Issues · anthropics/anthropic-sdk-python · GitHub

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[BUG] MCP connector: parallel mcp_tool_use calls stall ~300s per turn; one call per batch runs twice

#1747

· Moosapoor opened

on Jul 9, 2026

environments work poller: ack-before-yield makes any consumer failure permanently strand the work item — request deferred ack or a nack/fail API

#1746

· arcaputo3 opened

on Jul 7, 2026

Managed Agents: intermittent 400 "does not match any agent.tool_use event" confirming a tool_use on a non-primary session_thread_id

#1744

· nadavshohat opened

on Jul 7, 2026

CRITICAL BUG: Claude Code Fable model spawns unkillable zombie sub-agents (Infinite spawn loop causing system crash & quota drain)

#1739

· bajzaa975 opened

on Jul 6, 2026

AnthropicAWS.copy() rejects credentials=None, breaking the self-hosted environment poller/worker on Claude Platform on AWS

#1736

· csantanapr opened

on Jul 6, 2026

Design Pattern: Defensive Validation at API Consumption Boundaries

#1732

· RG255 opened

on Jul 3, 2026

Feature request: AnthropicDatabricks adapter (like AnthropicBedrock)

#1724

· cuchaga opened

on Jul 1, 2026

[BUG] PydanticSerializationUnexpectedValue warnings on every `message_stop` event when streaming

#1715

· lizradway opened

on Jun 29, 2026

ededededededede

#1710

· hcbwhcbcg1c opened

on Jun 25, 2026

[Bug]: Auth handshake returns fatal 403 "This organization has been disabled" on active paid Pro container

#1700

· mrvirus5639-art opened

on Jun 22, 2026

Configuring web_search/web_fetch in agent_toolset_20260401 breaks a co-declared mcp_toolset

#1687

· jpsorensen-asimov opened

on Jun 19, 2026

Feature: Official Claude Code MCP Server Implementation

#1681

· abhinaykrupa opened

on Jun 16, 2026