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 two daily schedules to research crowdfunding campaign leads from Google Sheets using Firecrawl, DeepSeek/OpenAI, Jina AI, Perplexity, Hunter, and Lemlist, then verifi ...
Quick overview
This workflow collects GeM tender details via an n8n Form, validates the submission deadline, checks Google Sheets for duplicates, and uses OpenAI (gpt-4o-mini) to score technical compl ...
Quick overview
Production-grade AI workflow with pre-spend budget enforcement, dual-model verification (OpenAI + Claude), and full audit logging. Built and refined over 3+ months of real-world use.
H ...
Quick overview
This workflow watches a Google Drive folder for new contracts, uses Anthropic Claude to extract and assess clauses against your legal playbook and hard limits, then aggregates a verdict ...
Quick overview
This workflow runs daily, reads a queued carousel request from Google Sheets, uses Google Gemini to generate a concept, caption, and 5–6 slide prompts, creates slide images, uploads t ...
Quick Overview
This workflow runs daily on a schedule, queries CourtListener for new opinions matching topics and courts defined in a WordPress plugin, drafts neutral case summaries with OpenAI, and p ...
Quick overview
Create OPNsense firewall and destination NAT rules directly from Telegram using natural-language requests and AI-assisted rule interpretation.
This workflow adds a controlled approval l ...
Quick Overview
This workflow posts scheduled market and finance-news summaries to Discord using RSS sources, Yahoo Finance, FX and gold price APIs, and Google Gemini, while also exposing a webhook com ...
Quick overview
This workflow receives security alerts via a webhook, normalizes and enriches them with AbuseIPDB, ipinfo.io, and VirusTotal lookups, then uses OpenAI to generate a SOC-style triage (se ...
Quick overview
This workflow runs weekly or on demand to ask ChatGPT (via Bright Data) buyer-style questions about your product, extracts checkable claims with OpenAI, verifies them against your own t ...
Quick overview
This workflow checks an AI-generated answer against its provided source text using deterministic rules and a Groq LLM judge, then returns a PASS/REVIEW/BLOCK verdict and logs the result ...
Quick overview
Paste a list of Instagram handles and the fee you had in mind. Bright Data pulls each profile and its recent posts, and the workflow computes engagement against the real follower count, ...
Quick Overview
This workflow triggers when a TeamRetro health check completes, compares each dimension score against a rolling baseline from recent checks, and uses OpenAI to generate a neutral interp ...
Quick overview
This workflow runs every three days to scan a Google Sheets list of authority websites, uses OpenAI with a web-scraper sub-workflow and Perplexity search to extract recent regulatory no ...
Quick overview
This workflow pulls suppliers from Notion, searches NewsAPI.org for recent articles about each supplier, and uses Groq to flag labor or human rights violation signals. When risk is dete ...
Quick overview
This workflow runs weekly to compare employee and supplier records in Google Sheets, score potential conflict-of-interest matches, and use Groq (LLM) to generate a neutral risk explanat ...
Quick overview
Runs every weekday morning, finds overdue unpaid invoices in Google Sheets, and checks Gmail first so anyone who has already replied is held rather than chased. Drafts a stage-appropria ...
Quick Overview
This workflow runs weekly to combine procurement spend and budget data from Google Sheets with inflation data from the World Bank API and USD/INR FX rates, then uses Groq (OpenAI gpt-os ...
Quick overview
This workflow pulls article topics and reference links from Google Sheets, uses a Groq-powered LangChain agent to generate long-form Markdown articles, converts them to Word documents w ...
Quick overview
This workflow receives Twilio call status callbacks, detects missed inbound calls, looks up the caller in Google Sheets, and uses OpenAI (GPT-5.6) to draft a short SMS reply. It sends t ...