📬 Newsletter — Email Newsletter Builder
Generate complete newsletter editions with subject lines, structured content, sponsorship placement, growth tactics, and platform-ready formatting.
Activation
When this skill activates, output:
📬 Newsletter — Writing your newsletter edition...
| Context |
Status |
| User says "newsletter", "email newsletter", "weekly digest" |
ACTIVE |
| User wants to write a newsletter edition |
ACTIVE |
| User mentions subject lines, open rates, or email growth |
ACTIVE |
| User wants a lead magnet with nurture emails |
DORMANT — see lead-magnet |
| User wants a content pipeline (newsletter is one channel) |
DORMANT — see content-pipeline |
| User wants a Twitter thread (not email) |
DORMANT — see twitter-thread |
Protocol
Step 1: Gather Inputs
Ask the user for:
- Audience: Who reads this? (developers, marketers, founders, general)
- Topic: What's this edition about? (or main theme)
- Frequency: Daily, weekly, biweekly, monthly?
- Brand voice: Casual, professional, witty, authoritative?
- Newsletter name: What's it called?
- Content type: Original essays, curated links, industry news, tutorials, opinion?
- Monetization: Sponsored? Affiliate links? Paid tier?
- Platform: ConvertKit, Beehiiv, Substack, Mailchimp, SendGrid?
Step 2: Write Subject Line & Preview Text
Subject line (50 chars max for full visibility):
| Formula |
Example |
Open Rate Impact |
| Number + benefit |
"5 tools that saved me 10 hours this week" |
High — specific, practical |
| Question |
"Are you making this hiring mistake?" |
Medium — curiosity gap |
| How-to |
"How to write copy that converts (template inside)" |
High — clear value |
| Contrarian |
"Why I stopped using React" |
High — triggers curiosity |
| Urgency |
"This deal expires Friday" |
High — but use sparingly |
| Personal |
"I almost quit last week. Here's why I didn't." |
High — emotional connection |
| News hook |
"Google just changed SEO forever" |
High — timely relevance |
Generate 3 subject line options ranked by expected performance.
Preview text (90 chars, visible after subject in inbox):
- Complements the subject, doesn't repeat it
- Adds context or teases content
- Example: Subject: "5 tools that saved me 10 hours" → Preview: "Plus: why I'm rebuilding my entire stack"
Step 3: Write Newsletter Content
Structure template:
── PERSONAL OPENER (2-3 sentences) ────────
[Start with a personal anecdote, observation, or
timely reference that connects to the main topic.
This builds connection before the content.]
── MAIN CONTENT ───────────────────────────
[The primary article, tutorial, insight, or essay.
This is the main value of the newsletter.]
Structure options:
A) Original essay (500-800 words)
B) Tutorial with steps (300-500 words + code/examples)
C) Curated links with commentary (5-7 links, 2-3 sentences each)
D) Industry analysis (400-600 words with data)
── SECONDARY CONTENT (optional) ───────────
[A shorter section with additional value:]
• "Quick hits" — 3-5 bullet point links or tips
• "Tool of the week" — one recommendation with why
• "Quote I'm thinking about" — curated quote + your take
• "Ask me anything" — answer a reader question
── CTA ────────────────────────────────────
[One clear call-to-action:]
• Reply to this email with [question]
• Check out [product/resource]
• Share this newsletter with a friend
• Upgrade to premium for [benefit]
Content writing rules:
- Write at a conversational level — like emailing a smart friend
- One main idea per edition — don't try to cover everything
- Use subheadings every 150-200 words for scannability
- Bold key phrases — readers scan before reading
- Keep paragraphs to 2-3 sentences max
- Include at least one actionable takeaway
- End sections with a transition or hook to the next
Step 4: Content Curation
For curated newsletters, how to find and present items:
Finding content:
- RSS feeds from industry blogs
- Twitter/X lists of thought leaders
- Hacker News, Reddit, Lobsters for tech
- Product Hunt for tools
- Google Alerts for niche keywords
- Personal network and Slack communities
Curation format per item:
📌 [Headline/Title]
[Source] — [reading time]
[2-3 sentence summary in YOUR voice — not just the article abstract.
Add your opinion, context, or why it matters to your audience.]
→ [Read the full article](link)
Curation rules:
- Add YOUR perspective — readers follow you, not the sources
- 5-7 items per curated edition (more feels like a dump)
- Mix sources — don't over-index on one publication
- Include at least one contrarian or surprising piece
- Date-stamp anything time-sensitive
Step 5: Sponsorship/Ad Placement
If the newsletter is monetized:
Sponsorship slot types:
| Slot |
Position |
Format |
Pricing Range |
| Header sponsor |
Top, before content |
Logo + 1-line mention |
$$$$ |
| Mid-content ad |
Between sections |
2-3 sentences + link + image |
$$$ |
| Classified |
Bottom, after content |
1-2 sentences + link |
$$ |
| Dedicated send |
Entire email is sponsored |
Full sponsor content |
$$$$$ |
Sponsor integration template:
── SPONSORED ──────────────────────────────
[This edition is brought to you by [Sponsor Name]]
[2-3 sentences about the sponsor's product, written in
YOUR voice, not corporate copy. Focus on why your readers
would care.]
→ [Check out Sponsor Name](tracking link)
────────────────────────────────────────────
Sponsorship rules:
- Label sponsored content clearly
- Write sponsor copy in your voice (not theirs)
- Max 1 sponsor per edition (2 if header + classified)
- Never sponsor products you wouldn't genuinely recommend
- Track click-through rates for sponsor reporting
Step 6: Growth Tactics
Organic growth strategies:
| Tactic |
Effort |
Expected Impact |
| Referral program |
Medium |
High — "Refer 3 friends, get [reward]" |
| Cross-promotion |
Low |
Medium — swap recommendations with similar newsletters |
| Lead magnet |
Medium |
High — free resource for subscribing |
| Social sharing |
Low |
Medium — share snippets as threads/posts |
| Guest posts |
High |
Medium — write for other newsletters |
| SEO archive |
Medium |
High (long-term) — publish past editions as blog posts |
| Giveaways |
Low |
High (short-term) — "Subscribe to win [prize]" |
Referral program design:
| Referrals |
Reward |
| 1 |
Shout-out in next edition |
| 3 |
Exclusive template/resource |
| 5 |
Free month of premium |
| 10 |
1-on-1 call with you |
| 25 |
Lifetime premium access |
Footer CTA template:
────────────────────────────────────────────
📬 Enjoyed this? Share [Newsletter Name] with a friend:
[Referral link]
You've referred [X] people so far. [Y] more for [next reward]!
────────────────────────────────────────────
Step 7: Analytics Benchmarks
Track these metrics per edition:
| Metric |
Target |
Industry Avg |
Action if Below |
| Open rate |
40-50% |
30-35% |
Test subject lines, clean list |
| Click rate |
5-8% |
2-4% |
Improve CTAs, reduce links |
| Unsubscribe rate |
< 0.3% |
0.2-0.5% |
Check frequency, content relevance |
| Reply rate |
1-3% |
< 1% |
Ask more questions, be personal |
| Growth rate |
5-10%/mo |
2-5%/mo |
Increase promotion, add lead magnet |
| Bounce rate |
< 2% |
2-5% |
Clean list, verify emails on signup |
| Spam complaint |
< 0.1% |
0.1% |
Add clear unsubscribe, set expectations |
List hygiene:
- Remove unengaged subscribers (no opens in 90 days) quarterly
- Send re-engagement campaign before removing
- Use double opt-in for higher quality subscribers
- Monitor deliverability score monthly
Step 8: Output
Present the complete newsletter edition:
━━━ NEWSLETTER: [Newsletter Name] ━━━━━━━━
Edition: #[number] — [date]
Topic: [main topic]
Audience: [who]
── SUBJECT LINES (pick one) ───────────────
Option A: [subject] — Preview: [preview text]
Option B: [subject] — Preview: [preview text]
Option C: [subject] — Preview: [preview text]
── NEWSLETTER BODY ────────────────────────
[Personal opener]
[Main content — essay, tutorial, or curated links]
[Sponsored section — if applicable]
[Secondary content]
[CTA]
[Footer with referral link + unsubscribe]
── GROWTH PLAN ────────────────────────────
This month's focus: [tactic]
Referral program: [status]
Target: [subscriber goal]
── ANALYTICS TARGETS ──────────────────────
Open rate target: [X]%
Click rate target: [X]%
Growth target: [X] new subscribers this month
Inputs
- Audience and niche
- Topic or theme for this edition
- Frequency and brand voice
- Newsletter name
- Content type (original, curated, hybrid)
- Monetization strategy (optional)
- Email platform
Outputs
- 3 subject line options with preview text
- Complete newsletter body (opener, main content, secondary, CTA)
- Content curation framework with commentary format
- Sponsorship slot placement with integration template
- Growth tactics with referral program design
- Analytics benchmarks with action thresholds
- Platform-ready formatted edition
Level History
- Lv.1 — Base: 7 subject line formulas with preview text, structured newsletter template (opener/main/secondary/CTA), content curation format with commentary, sponsorship slot types and integration, growth tactics with referral program tiers, analytics benchmarks with action thresholds, platform-ready output. (Origin: MemStack v3.2, Mar 2026)
1---2name: newsletter3description: Use when the user says 'newsletter', 'email newsletter', 'weekly digest', 'write a newsletter', or wants to create a complete newsletter edition with subject line, content, and growth strategy.4---56# 📬 Newsletter — Email Newsletter Builder7*Generate complete newsletter editions with subject lines, structured content, sponsorship placement, growth tactics, and platform-ready formatting.*89## Activation1011When this skill activates, output:1213`📬 Newsletter — Writing your newsletter edition...`1415| Context | Status |16|---------|--------|17| **User says "newsletter", "email newsletter", "weekly digest"** | ACTIVE |18| **User wants to write a newsletter edition** | ACTIVE |19| **User mentions subject lines, open rates, or email growth** | ACTIVE |20| **User wants a lead magnet with nurture emails** | DORMANT — see lead-magnet |21| **User wants a content pipeline (newsletter is one channel)** | DORMANT — see content-pipeline |22| **User wants a Twitter thread (not email)** | DORMANT — see twitter-thread |2324## Protocol2526### Step 1: Gather Inputs2728Ask the user for:29- **Audience**: Who reads this? (developers, marketers, founders, general)30- **Topic**: What's this edition about? (or main theme)31- **Frequency**: Daily, weekly, biweekly, monthly?32- **Brand voice**: Casual, professional, witty, authoritative?33- **Newsletter name**: What's it called?34- **Content type**: Original essays, curated links, industry news, tutorials, opinion?35- **Monetization**: Sponsored? Affiliate links? Paid tier?36- **Platform**: ConvertKit, Beehiiv, Substack, Mailchimp, SendGrid?3738### Step 2: Write Subject Line & Preview Text3940**Subject line (50 chars max for full visibility):**4142| Formula | Example | Open Rate Impact |43|---------|---------|-----------------|44| **Number + benefit** | "5 tools that saved me 10 hours this week" | High — specific, practical |45| **Question** | "Are you making this hiring mistake?" | Medium — curiosity gap |46| **How-to** | "How to write copy that converts (template inside)" | High — clear value |47| **Contrarian** | "Why I stopped using React" | High — triggers curiosity |48| **Urgency** | "This deal expires Friday" | High — but use sparingly |49| **Personal** | "I almost quit last week. Here's why I didn't." | High — emotional connection |50| **News hook** | "Google just changed SEO forever" | High — timely relevance |5152**Generate 3 subject line options** ranked by expected performance.5354**Preview text (90 chars, visible after subject in inbox):**55- Complements the subject, doesn't repeat it56- Adds context or teases content57- Example: Subject: "5 tools that saved me 10 hours" → Preview: "Plus: why I'm rebuilding my entire stack"5859### Step 3: Write Newsletter Content6061**Structure template:**6263```64── PERSONAL OPENER (2-3 sentences) ────────6566[Start with a personal anecdote, observation, or67timely reference that connects to the main topic.68This builds connection before the content.]6970── MAIN CONTENT ───────────────────────────7172[The primary article, tutorial, insight, or essay.73This is the main value of the newsletter.]7475Structure options:76 A) Original essay (500-800 words)77 B) Tutorial with steps (300-500 words + code/examples)78 C) Curated links with commentary (5-7 links, 2-3 sentences each)79 D) Industry analysis (400-600 words with data)8081── SECONDARY CONTENT (optional) ───────────8283[A shorter section with additional value:]84 • "Quick hits" — 3-5 bullet point links or tips85 • "Tool of the week" — one recommendation with why86 • "Quote I'm thinking about" — curated quote + your take87 • "Ask me anything" — answer a reader question8889── CTA ────────────────────────────────────9091[One clear call-to-action:]92 • Reply to this email with [question]93 • Check out [product/resource]94 • Share this newsletter with a friend95 • Upgrade to premium for [benefit]96```9798**Content writing rules:**99- Write at a conversational level — like emailing a smart friend100- One main idea per edition — don't try to cover everything101- Use subheadings every 150-200 words for scannability102- Bold key phrases — readers scan before reading103- Keep paragraphs to 2-3 sentences max104- Include at least one actionable takeaway105- End sections with a transition or hook to the next106107### Step 4: Content Curation108109For curated newsletters, how to find and present items:110111**Finding content:**112- RSS feeds from industry blogs113- Twitter/X lists of thought leaders114- Hacker News, Reddit, Lobsters for tech115- Product Hunt for tools116- Google Alerts for niche keywords117- Personal network and Slack communities118119**Curation format per item:**120```121📌 [Headline/Title]122 [Source] — [reading time]123124 [2-3 sentence summary in YOUR voice — not just the article abstract.125 Add your opinion, context, or why it matters to your audience.]126127 → [Read the full article](link)128```129130**Curation rules:**131- Add YOUR perspective — readers follow you, not the sources132- 5-7 items per curated edition (more feels like a dump)133- Mix sources — don't over-index on one publication134- Include at least one contrarian or surprising piece135- Date-stamp anything time-sensitive136137### Step 5: Sponsorship/Ad Placement138139If the newsletter is monetized:140141**Sponsorship slot types:**142143| Slot | Position | Format | Pricing Range |144|------|----------|--------|---------------|145| **Header sponsor** | Top, before content | Logo + 1-line mention | $$$$ |146| **Mid-content ad** | Between sections | 2-3 sentences + link + image | $$$ |147| **Classified** | Bottom, after content | 1-2 sentences + link | $$ |148| **Dedicated send** | Entire email is sponsored | Full sponsor content | $$$$$ |149150**Sponsor integration template:**151```152── SPONSORED ──────────────────────────────153154[This edition is brought to you by [Sponsor Name]]155156[2-3 sentences about the sponsor's product, written in157YOUR voice, not corporate copy. Focus on why your readers158would care.]159160→ [Check out Sponsor Name](tracking link)161162────────────────────────────────────────────163```164165**Sponsorship rules:**166- Label sponsored content clearly167- Write sponsor copy in your voice (not theirs)168- Max 1 sponsor per edition (2 if header + classified)169- Never sponsor products you wouldn't genuinely recommend170- Track click-through rates for sponsor reporting171172### Step 6: Growth Tactics173174**Organic growth strategies:**175176| Tactic | Effort | Expected Impact |177|--------|--------|-----------------|178| **Referral program** | Medium | High — "Refer 3 friends, get [reward]" |179| **Cross-promotion** | Low | Medium — swap recommendations with similar newsletters |180| **Lead magnet** | Medium | High — free resource for subscribing |181| **Social sharing** | Low | Medium — share snippets as threads/posts |182| **Guest posts** | High | Medium — write for other newsletters |183| **SEO archive** | Medium | High (long-term) — publish past editions as blog posts |184| **Giveaways** | Low | High (short-term) — "Subscribe to win [prize]" |185186**Referral program design:**187188| Referrals | Reward |189|-----------|--------|190| 1 | Shout-out in next edition |191| 3 | Exclusive template/resource |192| 5 | Free month of premium |193| 10 | 1-on-1 call with you |194| 25 | Lifetime premium access |195196**Footer CTA template:**197```198────────────────────────────────────────────199📬 Enjoyed this? Share [Newsletter Name] with a friend:200[Referral link]201202You've referred [X] people so far. [Y] more for [next reward]!203────────────────────────────────────────────204```205206### Step 7: Analytics Benchmarks207208Track these metrics per edition:209210| Metric | Target | Industry Avg | Action if Below |211|--------|--------|-------------|-----------------|212| **Open rate** | 40-50% | 30-35% | Test subject lines, clean list |213| **Click rate** | 5-8% | 2-4% | Improve CTAs, reduce links |214| **Unsubscribe rate** | < 0.3% | 0.2-0.5% | Check frequency, content relevance |215| **Reply rate** | 1-3% | < 1% | Ask more questions, be personal |216| **Growth rate** | 5-10%/mo | 2-5%/mo | Increase promotion, add lead magnet |217| **Bounce rate** | < 2% | 2-5% | Clean list, verify emails on signup |218| **Spam complaint** | < 0.1% | 0.1% | Add clear unsubscribe, set expectations |219220**List hygiene:**221- Remove unengaged subscribers (no opens in 90 days) quarterly222- Send re-engagement campaign before removing223- Use double opt-in for higher quality subscribers224- Monitor deliverability score monthly225226### Step 8: Output227228Present the complete newsletter edition:229230```231━━━ NEWSLETTER: [Newsletter Name] ━━━━━━━━232Edition: #[number] — [date]233Topic: [main topic]234Audience: [who]235236── SUBJECT LINES (pick one) ───────────────237Option A: [subject] — Preview: [preview text]238Option B: [subject] — Preview: [preview text]239Option C: [subject] — Preview: [preview text]240241── NEWSLETTER BODY ────────────────────────242243[Personal opener]244245[Main content — essay, tutorial, or curated links]246247[Sponsored section — if applicable]248249[Secondary content]250251[CTA]252253[Footer with referral link + unsubscribe]254255── GROWTH PLAN ────────────────────────────256This month's focus: [tactic]257Referral program: [status]258Target: [subscriber goal]259260── ANALYTICS TARGETS ──────────────────────261Open rate target: [X]%262Click rate target: [X]%263Growth target: [X] new subscribers this month264```265266## Inputs267- Audience and niche268- Topic or theme for this edition269- Frequency and brand voice270- Newsletter name271- Content type (original, curated, hybrid)272- Monetization strategy (optional)273- Email platform274275## Outputs276- 3 subject line options with preview text277- Complete newsletter body (opener, main content, secondary, CTA)278- Content curation framework with commentary format279- Sponsorship slot placement with integration template280- Growth tactics with referral program design281- Analytics benchmarks with action thresholds282- Platform-ready formatted edition283284## Level History285286- **Lv.1** — Base: 7 subject line formulas with preview text, structured newsletter template (opener/main/secondary/CTA), content curation format with commentary, sponsorship slot types and integration, growth tactics with referral program tiers, analytics benchmarks with action thresholds, platform-ready output. (Origin: MemStack v3.2, Mar 2026)
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