Postmark MCP Server for Mastra AIGive Mastra AI instant access to 11 tools to Get Delivery Stats, Get Outbound Stats, Get Server Info, and more
GDPR Free for SubscribersMastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Postmark 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 for Mastra AI
The Postmark MCP Server for Mastra AI is a standout in the Developer Tools category — giving your AI agent 11 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { 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: {
"postmark-extended": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Postmark Agent",
instructions:
"You help users interact with Postmark " +
"using 11 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Postmark?"
);
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 Postmark MCP Server
Connect your Postmark account to any AI agent and simplify your transactional email management, deliverability tracking, and template orchestration through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Postmark tool infrastructure. Connect 11 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 single or bulk transactional emails programmatically directly from your agent using verified signatures
- Template Management — Query and manage your catalog of email templates to ensure consistent messaging across your server
- Bounce Tracking — Access a history of bounced emails and monitor deliverability issues in real-time
- Server & Account Control — List and manage your Postmark servers and account settings programmatically
- Engagement Insights — Access aggregate performance analytics, including sent and open metrics
The Postmark MCP Server exposes 11 tools through the Vinkius. Connect it to Mastra AI in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 11 Postmark tools available for Mastra AI
When Mastra AI connects to Postmark through Vinkius, your AI agent gets direct access to every tool listed below — spanning transactional-email, email-delivery, template-management, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Get delivery stats on Postmark
Get email delivery statistics
Get outbound stats on Postmark
Get outbound delivery stats
Get server info on Postmark
Get Postmark server configuration
Get template on Postmark
Get details for a specific email template
List account servers on Postmark
List account servers
List bounces on Postmark
List recent email bounces
List domains on Postmark
List all verified sending domains
List email templates on Postmark
List email templates
List outbound messages on Postmark
List sent messages
Send batch email on Postmark
Send emails in batch
Send email on Postmark
Send a single email
Connect Postmark to Mastra AI via MCP
Follow these steps to wire Postmark into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind 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 Postmark MCP Server
Mastra AI provides unique advantages when paired with Postmark through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Postmark 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 Postmark 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
Postmark + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Postmark MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Postmark, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Postmark as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Postmark on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Postmark tools alongside other MCP servers
Example Prompts for Postmark in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Postmark immediately.
"Send a transactional email from support@example.com to john@doe.com with subject 'Reset Password'."
"Show me all email bounces from the last 7 days and identify the main failure patterns."
"Send a transactional welcome email to new user sarah@meridian.io using the onboarding template."
Troubleshooting Postmark MCP Server with Mastra AI
Common issues when connecting Postmark to Mastra AI through Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpPostmark + Mastra AI FAQ
Common questions about integrating Postmark 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?
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