Qualify inbound email leads with Claude Haiku, Gmail, and Google Sheets
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 9 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects Anthropic Chat Model, Gmail and Google Sheets.
How it runs
Trigger: When an HTTP POST request hits its webhook URL.
- Set Lead Fields (Edit Fields (Set)): sets 4 fields: name, email, company…
- Score Lead with Claude (Basic LLM Chain): sends a prompt to an LLM, with model: Claude Haiku; output parser: Structured Output Parser
- Route by Score (Switch): routes items into 2 branches
- Alert: Email HOT Lead (Gmail): send
- Log WARM Lead (Google Sheets): append
- Return Score to Caller (Respond to Webhook): sends the response back to the webhook caller
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Webhook
n8n-nodes-base.webhook - Edit Fields (Set)
n8n-nodes-base.set - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Switch
n8n-nodes-base.switch - Gmail
n8n-nodes-base.gmail - Google Sheets
n8n-nodes-base.googleSheets - Respond to Webhook
n8n-nodes-base.respondToWebhook
From the author
Quick overview This workflow receives inbound lead data via a webhook, uses Anthropic Claude to qualify it as HOT, WARM, or COLD, then routes HOT leads to Gmail and WARM leads to Google Sheets, and finally returns the score in the webhook response. How it…