This workflow follows the Agent → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "Todo List AI Agent",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "todo-agent",
"responseMode": "responseNode",
"options": {}
},
"id": "034fb890-b570-468d-a8bf-9b06e75ea091",
"name": "Webhook Trigger",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-592,
160
]
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json.body.message }}",
"options": {
"systemMessage": "={{ 'You are a todo list assistant for user_identifier: ' + $json.body.user_identifier + '\\n\\nYOU MUST USE TOOLS FOR EVERY REQUEST. DO NOT RESPOND WITHOUT CALLING A TOOL FIRST.\\n\\nAvailable tools:\\n- list_todos: Get all tasks with their IDs\\n- create_todo: Create a new task\\n- update_todo: Update a task (requires ID from list_todos)\\n- delete_todo: Delete a task (requires ID from list_todos)\\n\\nWhen user refers to tasks by position (first, second, third, last):\\n1. FIRST call list_todos to get the task IDs\\n2. THEN call update_todo or delete_todo with the correct ID\\n\\nNEVER respond saying you did something without actually calling the tool.\\nNEVER make up or guess task IDs.\\nFormat output: \u2705 done, \u2b1c pending. Hide UUIDs from user.' }}",
"maxIterations": 10,
"returnIntermediateSteps": true
}
},
"id": "c084457a-4959-43df-8ec6-156105be3bd5",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 1.7,
"position": [
-272,
160
]
},
{
"parameters": {
"name": "list_todos",
"description": "ALWAYS call this first to get task IDs before updating or deleting. Returns tasks with id, title, completed, position.",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "83L5ycGOgznjUcH3"
},
"specifyInputSchema": true,
"jsonSchemaExample": "{\n \"user_identifier\": \"required\"\n}"
},
"id": "9b7f4ce9-6508-40a4-b5f0-d6c13645495c",
"name": "List Todos Tool",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"typeVersion": 1.2,
"position": [
240,
528
]
},
{
"parameters": {
"name": "create_todo",
"description": "Create a new task. Call this when user wants to add a task.",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "DTOe1c3MHHxEOfqh"
},
"specifyInputSchema": true,
"jsonSchemaExample": "{\n \"title\": \"task name\",\n \"user_identifier\": \"required\"\n}"
},
"id": "3a8cfa70-cae5-4d7a-8d42-434b66daf1fc",
"name": "Create Todo Tool",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"typeVersion": 1.2,
"position": [
416,
528
]
},
{
"parameters": {
"name": "update_todo",
"description": "Update a task title or mark complete/incomplete. Get the id from list_todos first.",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "l0KyHTWQbwIj6GRq"
},
"specifyInputSchema": true,
"jsonSchemaExample": "{\n \"id\": \"uuid from list_todos\",\n \"title\": \"new title\",\n \"completed\": true,\n \"user_identifier\": \"required\"\n}"
},
"id": "2568e225-29e6-445f-acbaf-f7855b308acd",
"name": "Update Todo Tool",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"typeVersion": 1.2,
"position": [
96,
528
]
},
{
"parameters": {
"name": "delete_todo",
"description": "Delete a task. Get the id from list_todos first.",
"workflowId": {
"__rl": true,
"mode": "id",
"value": "bO7DbHnkodkXnvCj"
},
"specifyInputSchema": true,
"jsonSchemaExample": "{\n \"id\": \"uuid from list_todos\",\n \"user_identifier\": \"required\"\n}"
},
"id": "b5df1b6a-280a-453d-b7fd-d97b55eed200",
"name": "Delete Todo Tool",
"type": "@n8n/n8n-nodes-langchain.toolWorkflow",
"typeVersion": 1.2,
"position": [
-80,
528
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify({ output: $json.output }) }}",
"options": {}
},
"id": "786e9a53-7dd7-49be-bdc1-bf7a4b19aae3",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
512,
160
]
},
{
"parameters": {
"model": {
"__rl": true,
"value": "claude-sonnet-4-20250514",
"mode": "list",
"cachedResultName": "Claude Sonnet 4"
},
"options": {
"temperature": 0.2
}
},
"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
"typeVersion": 1.3,
"position": [
-352,
368
],
"id": "70c10063-0280-404e-81fd-c09157cb63cb",
"name": "Anthropic Chat Model",
"credentials": {
"anthropicApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "={{ $json.body.user_identifier }}",
"contextWindowLength": 20
},
"id": "redis-memory",
"name": "Redis Chat Memory",
"type": "@n8n/n8n-nodes-langchain.memoryRedisChat",
"typeVersion": 1.3,
"position": [
-208,
368
],
"credentials": {
"redis": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"httpMethod": "POST",
"path": "whatsapp",
"responseMode": "responseNode",
"options": {}
},
"id": "whatsapp-webhook",
"name": "WhatsApp Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-592,
-128
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 1
},
"conditions": [
{
"id": "1",
"leftValue": "={{ $json.body?.data?.key?.fromMe }}",
"rightValue": false,
"operator": {
"type": "boolean",
"operation": "equals"
}
},
{
"id": "2",
"leftValue": "={{ ($json.body?.data?.message?.conversation || $json.body?.data?.message?.extendedTextMessage?.text || '').toLowerCase() }}",
"rightValue": "#to-do list",
"operator": {
"type": "string",
"operation": "startsWith"
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "filter-whatsapp",
"name": "Filter WhatsApp",
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
-416,
-128
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "1",
"name": "body.message",
"value": "={{ ($json.body?.data?.message?.conversation || $json.body?.data?.message?.extendedTextMessage?.text || '').replace(/^#to-do list\\s*/i, '') }}",
"type": "string"
},
{
"id": "2",
"name": "body.user_identifier",
"value": "={{ $json.body?.data?.key?.remoteJid.replace('@s.whatsapp.net', '').replace('+', '') }}",
"type": "string"
},
{
"id": "3",
"name": "body.source",
"value": "whatsapp",
"type": "string"
},
{
"id": "4",
"name": "body.remoteJid",
"value": "={{ $json.body?.data?.key?.remoteJid }}",
"type": "string"
}
]
},
"options": {}
},
"id": "transform-whatsapp",
"name": "Transform WhatsApp",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-160,
-144
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "1",
"name": "body.message",
"value": "={{ $json.body.message }}",
"type": "string"
},
{
"id": "2",
"name": "body.user_identifier",
"value": "={{ $json.body.user_identifier }}",
"type": "string"
},
{
"id": "3",
"name": "body.source",
"value": "web",
"type": "string"
}
]
},
"options": {}
},
"id": "transform-web",
"name": "Transform Web",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-432,
160
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "1",
"leftValue": "={{ $json.body.source }}",
"rightValue": "web",
"operator": {
"type": "string",
"operation": "equals",
"singleValue": true
}
}
]
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "1",
"leftValue": "={{ $json.body.source }}",
"rightValue": "whatsapp",
"operator": {
"type": "string",
"operation": "equals",
"singleValue": true
}
}
]
}
}
]
},
"options": {}
},
"id": "route-response",
"name": "Route Response",
"type": "n8n-nodes-base.switch",
"typeVersion": 3,
"position": [
176,
144
]
},
{
"parameters": {
"method": "POST",
"url": "https://quietmovingspectacledbear-evolution.cloudfy.live/message/sendText/todo",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "apikey",
"value": "OhsP8IcQdhelq1ymxHBfMPVrx6MRSa8r"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ number: $json.body?.remoteJid, text: $json.output }) }}",
"options": {}
},
"id": "send-whatsapp",
"name": "Send WhatsApp",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
528,
336
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "1",
"name": "output",
"value": "={{ $json.output }}",
"type": "string"
},
{
"id": "2",
"name": "body.source",
"value": "={{ $if($('Transform WhatsApp').isExecuted, $('Transform WhatsApp').item.json.body.source, $('Transform Web').item.json.body.source) }}",
"type": "string"
},
{
"id": "3",
"name": "body.remoteJid",
"value": "={{ $if($('Transform WhatsApp').isExecuted, $('Transform WhatsApp').item.json.body.remoteJid, '') }}",
"type": "string"
}
]
},
"options": {}
},
"id": "prepare-response",
"name": "Prepare Response",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
16,
160
]
}
],
"connections": {
"List Todos Tool": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Create Todo Tool": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Update Todo Tool": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Delete Todo Tool": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Anthropic Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Redis Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"WhatsApp Webhook": {
"main": [
[
{
"node": "Filter WhatsApp",
"type": "main",
"index": 0
}
]
]
},
"Filter WhatsApp": {
"main": [
[
{
"node": "Transform WhatsApp",
"type": "main",
"index": 0
}
]
]
},
"Transform WhatsApp": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Webhook Trigger": {
"main": [
[
{
"node": "Transform Web",
"type": "main",
"index": 0
}
]
]
},
"Transform Web": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Route Response": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
],
[
{
"node": "Send WhatsApp",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Prepare Response",
"type": "main",
"index": 0
}
]
]
},
"Prepare Response": {
"main": [
[
{
"node": "Route Response",
"type": "main",
"index": 0
}
]
]
},
"Send WhatsApp": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"callerPolicy": "workflowsFromSameOwner",
"availableInMCP": false
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
anthropicApiredis
Pro
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About this workflow
Todo List AI Agent. Uses agent, toolWorkflow, lmChatAnthropic, memoryRedisChat. Webhook trigger; 16 nodes.
Source: https://github.com/franco1215/simple-todo-list/blob/2e36d2472c54dfa90eb45ca63e36889272404c20/n8n/todo-agent-workflow.json — original creator credit. Request a take-down →
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