You don't need Managed Agents: Messages API plus tool calls suffice, dev shows how

PawelHuryn · x · 2026-11-09

PawelHuryn argues you don't need Claude Managed Agents or the Agent SDK to build agents: a simple Messages API with tool calls that return to your app is enough. He released a free, MIT-licensed reference implementation.

Related event: Developer Open-Sources Free Claude Skill for Embedded Agents, Ditches Agent SDK(3 posts)→

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