pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Support tool metadata in the Vercel AI adapter
- Groq, Mistral, and Hugging Face streaming merges text after a tool call into the pre-tool-call TextPart
- fix: preserve text part boundaries after tool calls in Groq, Mistral, and Hugging Face streaming
- Decide whether `openai_unsupported_model_settings` should warn on drop, as `AnthropicModel` does
- Include `_set_graph_name` for `graph_builder.py::Graph`
- GoogleModel drops WebSearchTool.blocked_domains, though google-genai now exposes GoogleSearch.exclude_domains
- Default `clai` to `openai:gpt-5.6-terra`
- Reduce capability traceback depth and exception-local serialization overhead
- Vercel AI stream surface has no carrier for tool outcome claims — echoed turns reload `retried` as `failed`
- Refactor `tests/test_capability...` into `tests/capabilities/test_...` + set a token guard to keep test files below 10k tokens
- Docs
- Python not yet supported