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SDK code mode shows SotA accuracy and performance for agents using APIs

calendar_today March 1, 2026 person domain stainless

Code execution is a new technique to power MCP tools through LLM-generated code. Stainless has observed that a technique we call “SDK code mode” provides state-of-the-art performance and accuracy for MCP tools that expose an API. Learn how SDK code mode works, and check out our eval results in this post.

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