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>
Corey Haines
d36433703b