Managed Agent (Anthropic cloud runtime) has two agent runtimes behind one mental model: | Runtime | Tools | Use it when | |---|---|---| | WASM (local, ) | / | fast, free, ephemeral, offline, untrusted code in a sandbox | | Managed (Anthropic cloud) | (this skill) | long-running / async work (minutes–hours), a real cloud container with pre-installed packages + network, persistent filesystem + transcript across turns | This skill drives the managed runtime — Anthropic's Claude Managed Agents (beta). The model: Agent (model + system + tools + MCP servers + skills) → Environment (container templa…