Unverified90% confidenceFactTime unknown
A2A协议的传输层使用JSON-RPC 2.0走HTTPS，长任务用Server-Sent Events做流式更新或Webhook做异步通知，版本0.3还加了gRPC支持
1
Sources
90%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
A2A协议详解：与MCP互补，构建多智能体协作的标准通信层
bilibili老傅1024
Related Entities
Related Claims
UnverifiedJSON-RPC 2.0 相比 1.0 引入了具名参数、批量调用和更完善的错误码体系69% similarUnverified大语言模型的API接口（如OpenAI的Chat Completions API、Anthropic的Messages API）通常采用HTTP REST协议，返回JSON格式数据，并支持Server-Sent Events流式输出65% similarUnverifiedJSON RPC是一种轻量级远程过程调用协议，使用JSON作为数据格式，请求体包含三个固定字段：method（方法名）、params（参数）和id（请求标识符）64% similarUnverifiedMCP使用JSON-RPC作为通信底层，相比GraphQL、gRPC、WebSocket在调试和实现层面具有极简主义优势，每条消息都是人类可读的纯文本JSON64% similarUnverifiedIn Streamable HTTP, clients send JSON-RPC requests to the server via HTTP POST, and the server can choose to return a plain JSON response or upgrade to an SSE streaming response.62% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/21983API
curl https://kongchang.com/api/v1/knowledge/claims/21983MCP
get_claim(id=21983)