Browse 6,328 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.
6,328 workflows
in Langchain
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Quick Overview
This subworkflow is called by a parent n8n workflow to generate structured research notes from a provided topic and brief using an OpenRouter chat model, then returns the original input ...
Quick overview
This workflow receives customer support requests via a webhook, normalizes the payload, and uses an OpenRouter-powered orchestrator agent to route the request to a Billing, Technical, o ...
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Track daily mood, energy, sleep, stress, focus, and habits with a simple form, then receive a weekly AI-generated personal analytics report with patterns, best/hardest day comparison, a ...
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This workflow runs on a schedule to scan Gmail for subscription and billing emails, uses OpenAI GPT-4.1-mini to extract and classify SaaS spend and potential waste, upserts results into ...
Quick Overview
This workflow powers a Telegram astrology bot that manages chat sessions in Supabase, calculates natal or synastry charts via AstrologyAPI using location and timezone lookups, and uses ...
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This workflow accepts a resume PDF via webhook, extracts the text, and uses OpenRouter (OpenAI model) to generate an ATS-style analysis and score for a specified job role, returning a c ...
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This workflow receives new GoHighLevel contacts via webhook, uses Anthropic Claude Sonnet to score and classify them as Hot/Warm/Cold, tags the contact in GoHighLevel accordingly, alert ...
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This workflow accepts invoice PDFs or images from an n8n Form or Telegram, uses Google Gemini to OCR and extract structured invoice fields and line items, appends the results to Google ...
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This workflow turns Telegram into a personal task manager by using Anthropic Claude to create, update, list, and delete tasks stored in an n8n Data Table, while also sending scheduled d ...
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This workflow logs job postings sent via Telegram into Google Sheets using Anthropic Claude to extract structured fields, and generates an on-demand Telegram report (/report) that analy ...
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This workflow runs every weekday morning, fetches the latest available TWSE institutional trading and market data plus CNYES headlines, summarizes it with OpenAI into a short briefing, ...
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This workflow downloads an audio file, transcribes it with OpenAI Whisper, classifies the transcript intent using OpenAI GPT-4o-mini, and returns a simple response message based on the ...
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This workflow uses Telegram to collect or queue article URLs from Google Sheets, then scrapes the page and uses Google Gemini (with Groq fallback) to generate and quality-check a Linked ...
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This workflow runs on a frequent schedule to check UptimeRobot monitor status and a Google PageSpeed Insights test, logs monitor data to Google Sheets, and sends uptime or downtime noti ...
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This workflow receives an intake-form webhook, validates and enriches firm details, uses OpenAI and SerpAPI to research AI governance obligations, generates four branded policy document ...
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A Slack bot that reviews any n8n workflow on demand. Mention it or DM it a workflow URL and it replies in-thread with a graded review, plain-English overview, and findings tiered as Mus ...
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This workflow triages emails with a local Ollama LLM (gemma4:e4b), flags urgent messages for immediate alerting, and compiles a morning digest grouped by urgency categories.
How it wor ...
Quick Overview
This workflow receives inbound lead messages from HighLevel (LeadConnector), pulls prior conversation history from Supabase/Postgres, uses OpenAI to generate a short reply, and updates ...
Quick overview
This workflow receives inbound lead data via a webhook, uses Anthropic Claude to qualify it as HOT, WARM, or COLD, then routes HOT leads to Gmail and WARM leads to Google Sheets, and fi ...
Quick overview
This workflow runs weekly or on demand via Telegram commands (/report, /issues, /prs, /status) to fetch all your GitHub repositories and events, summarizes the last 7 days using an Open ...
