Managed Agents API The Managed Agents API lets Anthropic run the agent loop server-side. You POST a user message; they run the tool loop, manage context, and stream results. You lose control but gain simplicity and durability. When to Use - Production agents where you don't want to operate infrastructure - Long-running agents that span hours/days — server-side compaction handles it - Multi-client agents (web + mobile + CLI) sharing sessions - Scaling without worrying about loop-runner uptime When NOT to Use - Agents with heavy client-side context (local files, IDE state) — SDK fits better - Y…