Mailtrap MCP Server for Mastra AIGive Mastra AI instant access to 12 tools to Clear Sandbox Inbox, Delete Sandbox Message, Get Domain Status, and more
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Mailtrap through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this App Connector for Mastra AI
The Mailtrap app connector for Mastra AI is a standout in the Developer Tools category — giving your AI agent 12 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
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: {
"mailtrap": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Mailtrap Agent",
instructions:
"You help users interact with Mailtrap " +
"using 12 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Mailtrap?"
);
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 Mailtrap MCP Server
Connect your Mailtrap account to any AI agent and manage email testing and delivery through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Mailtrap tool infrastructure. Connect 12 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 Sending — Send transactional emails via the Mailtrap API
- Inbox Testing — Browse testing inboxes and inspect captured emails
- Message Analysis — Analyze email HTML, spam scores, and headers
- Delivery Analytics — Track opens, clicks, bounces, and delivery rates
- Project Management — Manage testing projects and inboxes
- Account Management — Switch between connected accounts and domains
The Mailtrap MCP Server exposes 12 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.
All 12 Mailtrap tools available for Mastra AI
When Mastra AI connects to Mailtrap through Vinkius, your AI agent gets direct access to every tool listed below — spanning email-sandbox, smtp-testing, email-debugging, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Delete all emails in inbox
Delete captured email
Get domain details
Get message metadata
Get email HTML body
Get user accounts
List account projects
List messages in inbox
List virtual inboxes
List sending domains
Send email in production
Send test email to sandbox
Connect Mailtrap to Mastra AI via MCP
Follow these steps to wire Mailtrap into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the Mailtrap MCP Server
Mastra AI provides unique advantages when paired with Mailtrap through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Mailtrap 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 Mailtrap 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
Mailtrap + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Mailtrap MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Mailtrap, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Mailtrap as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Mailtrap on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Mailtrap tools alongside other MCP servers
Example Prompts for Mailtrap in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Mailtrap immediately.
"Show testing inboxes and recent captured emails."
"Show transactional sending analytics for this week."
"Analyze the spam score for the last captured email."
Troubleshooting Mailtrap MCP Server with Mastra AI
Common issues when connecting Mailtrap to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpMailtrap + Mastra AI FAQ
Common questions about integrating Mailtrap 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.