Local file uploads, clearer errors, and improved client compatibility

Published: September 30, 2026

v2.37.0

New Features

  • dataset_assets_upload_from_file tool: Prepare one-use URLs for uploading local image and file assets.

Improvements

  • File uploads: Clearer errors for rejected files or upload options and missing destinations, with guidance for preparing a new upload URL.
  • Tool input validation: Errors for unexpected keys now name the keys and list the keys the object accepts across tools with strict inputs. Examples include a stray schemaId on create_documents, or ifRevisionID instead of ifRevisionId on patch_documents or publish_documents, so calls can be corrected instead of guessed at.

Fixes

  • MCP client compatibility: Workflow fields and patch insertion schemas now work with clients that require explicit value types.
  • dataset_assets_upload_from_url and media_assets_upload_from_url tools: Fixed the filename input breaking clients with strict regex validation, such as OpenAI, which rejected the whole tool list.

Related documentation

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