feat: Implement Streamable-HTTP Client Basic

client/http.go

@@ -0,0 +1,25 @@
+package client
+
+import (
+	"fmt"
+	"github.com/mark3labs/mcp-go/client/transport"
+)
+
+// NewStreamableHttpClient creates a new streamable-http-based MCP client with the given base URL.
+// Returns an error if the URL is invalid.
+func NewStreamableHttpClient(baseURL string, options ...transport.StreamableHTTPCOption) (*Client, error) {
+	trans, err := transport.NewStreamableHTTP(baseURL, options...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create SSE transport: %w", err)
+	}
+	return NewClient(trans), nil
+}
+
+// GetSessionID returns the current session ID for the Streamable HTTP connection.
+//
+// Note: This method only works with Streamable HTTP transport, or it will panic.
+func GetSessionID(c *Client) string {
+	t := c.GetTransport()
+	sse := t.(*transport.StreamableHTTP)
+	return sse.GetSessionId()
+}