A live demo with sample data: look around, nothing can be changed. Start a free trial or self-host it.

All calls

book_flight

Tool call,

How it ended

Invalid argumentsin 1.5ms

The tool's schema refused the arguments before the handler ran.

Recorded

Everything mcpspan holds about this call

Kind
Tool
Called
Received
, 148h 50m later
Client
Cursor (cursor-vscode 1.0.0)
Server version
1.3.0
Session
Every call in it
Invalid arguments
passengers
Answer size
Not measured
SDK
mcpspan 0.5.0

Parameters

Names and types only, never values

NameSent as
flightstring
paymentobject
passengersnumber

Around it

Event id, as the SDK sent it

0c1a287c-46d6-4d66-a39d-629e276423b8