JSON-RPC

• used by
  • MCP / Model Context Protocol
  • LSP https://microsoft.github.io/language-server-protocol/
    • https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/
  • Ethereum

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "foo",
  "params": {}
}