Browse 7,110 n8n workflow templates in the Langchain category. These ready-to-use automations connect apps and services with n8n — no coding required. Click any workflow to explore its nodes and import it directly into n8n.
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Quick overview
This workflow runs every 6 hours to combine contract and spend data from Google Sheets, calculate utilization per contract, and then update the contracts sheet while sending low- and hi ...
Quick overview
This weekly workflow uses Google Sheets as a topic queue, Tavily for web and Reddit research, OpenRouter (OpenAI models) to plan and write a three-section newsletter with citations, the ...
Quick overview
This workflow runs daily, reads procurement spend data from Google Sheets, calculates category-level savings and risk metrics, uses Groq (Llama 3.3) to generate Kraljic Matrix insights, ...
Quick overview
This workflow monitors a Google Drive folder for new NDA files, extracts their text, uses OpenAI to extract and assess clauses against a Google Sheets playbook, then either auto-approve ...
Quick overview
This workflow collects a YouTube link via an n8n form, extracts the video transcript with Apify, uses an OpenRouter chat model to generate short-form clip ideas in Markdown, and creates ...
Quick Overview
This workflow receives software vetting requests via a webhook, gathers vulnerability and supply-chain evidence from NVD, EPSS, CISA KEV (via NVD), Google News RSS, SEC EDGAR, GitHub, O ...
Quick overview
This workflow watches an IMAP inbox for new emails with PDF or Word attachments, extracts legal time entries using OpenAI, generates LEDES 1998B, LEDES XML 2.0, and a PDF invoice (via a ...
Quick overview
This workflow monitors a Microsoft Outlook mailbox for document-generation requests, matches each request to a SharePoint template using OpenAI, converts the filled template to DOCX via ...
How it works
This workflow fetches articles from any RSS feed, processes them with an AI model (DeepSeek), and sends only the most relevant alerts directly to Slack.
Normalizes and deduplicates R ...
Quick overview
Quantum processors drift every single day. This workflow runs a Bell state test on the least busy IBM Quantum backend, picks the healthiest qubit pair straight from live calibration dat ...
Quick overview
This workflow runs daily to pull friction metrics from Microsoft Clarity, fetches the affected pages via Bright Data Web Unlocker, uses GPT-5.6 (OpenAI) to diagnose likely causes and fi ...
Quick overview
This workflow runs weekly to pull striking-distance query/page pairs from Google Search Console, uses Bright Data to find and read higher-ranking rival pages, asks OpenAI (GPT-5.6) to i ...
Quick Overview
This workflow collects a landing page URL via an n8n form, fetches the page HTML and HTTP response headers, uses OpenAI (GPT-4.1) to audit client-side security issues and header configu ...
Quick Overview
This workflow captures short-term rental bookings via webhook, stores them in Google Sheets, and uses OpenAI (Deepseek model) to draft and send timed guest emails via Gmail using a prop ...
Every donor thanked, every gift receipted, automatically. This workflow watches your Google Sheets donations log, validates new entries, and has AI draft personalized thank-you emails with receipt det ...
Never let a review sit unanswered. This workflow takes customer reviews from a webhook, has AI draft a reply, logs everything to Sheets, and alerts your team. Negative reviews get routed to the owner ...
Construction chaos, organized. Site teams send punch list messages via webhook and this workflow structures each item with AI, routes it to the right subcontractor from a trade roster, logs it to Shee ...
Mise en place, automated. This workflow builds your daily restaurant prep list from a Google Sheets master, has AI plan the quantities, logs tasks back to Sheets, and notifies the team. Crews confirm ...
Quick overview
This workflow receives documents through a token-protected webhook, validates OCR and file metadata, and uses OpenAI to classify and extract key fields. It stores every outcome in an n8 ...
Quick Overview
This workflow runs on a weekly schedule or manual trigger, consolidates architecture inputs into a single context, and uses OpenAI GPT-4.1 to produce a structured security architecture ...