@arizeai/phoenix-mcp

from phoenix.client import Client client = Client() # Add a single note to a span result = client.spans.add_span_note( span_id="72dda197b0e1b3ef", note="This span shows interesting behavior that warrants further investigation.", ) print(f"Note created with ID: {result['id']}") # Multiple notes can be added to the same span # Each note gets a unique timestamp-based identifier automatically result2 = client.spans.add_span_note( span_id="72dda197b0e1b3ef", note="Follow-up: investigated and found the issue was related to timeout settings.", ) print(f"Second note created with ID: {result2['id']}")