The Agent Skills Directory

[INDIRECT_PROMPT_INJECTION]: The skill implements patterns that process external data through SMS and voice channels, creating an attack surface for indirect prompt injection.
Ingestion points: The skill accepts phone numbers and message bodies in the send_sms and send_verification methods, and processes keypad input via the menu_selection webhook (SKILL.md).
Boundary markers: There are no explicit delimiters or specific instructions provided to the agent to ignore potentially malicious content embedded within the message bodies or inputs.
Capability inventory: The skill possesses the capability to send SMS messages and initiate voice calls using the Twilio SDK (SKILL.md).
Sanitization: The implementation includes a validate_e164 method to enforce phone number formatting and uses Twilio's RequestValidator to ensure the integrity of incoming webhook requests (SKILL.md).

twilio-communications