Anthropic PHP SDK v0.57.0 adds Managed Agents workflows and multiagent config
Anthropic released anthropic-sdk-php v0.57.0. The update adds API types for Chat and Cowork unified analytics metrics, plus workflows, multiagent configuration, and thread status filtering for Managed Agents. It also fixes the client to throw before sending a request with an empty path parameter, and notes Claude Console spend-limit listing is in early access.
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