Verdict
Security and Hardening widens an agent’s implementation lens to trust boundaries, untrusted input, sessions, data handling, external integrations, and privacy. It is one of the clearest capabilities Addy’s lifecycle adds beyond an inner-loop coding methodology.
Best for
Features involving authentication, authorization, personal data, uploads, webhooks, third-party APIs, or any user-controlled input.
Keep in mind
It is a disciplined checklist rather than a penetration test, threat-model workshop, or substitute for specialist review of high-risk systems.
Example task
Harden the document-sharing endpoint against authorization bypass, unsafe filenames, content-type confusion, and excessive retention.