Answer, qualify and book every inbound lead in under two minutes

A builder shared a 9-node n8n and Claude workflow that scores inbound leads, replies to good ones from Gmail and logs the rest for review.

Difficulty
BeginnerOur rating
Time to build
Not reportedOur estimate
Monthly cost
Sourced: pennies per leadFrom the source
Revenue
Not reportedWe only show revenue the source states
Engagement
No public countThe source shows no number

What they did

Claude returns strict JSON with a 1-10 score; leads at 6+ get a personalized reply with a booking link, others are logged for manual review. Haiku scores, Sonnet writes.

How it went

Released free under MIT; cost is pennies per lead, he says.

Worth knowing

A commenter recommends an idempotency key so retries never send two emails.

Builder recipe

Our own starting point, written from the source. Adapt it to your setup.

Stack

  • n8n
  • Claude (Haiku + Sonnet)
  • Gmail
  • Airtable

Steps

  1. Connect your lead sources and CRM.
  2. Have the agent enrich, dedupe and draft, not send.
  3. Review drafts and push approved items to the CRM or sequencer.
  4. Track replies and tune the prompts.

Starter prompt

Return only minified JSON: {"score":1-10,"temp":"hot|warm|cold","summary":"..."} for this lead.

Open the repo β†— (opens in new tab)

Tags

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