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
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Summarize and triage your daily Gmail inbox into Slack with Groq Llama 3.3
Quick Overview This workflow runs every day at 8 AM, pulls the last 24 hours of emails from your Gmail Primary inbox, summarizes their full content using Groq’s Llama 3.3, and posts an actionable da ...
1
Built by Filip Mijic Filip Mijic
Jun 11, 2026
Track commodity news sentiment with Groq, Google Sheets, and Slack
Quick Overview This workflow runs daily at 10:00 and reads commodity news from OilPrice and Invezz RSS feeds, uses a Groq-hosted LLM to classify sentiment and extract commodity/impact details, appends ...
0
Jun 11, 2026
Track investor behavior with NewsAPI, Gemini, Groq and Slack alerts
Quick Overview This workflow captures an investor’s buy/sell action via an n8n Form, pulls related market news from NewsAPI, uses Google Gemini to generate a one-line behavioral reflection, sends it ...
0
Jun 11, 2026
Capture and log trade instructions from Gmail with Gemini and Google Sheets
Quick Overview This workflow watches Gmail for emails with the subject “Trade Instruction”, uses Google Gemini to extract structured trade fields, validates the result, logs valid trades to Google ...
0
Jun 11, 2026
Send commodity investment briefings from CNBC RSS with Gemini and Slack
Quick Overview This workflow pulls commodity-related headlines from the CNBC RSS feed, filters and ranks the most relevant items, uses Google Gemini to generate an actionable commodity investment brie ...
0
Jun 11, 2026
Run a margin-aware paid AI agent with Alephant x402 and Discord
Quick overview This workflow exposes a paid webhook endpoint, verifies budget via Alephant usage analytics, routes the request through an OpenAI-based agent to pick the most cost-effective model, runs ...
0
Built by alephantAI alephantAI
Jun 11, 2026
Build a RAG knowledge base from PDFs with Gemini, Supabase and Google Sheets
Quick Overview This workflow ingests educational PDF URLs from Google Sheets, extracts and chunks their text, generates embeddings with Google Gemini, and stores them in a Supabase pgvector table for ...
1
Jun 11, 2026
Qualify inbound leads with OpenAI, Google Sheets and Slack alerts
Quick Overview This workflow receives lead submissions via a webhook, normalizes the fields, uses OpenAI to score and categorize each lead with a structured JSON output, appends every lead to Google S ...
0
Jun 10, 2026
Triage support emails with Gmail, OpenAI, Slack, and Google Sheets
Quick Overview This workflow monitors a labeled Gmail support inbox, uses OpenAI to classify and draft replies with thread context from Google Sheets, then posts each ticket to Slack with approval but ...
0
Jun 10, 2026
Build a cost engineering RAG with Google Drive, OpenAI, and Pinecone
Quick Overview This workflow ingests PDF cost-engineering manuals from Google Drive into a Pinecone vector index using OpenAI embeddings, then answers user questions via an n8n chat webhook using a re ...
2
Jun 10, 2026
Write and track cold emails with Google Gemini and Gmail
Quick Overview This workflow uses an n8n Chat trigger with Google Gemini to draft a personalized cold email, sends it via Gmail with a tracking pixel, and then captures opens through a webhook that tr ...
0
Built by Ravi Patel Ravi Patel
Jun 10, 2026
Score sales outreach opportunities from RSS feeds with Claude and Gmail
Quick Overview This workflow runs on a weekly schedule, reads an RSS feed (for example, a subreddit RSS), scores recent items with Anthropic Claude as sales-outreach opportunities against your offerin ...
0
Jun 10, 2026
Extract B2B lead emails from Google results with SerpApi, Apify and Claude
Quick Overview This workflow runs on a schedule, searches Google via SerpApi for a chosen topic, scrapes the top results’ webpages with Apify, uses Anthropic Claude to extract email addresses from t ...
1
Jun 10, 2026
Review business ideas as a virtual board with Anthropic Claude
Quick Overview This chat-driven workflow uses Anthropic Claude to act as a virtual Board of Directors, sending your business idea to five executive agents (CMO, CFO, CPO, COO, and CLO) and then synthe ...
0
Jun 10, 2026
Triage support emails with EmailConnect, Notion KB, and OpenRouter
Quick Overview This workflow receives inbound support emails via an EmailConnect webhook, filters likely spam, matches the message against a Notion Q&A knowledge base using an OpenRouter chat model, a ...
0
Jun 10, 2026
Score content virality with OpenAI, Google Sheets and Slack
Quick Overview This workflow accepts content submissions via webhook or a weekday schedule, pulls historical performance from Google Sheets, fetches trend and audience signals via HTTP APIs, uses Open ...
18
Jun 10, 2026
Build a Slack knowledge graph with Claude, Neo4j and Google Sheets
Quick Overview This workflow ingests chat messages via a webhook or a 15-minute schedule, filters out low-signal content, uses Anthropic Claude to extract entities and relationships, and stores the re ...
1
Jun 10, 2026
Analyze Google Calendar patterns with OpenAI and send Gmail weekly digest
Quick Overview This workflow runs on a weekday schedule or via webhook, pulls events from Google Calendar, analyzes meeting and focus-time patterns, generates optimization advice with OpenAI, then ema ...
0
Jun 10, 2026
Score resume authenticity with GitHub, LinkedIn, OpenAI and Google Sheets
Quick Overview This workflow accepts resume submissions via webhook or a weekday schedule, extracts verifiable claims from the resume text, cross-checks them against GitHub and LinkedIn data, uses Ope ...
1
Jun 10, 2026
Extract meeting action items and decisions with OpenAI, Asana and Sheets
Quick Overview This workflow ingests meeting audio or transcripts via a webhook or a 30-minute schedule, uses OpenAI (Whisper and GPT-4.1-mini) to extract summaries, decisions, and action items, creat ...
0
Jun 10, 2026