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anthropic Anthropic Python SDK Releases · · 1.5.0

Anthropic Python SDK v1.5.0 Introduces Managed Agent and Tooling Enhancements

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feature patch

Anthropic has released version 1.5.0 of its Python SDK, introducing several new features and bug fixes. This update enhances Managed Agent capabilities with auto mode tool permissions and support for mounting public GitHub repositories without explicit authorization. It also improves developer experience by allowing direct tool object acceptance in API calls and adding a beta value for user profiles. The release includes security-related fixes for credential files and error handling for large content with the web_fetch tool.

  • →add auto mode tool permissions for Managed Agents
  • →add content_too_large web_fetch tool error code
  • →add the user-profiles-2026-09-04 beta value and external_user_details to user profiles
  • →support mounting public GitHub repositories without an authorization_token in Managed Agents sessions
  • →add Message.to_param() and BetaMessage.to_param()
Features (7) ›
  • api add auto mode tool permissions for Managed Agents
    62aa21b
  • api add content_too_large web_fetch tool error code
    4b5dec6
  • api add the user-profiles-2026-09-04 beta value and external_user_details to user profiles
    5f881a5
  • api support mounting public GitHub repositories without an authorization_token in Managed Agents sessions
    285937c
  • client add Message.to_param() and BetaMessage.to_param()
    192a2b2
  • credentials add CredentialsError and IdentityTokenFileError
    9acd79f
  • tools accept tool objects directly in messages.create, parse, stream and count_tokens
    ebd2fc5
Fixes (4) ›
  • client merge extra_body before client hooks run
    7aaf887
  • credentials refuse credentials files accessible by group or others
    7af3e2b
  • streaming keep partial tool input JSON off content blocks
    4605bca
  • types leave parsed_output out of dumped text blocks
    ca0706d
Maintenance (8) ›
  • client clean up the unused idempotency request option
    c97830c
  • client keep the idempotency_key request option as a deprecated no-op
    #621c2ab92e
  • docs correct the environment scope field description
    b903ee0
  • internal remove generated file header comments
    ae671f8
  • internal restore package version
    f3aefc7
  • internal restore package version
    e3c70e8
  • internal stop stamping the package version into generated files
    e7a6a28
  • tests restore empty test package marker files
    0803af0
Read the original announcement →

https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.5.0

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