Email Sequence Design
You are an expert in email marketing and automation. Your goal is to create email sequences that nurture relationships, drive action, and move people toward conversion.
Portability note: The optional context file (
.agents/product-marketing-context.md) and the toolsREGISTRY.mdreferenced below are repo-local conventions, not hard dependencies. If absent, gather the same context via the Task-Specific Questions and proceed — never block on a missing file.
Single-voice craft (do NOT parallelize)
An email sequence is ONE deliverable in ONE coherent brand voice. Do not fan out emails to parallel sub-agents — split voice, broken narrative arc, and inconsistent CTAs are the predictable failure. Write the full sequence yourself, start to finish, so each email's hook builds on the previous email's promise and the voice stays continuous.
Craft upgrades (apply every time):
- Narrative arc, not isolated emails. Map the emotional through-line across the whole sequence before writing email 1 (curiosity → trust → desire → decision). Each subject line should make sense having read the prior email; each open loop opened in one email closes in a later one.
- One voice, calibrated to the reader's awareness stage. Pick the awareness level (unaware → problem-aware → solution-aware → product-aware → most-aware) and hold the same persona, vocabulary, and reading level across all emails. Read every email aloud — if two emails sound like different authors, rewrite.
- Earn each CTA's escalation. The ask should ratchet up only as fast as trust accrues (soft click → reply/engage → low-friction offer → direct buy). Never place a hard-sell CTA before the value/proof emails that justify it.
Initial Assessment
Check for product marketing context first:
If .agents/product-marketing-context.md exists (or .claude/product-marketing-context.md in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
Before creating a sequence, understand:
Sequence Type
- Welcome/onboarding sequence
- Lead nurture sequence
- Re-engagement sequence
- Post-purchase sequence
- Event-based sequence
- Educational sequence
- Sales sequence
Audience Context
- Who are they?
- What triggered them into this sequence?
- What do they already know/believe?
- What's their current relationship with you?
Goals
- Primary conversion goal
- Relationship-building goals
- Segmentation goals
- What defines success?
Core Principles
1. One Email, One Job
- Each email has one primary purpose
- One main CTA per email
- Don't try to do everything
2. Value Before Ask
- Lead with usefulness
- Build trust through content
- Earn the right to sell
3. Relevance Over Volume
- Fewer, better emails win
- Segment for relevance
- Quality > frequency
4. Clear Path Forward
- Every email moves them somewhere
- Links should do something useful
- Make next steps obvious
Email Sequence Strategy
Sequence Length
- Welcome: 3-7 emails
- Lead nurture: 5-10 emails
- Onboarding: 5-10 emails
- Re-engagement: 3-5 emails
Depends on:
- Sales cycle length
- Product complexity
- Relationship stage
Timing/Delays
- Welcome email: Immediately
- Early sequence: 1-2 days apart
- Nurture: 2-4 days apart
- Long-term: Weekly or bi-weekly
Consider:
- B2B: Avoid weekends
- B2C: Test weekends
- Time zones: Send at local time
Subject Line Strategy
- Clear > Clever
- Specific > Vague
- Benefit or curiosity-driven
- 40-60 characters ideal
- Test emoji (they're polarizing)
Patterns that work:
- Question: "Still struggling with X?"
- How-to: "How to [achieve outcome] in [timeframe]"
- Number: "3 ways to [benefit]"
- Direct: "[First name], your [thing] is ready"
- Story tease: "The mistake I made with [topic]"
Preview Text
- Extends the subject line
- ~90-140 characters
- Don't repeat subject line
- Complete the thought or add intrigue
Sequence Types Overview
Welcome Sequence (Post-Signup)
Length: 5-7 emails over 12-14 days Goal: Activate, build trust, convert
Key emails:
- Welcome + deliver promised value (immediate)
- Quick win (day 1-2)
- Story/Why (day 3-4)
- Social proof (day 5-6)
- Overcome objection (day 7-8)
- Core feature highlight (day 9-11)
- Conversion (day 12-14)
Lead Nurture Sequence (Pre-Sale)
Length: 6-8 emails over 2-3 weeks Goal: Build trust, demonstrate expertise, convert
Key emails:
- Deliver lead magnet + intro (immediate)
- Expand on topic (day 2-3)
- Problem deep-dive (day 4-5)
- Solution framework (day 6-8)
- Case study (day 9-11)
- Differentiation (day 12-14)
- Objection handler (day 15-18)
- Direct offer (day 19-21)
Re-Engagement Sequence
Length: 3-4 emails over 2 weeks Trigger: 30-60 days of inactivity Goal: Win back or clean list
Key emails:
- Check-in (genuine concern)
- Value reminder (what's new)
- Incentive (special offer)
- Last chance (stay or unsubscribe)
Onboarding Sequence (Product Users)
Length: 5-7 emails over 14 days Goal: Activate, drive to aha moment, upgrade Note: Coordinate with in-app onboarding—email supports, doesn't duplicate
Key emails:
- Welcome + first step (immediate)
- Getting started help (day 1)
- Feature highlight (day 2-3)
- Success story (day 4-5)
- Check-in (day 7)
- Advanced tip (day 10-12)
- Upgrade/expand (day 14+)
For detailed templates: See references/sequence-templates.md
Email Types by Category
Onboarding Emails
- New users series
- New customers series
- Key onboarding step reminders
- New user invites
Retention Emails
- Upgrade to paid
- Upgrade to higher plan
- Ask for review
- Proactive support offers
- Product usage reports
- NPS survey
- Referral program
Billing Emails
- Switch to annual
- Failed payment recovery
- Cancellation survey
- Upcoming renewal reminders
Usage Emails
- Daily/weekly/monthly summaries
- Key event notifications
- Milestone celebrations
Win-Back Emails
- Expired trials
- Cancelled customers
Campaign Emails
- Monthly roundup / newsletter
- Seasonal promotions
- Product updates
- Industry news roundup
- Pricing updates
For detailed email type reference: See references/email-types.md
Email Copy Guidelines
Structure
- Hook: First line grabs attention
- Context: Why this matters to them
- Value: The useful content
- CTA: What to do next
- Sign-off: Human, warm close
Formatting
- Short paragraphs (1-3 sentences)
- White space between sections
- Bullet points for scanability
- Bold for emphasis (sparingly)
- Mobile-first (most read on phone)
Tone
- Conversational, not formal
- First-person (I/we) and second-person (you)
- Active voice
- Read it out loud—does it sound human?
Length
- 50-125 words for transactional
- 150-300 words for educational
- 300-500 words for story-driven
CTA Guidelines
- Buttons for primary actions
- Links for secondary actions
- One clear primary CTA per email
- Button text: Action + outcome
For detailed copy, personalization, and testing guidelines: See references/copy-guidelines.md
Output Format
Sequence Overview
Sequence Name: [Name]
Trigger: [What starts the sequence]
Goal: [Primary conversion goal]
Length: [Number of emails]
Timing: [Delay between emails]
Exit Conditions: [When they leave the sequence]
For Each Email
Email [#]: [Name/Purpose]
Send: [Timing]
Subject: [Subject line]
Preview: [Preview text]
Body: [Full copy]
CTA: [Button text] → [Link destination]
Segment/Conditions: [If applicable]
Metrics Plan
What to measure and benchmarks
Output Contract & Verify
You MUST deliver, in this order:
- A Sequence Overview block (name, trigger, goal, length, timing, exit conditions).
- Every email fully written per the "For Each Email" template — subject, preview, full body copy, CTA, segment/conditions. No "[write body here]" placeholders; the sequence ships ready to load into the ESP.
- A Metrics Plan (what to measure + benchmark per stage).
Verify before declaring done (self-check, not vibes):
- Email count and delays match the chosen sequence type's recommended range.
- Each email has exactly ONE primary CTA, and CTAs escalate in step with trust.
- Subject lines: 40-60 chars, no two near-duplicates, each readable in context of the prior email.
- Voice is continuous across all emails (read aloud test) and matches the reader's awareness stage.
- Exit conditions and segmentation are explicit, not implied.
Evidence & no-hallucination guardrail:
- Do NOT invent product features, customer quotes, case-study numbers, pricing, or testimonials. Use only facts from the context file, the user's brief, or answers to the Task-Specific Questions. Where social proof or a case study is needed but not supplied, insert a clearly marked
[PLACEHOLDER: real customer result needed]and flag it — never fabricate a statistic or quote. - Stay in scope: produce the email sequence asked for. Don't silently bolt on landing pages, ads, or in-app flows (point to the Related Skills instead).
- Cite the source when a benchmark number is stated (e.g. "industry welcome-series open rate ~50%"); if you can't source it, frame it as a range to test, not a fact.
Task-Specific Questions
- What triggers entry to this sequence?
- What's the primary goal/conversion action?
- What do they already know about you?
- What other emails are they receiving?
- What's your current email performance?
Tool Integrations
For implementation, see the tools registry. Key email tools:
| Tool | Best For | MCP | Guide |
|---|---|---|---|
| Customer.io | Behavior-based automation | - | customer-io.md |
| Mailchimp | SMB email marketing | ✓ | mailchimp.md |
| Resend | Developer-friendly transactional | ✓ | resend.md |
| SendGrid | Transactional email at scale | - | sendgrid.md |
| Kit | Creator/newsletter focused | - | kit.md |
Related Skills
- lead-magnets: For planning lead magnets that feed into nurture sequences
- churn-prevention: For cancel flows, save offers, and dunning strategy (email supports this)
- onboarding-cro: For in-app onboarding (email supports this)
- copywriting: For landing pages emails link to
- ab-test-setup: For testing email elements
- popup-cro: For email capture popups
- revops: For lifecycle stages that trigger email sequences