pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Fix `ALLOW_MODEL_REQUESTS` guards for embeddings
- Include toolset id in durable runtime toolset rejection error
- Bedrock Mantle parallel streaming cross-wires tool names and arguments with GPT5.x models
- Add `pydantic_ai.history_repair.*` instrumentation attributes
- Expose OpenAI Responses phase on the streamed `PartStartEvent`
- feat(mcp): Add stateless mode for deferred MCP initialization
- Send mid-conversation system prompts as native `system` messages on Anthropic
- Stop advertising tool search for capability-owned deferred tools on Anthropic
- Accept multimodal inputs in `Embedder`
- [aw] Pydantic AI Stale Issues Finder failed
- Docs
- Python not yet supported