pydantic-ai
https://github.com/pydantic/pydantic-ai
Python
GenAI Agent Framework, the Pydantic way
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- Issues
- Fail-fast option for sequential tool execution (abort downstream tools on upstream failure)
- Make retry-after transport test deterministic
- fix: add explicit encoding='utf-8' to scrub_cassette.py file I/O
- HITL approval signal is a plain bool — hardening proposal (narrow vs proper fix)
- v2: Output functions should be called once on final output during `run_stream()`, not on every partial
- Streaming input to output functions via `AsyncIterable[T]`
- fix(readme): point MCP capability link to its dedicated docs page
- Graceful result with cancelling stream in tool arguments
- Use `httpx2` for internal HTTP (SSRF, `web_fetch`, mermaid)
- Add SQL Mode example and harness docs
- Docs
- Python not yet supported