Classify cold email replies and triage Gmail with Claude and Slack
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 14 nodes and runs on Gmail events. Along the way it connects Gmail, Anthropic Chat Model and Slack.
How it runs
Trigger: On Gmail events.
- Config (edit me) (Edit Fields (Set)): sets 8 fields: offer_context, slack_channel, not_now_label_id…
- Classify Reply + Draft Response (Basic LLM Chain): sends a prompt to an LLM, with model: Anthropic Chat Model; output parser: Structured Output Parser
- Route by Category (Switch): routes items into 6 branches
- Notify Slack (Slack): uses Slack
- Label Not Now (Gmail): add labels
- Label Out Of Office (Gmail): add labels
- Label Unsubscribe (Gmail): add labels
- Label Referral (Gmail): add labels
- Label Objection (Gmail): add labels
- Label Review (Gmail): add labels
…plus 1 more step. See the full node list below.
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.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (New Email Reply).
Nodes used (8)
- Gmail Trigger
n8n-nodes-base.gmailTrigger - 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 - Slack
n8n-nodes-base.slack - Gmail
n8n-nodes-base.gmail
From the author
Quick overview This workflow monitors Gmail for new email replies, uses Anthropic Claude to classify each reply and draft a suggested response, then routes interested replies to Slack and a Gmail draft while labeling all other replies in Gmail for triage. How…