pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Process `StopRun` outputs through the output pipeline
- Add `ToolOutput(buffered=True)` for incremental output tools
- Support `OnlineEvaluation` capability in `TemporalAgent` (durable execution)
- Optionally expose MCP resources to the model as tools on `MCPToolset`
- feat(instrumentation): classify tool-call argument validation failures on spans
- feat(profiles): `prompt_cache_retention` + `prompt_cache_outlook()` cold-window helper
- fix(cli): make command name consistent between entry point, `--help`, and docs
- Add `timestamp` to `ToolCallPart` or `FunctionToolCallEvent`
- docs: reposition README and docs index around the agent harness framing
- feat(FallbackModel): attribute failures to models and support `(exception, model)` `fallback_on`
- Docs
- Python not yet supported