Agno v2.8.6 发布：新增 TTS 工具、OpenSearch 支持及性能优化

AI 摘要

Agno 发布了 v2.8.6 版本，新增了 Smallest AI 文本转语音工具包、AgentOS 的指标刷新状态查询接口，以及 OpenSearch 向量数据库支持。同时优化了工具包装性能，修复了指标刷新阻塞和编码问题。

正文节选

# Changelog ## New Features - **Smallest AI**: Added `SmallestTools`, a text-to-speech toolkit for Smallest AI with `text_to_speech` (returns audio as a `ToolResult` artifact, optionally saved to disk) and `get_voices`. Supports the `lightning_v3.1` and `lightning_v3.1_pro` models. - **AgentOS**: Added `GET /metrics/refresh/status` to observe background metrics refreshes: - Reports `idle`, `running`, `completed` or `failed` with `started_at`, `finished_at` and `error`, so clients can

发布时间：2026-07-30 21:51

抓取时间：2026-08-02 00:23

来源机构：Agno