Verified80% confidenceFactTime unknown
A2A introduces the concept of an Agent Card, where each Agent publishes a structured capability declaration document describing the task types it can handle, input/output formats, and authentication requirements.
6
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80%
Confidence
Long-term
Relevance
6/1/2026
First Seen
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Related Claims
UnverifiedA2A协议基于HTTP/SSE构建，引入了Agent Card概念，每个Agent发布描述自身能力的元数据卡片80% similarUnverifiedA2A应用层包含四大要素：Agent Card、Task、Message和Artifact77% similarUnverified01Agent is an AI tool that automatically converts links or documents into Xiaohongshu image-text cards, with a process that includes content reading, analysis and option confirmation.72% similarUnverifiedA2A achieves self-declaration and discovery of agent capabilities through the "Agent Card" mechanism, where each agent can expose a standardized .well-known/agent.json endpoint.72% similarVerifiedAn Agent Card is a standardized business card for agents in the A2A protocol, declaring capabilities, input/output schemas, authentication methods, and other information in JSON format, without exposing the internal model and tool implementations.72% similar
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