The Agent Skills Directory

[SAFE]: The skill provides secure implementation patterns for Phoenix Channels, including mandatory token verification in connect/3 and strict access control in join/3 to prevent unauthorized access.
[SAFE]: The instructions explicitly address data safety by requiring that all client-supplied payloads be treated as untrusted content, mandating schema validation and sanitization (e.g., length slicing and trimming) before any server-side processing or broadcasting.
[SAFE]: The skill follows least-privilege principles by recommending that business logic be delegated to context modules rather than being executed directly within the channel process.

phoenix-channels-essentials