cosmic-grackle

Use when the user wants to create, update, or delete a contact in the macOS Contacts app (Apple Contacts) on their local Mac. Triggers on phrases like "add a contact on my Mac", "create a new contact for X", "update Jane's job title", "change Bob's organization", "delete the contact for Alice", "remove a duplicate contact from Contacts.app". Applies only to the native macOS Contacts app backed by the CNContactStore framework — NOT Google Contacts, iCloud.com, CRMs, or address books in third-party apps. Requires the `cosmic-grackle` MCP server (installed separately — see https://github.com/ngerakines/cosmic-grackle) to be registered with the user's MCP client; the server exposes `contacts_search`, `contacts_get`, `contacts_create`, `contacts_update`, `contacts_delete`, `contacts_list`, `groups_list`, and `groups_members`. If those tools are not available in the session, tell the user the MCP server is not installed or registered and link them to the install instructions rather than guessing. The first tool inv