{
"id": "fa2TGWrY9rPurC30",
"meta": {
"instanceId": "fb8bc2e315f7f03c97140b30aa454a27bc7883a19000fa1da6e6b571bf56ad6d",
"templateCredsSetupCompleted": true
},
"name": "Agent Access Control Template",
"tags": [
{
"id": "RKga6I6NviNI12bx",
"name": "template",
"createdAt": "2024-09-19T19:09:21.997Z",
"updatedAt": "2024-09-19T19:09:21.997Z"
}
],
"nodes": [
{
"id": "77771654-bfb9-4c34-b644-d4d6eeb15d37",
"name": "Simple Memory",
"type": "@n8n\/n8n-nodes-langchain.memoryBufferWindow",
"position": [
560,
260
],
"parameters": {
"sessionKey": "={{ $('Telegram Trigger').item.json.message.from.id }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3000000000000000444089209850062616169452667236328125
},
{
"id": "f1ef483e-4f84-40c7-957d-191a54ffb80e",
"name": "OpenAI Chat Model",
"type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
"position": [
360,
260
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "gpt-4o"
},
"options": []
},
"credentials": {
"openAiApi": {
"id": "X7Jf0zECd3IkQdSw",
"name": "OpenAi (octionicsolutions)"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
},
{
"id": "c6ba00c9-8ca2-4cf0-9e2c-24ead9eb7c1b",
"name": "Check permissions",
"type": "@n8n\/n8n-nodes-langchain.code",
"position": [
960,
260
],
"parameters": {
"code": {
"supplyData": {
"code": "const { DynamicTool } = require(\"@langchain\/core\/tools\");\nconst connectedTools = await this.getInputConnectionData('ai_tool', 0);\nconst allowedTools = $input.item.json.allowed_tools;\n\nconst noTool = (tool) => {\n return new DynamicTool({\n name: tool.getName(),\n description: tool.description,\n func: async () => {\n return \"Tell the user 'You are not authorized to use this tool'.\";\n },\n });\n}\n\nreturn connectedTools.map(connectedTool => {\n const permissionGranted = allowedTools.includes(connectedTool.getName());\n return permissionGranted ? connectedTool : noTool(connectedTool);\n});"
}
},
"inputs": {
"input": [
{
"type": "ai_tool",
"required": true
}
]
},
"outputs": {
"output": [
{
"type": "ai_tool"
}
]
}
},
"typeVersion": 1
},
{
"id": "db15e298-b8d0-4096-b606-18bc8d43bb39",
"name": "Telegram Trigger",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-240,
-120
],
"webhookId": "4410accd-63e4-4c38-ad0b-26874f5eb673",
"parameters": {
"updates": [
"message"
],
"additionalFields": []
},
"credentials": {
"telegramApi": {
"id": "3paV9xW2WWlusvsq",
"name": "octionictest_bot"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
},
{
"id": "3df9b9f5-c0a2-4905-95aa-285b492f2ec0",
"name": "Set input",
"type": "n8n-nodes-base.set",
"position": [
420,
0
],
"parameters": {
"options": [],
"assignments": {
"assignments": [
{
"id": "9ea62c8f-984b-4c05-8e40-549d8035c4d3",
"name": "name",
"type": "string",
"value": "={{ $json.name }}"
},
{
"id": "bf74b2c4-f0d1-458a-9044-5cb1b62722e6",
"name": "granted_roles",
"type": "array",
"value": "={{ $json.granted_roles || [] }}"
},
{
"id": "e0f4d3d7-a916-43cb-a13d-e4453b0d1a3b",
"name": "allowed_tools",
"type": "array",
"value": "={{ $json.allowed_tools || [] }}"
}
]
}
},
"typeVersion": 3.399999999999999911182158029987476766109466552734375
},
{
"id": "a5af8184-4a17-447e-96d3-809c6bd131f3",
"name": "Get user permissions",
"type": "n8n-nodes-base.airtable",
"position": [
-20,
-120
],
"parameters": {
"base": {
"__rl": true,
"mode": "list",
"value": "app0K2OqeryZWxIt9",
"cachedResultUrl": "https:\/\/airtable.com\/app0K2OqeryZWxIt9",
"cachedResultName": "Agent Access Control"
},
"table": {
"__rl": true,
"mode": "list",
"value": "tblRcEGwmycLfDuHt",
"cachedResultUrl": "https:\/\/airtable.com\/app0K2OqeryZWxIt9\/tblRcEGwmycLfDuHt",
"cachedResultName": "Users"
},
"options": {
"fields": [
"granted_roles",
"allowed_tools",
"name"
]
},
"operation": "search",
"filterByFormula": "={username} = '{{ $json.message.from.username }}'"
},
"credentials": {
"airtableTokenApi": {
"id": "24eNAG2FrCu3ZCtz",
"name": "AAC read only"
}
},
"typeVersion": 2.100000000000000088817841970012523233890533447265625,
"alwaysOutputData": true
},
{
"id": "4abf80e7-9b1f-4ef0-b742-da29e1208b78",
"name": "When Executed by Another Workflow",
"type": "n8n-nodes-base.executeWorkflowTrigger",
"position": [
0,
800
],
"parameters": {
"workflowInputs": {
"values": [
{
"name": "chatInput"
},
{
"name": "sessionId"
},
{
"name": "allowed_tools"
}
]
}
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "10129d31-3446-47a0-aacd-3bd584b0bd79",
"name": "Settings",
"type": "n8n-nodes-base.set",
"position": [
220,
800
],
"parameters": {
"options": [],
"assignments": {
"assignments": [
{
"id": "93b5d2ac-8c8a-4c61-999f-2727b7ba9514",
"name": "chatInput",
"type": "string",
"value": "={{ $json.chatInput }}"
},
{
"id": "3f65df4c-fae1-4da3-acfd-acf352a3f8d2",
"name": "sessionId",
"type": "string",
"value": "={{ $json.sessionId }}"
},
{
"id": "81020154-c869-4bc8-944a-a9aee900a656",
"name": "allowed_tools",
"type": "array",
"value": "={{ $json.allowed_tools }}"
}
]
}
},
"typeVersion": 3.399999999999999911182158029987476766109466552734375
},
{
"id": "c45f4258-8ef6-4bf6-878f-5e86ac577712",
"name": "OpenAI Chat Model1",
"type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
"position": [
340,
1060
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": []
},
"credentials": {
"openAiApi": {
"id": "X7Jf0zECd3IkQdSw",
"name": "OpenAi (octionicsolutions)"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
},
{
"id": "e5cf82bc-c9a8-474e-bbeb-201e3431fa36",
"name": "Simple Memory1",
"type": "@n8n\/n8n-nodes-langchain.memoryBufferWindow",
"position": [
540,
1060
],
"parameters": {
"sessionKey": "={{ $('Settings').item.json.sessionId }}_weather_check",
"sessionIdType": "customKey"
},
"typeVersion": 1.3000000000000000444089209850062616169452667236328125
},
{
"id": "e9fd93c9-c008-470b-885a-4287950b9c3d",
"name": "Check permissions1",
"type": "@n8n\/n8n-nodes-langchain.code",
"position": [
740,
1060
],
"parameters": {
"code": {
"supplyData": {
"code": "const { DynamicTool } = require(\"@langchain\/core\/tools\");\nconst connectedTools = await this.getInputConnectionData('ai_tool', 0);\nconst allowedTools = $input.item.json.allowed_tools;\n\nconst noTool = (tool) => {\n return new DynamicTool({\n name: tool.getName(),\n description: tool.description,\n func: async () => {\n return \"Tell the user 'You are not authorized to use this tool'.\";\n },\n });\n}\n\nreturn connectedTools.map(connectedTool => {\n const permissionGranted = allowedTools.includes(connectedTool.getName());\n return permissionGranted ? connectedTool : noTool(connectedTool);\n});"
}
},
"inputs": {
"input": [
{
"type": "ai_tool",
"required": true
}
]
},
"outputs": {
"output": [
{
"type": "ai_tool"
}
]
}
},
"typeVersion": 1
},
{
"id": "f791deb0-9ebe-4451-8a1f-3119547dd576",
"name": "list_granted_roles",
"type": "@n8n\/n8n-nodes-langchain.toolCode",
"position": [
1000,
460
],
"parameters": {
"name": "list_granted_roles",
"jsCode": "\/\/ Example: convert the incoming query to uppercase and return it\nreturn \"You are assigned the following roles: \" + $input.item.json.granted_roles.join(\", \");",
"description": "Call this tool to tell the user which roles they have been granted."
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "ab0c6dae-6259-4be1-b0df-e3276cafb938",
"name": "list_allowed_tools",
"type": "@n8n\/n8n-nodes-langchain.toolCode",
"position": [
1160,
460
],
"parameters": {
"name": "list_allowed_tools",
"jsCode": "return \"You have access to the following tools: \" + $input.item.json.allowed_tools.join(\", \");",
"description": "Call this tool to tell the user which tools they have access to."
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "76529936-80ea-4f94-9a06-bae3b6ea0ce3",
"name": "calculator",
"type": "@n8n\/n8n-nodes-langchain.toolCalculator",
"position": [
860,
460
],
"parameters": [],
"typeVersion": 1
},
{
"id": "fd7f4875-6838-4b53-9167-4a22d4f5f27f",
"name": "Wikipedia",
"type": "@n8n\/n8n-nodes-langchain.toolWikipedia",
"position": [
760,
260
],
"parameters": [],
"typeVersion": 1
},
{
"id": "0dc5c3e6-b9d2-4a96-9539-dae86dc171a6",
"name": "get_coordinates",
"type": "@n8n\/n8n-nodes-langchain.toolHttpRequest",
"position": [
800,
1260
],
"parameters": {
"url": "https:\/\/geocoding-api.open-meteo.com\/v1\/search?name={city}&count=1",
"fields": "name,latitude,longitude",
"dataField": "results",
"fieldsToInclude": "selected",
"toolDescription": "Get the GEO position by city name",
"optimizeResponse": true,
"placeholderDefinitions": {
"values": [
{
"name": "city",
"type": "string",
"description": "Name of the city"
}
]
}
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "e70a2cb2-832b-4741-85d2-c446be168ad4",
"name": "get_weather",
"type": "@n8n\/n8n-nodes-langchain.toolHttpRequest",
"position": [
980,
1260
],
"parameters": {
"url": "https:\/\/api.open-meteo.com\/v1\/forecast?latitude={latitude}&longitude={longitude}¤t_weather=true",
"toolDescription": "Get current weather by GEO data (longitude, latitude)",
"placeholderDefinitions": {
"values": [
{
"name": "longitude",
"type": "string",
"description": "Longitude of location. Dot as decimal separator."
},
{
"name": "latitude",
"type": "string",
"description": "Latitude of location. Dot as decimal separator."
}
]
}
},
"typeVersion": 1.100000000000000088817841970012523233890533447265625
},
{
"id": "66c5568d-d2fe-4938-b577-b005a5c32e37",
"name": "weather_agent",
"type": "@n8n\/n8n-nodes-langchain.toolWorkflow",
"position": [
1360,
460
],
"parameters": {
"name": "weather_agent",
"workflowId": {
"__rl": true,
"mode": "list",
"value": "C1fIIooUO64D56t6",
"cachedResultName": "Agent Access Control with Airtable and Telegram"
},
"workflowInputs": {
"value": {
"chatInput": "={{ \/*n8n-auto-generated-fromAI-override*\/ $fromAI('chatInput', ``, 'string') }}",
"sessionId": "={{ $('Telegram Trigger').item.json.message.from.id }}",
"allowed_tools": "={{ $input.item.json.allowed_tools }}"
},
"schema": [
{
"id": "sessionId",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "sessionId",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "chatInput",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "chatInput",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "allowed_tools",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "allowed_tools",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
}
},
"typeVersion": 2.100000000000000088817841970012523233890533447265625
},
{
"id": "ffcf4df4-f969-4bc1-9393-0e7a4317626a",
"name": "Weather Agent",
"type": "@n8n\/n8n-nodes-langchain.agent",
"position": [
440,
800
],
"parameters": {
"options": {
"systemMessage": "=You are a weather data assistant.\nYou MUST only use the provided tools to process any user input. Never use general knowledge to answer questions. If you can't use a tool, tell the user why."
}
},
"typeVersion": 1.8000000000000000444089209850062616169452667236328125
},
{
"id": "eae759d7-fa4a-4993-bbcf-cc430f2dfa60",
"name": "Unknown user",
"type": "n8n-nodes-base.if",
"position": [
200,
-120
],
"parameters": {
"options": [],
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "1d042f5b-ef39-4b9e-8d9c-900b39dbe3fb",
"operator": {
"type": "object",
"operation": "empty",
"singleValue": true
},
"leftValue": "={{ $json }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.20000000000000017763568394002504646778106689453125
},
{
"id": "df377324-d57d-45ab-85c7-88446a07abcd",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-80,
-260
],
"parameters": {
"width": 220,
"height": 300,
"content": "## Choose Base\nCopy [this Airtable Template](https:\/\/airtable.com\/appi5nijuvzQbZLJJ\/shr8OkLysG1VtlCiz) into your workspace and select that Base here"
},
"typeVersion": 1
},
{
"id": "b1ddd130-07fa-47e3-ba24-7b4e85f94b6a",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1280,
300
],
"parameters": {
"height": 300,
"content": "## Choose workflow\nSelect the current workflow as the workflow that should be called"
},
"typeVersion": 1
},
{
"id": "7d24fc8e-36e7-4087-88cc-7f1c725ce814",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
900,
160
],
"parameters": {
"color": 7,
"width": 380,
"height": 220,
"content": "Uses list of allowed tools gathered from Airtable to check for permissions and replaces denied tools with a fixed instruction to return a message to the user."
},
"typeVersion": 1
},
{
"id": "987b3372-1703-4284-a285-d2edfd032422",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
700,
160
],
"parameters": {
"color": 7,
"width": 200,
"height": 220,
"content": "Tools can also be connected without a permission check"
},
"typeVersion": 1
},
{
"id": "885b0117-bae1-4aac-a91f-e140259b32e2",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
-80
],
"parameters": {
"color": 7,
"width": 380,
"height": 240,
"content": "Main agent with the instruction to always use the connected tools instead of general knowledge"
},
"typeVersion": 1
},
{
"id": "25f17f39-a777-4386-b14d-1ed7db3c54f4",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
360,
-80
],
"parameters": {
"color": 7,
"width": 220,
"height": 240,
"content": "Collects input and formats it using required keys"
},
"typeVersion": 1
},
{
"id": "a0abbeea-d9c1-4005-b996-d4e8e4fd97d3",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
160,
720
],
"parameters": {
"color": 7,
"width": 220,
"height": 240,
"content": "Collects and formats input from parent workflow \/ agent"
},
"typeVersion": 1
},
{
"id": "8e25e640-7b6d-4ca7-b3fd-06eac3cebbea",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
680,
960
],
"parameters": {
"color": 7,
"width": 380,
"height": 220,
"content": "Uses the same technique as the main agent to check for permissions using the same parameters which were passed to this sub-agent."
},
"typeVersion": 1
},
{
"id": "1168726e-2a39-40f6-aea6-77c12dc2b37b",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
380,
720
],
"parameters": {
"color": 7,
"width": 380,
"height": 240,
"content": "Sub-agent with specific role to handle weather information. Also having the instruction to strictly only use the connected tools."
},
"typeVersion": 1
},
{
"id": "e65e1ea3-c773-4e65-8c49-b9f7fe75df28",
"name": "Reply: unknown user",
"type": "n8n-nodes-base.telegram",
"position": [
420,
-240
],
"webhookId": "510028ef-060f-4ce7-898e-f1a2a376780c",
"parameters": {
"text": "=Unknown user '{{ $('Telegram Trigger').item.json.message.from.username }}'. Please contact your supervisor.",
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "3paV9xW2WWlusvsq",
"name": "octionictest_bot"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
},
{
"id": "aa5937b9-22d2-4719-9d51-00f7d28beb43",
"name": "Reply with results",
"type": "n8n-nodes-base.telegram",
"position": [
1020,
0
],
"webhookId": "97bc8ca7-d40a-41d6-9cc2-4c9943313fb4",
"parameters": {
"text": "={{ $json.output }}",
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "3paV9xW2WWlusvsq",
"name": "octionictest_bot"
}
},
"typeVersion": 1.1999999999999999555910790149937383830547332763671875
},
{
"id": "623328d8-e9ad-431e-b3ca-df0cdbcb7430",
"name": "Main Agent",
"type": "@n8n\/n8n-nodes-langchain.agent",
"position": [
640,
0
],
"parameters": {
"text": "={{ $('Telegram Trigger').item.json.message.text }}",
"options": {
"systemMessage": "=You are a personal assistant. The name of the current user is \"{{ $json.name }}\"\nYou MUST only use the provided tools to process any user input. Never use general knowledge to answer questions. If you can't use a tool, tell the user why.",
"returnIntermediateSteps": true
},
"promptType": "define"
},
"typeVersion": 1.8000000000000000444089209850062616169452667236328125
},
{
"id": "cacefd8b-082c-43a4-9e25-fb497d0d8dd9",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
500,
160
],
"parameters": {
"color": 6,
"width": 200,
"height": 220,
"content": "Be aware, that previous responses may still exist after permission changes"
},
"typeVersion": 1
},
{
"id": "802ba649-b56e-4e90-a780-a3a1935a7907",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
480,
960
],
"parameters": {
"color": 7,
"width": 200,
"height": 220,
"content": "Uses different session ID (suffix), since every agent needs its own memory"
},
"typeVersion": 1
},
{
"id": "b82c9149-e583-4c98-a6d8-c92080fd44ba",
"name": "Sticky Note11",
"type": "n8n-nodes-base.stickyNote",
"position": [
-300,
-200
],
"parameters": {
"color": 7,
"width": 220,
"height": 240,
"content": "Listens to messages directly sent to the bot"
},
"typeVersion": 1
},
{
"id": "b74fcbc1-aa66-440a-9a75-340858bba6c5",
"name": "Sticky Note12",
"type": "n8n-nodes-base.stickyNote",
"position": [
140,
-200
],
"parameters": {
"color": 7,
"width": 220,
"height": 240,
"content": "Checks if the user was found in Airtable"
},
"typeVersion": 1
}
],
"active": false,
"pinData": [],
"settings": {
"errorWorkflow": "gGHnVxFBZDQlm6QE",
"executionOrder": "v1"
},
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}
