Upload mcp_server_fastmcp.py

EasyReportDataMCP/mcp_server_fastmcp.py

@@ -390,12 +390,13 @@ if __name__ == "__main__":
                 else:
                     return JSONResponse({"jsonrpc": "2.0", "id": json_data.get("id"), "error": {"code": -32601, "message": f"Unknown tool: {tool_name}"}}, status_code=200)
                 
-                # Return MCP-formatted response
+                # Return MCP-formatted response with JSON serialization
+                import json as json_module
                 return JSONResponse({
                     "jsonrpc": "2.0",
                     "id": json_data.get("id"),
                     "result": {
-                        "content": [{"type": "text", "text": str(result)}]
+                        "content": [{"type": "text", "text": json_module.dumps(result, ensure_ascii=False)}]
                     }
                 }, status_code=200)
             elif method == "tools/list":
@@ -407,6 +408,8 @@ if __name__ == "__main__":
             else:
                 return JSONResponse({"jsonrpc": "2.0", "id": json_data.get("id"), "error": {"code": -32601, "message": f"Unknown method: {method}"}}, status_code=200)
         except Exception as e:
+            import traceback
+            traceback.print_exc()
             return JSONResponse({"jsonrpc": "2.0", "id": 1, "error": {"code": -32603, "message": str(e)}}, status_code=500)
     
     async def run_custom_sse():