A2A Validation Playground
Test your agent cards against the A2A specification in real-time
Agent Card Editor
Edit your agent card JSON below or select a sample to get started
Validation Results
See how your agent card performs against the A2A specification
Click "Validate Agent Card" to see results
Quick Tips
• Required fields: name, description, url, protocolVersion, skills
• Protocol version should be "0.3.0" for selected spec
• v0.3.0 requires: capabilities, defaultInputModes, defaultOutputModes
• Each skill must have id, name, description, and tags
• Use the samples above to see valid structures