a2a-jsonrpc-transport
A2A JSON-RPC 2.0 Transport
Before writing code
Fetch live docs:
- Fetch
https://a2a-protocol.org/latest/specification/for the transport layer section - Web-search
site:github.com a2aproject A2A JSON-RPC transportfor transport protocol details - Fetch
https://www.jsonrpc.org/specificationfor the JSON-RPC 2.0 base specification - Fetch SDK docs for transport-level classes and middleware
Conceptual Architecture
Why JSON-RPC 2.0
A2A uses JSON-RPC 2.0 as its transport protocol because:
- Simple — Lightweight request/response format
- Standard — Well-established protocol with broad tooling support
- Language-agnostic — Works with any language that handles JSON over HTTP
- Extensible — Custom methods without changing the protocol
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