MailerSend MCP Server for Vercel AI SDK 10 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect MailerSend through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using MailerSend, list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
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.
The Vercel AI SDK gives every MailerSend tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 10 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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 Vercel AI SDK 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 Vercel AI SDK via MCP
Follow these steps to integrate the MailerSend MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 10 tools from MailerSend and passes them to the LLM
Why Use Vercel AI SDK with the MailerSend MCP Server
Vercel AI SDK provides unique advantages when paired with MailerSend through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same MailerSend integration everywhere
Built-in streaming UI primitives let you display MailerSend tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
MailerSend + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the MailerSend MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query MailerSend in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate MailerSend tools and return structured JSON responses to any frontend
Chatbots with tool use: embed MailerSend capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with MailerSend through natural language queries
MailerSend MCP Tools for Vercel AI SDK (10)
These 10 tools become available when you connect MailerSend to Vercel AI SDK 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 Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK 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 Vercel AI SDK
Common issues when connecting MailerSend to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpMailerSend + Vercel AI SDK FAQ
Common questions about integrating MailerSend MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.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 Vercel AI SDK
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.