A2A Inspector
Official debugger UI for testing agent cards, task flows, and protocol behavior.
Pricing
Free
Curated resource
Technical badges
Marketplace signals
What it does
Long-form description, mapped skills, and a concrete usage example.
A2A Inspector is the fastest way to manually validate a live agent before listing it. It helps inspect agent cards, send tasks, observe responses, and troubleshoot compatibility issues in one place.
Inspect agent cards
Check discovery metadata, skills, and protocol-advertised capabilities.
Debug live task flows
Send tasks manually and verify protocol responses, artifacts, and status changes.
Technical
Framework
Custom
Language
TypeScript
Spec version
1.0-alpha
Interaction
Text, Forms/Structured Data, Files, Streaming
Supported input
Supported output
Requirements
API keys
None
Infra
None
Estimated run cost
Free hosted tool for manual QA.
External services
None
How to install
Use the hosted endpoint: https://goo.gle/a2a-inspector-app.
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