[
    {
        "id": "mcp-flow-example",
        "type": "tab",
        "label": "Flow-Based MCP Server Example",
        "disabled": false,
        "info": "This flow demonstrates creating a complete MCP server within Node-RED.\n\n**Setup:**\n1. Deploy this flow\n2. The MCP Flow Server will start on port 8001\n3. Test with: curl -X POST http://localhost:8001/mcp -H 'Content-Type: application/json' -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/list\",\"params\":{}}'\n\n**Features:**\n- Complete MCP server running in Node-RED\n- Custom tools defined visually\n- Calculator and greeting tools\n- Auto-start server\n- Tool execution handled by flows"
    },
    {
        "id": "mcp-flow-server-1",
        "type": "mcp-flow-server",
        "z": "mcp-flow-example",
        "name": "Demo MCP Server",
        "serverName": "demo-flow-server",
        "serverPort": 8001,
        "autoStart": true,
        "enableCors": true,
        "x": 180,
        "y": 100,
        "wires": [["tool-execution-router"]]
    },
    {
        "id": "tool-registry-calc",
        "type": "mcp-tool-registry",
        "z": "mcp-flow-example",
        "name": "Calculator Tool",
        "toolName": "calculate_tool",
        "toolDescription": "Perform basic mathematical calculations",
        "toolSchema": "{\n  \"type\": \"object\",\n  \"properties\": {\n    \"operation\": {\n      \"type\": \"string\",\n      \"enum\": [\"add\", \"subtract\", \"multiply\", \"divide\"],\n      \"description\": \"Mathematical operation to perform\"\n    },\n    \"a\": {\n      \"type\": \"number\",\n      \"description\": \"First number\"\n    },\n    \"b\": {\n      \"type\": \"number\",\n      \"description\": \"Second number\"\n    }\n  },\n  \"required\": [\"operation\", \"a\", \"b\"]\n}",
        "autoRegister": true,
        "x": 180,
        "y": 200,
        "wires": [["debug-registry"]]
    },
    {
        "id": "tool-registry-greeting",
        "type": "mcp-tool-registry",
        "z": "mcp-flow-example",
        "name": "Greeting Tool",
        "toolName": "greet_user_tool",
        "toolDescription": "Generate a personalized greeting message",
        "toolSchema": "{\n  \"type\": \"object\",\n  \"properties\": {\n    \"name\": {\n      \"type\": \"string\",\n      \"description\": \"Name of the person to greet\"\n    },\n    \"language\": {\n      \"type\": \"string\",\n      \"enum\": [\"english\", \"spanish\", \"french\"],\n      \"description\": \"Language for the greeting\"\n    },\n    \"formal\": {\n      \"type\": \"boolean\",\n      \"description\": \"Whether to use formal greeting\"\n    }\n  },\n  \"required\": [\"name\"]\n}",
        "autoRegister": true,
        "x": 180,
        "y": 260,
        "wires": [["debug-registry"]]
    },
    {
        "id": "debug-registry",
        "type": "debug",
        "z": "mcp-flow-example",
        "name": "Registry Events",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 430,
        "y": 230,
        "wires": []
    },
    {
        "id": "tool-execution-router",
        "type": "switch",
        "z": "mcp-flow-example",
        "name": "Route Tool Execution",
        "property": "payload.toolName",
        "propertyType": "msg",
        "rules": [
            {
                "t": "eq",
                "v": "calculate_tool",
                "vt": "str"
            },
            {
                "t": "eq",
                "v": "greet_user_tool",
                "vt": "str"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 2,
        "x": 450,
        "y": 100,
        "wires": [["calculator-handler"], ["greeting-handler"]]
    },
    {
        "id": "calculator-handler",
        "type": "function",
        "z": "mcp-flow-example",
        "name": "Calculate",
        "func": "const args = msg.payload.arguments;\nconst { operation, a, b } = args;\n\nlet result;\nswitch (operation) {\n    case 'add':\n        result = a + b;\n        break;\n    case 'subtract':\n        result = a - b;\n        break;\n    case 'multiply':\n        result = a * b;\n        break;\n    case 'divide':\n        if (b === 0) {\n            return {\n                topic: 'mcp-tool-response',\n                payload: {\n                    executionId: msg.payload.executionId,\n                    error: 'Division by zero is not allowed'\n                }\n            };\n        }\n        result = a / b;\n        break;\n    default:\n        return {\n            topic: 'mcp-tool-response',\n            payload: {\n                executionId: msg.payload.executionId,\n                error: 'Unknown operation: ' + operation\n            }\n        };\n}\n\nreturn {\n    topic: 'mcp-tool-response',\n    payload: {\n        executionId: msg.payload.executionId,\n        result: {\n            operation: operation,\n            operands: [a, b],\n            result: result,\n            message: `${a} ${operation} ${b} = ${result}`\n        }\n    }\n};",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 650,
        "y": 60,
        "wires": [["mcp-flow-server-1", "debug-calc"]]
    },
    {
        "id": "greeting-handler",
        "type": "function",
        "z": "mcp-flow-example",
        "name": "Generate Greeting",
        "func": "const args = msg.payload.arguments;\nconst { name, language = 'english', formal = false } = args;\n\nconst greetings = {\n    english: {\n        formal: `Good day, ${name}. It is a pleasure to meet you.`,\n        informal: `Hello ${name}! Nice to meet you!`\n    },\n    spanish: {\n        formal: `Buenos días, ${name}. Es un placer conocerle.`,\n        informal: `¡Hola ${name}! ¡Encantado de conocerte!`\n    },\n    french: {\n        formal: `Bonjour ${name}. C'est un plaisir de vous rencontrer.`,\n        informal: `Salut ${name} ! Ravi de te rencontrer !`\n    }\n};\n\nconst greeting = greetings[language] \n    ? greetings[language][formal ? 'formal' : 'informal']\n    : greetings.english[formal ? 'formal' : 'informal'];\n\nreturn {\n    topic: 'mcp-tool-response',\n    payload: {\n        executionId: msg.payload.executionId,\n        result: {\n            greeting: greeting,\n            name: name,\n            language: language,\n            formal: formal,\n            timestamp: new Date().toISOString()\n        }\n    }\n};",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 670,
        "y": 140,
        "wires": [["mcp-flow-server-1", "debug-greet"]]
    },
    {
        "id": "debug-calc",
        "type": "debug",
        "z": "mcp-flow-example",
        "name": "Calculator Results",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 890,
        "y": 60,
        "wires": []
    },
    {
        "id": "debug-greet",
        "type": "debug",
        "z": "mcp-flow-example",
        "name": "Greeting Results",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 890,
        "y": 140,
        "wires": []
    },
    {
        "id": "test-client",
        "type": "mcp-client",
        "z": "mcp-flow-example",
        "name": "Test Client",
        "serverUrl": "http://localhost:8001",
        "connectionType": "sse",
        "autoConnect": false,
        "reconnect": true,
        "reconnectInterval": 5000,
        "timeout": 30000,
        "x": 170,
        "y": 380,
        "wires": [["debug-test-client"]]
    },
    {
        "id": "debug-test-client",
        "type": "debug",
        "z": "mcp-flow-example",
        "name": "Test Responses",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
        "targetType": "full",
        "statusVal": "",
        "statusType": "auto",
        "x": 390,
        "y": 380,
        "wires": []
    },
    {
        "id": "inject-connect",
        "type": "inject",
        "z": "mcp-flow-example",
        "name": "Connect to Server",
        "props": [
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "connect",
        "x": 120,
        "y": 440,
        "wires": [["test-client"]]
    },
    {
        "id": "inject-test-calc",
        "type": "inject",
        "z": "mcp-flow-example",
        "name": "Test Calculator",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "request",
        "payload": "{\"method\":\"calculate_tool\",\"params\":{\"operation\":\"multiply\",\"a\":7,\"b\":6}}",
        "payloadType": "json",
        "x": 120,
        "y": 500,
        "wires": [["test-client"]]
    },
    {
        "id": "inject-test-greet",
        "type": "inject",
        "z": "mcp-flow-example",
        "name": "Test Greeting",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": 0.1,
        "topic": "request",
        "payload": "{\"method\":\"greet_user_tool\",\"params\":{\"name\":\"Node-RED User\",\"language\":\"spanish\",\"formal\":false}}",
        "payloadType": "json",
        "x": 110,
        "y": 560,
        "wires": [["test-client"]]
    },
    {
        "id": "comment-flow-1",
        "type": "comment",
        "z": "mcp-flow-example",
        "name": "MCP Flow Server",
        "info": "The MCP Flow Server creates a complete MCP server within Node-RED.\nIt automatically handles MCP protocol, serves tools, and manages execution.",
        "x": 150,
        "y": 40,
        "wires": []
    },
    {
        "id": "comment-flow-2",
        "type": "comment",
        "z": "mcp-flow-example",
        "name": "Tool Definitions",
        "info": "Tool Registry nodes define the available tools with their schemas.\nThese are automatically registered with the Flow Server.",
        "x": 150,
        "y": 160,
        "wires": []
    },
    {
        "id": "comment-flow-3",
        "type": "comment",
        "z": "mcp-flow-example",
        "name": "Tool Implementation",
        "info": "Function nodes implement the actual tool logic.\nThey receive tool execution requests and return results to the Flow Server.",
        "x": 500,
        "y": 200,
        "wires": []
    },
    {
        "id": "comment-flow-4",
        "type": "comment",
        "z": "mcp-flow-example",
        "name": "Testing the Server",
        "info": "These nodes demonstrate testing the MCP server we just created.\nThe client connects to our Flow Server and calls the tools we defined.",
        "x": 150,
        "y": 340,
        "wires": []
    }
]