The Agent Skills Directory

[SAFE]: The skill is a comprehensive guide on implementing HTTP error responses (404, 410, 503, etc.) according to best practices and RFC 9457.
[SAFE]: It includes a dedicated section on preventing information leakage, explicitly warning against including stack traces, internal IP addresses, framework versions, or sensitive user data in error responses.
[COMMAND_EXECUTION]: The verification section provides standard curl commands. These are intended for developers to manually test their own server's response headers and content-types. The commands use example.com as a placeholder and do not involve suspicious network operations or exfiltration.

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