ServerToolResult

Implement the model contract and normalize usage and stream output. See the guide.

class zett_agent.model.ServerToolResult(call_id, name, output=None, error_code=None)

Terminal output from a tool executed inside the provider.

Parameters:

• call_id (str)

• name (str)

• output (Any)

• error_code (str | None)

call_id: str

Invocation identifier matching ServerToolCall.id.

name: str

Provider tool name matching the corresponding start event.

output: Any

Provider result payload; its shape remains tool-specific.

error_code: str | None

Stable provider error code when the hosted tool failed.