Skill Claude CodeCodex
Planning skill for building customer service and support systems. Qualifies the developer's needs across the support ladder (self-service → AI agents → contact center), channel mix, and scale to recommend the right Twilio architecture. Handles both "build me a call center" and "add an IVR to my existing support line.".
Skill Claude CodeCodex
Debug Twilio integrations and set up production observability. Covers the Console Debugger, Monitor Alerts API, Event Streams for error log streaming, status callback tracking, common error codes, and a systematic debugging workflow. Use this skill whenever a Twilio integration produces errors, messages fail to…
Skill Claude CodeCodex
Deliverability advisor for the Twilio Email API specifically. Use ONLY when the developer explicitly mentions Twilio Email, comms.twilio.com, or a Twilio (non-SendGrid) email program. For all other deliverability questions — including generic ones — use twilio-sendgrid-deliverability-advisor.
Skill Claude CodeCodex
Use when the caller has Twilio credentials (Account SID + Auth Token or API Key SID + Secret) and needs to send email via comms.twilio.com/v1/Emails. This is Twilio-native email — NOT SendGrid. Do NOT use if the caller has a SendGrid API key (SG.-prefix) — use twilio-sendgrid-email-send instead. Covers single sends…
Skill Claude CodeCodex
Add knowledge retrieval (RAG) to AI agents using Twilio Enterprise Knowledge. Covers provisioning Knowledge Bases, uploading sources from web URLs, PDFs, and raw text, and running semantic search to retrieve relevant chunks at runtime. Use this skill to ground agent responses in your organization's actual approved…
Skill Claude CodeCodex
Set up and manage Twilio authentication credentials: Auth Tokens, API keys (Standard, Main, Restricted), Access Tokens for client-side SDKs, and credential rotation. Use this skill as a prerequisite foundation before making any Twilio API calls.
Skill Claude CodeCodex
Planning skill for identity verification and fraud prevention. Qualifies the developer's needs across authentication method, channel selection, fraud risk level, and user experience to recommend the right Twilio Verify + Lookup architecture. Handles login, signup, password reset, and risk-adaptive verification.
Skill Claude CodeCodex
Look up phone number intelligence via Twilio Lookup v2 API. Covers number validation, line type detection (mobile/landline/VoIP), SIM swap detection, caller name, identity match, and SMS pumping risk scoring. Use this skill to validate numbers or assess fraud risk before sending messages or calls.
Skill Claude CodeCodex
Planning skill for marketing and promotional messaging. Use when a developer is figuring out how to set up or architect a marketing campaign on Twilio — channel selection, compliance readiness, audience size, geography, and delivery tracking. Handles open-ended requests like "how do I set up a WhatsApp marketing…
Skill Claude CodeCodex
Planning skill that helps the developer pick the right Twilio messaging channel — SMS, MMS, RCS, or WhatsApp — for a given use case. Qualifies intent across content type, geography, use case (marketing / notifications / OTP / support), cost model, and brand presence. Use when the developer asks "which channel should I…
Skill Claude CodeCodex
Twilio Messaging channel overview and onboarding guide. Covers all channels (SMS, WhatsApp, RCS, Facebook Messenger), the unified Messages API, channel selection guidance, and the recommended setup sequence from first message to production monitoring. Start here before choosing a specific messaging channel.
Skill Claude CodeCodex
Create and configure Twilio Messaging Services for production messaging. Covers sender pools, geo-match, sticky sender, message scheduling, compliance toolkit, SMS pumping protection, link shortening, and intelligent alerts. Use this skill when setting up production-ready messaging infrastructure.
Skill Claude CodeCodex
Receive and respond to inbound messages and track outbound delivery status via Twilio webhooks — across SMS, MMS, WhatsApp, and RCS. Covers webhook request parameters, replying with TwiML, validating webhook signatures for security, and handling status callbacks. Use this skill whenever an agent needs to handle…
Skill Claude CodeCodex
Migrate an existing OTP / one-time-passcode flow from the Twilio Programmable Messaging API (self-built: generate code → send SMS → validate) to the Twilio Verify API (managed code generation, delivery, expiry, rate limiting, and Fraud Guard). Covers what Verify replaces, creating a Verify Service, replacing send +…
Skill Claude CodeCodex
Planning skill for transactional notifications, alerts, and reminders. Qualifies the developer's needs across urgency, channel selection, delivery confirmation, and fallback patterns to recommend the right Twilio notification architecture. Handles both "send shipping updates to customers" and "build a multi-channel…
Skill Claude CodeCodex
Choose the right Twilio number type and sender BEFORE building. Covers phone numbers (local, toll-free, short code, mobile), alphanumeric sender IDs, WhatsApp senders, RCS agents, international availability, and regulatory bundles. Each number type has its own compliance program — choosing wrong means rebuilding. Use…
Skill Claude CodeCodex
Set up and manage Twilio Organizations for centralized account and user governance. Covers the Organization > Account > Subaccount hierarchy, roles (Owner/Admin/Standard), managed vs independent accounts, domain registration, SSO enforcement, SCIM provisioning, and Organization merging. Use this skill when managing…
Skill Claude CodeCodex
Send RCS Business Messages via Twilio. Covers compliance onboarding (7-part US process), sender profile setup, sending rich cards and carousels, SMS fallback, device support (Android + iOS 18 caveats), and common errors. Use this skill when building RCS messaging or onboarding an RCS sender.
Skill Claude CodeCodex
Manage regulatory compliance for international phone numbers. Covers what bundles are, which countries require them, how to create End-Users and Supporting Documents, evaluate and submit bundles, fix evaluation failures, update bundles when regulations change, and ISV multi-account patterns. Use this skill when…
Skill Claude CodeCodex
Handle rate limits, retries, and failures when building on Twilio at scale. Covers 429 exponential backoff with jitter, per-number throughput limits, StatusCallback resilience, thin-receiver pattern, and fallback chains. Use this skill whenever sending messages or making calls at volume, or when building…
Skill Claude CodeCodex
Choose the right Twilio authentication method and implement it correctly. Covers Auth Token (testing only), API Keys (production standard), OAuth2 clientcredentials (time-limited bearer tokens), Access Tokens (client-side SDKs), and test credentials. Use this skill before making any Twilio API calls in production.
Skill Claude CodeCodex
Configure Twilio accounts for HIPAA compliance. Covers BAA requirements, HIPAA Project designation (self-service and support), eligible services list, per-product requirements (Voice, SMS, ConversationRelay, Conversation Intelligence, Flex, Verify), message redaction, and what is NOT eligible. Use this skill when…
Skill Claude CodeCodex
Secure Twilio applications against common attacks. Covers credential management (API keys vs auth tokens), request validation (webhook signature verification), PCI DSS compliance, HIPAA account requirements, SMS pumping prevention, geo-permissions, and account isolation patterns. Use this skill when developers are…
Skill Claude CodeCodex
Send messages via Twilio's Programmable Messaging API across all channels — SMS, MMS, RCS, and WhatsApp. Covers text messages, media, rich content (cards, carousels, buttons), template-based sends, Messaging Services, status callbacks, and WhatsApp's 24-hour service window. Use when the user wants to send a message …