pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- fix(vercel_ai): skip stale `approval-responded` when tool already executed (#5154)
- Gateway: Model ID translation in custom routing groups
- Gateway: Adaptive routing — latency-aware provider selection
- Tracking: v2 change inventory
- iter_tool_approval_responses yields stale approval-responded parts for already-executed tools on continuation rounds
- (tentative) Move per-connection MCP metadata (`server_info`, `capabilities`, `instructions`) onto `_MCPConnectionState`
- When processing `tool_return` data in AG-UI, support for the `MultiModalContent` type is required
- Accept thinking-only responses when output_type allows None
- Agentic Tasks and runtime ephemeral deps
- Feat: Agent Functional API / Decorator
- Docs
- Python not yet supported