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protocolstandards-formatsv1.0

A2A Agent Cards

by Google · open-source · Last verified 2026-04-24

JSON manifests declaring agent capabilities, endpoints, and auth for A2A discovery.

https://google.github.io/A2A/#/documentation?id=agent-card
D
DPoor
Adoption: C+Quality: B+Freshness: ACitations: FEngagement: F

Specifications

License
Open Source
Pricing
open-source
Capabilities
Integrations
Use Cases
API Available
No
Tags
standard, a2a, agent, discovery
Added
2026-04-24
Completeness
73%

Index Score

34
Adoption
50
Quality
70
Freshness
80
Citations
0
Engagement
0

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