Mailionaire
Pax8-first setup + MCP reference
Tool reference

controlled_scale_gate · Controlled Scale Gate

Check customer readiness for an approved root domain, candidate domains, or a preview without queueing work. Returns PASS, WARN, or BLOCK checks.

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Use this when

Best-fit situations

Confirm readiness before an execute-style action.
Check candidate mailbox domains without consuming quota.
Explain a customer-visible blocker before opening a support thread.
Arguments

Expected inputs

approved_root_domain · optional
One approved root domain already registered for the customer.
domains · optional
Optional mailbox domains to check against the approved root domain.
preview_id · optional
Optional preview_id returned by provision_preview.
project_alias · optional
Optional project alias when the approved root domain maps to one target project.
Success shape

What comes back

status
can_execute
checks[] with status, summary, and customer-safe detail
Failure modes

What to expect when it blocks

controlled_scale_gate_failed when the request shape is invalid
access_blocked when the token is no longer valid for the customer
Example

Sample tool arguments

{
  "approved_root_domain": "mailionaire-demo.ch",
  "domains": [
    "mailionaire-demo.ch"
  ],
  "project_alias": "mailionaire"
}