anthropics/claude-agent-sdk-python

Stars: 8.1k
Forks: 1.3k
Open beginner issues: 0
Indexed issues: 188
Avg merge: 2d 31m
Merged PRs (30d): 1

Dominant language: Python
License: MIT
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

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188 open issues indexed

Hook/progress messages corrupt parentUuid chain causing one-message delay Open

anthropics/claude-agent-sdk-python#566 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Support context_management.edits with pause_after_compaction Open

anthropics/claude-agent-sdk-python#570 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ClaudeSDKClient silently hangs when reused across ASGI request tasks (FastAPI/Starlette) Open

anthropics/claude-agent-sdk-python#576 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Agent Teams: Subagent SendMessage not delivered to team lead in SDK mode Open

anthropics/claude-agent-sdk-python#577 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Add context_management (clear_thinking + clear_tool_uses) as first-class ClaudeAgentOptions parameter Open

anthropics/claude-agent-sdk-python#581 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Support individual skill permissions like CLI (Skill(name) patterns) Open

anthropics/claude-agent-sdk-python#582 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[SECURITY] Edit tool reads file content before PreToolUse hook validation, allowing content probing Open

anthropics/claude-agent-sdk-python#604 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Incorrect total_cost_usd being returned by the SDK. Open

anthropics/claude-agent-sdk-python#609 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Prompt Caching Support in Claude Agent SDK Open

anthropics/claude-agent-sdk-python#626 · 4 comments · 17 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Subagents appear to stop with no reason Open

anthropics/claude-agent-sdk-python#627 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature Request] Add Code Execution Tool Container Support to Agent SDK Open

anthropics/claude-agent-sdk-python#647 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature request: expose tool_choice parameter in ClaudeAgentOptions Open

anthropics/claude-agent-sdk-python#655 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
Feature request: configurable API response timeout for subagent calls Open

anthropics/claude-agent-sdk-python#666 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Custom ANTHROPIC_BASE_URL ignored when used with LiteLLM + SAP AI Core Open

anthropics/claude-agent-sdk-python#677 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
output_format + resume is broken (or unsupported) at the CLI level Open

anthropics/claude-agent-sdk-python#682 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow SDK MCP Servers to return structured data Open

anthropics/claude-agent-sdk-python#695 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow starting other agents from sub-agents Open

anthropics/claude-agent-sdk-python#697 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
structured_output not present in the ResultMessage block if certain tool calls happen after StructuredOutput block Open

anthropics/claude-agent-sdk-python#709 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Claude says that I send an empty message but I didn't Open

anthropics/claude-agent-sdk-python#710 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Bug: Long-running subagent returns agentId with SendMessage hint, but SendMessage tool does not exist Open

anthropics/claude-agent-sdk-python#716 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PreToolUse hook updatedInput has no effect on AskUserQuestion tool Open

anthropics/claude-agent-sdk-python#767 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bypassPermissions mode does not execute settings.json shell hooks Open

anthropics/claude-agent-sdk-python#768 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature: session lifecycle hooks for context compaction and window threshold events Open

anthropics/claude-agent-sdk-python#772 · 10 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
ExitPlanMode terminates the current SDK turn — no tool execution possible after exiting plan mode Open

anthropics/claude-agent-sdk-python#774 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
StructuredOutput gets in a loop Open

anthropics/claude-agent-sdk-python#775 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 14, 2026
Bug: Missing `content[type="thinking"]` in Python Agent SDK agent-conversation JSONL (0.1.35+) Open

anthropics/claude-agent-sdk-python#777 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Title: PostToolUse hook updatedMCPToolOutput causes H.reduce is not a function in renderer despite correct hook output Open

anthropics/claude-agent-sdk-python#781 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Will a Java version of the SDK be released？ Open

anthropics/claude-agent-sdk-python#783 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Background task notification leaks into next turn after receive_response() Open

anthropics/claude-agent-sdk-python#788 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Openrouter is not supported with claude code Open

anthropics/claude-agent-sdk-python#789 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 14, 2026
receive_response() streams tool results as UserMessage, causing agent loops Open

anthropics/claude-agent-sdk-python#792 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Error context destroyed through exception flattening — CLI failures produce unhelpful 'Command failed with exit code 1' Open

anthropics/claude-agent-sdk-python#798 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Agent response undefined is not an object (evaluating '$.speed') Open

anthropics/claude-agent-sdk-python#801 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve cross-user prompt cache sharing with `--exclude-dynamic-system-prompt-sections` Open

anthropics/claude-agent-sdk-python#807 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
continue_conversation=True starts a new session instead of resuming the previous one Open

anthropics/claude-agent-sdk-python#809 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Safety concern: Claude agent lost user funds via unverified blockchain transfer Open

anthropics/claude-agent-sdk-python#811 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Agent SDK should handle 429 rate limits gracefully instead of crashing Open

anthropics/claude-agent-sdk-python#812 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Inconsistent behavior of disable-model-invocation: true between Claude Code and Agent SDK Open

anthropics/claude-agent-sdk-python#814 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Ability to Use ClaudeSDK Client from multiple async contexts Open

anthropics/claude-agent-sdk-python#815 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
feat: expose session context to SDK MCP tool handlers Open

anthropics/claude-agent-sdk-python#823 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ClaudeAgentOptions.effort typings are outdated, and CLI validation failures are surfaced as opaque ProcessError Open

anthropics/claude-agent-sdk-python#834 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Allow opting into additional anthropic-beta headers (e.g. token-efficient-tools-2025-02-19) Open

anthropics/claude-agent-sdk-python#845 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature Request] Seed externally-persisted conversation history into a fresh ClaudeSDKClient as role-based messages Open

anthropics/claude-agent-sdk-python#848 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
setting_sources=[] does not filter OAuth-fetched claude.ai-account MCP servers Open

anthropics/claude-agent-sdk-python#853 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
get_session_info() returns no AI-generated title for sessions created via the Python SDK Open

anthropics/claude-agent-sdk-python#854 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Invalid tool_use.id format during session resume causes API 400 error Open

anthropics/claude-agent-sdk-python#856 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
bwrap sandbox does not mount /etc/hosts — breaks localhost DNS resolution in containers Open

anthropics/claude-agent-sdk-python#861 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Multi-pod HITL: no recovery mechanism when pod crashes during `can_use_tool` wait Open

anthropics/claude-agent-sdk-python#871 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is plan state preserved when resuming via `SessionStore` + `materialize_resume_session()`? Open

anthropics/claude-agent-sdk-python#872 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature: Expose advisor_20260301 on AgentDefinition Open

anthropics/claude-agent-sdk-python#875 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026

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