Agents Week opened with empty talk. @cloudflare/computer is the first real meat - an open library that gives the agent a file system, git, and code execution. The lightweight mode carries most of the work; a real Linux container only fires up for the heavy stuff.
- @cloudflare/computer is open source (npm, GitHub), in early preview: a virtual file system on top of SQLite, git, shell, and tools compatible with the AI SDK.
- Two environments: lightweight isolates for the quick work, a full Linux container for the heavy work; the library routes the task itself - per Cloudflare, isolates handle about 90%.
- The same day: Workers RPC now runs between Python and JavaScript.
We were waiting for something concrete. Here it is. When Cloudflare announced Agents Week, we passed on it - just an intro, zero substance. Now the substance has arrived, and it's exactly the kind that counts.
Their thesis is right and simple: a container for every agent doesn't scale. The container is the universal reflex, but it's expensive, and most agent work is small - read a file, run a command, save the result. Do it in a lightweight environment and call up a container only when needed - the same math we see with the new models too: you pay for the full machine only when you actually need it.
Agent infrastructure is no longer an edge - it's now a commodity off the shelf. The difference is moving up the stack, to what you actually have the agent do and how you check the result. And one thing to keep in mind before you put it somewhere important: early preview means early preview. Test it small. Nothing critical on it, for now.