PostHog Activation Funnel Diagnoser
AI-powered weekly activation funnel diagnosis — critical drop identification, segment comparison, time-to-activate, behavioral deltas, and prioritized fixes scored across 5 dimensions.
Diagnoses PostHog activation funnels weekly to identify where users drop off and why. Computes per-step conversion rates with week-over-week trends, compares segments, measures time-to-activate, identifies behavioral differences between completers and drop-offs, and generates prioritized fix recommendations. Notion activation report + Slack digest. 24-node n8n workflow with Monday scheduler. BQS 12/12 certified.
Four Agents. Weekly Funnel Diagnosis. Critical Drop Identification.
Step 1 — The Fetcher
Code-only
Queries PostHog API for funnel step data, user properties, and event sequences across the activation funnel. Retrieves per-step conversion rates, time-to-convert distributions, and user segment breakdowns for the configurable lookback window.
Step 2 — The Assembler
Code-only
Identifies critical drops in the activation funnel: steps with conversion below threshold, segments with disproportionate drop-off, time-to-activate outliers, and behavioral deltas between converters and non-converters at each step.
Step 3 — The Analyst
Tier 2 Classification
Performs root cause diagnosis for each critical drop: segment comparison (which user segments drop off most), behavioral delta analysis (what converters do differently), time-to-activate patterns, and friction indicators. Generates prioritized fix recommendations sorted by potential impact.
Step 4 — The Formatter
Tier 3 Creative
Generates a Notion funnel diagnosis report with per-step analysis, segment breakdowns, and prioritized fixes, plus a Slack digest with the top 3 critical drops and their recommended interventions.
What It Does NOT Do
Does not modify your funnel or product — this is an analysis tool that recommends changes for human review
Does not run A/B tests — it diagnoses funnel problems, not test treatments
Does not work with non-PostHog analytics tools — this is PostHog-specific
Does not track individual user journeys — it analyzes aggregate funnel patterns
Does not guarantee conversion improvements — it identifies drop patterns that teams must act on
The Complete Customer Success Bundle
6 files.
Tested. Measured. Documented.
Weekly activation funnel diagnosis with critical drop identification, segment comparison, behavioral delta analysis, and prioritized fix recommendations delivered via Notion and Slack.
PostHog Activation Funnel Diagnoser v1.0.0──────────────────────────────────────────Nodes: 24 main + 3 scheduler (27 total)Agents: 4 (Fetcher, Assembler, Analyst, Formatter)LLM Calls: 2 per run (Analyst + Formatter)Model: Sonnet 4.6 (SINGLE-MODEL)Trigger: Schedule (weekly Monday 9:00 UTC) + WebhookPattern: BATCH (weekly funnel analysis)Tool A: PostHog API — funnel data + user propertiesTool B: Notion (httpHeaderAuth) — funnel diagnosis reportTool C: Slack (httpHeaderAuth) — digest with top 3 critical dropsITP: 8/8 records, 14/14 milestonesBQS: 12/12 PASSCost: $0.03–$0.10 per run
What You'll Need
Platform
n8n 2.7.5+
Est. Monthly API Cost
~$0.03-0.10 per weekly run + PostHog subscription.
Credentials Required
- ▪Anthropic API
- ▪PostHog API Key
- ▪Slack (Bot Token, httpHeaderAuth Bearer)
- ▪Notion (httpHeaderAuth Bearer)
Services
- ▪PostHog account with funnel events configured
- ▪Anthropic API key
- ▪Notion workspace
- ▪Slack workspace (Bot Token with chat:write)
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
PostHog Activation Funnel Diagnoser v1.0.0
$249
one-time purchase
What you get:
- ✓24-node main workflow + 3-node scheduler
- ✓Weekly activation funnel diagnosis from PostHog funnel data
- ✓Critical drop identification at each funnel step
- ✓Segment comparison analysis showing which user groups drop off most
- ✓Behavioral delta analysis between converters and non-converters
- ✓Time-to-activate distribution analysis with outlier detection
- ✓Prioritized fix recommendations sorted by potential conversion impact
- ✓Friction indicator identification per funnel step
- ✓Notion funnel diagnosis report with per-step analysis and segment breakdowns
- ✓Slack digest with top 3 critical drops and recommended interventions
- ✓Configurable: funnel steps, segment properties, conversion thresholds
- ✓Full technical documentation + system prompts
Frequently Asked Questions
What is a critical drop?+
A funnel step where conversion rate falls below the configurable threshold (default 50%), or where week-over-week conversion declined more than 10%. The Assembler flags these steps and the Analyst diagnoses why users are dropping off at that specific point.
What are behavioral deltas?+
At each critical drop step, the Analyst compares the event sequences of users who converted vs those who did not. Behavioral deltas reveal what converters did differently — for example, they viewed the docs page before signing up, or they completed a tutorial step that non-converters skipped.
How does segment comparison work?+
The Assembler breaks down conversion at each step by user properties (plan type, referral source, device, geography, etc.). If enterprise users convert at 80% but free users convert at 30% at the same step, that segment disparity drives targeted fix recommendations.
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.
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