The Agent Skills Directory

[SAFE]: The skill is a standard code generation tool for architectural components in PHP.
The IdempotencyKey class implements strict validation using a UUID v4 regular expression, which effectively mitigates injection attacks via the HTTP header.
The RedisIdempotencyStorage implementation uses atomic Redis operations (setex) and includes TTL (Time To Live) support to prevent unbounded storage growth.
The middleware correctly excludes safe HTTP methods (GET, HEAD, OPTIONS) from idempotency checks, adhering to REST best practices.
No hardcoded credentials, unauthorized network requests, or obfuscated code were found in the provided files.

create-idempotency-handler