Vibe Coding
Agent Skills and the Skills API Go GA, No Beta Header Required
As of Aug 19, Agent Skills and the `/v1/skills` endpoints are generally available on the Claude API. Messages API requests that load Skills through the `container` parameter no longer need the `skills-2025-10-02` beta header, though requests still sending it keep working unchanged. The versioned-instruction-package format that started as a Claude Code convention is now a first-class API primitive you can upload, version and mount per session.
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