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
in Langchain
Nodes:
Sort:
Date:
Quick overview
This workflow runs weekly to read student performance data from Google Sheets, calculates a risk index and trend, generates personalised nudge messages with OpenAI for high-risk student ...
Quick overview
This workflow generates a draft with an Anthropic chat model, critiques it against your house rules and rubric, and iterates revisions until it meets an approval threshold or hits stop ...
Quick overview
This workflow receives support tickets via webhook (or manual test), uses Anthropic chat models to triage, research your documentation over HTTP, and draft a reply, then either auto-sen ...
Quick overview
This workflow exposes a webhook-powered document Q&A chatbot that searches a Pinecone vector database with OpenAI embeddings, reranks results with Cohere, optionally falls back to Googl ...
Quick overview
This workflow runs daily (or on demand) to discover Zillow listings via Bright Data, detect recent price cuts and underpriced homes, score them using comparable-sales $/sqft, and then u ...
Quick overview
This workflow runs weekly (or on demand) to check Google AI Overview citations for a set of keywords using Bright Data, compares the cited domains to last run’s results, generates a s ...
Quick overview
This workflow monitors Gmail for new messages, detects emails by subject keywords, uses OpenAI to draft a reply grounded only in your provided guidelines, and saves the response as a Gm ...
Quick overview
This workflow collects a YouTube video URL via an n8n form, fetches the video transcript from Supadata (with async polling for longer videos), and uses OpenAI to generate a standalone b ...
Quick Overview
This workflow runs every weekday morning, pulls the last 24 hours of messages from a Slack standup channel, uses OpenAI to format them into Shipped/Blockers/Next Up sections, and posts ...
Quick overview
This workflow runs every morning, reads multiple RSS feeds, uses OpenAI to generate a plain-text daily digest from the latest items, and emails the summary via SMTP.
How it works
Runs ...
Quick overview
This workflow receives Instagram webhook events, generates public comment replies and optional follow-up DMs using Google Gemini, posts replies via the Facebook Graph API, and logs acti ...
Quick overview
This workflow captures vendor bank-detail change requests via an n8n form, checks them against a verified vendor register, validates sender-domain DNS and email tactics with Groq, and o ...
Quick overview
This workflow watches for Help Scout conversations tagged “retro”, uses OpenAI to classify and summarise the customer’s first message, deduplicates against recently parked items, ...
Quick Overview
This workflow pulls the last 24 hours of aggregated security logs from a SIEM API, normalizes and deduplicates events, uses OpenAI to generate a daily risk briefing with optional escala ...
Quick overview
This workflow receives supplier onboarding submissions via webhook, downloads and parses PDF documents, extracts structured fields with Google Gemini, validates required documents and d ...
Quick overview
This workflow runs daily at 9 AM to assess supplier risk using Google Sheets KPIs, Google News RSS headlines, OpenSanctions screening, and currency rates, then uses Groq LLM analysis to ...
Quick overview
This workflow runs daily to pull 30-day account usage from your product API, compute a health score, and use OpenAI to classify churn risk and recommend a retention play, then routes ac ...
Quick overview
This workflow receives Shopify return/RMA requests via webhook, fetches order details from the Shopify Admin API, uses OpenAI (GPT-4o) to decide whether to approve, review, or deny the ...
Quick overview
This workflow collects job applications via an n8n Form, uses Google Gemini to score and summarize resumes against a predefined job rubric, routes candidates by match score, and produce ...
This template is for compliance teams, support teams, HR operations, legal teams, and builders who want to use AI analysis while reducing exposure of personal data. It is useful when documents, ticket ...
