Best Alternatives to Unisender MCP

MCP server for SendPulse API — mailing lists, email sending, statistics. OAuth2 auth.

Lumail

Runtime: npx

Official Lumail email marketing MCP for campaigns, subscribers, and workflows.

Abnormal Security MCP

Runtime: npx

Abnormal Security email threats, cases, and reporting in your terminal and your AI agents.

Nitrosend

Runtime: npx

AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.

SenderKit

Runtime: npx

Build and send email, SMS, and push straight from your AI agent.

Sendmux MCP

Runtime: uvx

Email inbox API for AI agents with MCP tools for Mailbox, Management, and Sending APIs.

Emailable

Runtime: Remote (SSE)

Emailable MCP — wraps the Emailable email verification API (emailable.com)

Domains + send/receive email + inbound webhooks + DNS for AI agents. One API, MCP, CLI.

Line Bot MCP Server

Runtime: npx

Verified

Connects an AI agent to LINE Messaging API for messaging, user profiles, quotas, followers, and rich-menu management.

Mailbuttons

Runtime: npx

Governed email for AI agents: sandbox inboxes, server-side policy gate, tamper-evident audit.

SendGrid MCP Server

Runtime: Remote (SSE)

MCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.

Slack MCP Server

Runtime: npx

MCP server providing Slack workspace data access with message history, threads, DMs, user info, and optional message posting.