构建自定义n8n工作流MCP服务器
高级
这是一个Other, AI, IT Ops领域的自动化工作流，包含 46 个节点。主要使用 If, N8n, Set, Redis, Filter 等节点，结合人工智能技术实现智能自动化。 构建自定义n8n工作流MCP服务器
前置要求
- •Redis 服务器连接信息
- •OpenAI API Key
使用的节点 (46)
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"meta": {
"instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "e3ed1048-bad0-4e91-bfb5-aef3e1883de4",
"name": "简化工作流",
"type": "n8n-nodes-base.set",
"position": [
-1740,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "821226b0-12ad-4d1d-81c3-dfa3c286cce4",
"name": "id",
"type": "string",
"value": "={{ $json.id }}"
},
{
"id": "629d95d6-2501-4ad4-a5ed-e557237e1cc2",
"name": "name",
"type": "string",
"value": "={{ $json.name }}"
},
{
"id": "30699f7c-98d3-44ee-9749-c5528579f7e6",
"name": "description",
"type": "string",
"value": "={{\n$json.nodes\n .filter(node => node.type === 'n8n-nodes-base.stickyNote')\n .filter(node => node.parameters.content.toLowerCase().includes('try it out'))\n .map(node => node.parameters.content.substr(0,255) + '...')\n .join('\\n')\n}}"
},
{
"id": "6199c275-1ced-4f72-ba59-cb068db54c1b",
"name": "parameters",
"type": "string",
"value": "={{\n(function(node) {\n if (!node) return {};\n const inputs = node.parameters.workflowInputs.values;\n return {\n \"type\": \"object\",\n \"required\": inputs.map(input => input.name),\n \"properties\": inputs.reduce((acc, input) => ({\n ...acc,\n [input.name]: { type: input.type ?? 'string' }\n }), {})\n }\n})(\n$json.nodes\n .filter(node => node.type === 'n8n-nodes-base.executeWorkflowTrigger')\n .first()\n)\n.toJsonString()\n}}"
}
]
}
},
"executeOnce": false,
"typeVersion": 3.4
},
{
"id": "a935f5b6-3a35-49e7-870c-87e4daf0ad13",
"name": "当被其他工作流执行时",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
-3060,
600
],
"parameters": {
"workflowInputs": {
"values": [
{
"name": "operation"
},
{
"name": "workflowIds"
},
{
"name": "parameters",
"type": "object"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "2ff5e521-5288-47a9-af49-55a1bbbfb4f4",
"name": "运维",
"type": "n8n-nodes-base.switch",
"position": [
-2660,
560
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Add",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "3254a8f9-5fd3-4089-be16-cc3fd20639b8",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('When Executed by Another Workflow').first().json.operation }}",
"rightValue": "addWorkflow"
}
]
},
"renameOutput": true
},
{
"outputKey": "remove",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a33dd02d-5192-48c9-b569-eafddabd2462",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('When Executed by Another Workflow').first().json.operation }}",
"rightValue": "removeWorkflow"
}
]
},
"renameOutput": true
},
{
"outputKey": "list",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2d68dc3f-a213-47f8-8453-1bceae404653",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('When Executed by Another Workflow').first().json.operation }}",
"rightValue": "listWorkflows"
}
]
},
"renameOutput": true
},
{
"outputKey": "search",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2146a87e-1a50-4caa-a2ee-f7f6fc2b19c9",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('When Executed by Another Workflow').first().json.operation }}",
"rightValue": "searchWorkflows"
}
]
},
"renameOutput": true
},
{
"outputKey": "execute",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "98b25a51-2cb5-49af-9609-827245595dc9",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $('When Executed by Another Workflow').first().json.operation }}",
"rightValue": "executeWorkflow"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "5b78271a-6474-4d87-a344-72f7f63822dc",
"name": "获取带MCP标签的工作流",
"type": "n8n-nodes-base.n8n",
"position": [
-2400,
200
],
"parameters": {
"filters": {
"tags": "mcp"
},
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"id": "5vELmsVPmK4Bkqkg",
"name": "n8n account"
}
},
"typeVersion": 1
},
{
"id": "1197d29e-b124-4576-846d-876ad16de6e9",
"name": "过滤匹配的ID",
"type": "n8n-nodes-base.filter",
"position": [
-2180,
200
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "90c97733-48de-4402-8388-5d49e3534388",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{\n$json.id\n ? $('When Executed by Another Workflow').first().json.workflowIds.split(',').includes($json.id)\n : false\n}}",
"rightValue": "={{ $json.id }}"
}
]
}
},
"executeOnce": false,
"typeVersion": 2.2,
"alwaysOutputData": true
},
{
"id": "81623298-c3e7-4e20-86a9-d2587b302f28",
"name": "存储在内存中",
"type": "n8n-nodes-base.redis",
"position": [
-1520,
0
],
"parameters": {
"key": "mcp_n8n_tools",
"value": "={{\n($('Get Memory').item.json.data?.parseJson() ?? [])\n .concat($input.all().map(item => item.json))\n .toJsonString()\n}}",
"operation": "set"
},
"credentials": {
"redis": {
"id": "zU4DA70qSDrZM1El",
"name": "Redis account (localhost)"
}
},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "5ff0ea2f-a2ee-4cc3-bdf9-153ce5973770",
"name": "添加工具成功",
"type": "n8n-nodes-base.set",
"position": [
-1300,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "d921063f-e8ed-44a8-95a0-4402ecde6c5d",
"name": "=response",
"type": "string",
"value": "={{ $('Simplify Workflows').all().length }} tools were added successfully."
}
]
}
},
"executeOnce": true,
"typeVersion": 3.4
},
{
"id": "1d3169cc-15cd-4296-9e63-bb162322e5e2",
"name": "添加工具错误",
"type": "n8n-nodes-base.set",
"position": [
-1740,
200
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "8c4e0763-a4ff-4e8a-a992-13e4e12a5685",
"name": "response",
"type": "string",
"value": "Expected Tools matching Ids given, but none found."
}
]
}
},
"executeOnce": true,
"typeVersion": 3.4
},
{
"id": "6149a950-c1ed-44b4-aee6-3daeabf8ba01",
"name": "获取内存",
"type": "n8n-nodes-base.redis",
"position": [
-2860,
600
],
"parameters": {
"key": "mcp_n8n_tools",
"options": {},
"operation": "get",
"propertyName": "data"
},
"credentials": {
"redis": {
"id": "zU4DA70qSDrZM1El",
"name": "Redis account (localhost)"
}
},
"typeVersion": 1
},
{
"id": "3c538002-45f7-4a2f-9ef4-5aede63235ab",
"name": "分离输出",
"type": "n8n-nodes-base.splitOut",
"position": [
-2180,
400
],
"parameters": {
"options": {},
"fieldToSplitOut": "data"
},
"typeVersion": 1
},
{
"id": "d41e48e0-d610-4e18-9942-842419c99c83",
"name": "过滤匹配的ID",
"type": "n8n-nodes-base.filter",
"position": [
-1960,
400
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "d2c149fb-d115-449b-9b74-f3c2f8ff7950",
"operator": {
"type": "boolean",
"operation": "false",
"singleValue": true
},
"leftValue": "={{\n$json.id\n ? $('Operations').first().json.workflowIds.split(',').includes($json.id)\n : false\n}}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2,
"alwaysOutputData": true
},
{
"id": "21d8cdda-bb47-42cd-a056-809a5556b438",
"name": "存储在内存中1",
"type": "n8n-nodes-base.redis",
"position": [
-1520,
500
],
"parameters": {
"key": "mcp_n8n_tools",
"value": "={{ $input.all().flatMap(item => item.json.data).compact() }}",
"operation": "set"
},
"credentials": {
"redis": {
"id": "zU4DA70qSDrZM1El",
"name": "Redis account (localhost)"
}
},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "5a391d0a-ba13-4d54-85fd-eb2f6a935614",
"name": "移除工具成功",
"type": "n8n-nodes-base.set",
"position": [
-1300,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "1368947f-6625-4e2e-ae27-0fcad0a1d12a",
"name": "response",
"type": "string",
"value": "={{ $('When Executed by Another Workflow').first().json.workflowIds.split(',').length }} tool(s) removed successfully."
}
]
}
},
"typeVersion": 3.4
},
{
"id": "65dfecc4-43ba-4518-adbf-9676c5cb1377",
"name": "转换为JSON",
"type": "n8n-nodes-base.set",
"position": [
-2400,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "bce29a06-cff6-4409-96d2-04cc858a0e98",
"name": "data",
"type": "array",
"value": "={{ $json.data.parseJson() }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "b8b64fc2-63cf-4b17-9b6d-9d94aec10065",
"name": "列出工具成功",
"type": "n8n-nodes-base.set",
"position": [
-2400,
600
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "bce29a06-cff6-4409-96d2-04cc858a0e98",
"name": "response",
"type": "array",
"value": "={{\n$json.data\n ? $json.data.parseJson()\n : []\n}}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "d4fd9e74-f040-4b3c-8ce0-371315a0d130",
"name": "获取带MCP标签的工作流1",
"type": "n8n-nodes-base.n8n",
"position": [
-2180,
600
],
"parameters": {
"filters": {
"tags": "mcp"
},
"requestOptions": {}
},
"credentials": {
"n8nApi": {
"id": "5vELmsVPmK4Bkqkg",
"name": "n8n account"
}
},
"typeVersion": 1
},
{
"id": "d58922c4-b721-4228-83cb-0b1d9632bbc6",
"name": "简化工作流1",
"type": "n8n-nodes-base.set",
"position": [
-1960,
600
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "821226b0-12ad-4d1d-81c3-dfa3c286cce4",
"name": "id",
"type": "string",
"value": "={{ $json.id }}"
},
{
"id": "629d95d6-2501-4ad4-a5ed-e557237e1cc2",
"name": "name",
"type": "string",
"value": "={{ $json.name }}"
},
{
"id": "30699f7c-98d3-44ee-9749-c5528579f7e6",
"name": "description",
"type": "string",
"value": "={{\n$json.nodes\n .filter(node => node.type === 'n8n-nodes-base.stickyNote')\n .filter(node => node.parameters.content.toLowerCase().includes('try it out'))\n .map(node => node.parameters.content.substr(0,255) + '...')\n .join('\\n')\n}}"
},
{
"id": "137221ef-f0a3-4441-bae7-d9d4a22e05b7",
"name": "parameters",
"type": "string",
"value": "={{\n(function(node) {\n if (!node) return {};\n const inputs = node.parameters.workflowInputs.values;\n return {\n \"type\": \"object\",\n \"required\": inputs.map(input => input.name),\n \"properties\": inputs.reduce((acc, input) => ({\n ...acc,\n [input.name]: { type: input.type ?? 'string' }\n }), {})\n }\n})(\n$json.nodes\n .filter(node => node.type === 'n8n-nodes-base.executeWorkflowTrigger')\n .first()\n)\n.toJsonString()\n}}"
}
]
}
},
"executeOnce": false,
"typeVersion": 3.4
},
{
"id": "b44b1115-5153-4b98-979f-219a32b693de",
"name": "列出工具成功1",
"type": "n8n-nodes-base.aggregate",
"position": [
-1740,
600
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData",
"destinationFieldName": "response"
},
"typeVersion": 1
},
{
"id": "e9d9a33c-ebfa-4f74-a4da-fb6b6f6f6df5",
"name": "获取参数",
"type": "n8n-nodes-base.set",
"position": [
-1920,
1020
],
"parameters": {
"mode": "raw",
"options": {},
"jsonOutput": "={{ $('When Executed by Another Workflow').first().json.parameters }}"
},
"typeVersion": 3.4
},
{
"id": "c028324a-5c79-4ce9-afd6-097b6f75a74a",
"name": "执行工具结果",
"type": "n8n-nodes-base.aggregate",
"position": [
-1440,
1020
],
"parameters": {
"options": {},
"aggregate": "aggregateAllItemData",
"destinationFieldName": "response"
},
"typeVersion": 1
},
{
"id": "9eeac3cb-af7e-44c7-8891-6ff4367d0b54",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
-3600,
1040
],
"parameters": {
"options": {
"systemMessage": "=You are a helpful assistant who only uses workflows to answer questions and perform tasks.\n* When asked to complete a task, you will assume there is a workflow which you can use. Do not generate custom scripts or raw commands - use a workflow isntead.\n* Only use the available active workflows as listed using the \"listWorkflows\" tool.\n* Workflows returned by \"listWorkflows\" tool are active in the pool and do not need to be added again.\n* Always ask the user before adding workflows to the availble pool.\n* You do not need to confirm each step with the user when executing workflows.\n* When executing the workflow, the required parameters schema for it is listed in the workflow's profile. To get this profile, use the listWokflows tool.\n* If no available workflows are suitable and you are not able to complete the task, simply let the user know.\n* Do not search for workflows in the directory unless the user requests."
}
},
"typeVersion": 1.8
},
{
"id": "23601548-7863-403e-a671-267bf592b824",
"name": "当收到聊天消息时",
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"position": [
-3840,
1040
],
"webhookId": "86a50552-8058-4896-bd7e-ab95eba073ce",
"parameters": {
"options": {}
},
"typeVersion": 1.1
},
{
"id": "54ed210d-e1b8-4bd7-85e4-88678111a45e",
"name": "MCP客户端",
"type": "@n8n/n8n-nodes-langchain.mcpClientTool",
"position": [
-3360,
1240
],
"parameters": {
"sseEndpoint": "=<Production URL of MCP Server>"
},
"typeVersion": 1
},
{
"id": "c612da64-9cc1-4601-a987-cd2023fd1863",
"name": "简单记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
-3500,
1240
],
"parameters": {
"contextWindowLength": 30
},
"typeVersion": 1.3
},
{
"id": "77a9fd22-c31c-49e4-9d5f-af572b137925",
"name": "转换为JSON1",
"type": "n8n-nodes-base.set",
"position": [
-2360,
1120
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "bce29a06-cff6-4409-96d2-04cc858a0e98",
"name": "data",
"type": "array",
"value": "={{ $json.data.parseJson() }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "3377aa25-4190-4bdc-be20-b4e324212060",
"name": "有可用工作流吗？",
"type": "n8n-nodes-base.if",
"position": [
-2140,
1120
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9c9df00b-b090-4773-8012-1824b4eeb13f",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{\n$json.data.find(d => d.id === $('When Executed by Another Workflow').item.json.workflowIds)\n}}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "92b1bb21-d739-47f0-a278-92ffa5a10cbf",
"name": "执行工具错误",
"type": "n8n-nodes-base.set",
"position": [
-1920,
1220
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "2fa3e311-e836-42f4-922a-fae19d8e0267",
"name": "response",
"type": "string",
"value": "=Expected workflow to be available but not yet added. You can only use workflows which have been added to the available pool. Use the listWorkflows tool to see available workflows."
}
]
}
},
"typeVersion": 3.4
},
{
"id": "529e35e0-cf11-405a-9011-e6f7f2122a4e",
"name": "工作流存在吗？",
"type": "n8n-nodes-base.if",
"position": [
-1960,
200
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "15aef770-639e-4df0-900f-29013ccd00c4",
"operator": {
"type": "object",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "ba278834-c774-4a3d-8ebc-f64ac77317c2",
"name": "N8N工作流MCP服务器",
"type": "@n8n/n8n-nodes-langchain.mcpTrigger",
"position": [
-3720,
240
],
"webhookId": "4625bcf4-0dd9-4562-a70f-6fee41f6f12d",
"parameters": {
"path": "4625bcf4-0dd9-4562-a70f-6fee41f6f12d"
},
"typeVersion": 1
},
{
"id": "ed940612-4772-4377-afe2-5484a8978665",
"name": "添加工作流",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
-3800,
460
],
"parameters": {
"name": "addWorkflow",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "通过ID将一个或多个工作流添加到代理的可用工作流池中。您可以通过调用listTool工具获取工作流列表。",
"workflowInputs": {
"value": {
"operation": "addWorkflow",
"parameters": "null",
"workflowIds": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('workflowIds', ``, 'string') }}"
},
"schema": [
{
"id": "operation",
"type": "string",
"display": true,
"required": false,
"displayName": "operation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "workflowIds",
"type": "string",
"display": true,
"required": false,
"displayName": "workflowIds",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "parameters",
"type": "object",
"display": true,
"required": false,
"displayName": "parameters",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.1
},
{
"id": "e7d5096c-3545-43fd-aa1f-495dc041ccce",
"name": "移除工作流",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
-3700,
560
],
"parameters": {
"name": "removeWorkflow",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "通过ID从代理的可用工作流池中移除一个或多个工作流。",
"workflowInputs": {
"value": {
"operation": "removeWorkflow",
"parameters": "null",
"workflowIds": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('workflowIds', ``, 'string') }}"
},
"schema": [
{
"id": "operation",
"type": "string",
"display": true,
"required": false,
"displayName": "operation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "workflowIds",
"type": "string",
"display": true,
"required": false,
"displayName": "workflowIds",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "parameters",
"type": "object",
"display": true,
"required": false,
"displayName": "parameters",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.1
},
{
"id": "c20b63dc-e768-4529-a08c-5370853fc4c9",
"name": "列出工作流",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
-3580,
660
],
"parameters": {
"name": "listTool",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "列出代理的可用工作流池中的工作流。",
"workflowInputs": {
"value": {
"operation": "listWorkflows",
"parameters": "null",
"workflowIds": "null"
},
"schema": [
{
"id": "operation",
"type": "string",
"display": true,
"required": false,
"displayName": "operation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "workflowIds",
"type": "string",
"display": true,
"required": false,
"displayName": "workflowIds",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "parameters",
"type": "object",
"display": true,
"required": false,
"displayName": "parameters",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.1
},
{
"id": "88fb8a1e-2f4c-4ff1-8be9-0f7afee2dd4d",
"name": "搜索工作流",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
-3460,
560
],
"parameters": {
"name": "searchTool",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "返回所有可以添加到代理可用工作流池中的工作流。",
"workflowInputs": {
"value": {
"operation": "searchWorkflows",
"parameters": "null",
"workflowIds": "null"
},
"schema": [
{
"id": "operation",
"type": "string",
"display": true,
"required": false,
"displayName": "operation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "workflowIds",
"type": "string",
"display": true,
"required": false,
"displayName": "workflowIds",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "parameters",
"type": "object",
"display": true,
"required": false,
"displayName": "parameters",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.1
},
{
"id": "c643c007-de89-4d94-9739-aeb2032c792f",
"name": "执行工作流",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"position": [
-3340,
460
],
"parameters": {
"name": "executeTool",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $workflow.id }}"
},
"description": "执行已添加到代理可用工作流池中的工作流。",
"workflowInputs": {
"value": {
"operation": "executeWorkflow",
"parameters": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('parameters', ``, 'string') }}",
"workflowIds": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('workflowIds', ``, 'string') }}"
},
"schema": [
{
"id": "operation",
"type": "string",
"display": true,
"required": false,
"displayName": "operation",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "workflowIds",
"type": "string",
"display": true,
"required": false,
"displayName": "workflowIds",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "parameters",
"type": "object",
"display": true,
"required": false,
"displayName": "parameters",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.1
},
{
"id": "4f1c1559-8d50-48b1-94f2-542e0bb4d494",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3920,
80
],
"parameters": {
"color": 7,
"width": 720,
"height": 740,
"content": "## 1. 添加MCP服务器触发器"
},
"typeVersion": 1
},
{
"id": "54d61491-04dc-4263-96e0-67827842ca07",
"name": "使用穿透变量执行工作流",
"type": "n8n-nodes-base.executeWorkflow",
"position": [
-1660,
1020
],
"parameters": {
"options": {
"waitForSubWorkflow": true
},
"workflowId": {
"__rl": true,
"mode": "id",
"value": "={{ $('When Executed by Another Workflow').first().json.workflowIds }}"
},
"workflowInputs": {
"value": {},
"schema": [],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": true
}
},
"executeOnce": false,
"typeVersion": 1.2
},
{
"id": "1042884f-a44c-4757-9ff9-3a5cc81058f2",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2600,
-140
],
"parameters": {
"color": 7,
"width": 740,
"height": 300,
"content": "## 2. 动态管理\"可用\"工作流列表"
},
"typeVersion": 1
},
{
"id": "903ead44-3eab-4606-aa4e-e66378bb5f7e",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2420,
820
],
"parameters": {
"color": 7,
"width": 1160,
"height": 600,
"content": "## 3. 让代理执行任何N8N工作流"
},
"typeVersion": 1
},
{
"id": "194fbcbc-a7bb-41c8-9289-a214b1415386",
"name": "OpenAI 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-3660,
1240
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini",
"cachedResultName": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "aee33258-cf30-4cb4-ab58-7bef7ba27b65",
"name": "是空数组吗？",
"type": "n8n-nodes-base.if",
"position": [
-1740,
400
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2cd1b233-fb24-45d5-9efd-1db44b817809",
"operator": {
"type": "array",
"operation": "empty",
"singleValue": true
},
"leftValue": "={{ $input.all().flatMap(item => item.json.data).compact() }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "b367a25f-e679-4a71-910e-27f1aa686816",
"name": "删除键",
"type": "n8n-nodes-base.redis",
"position": [
-1520,
300
],
"parameters": {
"key": "mcp_n8n_tools",
"operation": "delete"
},
"credentials": {
"redis": {
"id": "zU4DA70qSDrZM1El",
"name": "Redis account (localhost)"
}
},
"executeOnce": true,
"typeVersion": 1
},
{
"id": "eec527e1-db4d-4294-a076-379ebd9640a9",
"name": "便签3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-3920,
860
],
"parameters": {
"color": 7,
"width": 740,
"height": 560,
"content": "## 4. 将任何代理与MCP客户端连接"
},
"typeVersion": 1
},
{
"id": "c9b51f36-f9bd-4a60-b195-8da229462331",
"name": "便签4",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2880,
820
],
"parameters": {
"color": 5,
"width": 320,
"height": 400,
"content": "* **添加工作流**"
},
"typeVersion": 1
},
{
"id": "91b2859a-7563-4ebd-ae61-c9a487e18d81",
"name": "便签5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-4600,
-180
],
"parameters": {
"width": 600,
"height": 1440,
"content": "## 试试看！"
},
"typeVersion": 1
},
{
"id": "ec3194d2-90c8-4019-a1b5-576c61e9a8b0",
"name": "便签6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-2600,
-280
],
"parameters": {
"color": 5,
"width": 380,
"height": 120,
"content": "### 我可以使用多少现有工作流？"
},
"typeVersion": 1
},
{
"id": "5f587241-5604-4724-bc01-3c9bc3f7bdc2",
"name": "便签7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1720,
1000
],
"parameters": {
"height": 440,
"content": "### 🚨 确保此节点不设置输入模式！"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"Split Out": {
"main": [
[
{
"node": "Filter Matching IDs",
"type": "main",
"index": 0
}
]
]
},
"Delete Key": {
"main": [
[
{
"node": "Remove Tool Success",
"type": "main",
"index": 0
}
]
]
},
"Get Memory": {
"main": [
[
{
"node": "Operations",
"type": "main",
"index": 0
}
]
]
},
"MCP Client": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Operations": {
"main": [
[
{
"node": "Get MCP-tagged Workflows",
"type": "main",
"index": 0
}
],
[
{
"node": "Convert to JSON",
"type": "main",
"index": 0
}
],
[
{
"node": "listTools Success",
"type": "main",
"index": 0
}
],
[
{
"node": "Get MCP-tagged Workflows1",
"type": "main",
"index": 0
}
],
[
{
"node": "Convert to JSON1",
"type": "main",
"index": 0
}
]
]
},
"Add Workflow": {
"ai_tool": [
[
{
"node": "N8N Workflows MCP Server",
"type": "ai_tool",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Get Parameters": {
"main": [
[
{
"node": "Execute Workflow with PassThrough Variables",
"type": "main",
"index": 0
}
]
]
},
"List Workflows": {
"ai_tool": [
[
{
"node": "N8N Workflows MCP Server",
"type": "ai_tool",
"index": 0
}
]
]
},
"RemoveWorkflow": {
"ai_tool": [
[
{
"node": "N8N Workflows MCP Server",
"type": "ai_tool",
"index": 0
}
]
]
},
"Convert to JSON": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"ExecuteWorkflow": {
"ai_tool": [
[
{
"node": "N8N Workflows MCP Server",
"type": "ai_tool",
"index": 0
}
]
]
},
"Is Empty Array?": {
"main": [
[
{
"node": "Delete Key",
"type": "main",
"index": 0
}
],
[
{
"node": "Store In Memory1",
"type": "main",
"index": 0
}
]
]
},
"SearchWorkflows": {
"ai_tool": [
[
{
"node": "N8N Workflows MCP Server",
"type": "ai_tool",
"index": 0
}
]
]
},
"Store In Memory": {
"main": [
[
{
"node": "AddTool Success",
"type": "main",
"index": 0
}
]
]
},
"Convert to JSON1": {
"main": [
[
{
"node": "Has Workflow Available?",
"type": "main",
"index": 0
}
]
]
},
"Store In Memory1": {
"main": [
[
{
"node": "Remove Tool Success",
"type": "main",
"index": 0
}
]
]
},
"Workflow Exists?": {
"main": [
[
{
"node": "Simplify Workflows",
"type": "main",
"index": 0
}
],
[
{
"node": "AddTool Error",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Simplify Workflows": {
"main": [
[
{
"node": "Store In Memory",
"type": "main",
"index": 0
}
]
]
},
"Filter Matching IDs": {
"main": [
[
{
"node": "Is Empty Array?",
"type": "main",
"index": 0
}
]
]
},
"Filter Matching Ids": {
"main": [
[
{
"node": "Workflow Exists?",
"type": "main",
"index": 0
}
]
]
},
"Simplify Workflows1": {
"main": [
[
{
"node": "listTools Success1",
"type": "main",
"index": 0
}
]
]
},
"Has Workflow Available?": {
"main": [
[
{
"node": "Get Parameters",
"type": "main",
"index": 0
}
],
[
{
"node": "ExecuteTool Error",
"type": "main",
"index": 0
}
]
]
},
"Get MCP-tagged Workflows": {
"main": [
[
{
"node": "Filter Matching Ids",
"type": "main",
"index": 0
}
]
]
},
"Get MCP-tagged Workflows1": {
"main": [
[
{
"node": "Simplify Workflows1",
"type": "main",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"When Executed by Another Workflow": {
"main": [
[
{
"node": "Get Memory",
"type": "main",
"index": 0
}
]
]
},
"Execute Workflow with PassThrough Variables": {
"main": [
[
{
"node": "executeTool Result",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 其他, 人工智能, IT 运维
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
相关工作流推荐
使用AI汇总Slack频道活动生成周报
使用AI汇总Slack频道活动生成周报
If
Set
Code
+13
47 节点Jimleuk
其他
在可视化参考库中探索n8n节点
在可视化参考库中探索n8n节点
If
Ftp
Set
+93
113 节点I versus AI
其他
使用Qdrant、Mistral.ai和OpenAI构建税法助手
使用Qdrant、Mistral.ai和OpenAI构建税法助手
Set
Wait
Filter
+18
38 节点Jimleuk
财务
自动化 Discord 垃圾信息审核
结合 AI 和人机协作的自动化 Discord 垃圾信息审核
If
Set
Code
+14
30 节点Jimleuk
人工智能
基于AI的Nextcloud文档聊天系统，使用LangChain和OpenAI
基于AI的Nextcloud文档聊天系统，使用LangChain和OpenAI
If
Set
Code
+12
21 节点johappel
人工智能
构建自定义Qdrant向量存储MCP服务器
构建自定义Qdrant向量存储MCP服务器
If
Set
Code
+14
44 节点Jimleuk
构建模块
工作流信息
难度等级
高级
节点数量46
分类3
节点类型18
作者
Jimleuk
@jimleukFreelance consultant based in the UK specialising in AI-powered automations. I work with select clients tackling their most challenging projects. For business enquiries, send me an email at hello@jimle.uk LinkedIn: https://www.linkedin.com/in/jimleuk/ X/Twitter: https://x.com/jimle_uk
外部链接
在 n8n.io 查看 →
分享此工作流