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
Searches Hacker News and Stack Overflow for recent threads matching your keywords, then asks a model twice: whether a reply would genuinely help, and what to write. Drafts land in Disco ...
Quick overview
This workflow runs every morning to search Reddit via API Direct, uses an OpenAI chat model to classify posts as buying-intent leads, and sends a Gmail digest email containing only newl ...
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This workflow runs every four hours to search public X mentions via Apify, uses an OpenAI chat model to classify each mention as a question, complaint, or noise, then routes questions t ...
Quick Overview
This weekly workflow uses Apify to collect public Reddit posts, OpenAI to extract and theme real product complaints, and Notion to store them as a structured complaints board with sever ...
Quick overview
This workflow runs a chat-based support agent powered by Groq, records every tool call the agent makes into an n8n Data Table, and appends an audit note that flags any numbers in the fi ...
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This workflow ingests a Google Drive knowledge base into Postgres/pgvector, then drafts and quality-checks support email replies using OpenRouter LLMs and OpenAI embeddings, automatical ...
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This workflow monitors a Gmail label for unread supplier invoice emails, extracts key fields from PDF attachments with OpenAI, matches invoices against n8n Data Tables of open purchase ...
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This monthly workflow reads employee and leave data from Google Sheets, calculates who risks missing Japan’s mandatory paid-leave minimum, generates Japanese reminder copy with Google ...
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This workflow checks Google Search Console for queries where multiple site URLs appear, verifies whether the overlaps are real by fetching each URL’s redirect/canonical/hreflang signa ...
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This workflow receives sponsorship inquiries via a webhook, uses OpenAI GPT-4o to qualify sponsor fit and draft a proposal opening, logs the lead to Google Sheets, then sends follow-up ...
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This workflow indexes your documentation from a sitemap into an n8n Data Table using Google Gemini embeddings, then monitors a Gmail support label to draft grounded replies from the clo ...
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This workflow polls Ivanti Neurons for ITSM for unclassified incidents, pulls related attachments for added context, and uses an OpenAI chat model to choose the best Service and Categor ...
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This workflow runs weekly to audit SaaS seats listed in Google Sheets, fetches last-activity data from Google Workspace, Slack, Zoom, or a generic usage API, uses OpenAI (gpt-4o-mini) t ...
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This workflow runs weekly to scan GitHub repositories for JavaScript and Python dependencies, checks their release health via npm/PyPI and known vulnerabilities via OSV, then ranks the ...
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This workflow handles GDPR access or erasure requests by taking an email identifier, searching multiple connected systems (demo n8n Data Tables by default), recording per-system evidenc ...
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This workflow runs from an n8n form to collect a lead-gen campaign, searches Google Maps via Apify, enriches contacts using website scraping and Outscraper, qualifies leads, generates G ...
Quick Overview
This workflow receives ops requests via a webhook, uses Google Gemini to classify and summarize them, prevents duplicates using Google Sheets, then logs the task, emails the requester v ...
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This workflow accepts new leads via a webhook, validates and deduplicates them in Google Sheets, enriches contact and company details via HTTP APIs, scores the lead with Google Gemini, ...
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This workflow watches a Google Drive folder for new screenshot files, uses OpenAI (GPT-4o-mini) to extract tasks as structured JSON, appends the tasks to Google Sheets, and then sends a ...
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This workflow accepts expense receipts via a web upload webhook or email (IMAP), uses Google Gemini to extract claim details, checks policy rules and past spend in Google Sheets, and ei ...
