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 keeps a Qdrant knowledge base synced with Google Drive documents and lets users ask questions via n8n Chat or Slack, using OpenAI for embeddings and responses with source ...
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This workflow exposes a secure webhook API for a Next.js app to run a RAG chat agent using OpenAI, a Pinecone vector store, Redis caching, and Postgres logging, and it optionally calls ...
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This workflow runs weekly, searches selected topics with Brave Search, scrapes the top results with Firecrawl, and uses Anthropic Claude to write a cited weekly research brief. It forma ...
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This workflow runs daily to fetch new CISA KEV vulnerabilities, enrich them with NVD CVSS data, optionally match them against your RMM/EDR/network device inventory, and use Google Gemin ...
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Video Explanation: https://youtu.be/TeYVU4NSgrE
This workflow pulls UK Copart auction listings via Apify, saves selected lots to Google Sheets, then analyzes newly added rows with Goog ...
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This workflow masks sensitive PII in a customer prompt using Enterprise PII Guardrails, sends the sanitized text through a simulated LLM step, and then restores the original values in t ...
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A new lead arrives from a portal email, a website form or a CRM webhook. Claude qualifies it and drafts a first reply in your voice, quiet hours and consent are checked, Gmail sends it, ...
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This workflow checks up to three service URLs every 30 minutes, logs each result to Google Sheets, and sends Gmail alerts only when a service transitions between UP and DOWN.
How it wo ...
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This workflow runs nightly to read unindexed knowledge base records from Postgres, checks each record against a Postgres consent register, and only embeds eligible text with OpenAI into ...
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This workflow monitors Gmail for subcontractor bid quote emails, uses OpenAI to match and extract pricing and scope coverage, stores leveled results in n8n Data Tables, and runs a daily ...
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This workflow monitors a Gmail inbox for PDF invoices, extracts key fields with OpenAI, and cross-checks them against Google Sheets supplier, purchase order, and ledger registers to det ...
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This workflow handles WhatsApp booking requests using OpenAI and Airtable. It supports text and voice messages, checks availability, creates, confirms and cancels bookings, answers FAQs ...
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This workflow ingests meeting transcripts from Telegram messages or new .txt files in Google Drive, uses OpenAI (gpt-4o-mini) to extract a summary and action items, creates correspondin ...
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This workflow collects freelancer applications via an n8n Form, uses OpenAI to extract structured signals and generate a hiring recommendation, calculates a deterministic suitability sc ...
Competitor alerts you can actually act on. This workflow snapshots each watched pricing or launch page on its own cadence, and only lets a page that genuinely changed reach AI, which has to hand back ...
Lead magnets that arrive on time, and follow-ups that stay on the right side of consent. This workflow delivers the best-matched magnet for each n8n Form request, retries anything that fails to send, ...
Blog posts that turn into social packs a human still signs off on. This workflow takes article links from Telegram, blocks duplicate work with a stable content key, quality-checks the LinkedIn, X, new ...
Dental clinic leads found, vetted, and emailed without a spreadsheet marathon. This workflow searches Google Maps through SerpAPI every Monday morning, checks each clinic for both a phone number and a ...
Quick overview
This workflow captures receipt attachments from Gmail and receipt photos from Telegram, extracts structured expense details with OpenAI (gpt-4o-mini), logs each expense as a new page in ...
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This workflow runs every 15 minutes to pull upcoming Google Calendar meetings, find related Gmail threads for context, and use OpenAI (GPT-4o-mini) to generate a concise agenda, then cr ...