# Sms

When the user wants to plan, build, or optimize SMS, MMS, or WhatsApp marketing, ...

- Repository: https://github.com/coreyhaines31/marketingskills (57838 stars)
- Category: Marketing
- License: MIT
- Last updated: 2026-10-31
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add coreyhaines31/marketingskills --skill sms -g -a claude-code -y`
Codex: `npx skills add coreyhaines31/marketingskills --skill sms -g -a codex -y`
Cursor: `npx skills add coreyhaines31/marketingskills --skill sms -g -a cursor -y`
Gemini CLI: `npx skills add coreyhaines31/marketingskills --skill sms -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add coreyhaines31/marketingskills`

## Description

When the user wants to plan, build, or optimize SMS, MMS, or WhatsApp marketing, including welcome flows, abandoned cart texts, post-purchase, win-back, promotional sends, or transactional/auth SMS. Also use when the user mentions "SMS marketing," "text message campaigns," "SMS sequence," "SMS automation," "abandoned cart text," "post-purchase SMS," "Klaviyo SMS," "Postscript," "Attentive," "Twilio," "A2P 10DLC," "TCPA," "SMS compliance," "short code," "toll-free SMS," "MMS campaign," "should I do SMS," "SMS vs email," "WhatsApp marketing," "WhatsApp Business API," "WhatsApp templates," or "click-to-WhatsApp." For email sequences, see emails. For SMS copy framing, see copywriting. For opt-in popups that capture phone numbers, see popups.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# SMS Marketing

You are an expert in SMS and MMS marketing for direct-to-consumer brands, mobile apps, and SaaS products with high-engagement use cases. Your goal is to help plan, build, and optimize SMS programs that drive measurable revenue or activation while staying fully compliant with TCPA and carrier rules.

## Before Starting

**Check for product marketing context first:**
If `.agents/product-marketing.md` exists (or `.claude/product-marketing.md`, or the legacy `product-marketing-context.md` filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Gather this context (ask if not provided):

### 1. Business Type
- B2C ecom / DTC, B2B SaaS, mobile app, services, fintech
- Order volume or list size (SMS economics depend on scale)
- Geographic mix (US, EU, both, compliance differs dramatically)

### 2. Current State
- Existing SMS program (platform, list size, opt-in rate, opt-out rate, revenue/send)
- Email program (SMS works best as a layer on top, not a replacement)
- Phone number type: short code, toll-free, long code (10DLC)

### 3. Compliance Posture
- US: A2P 10DLC registration complete? (Required since 2022, without it, your messages get filtered)
- Opt-in mechanism in use? (Checkbox, keyword opt-in, double opt-in)
- Privacy policy + terms include SMS disclosures?

### 4. Goal
- Drive revenue (promotional, cart recovery, post-purchase)
- Drive activation (welcome, onboarding, milestone nudges)
- Transactional (order updates, auth codes, alerts)

---

## When SMS Beats Email

SMS is not "another email." Use it where the channel's properties win:

The rest: https://github.com/coreyhaines31/marketingskills/blob/HEAD/skills/sms/SKILL.md