pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- `VercelAIAdapter.load_messages` merges two user `UIMessage`s into one `ModelRequest`
- A model selector reads the prompt before any capability hook, so an `InputGuardrail` cannot cover the selector request
- Document running agents in GitHub Actions with `pydantic/pydantic-ai-action`
- Preserve Vercel AI `ToolReturn` metadata across serialization
- Add a task-led Pydantic AI cookbook
- Add a Webz.io News Search common tool
- Add AtlasCloudProvider for the Atlas Cloud gateway
- Route Jev (TypeSafeModel) through OpenRouter's Decisions API
- Record the capabilities and toolsets in use on agent run spans
- Measure output modes per model before changing any `ModelProfile` default
- Docs
- Python not yet supported