The Agent Skills Directory

[CREDENTIALS_UNSAFE]: Accesses and modifies sensitive authentication files including ~/.claude/.credentials.json and ~/.claude.json to swap session tokens and user identity blocks between accounts.
[CREDENTIALS_UNSAFE]: Programmatically interacts with the macOS Keychain (security service Claude Code-credentials) to manage and rotate authentication tokens.
[COMMAND_EXECUTION]: Executes the macOS security utility with the -A flag (security add/delete-generic-password -A), which allows the skill to modify or delete keychain items without triggering a GUI security prompt or requiring manual user approval.

account-rotation