tools-call-echo.request.json

{"jsonrpc":"2.0","id":23,"method":"tools/call","params":{"name":"echo","arguments":{"text":"hi"},"_meta":{"io.modelcontextprotocol/protocolVersion":"2026-07-28","io.modelcontextprotocol/clientInfo":{"name":"golden-client","version":"1.0"},"io.modelcontextprotocol/clientCapabilities":{}}}}