Best Alternatives to TDA Shared Bridge

Abnormal Security MCP

Runtime: npx

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

AgentPing

Runtime: npx

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

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.

HQBase

Runtime: Remote (SSE)

Connect AI agents to your self-hosted HQBase shared email workspace.

Leadloadz

Runtime: npx

B2B lead search and email verification MCP server

SenderKit

Runtime: npx

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

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.

Courier

Runtime: npx

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

Palmyr

Runtime: npx

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

Sentfromai MCP

Runtime: npx

Email for AI agents: inboxes, send/reply/forward, search, threads, webhooks — 21 SentFromAI tools.

Emailable

Runtime: Remote (SSE)

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