Files, Agent Skills, and the Admin API leave beta
On August 19, Anthropic moved a large part of the Claude platform from beta to general availability. The Files API no longer requires a beta header and gains file expiry through expires_in_seconds, pagination, and filtering by identifier, alongside a terabyte of storage per organization and a limit of 500 requests per minute. Agent Skills and the accompanying Skills API also became generally available, so skills now load through the Messages API without a single beta header. Managed Agents gain allow and block lists of domains for search and content fetching, and the session viewer in the console was redesigned with a timeline minimap and an Inspector panel. Anyone building an agent over client content gets three critical parts of the API that stop being a moving target.
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