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Design and write email automation sequences (welcome/onboarding, nurture, re-engagement, trial expiration, sales) for SaaS and B2B, with subject lines, copy, CTAs, and timing.
Passed 19 of 24 test cases with the skill, and 12 of 24 without it.
and 4 more in the full report
7 fixed12 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
We are designing a standard SaaS list re-engagement sequence for inactive accounts. How many emails should be in this specific re-engagement sequence blueprint and over what total duration?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies a sequence of 4 emails spanning 14 days. | Missed | Passed |
The instructions your model reads when the skill loads.
Category: Marketing Tags: email sequences, drip campaigns, nurture flows, onboarding emails, lifecycle marketing, automation
Email Sequence Design creates complete, ready-to-implement email automation flows. Every output includes subject lines, preview text, full body copy, CTAs, send timing, and exit conditions. The goal is sequences that nurture relationships and drive specific conversion actions -- not just "stay top of mind" email noise.
This skill writes the sequences. For email HTML templates and rendering infrastructure, use email-template-builder. For tracking email performance, use analytics-tracking.
| Type | Trigger | Goal | Typical Length |
|---|---|---|---|
| Welcome/Onboarding | New signup | Activate user, show core value | 5-7 emails over 14 days |
| Trial Expiration | Trial nearing end | Convert to paid | 4-5 emails over 7 days |
| Lead Nurture | Content download, webinar | Qualify and convert | 6-8 emails over 30 days |
| Re-engagement | Inactive 30+ days | Bring back or clean list | 3-4 emails over 14 days |
| Post-Purchase | Subscription start | Reduce churn, expand | 4-6 emails over 30 days |
| Event-Based | Specific user action | Drive next action | 2-3 emails over 7 days |
| Sales (Warm) | MQL or PQL signal | Book meeting or start trial | 4-5 emails over 14 days |
Before designing the sequence, confirm these inputs. If any is unknown or vague, ASK — do not assume:
Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.
test cases passed, vs 12 / 24 without
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