cramforce @vercel means a lot. excited to see what people build with Eve 🔥

#backends" target="_blank" rel="nofollow noopener">eve.dev/docs/sandbox#b…

5/ v0.5.7 also tightens network and agent edges: - plain-HTTP secret substitution covers more request shapes - violation logs include more context - SDK users can access raw agent socket paths - fixes for early proxy exits, IPv6 DAD, and memory balloon stats

4/ Metrics got more useful for running sandboxes. msb metrics and SDK metrics now report guest-aware CPU, memory, disk, and network samples from runtime/VMM sources, so the numbers match what the sandbox is actually doing.

1/ Microsandbox v0.5.7 is out. The headline: persistent sandbox storage is now a one-command flow. No separate volume create step: msb run --mount-named docker-data:/var/lib/docker docker:dind Changelog: docs.microsandbox.dev/changelog/2026…

these all builds up to something big and exciting ... local-first, but fully cloud compatible sandboxes, just as we promised! can't wait to share all the details sooon. 😃 we're gradually inviting folks to our private beta. interested? join the waitlist: #waitlist" target="_blank" rel="nofollow noopener">microsandbox.dev/#waitlist

wondering what else shipped this week? checkout out this week's changelog: docs.microsandbox.dev/changelog/2026…

🧵microsandbox 0.5.5 is out, and we're grinning. 🎉 you can now stream live per-sandbox metrics to any OTLP backend, offline import images from docker, amongst other things we're excited about. 👇