pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Add `max_tool_concurrency` to `Agent`
- Make Logfire Temporal spans replay-safe
- An approver sees the model's original tool arguments, not the ones that will execute
- Temporal replay re-emits every Pydantic AI span, inflating telemetry 6-13x
- Temporal: allow passing `deps` by reference instead of serializing them into every activity dispatch
- Support Kimi K3 dynamic tool loading as a native `ToolAvailabilityDeltaPart` renderer
- Durable dynamic-tool schema errors retry engine units instead of prompting the model
- `override(tools=...)` is rejected inside a durable workflow or flow by accident, not by design
- Support cache-safe tool *removal* in `ToolAvailabilityDeltaPart`
- `ToolResultEvent` exposes `tool_call_id` but not `tool_name`
- Docs
- Python not yet supported