Strands Agents SDK 发布 harness-python v0.2.0
原标题：harness-python/v0.2.0
AI 摘要
Strands Agents SDK 发布 harness-python v0.2.0，主要新增双向流式（bidi）API 正式毕业、vended subagent 工具、MCP 工具客户端访问器、多智能体策略迁移至 SDK、Agent.shutdown() 清理机制等特性。同时修复了嵌套 agent-as-tool 中断恢复、MCP 连接断开挂起、缓存 token 统计、Gemini/Bedrock/Anthropic 适配等问题。该版本显著增强了多智能体、双向流式与 MCP 集成能力。
正文节选
## harness-python/v0.2.0 _Auto-drafted from commits in `harness-python/v0.1.2..harness-python/v0.2.0`, grouped by conventional-commit type. Edit on the release page after publish if you want a polished writeup; the canonical release notes live on the website._ ### 🚀 Features - feat(mcp): expose tool client accessor (#4863) (1556ede43) - feat: add vended subagent tool (#4841) (f076964ee) - feat(mcp/ts): restore legacy task execution on the SDK 2.x client (#4711) (d9c971a31) - feat(ts): port mc