@n8n/n8n-nodes-langchain.toolcalculator
147 workflows using this node.
What is the @n8n/n8n-nodes-langchain.toolcalculator node used for in n8n workflows?
@n8n/n8n-nodes-langchain.toolcalculator n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.toolcalculator node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-toolcalculator 
Business AI command center: Modular agents for Google Workspace, vector search & multi-channel reports
AI OPS Agent for n8n — Stop Doing Busy Work. Start Leading. Your AI workforce is ready. Are you? What You Get: Your R...
Cybersecurity assistant with GPT-4, Telegram bot & command execution
QuantumDefender AI is a next generation intelligent cybersecurity assistant designed to harness the symbolic strength...
Build a comprehensive multimodal assistant on Telegram with OpenAI, SERP and Vector Store
J.A.R.V.I.S. Multimodal AI assistant on Telegram with OpenAI This workflow transforms your Telegram bot into J.A.R.V....
Automate restaurant reservations with AI on WhatsApp and Google Sheets
Streamline restaurant reservations on WhatsApp Overview This n8n template automates table bookings via WhatsApp, lett...
Jarvis: AI personal assistant with multi-agent network via WhatsApp
Think of this workflow as your very own J.A.R.V.I.S. , the ultimate AI personal assistant, capable of handling a vast...
Build a smart personal assistant with GROQ, LLaMA & search tools
A reasoning agent that can think, search, calculate, and remember — powered by GROQ inference and ready to deploy in...
Discord AI chatbot with GPT-4o-mini & Redis memory persistence
Description: This n8n workflow automates a Discord bot to fetch messages from a specified channel and send AI generat...
Auto-generate WhatsApp proposals from voice or text using GPT & APITemplate
How it works • Transcribes a WhatsApp voice or text message from a prospect using Whisper or GPT • Extracts key infor...
AI personal assistant with GPT-4o: Email, calendar, search & CRM integration
This n8n template demonstrates how to use AI as a comprehensive personal assistant with multiple specialized agents....
Evaluate tool usage accuracy in multi-agent AI workflows using evaluation nodes
Who's it for This workflow is ideal for AI developers running multi agent systems in n8n who need to quantitatively e...
Generate & send spare parts price quotes with Gmail, Sheets and Gemini AI
Who's it for This workflow is perfect for sales teams , customer service departments , and businesses that frequently...
WhatsApp expense tracker with multi-input (text, image & audio)
Description CashMate – Your AI Powered WhatsApp Finance Agent Turn WhatsApp into a smart finance assistant that auto...
Build your first AI agent – powered by Google Gemini with memory
A smart personal assistant that can reason, search, calculate, and remember — powered by Google Gemini and ready in o...
Build a multi-functional Telegram bot with Gemini, RAG PDF search & Google Suite
The Ultimate Beginner's Guide to an AI Powered Telegram Assistant (PDF, Brave search & Google Suite) This comprehensi...
Anthropic AI agent: Claude Sonnet 4 and Opus 4 with Think and Web Search tool
This workflow dynamically chooses between two new powerful Anthropic models — Claude Opus 4 and Claude Sonnet 4 — to...
AI real estate agent: end-to-end ops automation (web, data, voice)
This suite automates distinct aspects of real estate operations: incoming web lead qualification, scheduled/manual da...
AI-powered MIS agent
The AI powered MIS Agent is an intelligent, automated system built using n8n that streamlines email based data collec...
Evaluation metric example: Check if tool was called
AI evaluation in n8n This is a template for n8n's evaluation feature. Evaluation is a technique for getting confidenc...
Get Colombian peso to USD exchange rate with Telegram bot and AI date recognition
Request TRM (Colombian Peso to US Dollar exchange rate) Objective Retrieve the TRM (Colombian Peso to US Dollar excha...
WhatsApp expense tracker with PostgreSQL database & AI-powered reports
Track Personal Finances with WhatsApp and AI Assistant Transform your WhatsApp into a powerful personal finance comma...
Taxi service provider (production-ready, part 4)
Workflow Name: Taxi Service Provider Template was created in n8n v1.90.2 Skill Level: High Categories: n8n, Chatbot S...
Stacey – your Telegram AI assistant (powered by MCP, Gemini & Google tools)
This n8n template builds Stacey , an AI assistant that runs inside Telegram. Stacey listens to your messages, underst...
Access control for AI agents (RBAC) using Airtable and Telegram
Purpose This workflow allows granular control over the access to tools connected to AI Agents (including Multi Agent...
Multilingual WhatsApp translator with OpenAI Whisper & GPT-4 and HubSpot integration
AI WhatsApp Translator + Voice Transcriber with HubSpot Integration Hello! I'm Amanda ️, a passionate automation crea...