SendHQ

Hosted email API connector: send and receive email from your own verified domains, manage inboxes, drafts, templates, domains and suppressions, and check deliverability and delivery events (60 tools). Tools that send real email are annotated destructive so clients ask first. Remote endpoint: `https://mcp.sendhq.cc/mcp` (Streamable HTTP, OAuth 2.1 with dynamic client registration and PKCE). Official MCP Registry id `cc.sendhq/sendhq`.

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