anthropics/claude-agent-sdk-python v0.1.49

on GitHub

New Features

• AgentDefinition: Added skills, memory, and mcpServers fields (#684)
• AssistantMessage usage: Preserve per-turn usage on AssistantMessage (#685)
• Session tagging: Added tag_session() with Unicode sanitization (#670)
• Session renaming: Added rename_session() (#668)
• RateLimitEvent: Added typed RateLimitEvent message (#648)

Bug Fixes

• CLAUDE_CODE_ENTRYPOINT: Use default-if-absent semantics to match TS SDK (#686)
• Fine-grained tool streaming: Reverted the env-var workaround from 0.1.48; partial-message delivery is now handled upstream (#671)

Internal/Other Changes

• Updated bundled Claude CLI to version 2.1.77
• Added macOS x86_64 wheel to the published matrix (#661)
• Upload wheel-check artifacts in CI (#662)
• Docs: clarified allowed_tools as a permission allowlist (#649)

PyPI: https://pypi.org/project/claude-agent-sdk/0.1.49/

pip install claude-agent-sdk==0.1.49