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.
7,110 workflows
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Quick overview
This workflow collects a research request via an n8n form, runs two live Google searches via the Serper API, uses OpenAI to analyze the sources and write a structured report, then logs ...
Quick overview
This workflow collects daily KPIs in Postgres, builds robust baselines, detects anomalies each morning, and then investigates them with an OpenRouter (Claude) agent using Postgres and G ...
Dental lab cases that keep clinics in the loop without anyone chasing updates. This workflow takes new case submissions from an n8n Form, has gpt-6-luna check that the case is complete and draft the c ...
Freight check-ins that update the load board while the driver is still on the road. This workflow takes every driver check-in by webhook, has gpt-6-luna normalize the status and risk, updates your Goo ...
Quick overview
Converts unstructured Telegram standup messages into individual Notion task cards using OpenAI. Validates task statuses, prevents duplicates with deterministic source keys, alerts proje ...
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This workflow runs daily to find and email new leads from Apollo, using Serper news search and OpenAI to draft personalized outreach, then tracks everything in Google Sheets and handles ...
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This workflow runs every 15 minutes to triage unread Gmail and Slack mentions with OpenAI, request approvals in Slack before sending replies, detect Google Calendar conflicts and update ...
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This workflow runs a Telegram RAG chatbot that answers questions using PDFs synced from Google Drive into a Supabase vector store, automatically re-indexing when files are added or upda ...
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This workflow triggers from a GoHighLevel webhook, schedule, or manual run to pull open opportunity and pipeline details, generate deal-specific follow-up actions using an OpenAI GPT-4o ...
Quick Overview
This workflow uses Google Sheets as an AR ledger, matches bank payments to open invoices each weekday morning, then emails consolidated overdue statements via Gmail and escalates edge c ...
Quick overview
This workflow monitors a Gmail inbox for cleanroom particle-counter excursion alerts, parses the email into structured measurements, uses OpenAI to classify severity, routes by zone cri ...
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This workflow runs daily, reads a Google Sheets backflow device registry, calculates overdue risk, and uses OpenAI to classify each device as Critical Overdue, Due Soon, or Compliant, t ...
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This workflow polls an Airtable PrintJobs register every 30 minutes, compares approved vs released packaging artwork revisions against a stored snapshot in Google Sheets, uses OpenAI to ...
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This workflow receives an authenticated reservation-change webhook, fetches the matching reservation and kit stock from Airtable, calculates shortages and allowed substitutions, uses Op ...
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This workflow lets users register fridge items by sending images to LINE, uses Google Gemini to extract item details, saves them to Google Sheets, and runs a daily check to notify users ...
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This workflow runs every morning to scrape competitor product pages with Apify, store daily price snapshots in Postgres/Supabase, detect unusual price moves using SQL views, and post ac ...
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This workflow exposes n8n as an MCP server so MCP clients can request approved production tools, validating and audit-logging each call, routing destructive actions through Slack approv ...
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This workflow answers QA/QC compliance and non-conformance questions from a controlled GitHub knowledge base using Google Gemini, then classifies findings (Compliant/Observation/Minor/M ...
Quick overview
This workflow receives invoice PDFs via a webhook, extracts and validates invoice data with OpenAI, checks for duplicates in Google Sheets, and routes invoices for automatic or manual a ...
Quick overview
This workflow runs every five minutes to pick the next due PENDING Reel from Google Sheets, generate Instagram and Facebook captions with Google Gemini, publish the video to Instagram R ...
