Function buildJSONRPCRequest

cmd/mcpcurl/main.go:358–377

buildJSONRPCRequest creates a JSON-RPC request with the given tool name and arguments

(method, toolName string, arguments map[string]any)

// buildJSONRPCRequest creates a JSON-RPC request with the given tool name and arguments
func buildJSONRPCRequest(method, toolName string, arguments map[string]any) (string, error) {
	id, err := rand.Int(rand.Reader, big.NewInt(10000))
	if err != nil {
		return "", fmt.Errorf("failed to generate random ID: %w", err)
	}
	request := JSONRPCRequest{
		JSONRPC: "2.0",
		ID:      int(id.Int64()), // Random ID between 0 and 9999
		Method:  method,
		Params: RequestParams{
			Name:      toolName,
			Arguments: arguments,
		},
	}
	jsonData, err := json.Marshal(request)
	if err != nil {
		return "", fmt.Errorf("failed to marshal JSON request: %w", err)
	}
	return string(jsonData), nil
}

// executeServerCommand runs the specified command, performs the MCP initialization
// handshake, sends the JSON request to stdin, and returns the response from stdout.