Best Alternatives to AXL MCP

SenderKit

Runtime: npx

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

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.

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.

Mailrith Email Marketing

Runtime: Remote (SSE)

Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.

Agency marketing & CRM: leads, campaigns, email/SMS/WhatsApp, LinkedIn, landing pages, social.

Slack MCP Server

Runtime: npx

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

Ms 365 MCP Server

Runtime: npx

MCP server providing access to Microsoft 365 services via Graph API with configurable toolsets and authentication.

Mailbuttons

Runtime: npx

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

AgentPing

Runtime: npx

Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

Microsoft Outlook MCP

Runtime: npx

Microsoft Outlook (mail) MCP server — read, search, and send email through Microsoft Graph.

Envloped

Runtime: Remote (SSE)

Send transactional email, verify domains, build contact segments, and draft marketing campaigns.