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Title: Support is_error flag for tool results by zuhabul · Pull Request #2566 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: Support is_error flag for tool results by zuhabul · Pull Request #2566 · modelcontextprotocol/python-sdk

X Title: Support is_error flag for tool results by zuhabul · Pull Request #2566 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - Support is_error flag for tool results by zuhabul · Pull Request #2566 · modelcontextprotocol/python-sdk

Open Graph Description: Fixes #348 — allow tools to return (unstructured_content, structured_content, is_error) so non-text results (e.g., images) can be marked as errors. Also document the behavior in docs/migration.md.

X Description: Fixes #348 — allow tools to return (unstructured_content, structured_content, is_error) so non-text results (e.g., images) can be marked as errors. Also document the behavior in docs/migration.md.

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2566

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Support is_error flag for structured tool results (fixes #348)\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>https://github.com/modelcontextprotocol/python-sdk/pull/2566/commits/2a6c5886fcf6671cba8fcb9750572834ab6b8374
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