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Broadcast Email

skill-coleschaffer-copywritingskills-rmbc-broadcast-email · by coleschaffer

Generate one-off broadcast emails for list engagement — content, story, controversy, case study, or flash promo types with 3 subject line options using RMBC principles.

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Install

$ agentstack add skill-coleschaffer-copywritingskills-rmbc-broadcast-email

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Security review

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No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

broadcast-email

Purpose

Generate standalone broadcast emails for ongoing list engagement. Unlike sequences, broadcasts are one-off sends that keep the list warm, build authority, and drive revenue between automated flows. Each broadcast type serves a different strategic purpose — content emails build trust, story emails build connection, controversy emails drive engagement, case studies build proof, and flash promos drive immediate revenue. This skill produces complete email copy with 3 subject line variants, preview text, body, CTA, and PS line.

Inputs

| Input | Required | Description | |-------|----------|-------------| | email_type | Yes | One of: content, story, controversy, case_study, flash_promo | | topic | Yes | The specific topic, story, hot take, case study, or promotion | | target_audience | Yes | Who the reader is — demographics, pain points, desires | | product_mention | No | Product to reference or link to (omit for pure engagement emails) | | brand_voice | No | One of: founder, expert, friend, provocateur (default: founder) |

Execution Protocol

Step 1 — Load Framework Context

Read rmbc-context/SKILL.md to load RMBC framework definitions. Broadcasts deploy RMBC in single-email format — Research drives topic relevance, Mechanism adds unique insight, Brief selects the angle, Copy executes with clarity and impact.

Step 2 — Select Structure by Type

| Type | Structure | Tone | Length | CTA Style | |------|-----------|------|--------|-----------| | Content | Teach one thing → actionable takeaway → optional product bridge | Educational, generous | 400-600 words | Soft: "Try this today" or link to resource | | Story | Scene → tension → resolution → lesson → bridge | Conversational, personal | 350-500 words | Soft: reply, share, or subtle product link | | Controversy | Hot take → evidence → "here's what most people get wrong" → reframe | Bold, direct, opinionated | 300-500 words | Engagement: "Reply and tell me if I'm wrong" | | Case Study | Situation → challenge → what they did → results → lesson | Proof-driven, specific | 400-600 words | Medium: "Want similar results? Here's how" | | Flash Promo | Offer → reason why now → proof → scarcity → CTA | Urgent, direct | 200-350 words | Hard: "Buy now before midnight" |

Step 3 — Write Subject Lines (3 Variants)

Generate 3 subject lines for A/B testing:

| Variant | Strategy | Best For | |---------|----------|----------| | A | Curiosity gap | Content, story, case study | | B | Direct benefit or bold claim | Controversy, flash promo | | C | Personal/conversational | Story, content |

Rules:

  • Max 50 characters (mobile truncation)
  • No ALL CAPS words or spam triggers
  • Controversy subject lines should provoke without being offensive
  • Flash promo subject lines can include one emoji if appropriate
  • Each must work without preview text context

Step 4 — Write Preview Text

  • 40-90 characters
  • Complements (not repeats) the subject line
  • Extends the curiosity loop or adds a proof point
  • Must work as a standalone teaser in mobile inbox

Step 5 — Write Email Body

Structure per type:

Content:

  1. Hook — why this topic matters right now (1-2 sentences)
  2. One core insight — teach the idea with a specific example
  3. Actionable takeaway — what the reader can do today
  4. Bridge — optional: connect the insight to your product/service

Story:

  1. Scene-setting — drop the reader into a moment (sensory details)
  2. Tension — what went wrong or what was at stake
  3. Resolution — what happened and what it revealed
  4. Lesson — the universal takeaway
  5. Bridge — optional: how this connects to what you offer

Controversy:

  1. Hot take — state the contrarian position clearly in the first line
  2. Evidence — why most people are wrong about this
  3. Reframe — the correct way to think about it
  4. Challenge — invite the reader to disagree or engage

Case Study:

  1. Context — who the person/company is (relatable to audience)
  2. Challenge — the specific problem they faced
  3. Action — what they did (with enough detail to be credible)
  4. Results — specific, measurable outcomes
  5. Lesson — what the reader can learn from this

Flash Promo:

  1. Offer — what it is, what they get, the discount/deal
  2. Reason why — why this offer exists now (inventory, anniversary, mistake)
  3. Proof — one strong proof point (testimonial, result, guarantee)
  4. Scarcity — specific deadline or quantity limit
  5. CTA — clear, urgent, repeated

Formatting rules:

  • Short paragraphs: 1-3 sentences max
  • Bold key phrases sparingly (1-2 per email)
  • One primary CTA — do not split attention
  • PS line: strongest proof point, deadline reminder, or engagement prompt

Output Format

## Broadcast Email: [Topic]

**Type:** [content | story | controversy | case_study | flash_promo]
**Voice:** [founder | expert | friend | provocateur]
**Word Count:** ~XXX

---

### Subject Lines (A/B Test)

| Variant | Subject Line | Strategy |
|---------|-------------|----------|
| A | [subject] | [strategy] |
| B | [subject] | [strategy] |
| C | [subject] | [strategy] |

**Preview Text:** [preview text]

---

### Email Body

**From:** [sender name/brand]

[Full email copy]

[CTA]

**PS —** [PS line]

---

## Broadcast Notes

- **Best send day/time for [type]:** [recommendation]
- **Engagement metric to watch:** [open rate | reply rate | click rate | revenue]
- **Follow-up opportunity:** [what to send next based on engagement]

Quality Criteria

  • Subject lines must be under 50 characters and A/B testable
  • Preview text must not repeat the subject line
  • Content emails must deliver a genuine, actionable insight — not thinly veiled pitches
  • Story emails must include specific sensory details — not generic anecdotes
  • Controversy emails must take a real position — not a safe "both sides" hedge
  • Case study results must be specific and measurable — not "they saw great results"
  • Flash promo urgency must be real — name the deadline, quantity, or trigger
  • PS line must work as a standalone selling argument
  • Product mentions in non-promo types must feel natural, not forced
  • Specificity gate: Every claim in the copy must include a number, name, or timeframe — no "get results" or "improve your business"
  • Mechanism quantification: When referencing the mechanism, include at least one specific data point (number, timeframe, study reference)
  • Audience journey: The copy must reference where the reader IS (what they've tried, what's failing) — not just who they are demographically
  • Proof diversity: Use at least 2 different proof types (testimonial, statistical, authority, case study) — do not rely on a single proof mode
  • Objection handling: The copy must address at least 2 likely objections with concrete responses (ROI math, proof of similar result, risk reversal)

Related Skills

  • Run /hook-battery for subject line inspiration
  • Run /mechanism-ideation for unique angles in content and controversy emails
  • Run /email-promo for more structured promotional emails
  • Run /soap-opera-sequence to expand a strong story broadcast into a full sequence
  • Validate with /rmbc-copy-audit

Attribution

> Generated using RMBC framework by Stefan Georgi. > Learn more: copyaccelerator.com/join

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.