MailerSend MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect MailerSend through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"mailersend": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "MailerSend Agent",
instructions:
"You help users interact with MailerSend " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with MailerSend?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About MailerSend MCP Server
Connect your MailerSend account to any AI agent to automate your transactional messaging and domain management. This MCP server enables your agent to send single or bulk emails, monitor domain verification, and track email activity directly from natural language interfaces.
Mastra's agent abstraction provides a clean separation between LLM logic and MailerSend tool infrastructure. Connect 10 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Email Delivery — Send transactional emails instantly with support for HTML, text, and templates
- Bulk Operations — Send up to 500 emails in a single batch request for high-volume communications
- Domain Oversight — List sender domains, retrieve DNS settings, and trigger ownership verification checks
- Recipient Management — List and query recipients from your account database to track engagement
- Activity Auditing — Access real-time logs of email events (sent, delivered, opened, clicked) for any domain
- Message Insight — Retrieve complete metadata and lifecycle history for individual sent messages
The MailerSend MCP Server exposes 10 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect MailerSend to Mastra AI via MCP
Follow these steps to integrate the MailerSend MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from MailerSend via MCP
Why Use Mastra AI with the MailerSend MCP Server
Mastra AI provides unique advantages when paired with MailerSend through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add MailerSend without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every MailerSend tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
MailerSend + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the MailerSend MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query MailerSend, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed MailerSend as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query MailerSend on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using MailerSend tools alongside other MCP servers
MailerSend MCP Tools for Mastra AI (10)
These 10 tools become available when you connect MailerSend to Mastra AI via MCP:
get_recipient_details
Get details for a specific recipient
get_sender_domain_details
Get details for a specific domain
get_sent_message_details
Get details for a specific sent message
list_domain_activity
List email activity for a specific domain
list_email_recipients
List all recipients in the account database
list_sender_domains
List all verified and unverified sender domains
list_sent_messages
List all sent email messages
send_bulk_transactional_emails
Send multiple transactional emails in one batch
send_transactional_email
Requires a JSON body with sender, recipient, and content (text/html) or template ID. Send a single transactional email
verify_sender_domain
Trigger a DNS verification check for a domain
Example Prompts for MailerSend in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with MailerSend immediately.
"Send a transactional email to 'user@example.com' with subject 'Welcome' and body 'Hello!'."
"List all active sender domains in my account."
"Show recent opened events for domain ID '98765'."
Troubleshooting MailerSend MCP Server with Mastra AI
Common issues when connecting MailerSend to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpMailerSend + Mastra AI FAQ
Common questions about integrating MailerSend MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect MailerSend with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect MailerSend to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.