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TemplateN8N workflow JSON + Claude system prompt + setup guide

Lead Capture & Routing OS

The exact N8N workflow + Claude system prompt that took a D2C client's median response time from 4 hours to 11 minutes. Clone, swap creds, ship.

If you're a founder losing leads on weekends, on weeknights, or because your sales rep is in a meeting — this product is for you.

It's the same workflow from the D2C case study shipped as something you can clone into your own N8N instance and run.

What's inside

  • The N8N JSON. Import, swap credentials (Claude API key, Slack webhook, your Sheet URL), test, ship.
  • The Claude system prompt. Brand voice, intent classification rules, budget scoring, and the all-important cache_control markers placed correctly so you don't burn money.
  • The Slack message format. Block-kit JSON with three buttons your rep taps once. The button callbacks loop back into the same workflow.
  • A 25-minute Loom walkthrough — I deploy a fresh copy onto a clean N8N while you watch, including the part where the OAuth handshake usually fails.
  • A debug checklist for the five things that break the first time (always-the-same five things).

What you'll need

  • An N8N account (cloud or self-hosted; both work).
  • An Anthropic API key with a few dollars of credit. The workflow uses ~$0.001 per lead at typical volume.
  • A Slack workspace you control, with permission to install an app.
  • A Google account (for the Sheets CRM tab — used as a flat-file CRM you can graduate out of later).

What it does

Three things:

  1. Catches every inbound lead — webhook accepts payloads from your website form, the Meta Lead Ads connector, Instagram DM forwarders, or anything else that can POST JSON.
  2. Classifies and drafts — Claude picks buyer / affiliate / noise, scores a budget hint, and writes a brand-voice first reply.
  3. Lands in the right place — Slack DM to the right rep for hot leads, Sheets row for warm leads, archived silently for noise. Your rep taps Send, Edit, or Archive. That's the entire UX.

What it's not

  • Not a multi-tenant CRM. Use this when you're handling under ~5,000 leads per month per workflow. Beyond that, the Sheet-as-CRM piece starts to groan and you'll want a real CRM.
  • Not a no-code promise. There's about 40 lines of light JavaScript across two N8N nodes. We walk through every line.

Refund

If the workflow doesn't run end-to-end on your account within 14 days of purchase, email me — full refund, no questions.