Claude Agent Sdk Python

AI release Oct 22, 2026

Claude Agent Sdk Python 0.2.172

PyPI

AI release Oct 21, 2026

Claude Agent Sdk Python 0.2.170

Fixed parallel tool calls being dropped from session message history, ensuring all concurrent tool branches are captured

AI release Oct 15, 2026

Claude Agent Sdk Python 0.2.168

PyPI

AI release Oct 14, 2026

Claude Agent Sdk Python 0.2.167

PyPI

AI release Oct 14, 2026

Claude Agent Sdk Python 0.2.166

Adds typed hook output classes, replacing untyped dicts; Relevant for developers building custom hooks against the SDK

AI release Oct 8, 2026

Claude Agent Sdk Python 0.2.165

Updated bundled Claude CLI to version 2.1.294 and improved release monitoring with Slack alerts for build failures

AI release Oct 6, 2026

Claude Agent Sdk Python 0.2.164

PyPI

AI release Sep 30, 2026

Claude Agent Sdk Python 0.2.163

Updates bundled Claude CLI to 2.1.286; Pins CI model version to avoid default-model triage failures

AI release Sep 23, 2026

Claude Agent Sdk Python 0.2.158

Adds ClaudeAgentOptions.verbatim_prompts option, defaults to False

AI release Sep 17, 2026

Claude Agent Sdk Python 0.2.154

Bundles Claude CLI version 2.1.274

AI release Aug 28, 2026

Claude Agent Sdk Python 0.2.147

Bundles Claude CLI version 2.1.250

AI release Jul 22, 2026

Claude Agent Sdk Python 0.2.126

SDK now surfaces query termination reasons and properly types model usage with provider identification for cross-provider model tracking

AI release Jul 11, 2026

Claude Agent Sdk Python 0.2.116

Bundles Claude CLI 2.1.207; Fixes CI workspace trust for project-scoped permission grants