pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Truncate large tool results and let model read the rest (in chunks) via a new tool
- MCP Tool result audience annotation is ignored
- Support building eval datasets from Logfire production traces
- Exposing tool calls for A2A agents without duplicating existing Pydantic AI functionality
- feat: Add file_ids support to CodeExecutionTool for Anthropic and OpenAI
- Replace asyncio with anyio for async task management
- Support file uploads for Anthropic CodeExecutionTool via Files API
- Add structured stream output check for Gemini
- Support nested deferred tool calls, i.e. subagents or code mode calling tools that require approval
- Handle Anthropic `stop_reason=pause_turn` and OpenAI background mode
- Docs
- Python not yet supported