kate
building agents and sandboxes @cloudflare. prev @apple, @ebay. mildly interesting / highly competitive. born in
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had a lot of fun shipping this 🎉 cloudflare sandboxes now support createBackup() and restoreBackup(), so you just backup the workspace and instantly restore a ready-to-go environment and this is just the start; native snapshotting at the container level is coming soon 👀 https://developers.cloudflare.com/change…
🎈Agents SDK v0.5.0 is out! We’ve fully re-written @cloudflare/ai-chat with data parts, persistent tool approvals that survive page refresh and DO hibernation, and maxPersistedMessages to cap SQLite storage More news things: • built-in retries with exponential backoff • protocol control per connection • simpler queue and schedule APIs • persistent chat state and storage limits • major reliability fixes across streaming and hibernation go make cool stuff with it!
we just shipped one of our biggest Agents SDK updates in a while! - 15+ new docs with more examples - interval scheduling with scheduleEvery() - custom routing - callable timeouts - state validation hooks - MCP options api and so much more! go build cool stuff!
say hello to Sandboxes run any command or process, expose URLs, make file operations, stream real-time logs and directly execute python & javascript! spin up secure & scalable sandboxes with a simple SDK http:// sandbox.cloudflare.com
not a wrapper. a full rewrite. on Vite. 4x faster builds 57% smaller bundles one command to deploy vinext by @southpolesteve is the most interesting thing to happen to the Next.js ecosystem in a long time https://blog.cloudflare.com/vinext/
How we rebuilt Next.js with AI in one week
agents x workflows build durable background agents that run for minutes or days, persist state automatically, stream progress in real time, and pause for human approval when needed npm i agents@latest
code mode is the shift @mattzcarey breaks down how our mcp server exposes the entire cloudflare api with ~1k tokens and basically two tools: search + execute https://blog.cloudflare.com/code-mode-mc…
🎈 we've just shipped full PTY support for Sandbox SDK you can now attach to a running sandbox and get a real interactive terminal out of the box support for creating terminals, replaying buffered output, resizing, connection retries go make cool stuff with it!
agents and sandboxes are about to quietly become the backbone of software in 2026 and no one is ready for how big that is