feat: API docs for mcp (#24424)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/controllers/mcp/__init__.py

@@ -1,8 +1,20 @@
 from flask import Blueprint
+from flask_restx import Namespace
 
 from libs.external_api import ExternalApi
 
 bp = Blueprint("mcp", __name__, url_prefix="/mcp")
-api = ExternalApi(bp)
+
+api = ExternalApi(
+    bp,
+    version="1.0",
+    title="MCP API",
+    description="API for Model Context Protocol operations",
+    doc="/docs",  # Enable Swagger UI at /mcp/docs
+)
+
+mcp_ns = Namespace("mcp", description="MCP operations")
 
 from . import mcp
+
+api.add_namespace(mcp_ns)