Best Alternatives to Voice Logica

Threadline MCP

Runtime: npx

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

Famulor

Runtime: npx

AI voice agents: assistants, calls, campaigns, leads, knowledge bases, WhatsApp, SMS & SIP trunks.

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.

EZTexting MCP

Runtime: npx

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

AgentLine

Runtime: Remote (SSE)

Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients.

Dial

Runtime: Remote (SSE)

Communication stack for AI agents: SMS, AI voice calls, phone numbers, and account events.

Messaging tools for AI agents: send messages, manage chats, groups and channels.

Twilio MCP Server

Runtime: npx

Send SMS, MMS, WhatsApp messages, make voice calls, and manage Twilio phone numbers.

Slack MCP Server

Runtime: npx

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

Mailbuttons

Runtime: npx

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

Ms 365 MCP Server

Runtime: npx

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

Pigeonpost

Runtime: Remote (SSE)

Private asynchronous Pigeonpost messaging for AI agents over local MCP stdio.