Postmaster+ MCP server — tools & history

Postmaster+ MCP server: observed unknown status, tool schemas, linked apps and version history.

Postmaster+

Endpoint: https://postmasterplus.app/mcp/postmaster

Observed status: unknown. Checked: Not yet checked.

Linked apps

• Postmaster+

  Email deliverability copilot that unifies Gmail Postmaster Tools, Outlook SNDS, Validity, universal feedback loops, and DNS into one health view — across all your teams.

Observed tools

OpenApps records store listings and observed changes. Store ranks are not download counts; launch dates may be derived or use the first observation. Coverage gaps are shown in the interactive catalog.

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