pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- [provider-mapping-sweep] bedrock: add citationsContent block / citation delta mapping (currently unmapped, not yet reachable via public API)
- Cancellation semantics: a level-triggered contract for agent runs, streams, tools, and durable execution
- Re-probe scheduled model shutdowns before removing model names
- fix(mcp): inherit agent retries in `MCPToolset.tool_for_tool_def`
- Add `codex:` model support with Codex subscription authentication
- Reduce quadratic string assembly in streamed response parts
- Add first-class Codex subscription authentication
- Scope `MCPToolset` sessions to the entering context so concurrent callers don't share auth identity
- Render `RetryPromptPart` so the model can tell validation feedback from a user message
- Reduce overhead in Google streamed response handling
- Docs
- Python not yet supported