Best Alternatives to Ghl MCP Server

Courier

Runtime: npx

Continuity protocol for autonomous AI agents. Agent messaging with SMTP bridge and LN payments.

Abnormal Security MCP

Runtime: npx

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

EZTexting MCP

Runtime: npx

Official EZTexting MCP server: SMS/MMS messaging, contacts, workflows, reports.

Threadline MCP

Runtime: npx

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

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.

Slack MCP Server

Runtime: npx

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

Outlook MCP

Runtime: npx

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

Reputation-gated messaging + job negotiation for Base AI agents. Descriptor-only, nothing signs.

MCP Zmq

Runtime: uvx

MCP server for ZMQ messaging

Ms 365 MCP Server

Runtime: npx

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

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.