# Anthropic Python SDK v1.5.0

Category: model-behavior
Published: 2026-09-10T17:45:22Z
Source: [Anthropic Python SDK releases](https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.5.0)
Agent usefulness: 94/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-30T00:17:32.526Z
Tags: anthropic, sdk, python

## Human Summary
Anthropic Python SDK releases published Anthropic Python SDK v1.5.0. 1.5.0 (2026-09-10) Full Changelog: v1.4.0...v1.5.0 Features 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 (…

## Agent Summary
Treat Anthropic Python SDK v1.5.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Anthropic Python SDK releases published Anthropic Python SDK v1.5.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 1.5.0 (2026-09-10) Full Changelog: v1.4.0...v1.5.0 Features 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 ) Bug Fixes 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…

## Recommended actions
- Review the official Anthropic Python SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.