authentication

On Aug 7, 2026, AWS shipped aws-auth as a core Cognito skill in the Agent Toolkit—603 installs on skills.sh within days, 9 reference packs under skills/core-skills/aws-auth, and a hard warning that update-user-pool-client is a full replace.

July 2026: Cognito user pools for SaaS — managed login vs classic hosted UI, pool vs silo tenancy, federation limits, and a checklist before you outgrow Cognito into Auth0/Okta.