Browse 6,295 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.

6,295 workflows in Langchain
Nodes: Sort: Date:
Generate English–Polish vocabulary quizzes with Google Sheets and Groq
Quick overview Tool useful for any language exams. It is a chat-based workflow that uses Google Sheets in Structure English|your language that using free Groq model (Llama 3.3) generate lists of 10 w ...
0
Built by JanSelga JanSelga
Jun 29, 2026
Create social posts from RSS feeds with OpenAI, Unsplash, and Buffer
Quick overview This workflow polls an RSS feed for new articles, uses OpenAI to generate platform-specific copy for X, LinkedIn, and Instagram, pulls a related random image from the Unsplash API, and ...
0
Jun 29, 2026
Score LinkedIn leads in Google Sheets with Bright Data and Claude
Quick overview This workflow watches a Google Sheets leads sheet, enriches each new lead with LinkedIn person and company data from Bright Data, then uses Anthropic Claude to generate a 0–100 lead s ...
1
Jun 29, 2026
Monitor n8n security advisories from GitHub, NVD, JPCERT and JVN with Claude and Slack
Quick overview This workflow runs hourly to monitor n8n-related security information from GitHub Advisories, NVD (NIST) CVE data, GitHub n8n security release notes, and JPCERT/JVN RSS feeds, then summ ...
0
Built by hinata hinata
Jun 29, 2026
Create blog drafts, images, and LinkedIn posts with Tavily, Gemini, and OpenAI
Quick overview This workflow receives a blog request via webhook, researches the topic with Tavily, generates a long-form HTML article using Google Gemini, creates two images via the kie.ai API, store ...
1
Built by n8n Lab n8n Lab
Jun 28, 2026
Send weekly curated news newsletters with Bright Data, Claude, and Gmail
Quick overview This workflow runs every Monday to scrape Google News with Bright Data, fetch and clean the full text of the top five unique stories, generate an HTML newsletter with Anthropic Claude, ...
0
Jun 28, 2026
Analyze Instagram profiles with Apify, Google Gemini, and Supabase
Quick overview This workflow receives an Instagram username via webhook, checks Supabase for a recent cached analysis, and if needed scrapes recent posts with Apify and generates niche, content, and e ...
0
Built by Pawan Pawan
Jun 28, 2026
Qualify open house leads and send AI follow-ups with Google Sheets and Gmail
Quick overview When a visitor signs in at your open house, this workflow instantly scores their buying intent using Gemini AI, sends a personalized follow-up email via Gmail, logs every visitor to Goo ...
1
Built by Hassan Hassan
Jun 28, 2026
Generate digital product launch content with OpenAI GPT-4o-mini and Google Sheets
Quick overview This workflow generates a multi-channel digital product launch content pack from product details, using OpenAI to create a blog intro, LinkedIn post, X post, Instagram caption, and laun ...
0
Jun 28, 2026
Monitor AI search visibility with Talordata SERP, OpenAI, and Google Sheets
Quick overview This workflow runs on demand to crawl Google SERP pages via Talordata, aggregates organic results and related searches, uses OpenAI to produce a structured AI Search Visibility report w ...
1
Jun 28, 2026
Scrape Tunisia IT job listings with Groq, Firecrawl, Airtable, and Resend
Quick overview This workflow runs daily or via chat to scrape Tunisia-focused IT job listings from predefined company career pages using Firecrawl, saves results into Airtable tables, and emails a dai ...
2
Built by Dhia Kassab Dhia Kassab
Jun 27, 2026
Create Google Tasks from Tactiq meeting transcripts using OpenAI and Telegram
Quick overview This workflow monitors a Google Drive folder for new Tactiq transcript files, uses OpenAI to extract explicit action items, creates matching Google Tasks, sends a Telegram notification, ...
0
Jun 27, 2026
Run a multi-agent research and publishing pipeline with GPT-4o, Tavily and Notion
Quick overview Three specialized AI agents: Researcher, Writer, and Reviewer, collaborate autonomously to research a topic, draft content, and quality-check it through a self-correcting review loop wi ...
0
Jun 27, 2026
Route rental payment and receipt messages with Telegram and OpenAI GPT-4.1
Quick overview This demo workflow listens for Telegram rental messages, routes receipt-related commands, uses OpenAI to classify payments, costs, and booking summaries, then replies with parsed detail ...
0
Built by Alassane Alassane
Jun 27, 2026
Review workflow JSON for risks and best practices with Groq (Llama 3.3)
Quick overview This workflow exposes a webhook that accepts an exported n8n workflow JSON, runs static validation and risk checks, then uses Groq (Llama 3.3 70B) via an AI agent to return a structured ...
1
Jun 27, 2026
Generate workflow audit docs from JSON with Claude Sonnet and Notion
Quick overview This workflow collects an exported n8n workflow JSON via an n8n Form, audits it for common reliability and security issues, uses Anthropic Claude to draft a business summary and technic ...
0
Jun 27, 2026
Create SEO blog posts from YouTube videos with Gemini and Google Docs
Quick overview Submit a YouTube URL and get a publish-ready SEO blog post. Three Gemini agents research the video, write the article, and score it. Articles scoring 7+ auto-publish to Google Docs. Low ...
0
Built by Ibrahim Ibrahim
Jun 26, 2026
Classify workflow errors with Claude and deduplicate Jira and Slack alerts
Quick overview This global error-handling workflow classifies n8n execution failures with Anthropic Claude, deduplicates incidents in Jira using a hash label, and posts a detailed alert to Slack with ...
2
Jun 26, 2026
Handle clinic appointments via MCP tools for Vapi and Retell voice agents
Quick overview This workflow exposes appointment management tools through an n8n MCP Server webhook so an external AI voice agent (for example, Vapi or Retell) can check availability, book appointment ...
1
Jun 25, 2026
Index and query financial documents with Qdrant and Mistral
Quick Overview This workflow ingests local financial documents into a Qdrant vector database using Mistral Cloud embeddings, keeping the index in sync when files are added, changed, or deleted. How i ...
0
Jun 25, 2026