feat: add sms skill + 5 SMS platform integration docs (#307)

New skill: skills/sms/
- SKILL.md (336 lines, under 500 limit): strategy, when SMS beats email,
  compliance overview, sequence types, copy guidelines, platform selection,
  measurement, common mistakes
- references/compliance.md: TCPA, A2P 10DLC, EU GDPR, CASL, Australia,
  opt-in disclosure templates, STOP/HELP response templates, audit checklist
- references/sequence-templates.md: full copy templates with character
  counts for welcome, abandoned cart, browse abandonment, post-purchase,
  win-back, promotional, transactional, re-engagement, replenishment, VIP
- references/platforms.md: platform deep-dives across Klaviyo SMS,
  Postscript, Attentive, Twilio, Plivo, AudienceTap, Brevo, SimpleTexting,
  Customer.io
- evals/evals.json: 6 evals covering getting started, abandoned cart,
  TCPA compliance, opt-out diagnosis, A2P throughput, emoji segment cost

New integration docs:
- tools/integrations/twilio.md
- tools/integrations/postscript.md
- tools/integrations/attentive.md
- tools/integrations/plivo.md
- tools/integrations/audiencetap.md

Registry + marketplace wiring:
- tools/REGISTRY.md: 5 new entries + new SMS / Messaging category section
- .claude-plugin/marketplace.json: bumped to 2.1.0, SMS added to plugin description
- VERSIONS.md: sms 1.0.0 + 2.1.0 changelog entry
- README.md: skill table re-sorted via sync-skills.js, sms added to ASCII flow

All 41 skills pass validation. sync-skills.js is idempotent on current state.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Corey Haines
2026-05-21 16:44:47 -07:00
committed by GitHub
parent 908500123b
commit d36433703b
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# Attentive
Full-service SMS marketing platform for mid-market and enterprise direct-to-consumer brands. Combines tooling with dedicated success teams.
## Capabilities
| Integration | Available | Notes |
|-------------|-----------|-------|
| API | ✓ | REST API |
| MCP | - | Not available |
| CLI | - | None |
| SDK | - | Use API directly |
## Authentication
- **Type**: OAuth 2.0 or API Key (depending on integration type)
- **Header**: `Authorization: Bearer {access_token}`
- **Get credentials**: Account-level provisioning through Attentive integrations team
- **Note**: API access requires partnership or eligible plan
## Common Agent Operations
### Subscribe a user
```bash
POST https://api.attentivemobile.com/v1/subscriptions
{
"user": {
"phone": "+15551234567",
"email": "user@example.com"
},
"signUpSourceId": "...",
"subscriptionType": "MARKETING"
}
```
Sign-up source ID determines opt-in attribution and compliance disclosure shown.
### Unsubscribe
```bash
POST https://api.attentivemobile.com/v1/subscriptions/unsubscribe
{
"user": { "phone": "+15551234567" },
"subscriptionType": "MARKETING"
}
```
### Custom event tracking
```bash
POST https://api.attentivemobile.com/v1/events/custom
{
"user": { "phone": "+15551234567" },
"type": "abandoned_cart",
"properties": {
"cart_value": 89.99,
"items": ["Product A"]
}
}
```
### E-commerce events (purchase, add-to-cart, product view)
```bash
POST https://api.attentivemobile.com/v1/events/ecommerce/purchase
{
"user": { "phone": "+15551234567" },
"items": [{
"productId": "SKU-123",
"name": "Product A",
"price": { "value": 4999, "currency": "USD" },
"quantity": 1
}],
"occurredAt": "2026-05-15T10:00:00Z"
}
```
Similar endpoints for `/add_to_cart`, `/product_view`, `/checkout`.
### Send transactional message
```bash
POST https://api.attentivemobile.com/v1/messages/transactional
{
"user": { "phone": "+15551234567" },
"messageBody": "Your order #1234 shipped. Track: https://...",
"type": "ORDER_SHIPPING"
}
```
### List campaigns
```bash
GET https://api.attentivemobile.com/v1/campaigns
```
### Webhooks
Subscribe to: `subscriber.created`, `subscriber.unsubscribed`, `message.sent`, `message.delivered`, `message.failed`, `conversion.attributed`.
## API Pattern
REST + JSON. Bearer auth. Webhook signature verification via HMAC-SHA256.
## Key Features
- Concierge sales (live agents responding via SMS)
- Identity resolution (matching anonymous site visitors to phone numbers for retargeting)
- Strong analytics + attribution (multi-touch, conversion path)
- AI Journey AI / Pro AI (AI-generated send timing and copy)
- Custom Audience Manager (advanced segmentation)
- A/B testing built into campaign builder
- Two-way SMS at scale
- A2P 10DLC fully managed
- Short code provisioning included on most plans
- Dedicated CSM, copy support, strategy consults
## Pricing
- Custom contracts; typically $1K$10K+/mo platform fee + per-send fees
- Annual contracts standard
- Pricing rarely makes sense for <50K active SMS subscribers
- Negotiable based on volume and tier
## When to Use
- Mid-market+ DTC brand (50K+ active SMS subscribers, $5M+/yr revenue)
- Want dedicated CSM and copy support, not just tooling
- Need concierge two-way SMS at scale
- Multi-channel ecom team that wants single-pane SMS-first platform
- Want short code included rather than separately leased
- Identity resolution / cross-device matching matters
## When NOT to Use
- Smaller brands — too expensive, overkill
- Already on Klaviyo and SMS is secondary — Klaviyo SMS is simpler
- Shopify-only and want depth — Postscript is more Shopify-native
- Custom platform / B2B SaaS — Twilio
## Relevant Skills
- sms
- emails (run alongside)
- churn-prevention
- customer-research (identity resolution data)