Sender Profile Architect A Sender Profile is the operational boundary for tenant identity, channel configuration, inherited resources, billing, and credentials. Use this skill before provisioning when a poor boundary would mix brands, compliance posture, rate-limit impact, or webhook ownership. For live MCP profile lifecycle operations use ; for market requirements use . MCP selects an acting profile with optional on ordinary account tools for organization grants only. tools operate on target and reject acting . REST headers below are not MCP arguments. Recommended tenancy model When tenants…