HubSpot Marketing Email Intelligence v1.0.0

Weekly AI analysis of your HubSpot marketing email campaigns — ranks effectiveness, detects segment fatigue, interprets A/B tests, and recommends send time optimizations.

Weekly AI analysis of your HubSpot marketing email campaigns — ranks effectiveness, detects segment fatigue, interprets A/B tests, and recommends send time optimizations. Delivers intelligence briefs to Notion and top 3 action digests to Slack.

How It Works: Email Intelligence Pipeline

Step 1The Fetcher

Code-only

Pulls email campaign analytics from the HubSpot Marketing API — sends, opens, clicks, bounces, unsubscribes, A/B variant data, send timestamps, and segment associations.

Step 2The Assembler

Code-only

Computes 5 Email Intelligence Dimension metrics: campaign effectiveness deltas, segment fatigue indicators, A/B test statistical outcomes, send time performance windows, and content theme engagement patterns.

Step 3The Analyst

Tier 2 Classification

Scores all 5 dimensions (1-10), assigns alert priority (URGENT/WARNING/INFORMATIONAL), and generates top 3 recommended actions with chain-of-thought reasoning.

Step 4The Formatter

Tier 3 Creative

Generates a Notion weekly email intelligence brief with dimension breakdowns, trends, and actions, plus a Slack Block Kit digest with alert priority and top 3 actions.

What It Does NOT Do

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Does not send or modify marketing emails — it reads campaign analytics only

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Does not replace your email marketing manager — it provides data-driven intelligence for human decision-making

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Does not work with Mailchimp, Klaviyo, or other email tools — HubSpot Marketing API only in v1.0

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Does not predict future campaign performance — it scores current and historical campaign health

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Does not guarantee improved email metrics — it identifies optimization opportunities for human follow-up

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Does not handle real-time campaign monitoring — it runs weekly aggregate analysis, not per-send

The Complete Customer Success Bundle

7 files.

hubspot_marketing_email_intelligence_v1_0_0.jsonMain n8n workflow (25 nodes)
hubspot_marketing_email_intelligence_scheduler_v1_0_0.jsonScheduler workflow (3 nodes)
README.md10-minute setup guide
docs/TDD.mdTechnical Design Document
system_prompts/analyst_system_prompt.mdAnalyst prompt (5-dimension email intelligence scoring + top 3 actions)
system_prompts/formatter_system_prompt.mdFormatter prompt (Notion intelligence brief + Slack digest)
CHANGELOG.mdVersion history

Tested. Measured. Documented.

Every metric is ITP-measured. The HubSpot Marketing Email Intelligence blueprint scores five email intelligence dimensions — Sonnet 4.6 for analysis and formatting, weekly aggregate cost.

HubSpot Marketing Email Intelligence v1.0.0────────────────────────────────────────Nodes          25 + 3 (scheduler)Agents         4 (Fetcher → Assembler → Analyst → Formatter)Model          Sonnet 4.6 (SINGLE-MODEL)Tool A         HubSpot (OAuth2)Tool B         Slack (httpHeaderAuth Bearer)Tool C         Notion (httpHeaderAuth Bearer)Trigger        Schedule (Monday 9:00 UTC) + WebhookPattern        AGGREGATE — weekly email intelligenceBQS            12/12 PASSITP            8/8 variations · 14/14 milestones

What You'll Need

Platform

n8n 2.7.5+

Est. Monthly API Cost

Weekly run cost ~$0.03-0.10/run ($0.13-$0.43/month)

Credentials Required

  • Anthropic API
  • HubSpot OAuth2 (Marketing Hub Starter+)
  • Slack (Bot Token, httpHeaderAuth Bearer)
  • Notion (httpHeaderAuth Bearer)

Services

  • HubSpot Marketing Hub (Starter+ plan, content scope)
  • Slack workspace (Bot Token with chat:write scope)
  • Notion workspace (integration token)
  • Anthropic API key

Setup Track

Quick Start

~15 min

All credentials live, n8n running

Full Setup

1–2 hrs

Needs API config + tables

From Scratch

2–4 hrs

No n8n, no credentials

HubSpot Marketing Email Intelligence v1.0.0 v1.0.0

$199

one-time purchase

What you get:

  • Production-ready 25+3 node n8n workflow — import and deploy
  • Weekly schedule: fires every Monday at 9:00 UTC (customizable)
  • Five email intelligence dimensions: campaign effectiveness, segment fatigue, A/B test interpretation, send time optimization, content theme performance
  • Alert Priority: URGENT (>30% decline) / WARNING (20-30%) / INFORMATIONAL (<20%)
  • Top 3 recommended actions with dimension references and expected impact
  • Segment fatigue detection with configurable decline threshold
  • A/B test interpretation with statistical significance analysis
  • Send time optimization with best/worst window identification
  • Notion weekly intelligence brief with dimension breakdowns and trends
  • Slack Block Kit digest with alert priority and top 3 actions
  • Split-workflow pattern: scheduler + main pipeline (both included)
  • SINGLE-MODEL: Sonnet 4.6 for analysis and formatting — no Opus needed
  • AGGREGATE pattern: one Analyst call per weekly run, not per campaign
  • ITP 8/8 variations, 14/14 milestones measured
  • All sales final after download

Frequently Asked Questions

What are the five email intelligence dimensions?+

Campaign Effectiveness (open/click/conversion rates vs baseline), Segment Fatigue (engagement decline per audience segment), A/B Test Interpretation (statistical significance and actionable outcomes), Send Time Optimization (performance variance by send time/day), and Content Theme Performance (engagement patterns by content category).

What is the alert priority system?+

URGENT: any dimension scored 1-3 or declined >30% vs baseline. WARNING: any dimension scored 4-5 or declined 20-30%. INFORMATIONAL: all dimensions scored 6+ with <20% decline. The alert priority drives notification urgency in Slack and Notion.

How does this differ from Email Intent Classifier (#11)?+

EIC classifies inbound email intent from Gmail/Pipedrive — it reads emails your team receives. HMEI analyzes outbound marketing email campaigns from HubSpot — it measures how your marketing emails perform. Different direction entirely.

How does this differ from Weekly GTM Alignment Brief (#44)?+

WGAB provides a cross-functional GTM alignment brief covering marketing, sales, and CS from HubSpot deals/pipeline data. HMEI focuses specifically on marketing email campaign performance with 5 specialized dimensions. More depth on email, less breadth across functions.

What HubSpot plan do I need?+

Marketing Hub Starter or above. The free CRM does not include marketing email API access. You need the content scope for the HubSpot Marketing API v3.

Can I customize the fatigue detection threshold?+

Yes. Set FATIGUE_DECLINE_THRESHOLD in the scheduler Payload Prep node. Default is 0.2 (20% decline triggers fatigue flag). Lower for sensitive detection, raise for less noise.

Does it use web scraping?+

No. All data comes from the HubSpot Marketing API. No web_search or external scraping. Fully deterministic and fast.

Why only Sonnet instead of Opus?+

The Fetcher retrieves campaign data via HubSpot Marketing API and the Assembler pre-computes all email intelligence metrics. The Analyst receives pre-computed numbers and applies a scoring rubric — classification-tier reasoning that Sonnet 4.6 handles accurately. No deep causal analysis required.

Is there a refund policy?+

All sales are final after download. Review the Blueprint Dependency Matrix and prerequisites before purchase. Questions? Contact support@forgeworkflows.com before buying. Full terms at forgeworkflows.com/legal.

Read the full guide →

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