Bring Notifications
to Mastra AI
Create your Vinkius account to connect Courier to Mastra AI and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Courier MCP Server?
Integrate Courier, the smart notification infrastructure, directly into your AI workflow. Design, orchestrate, and send messages across email, SMS, push, and chat apps using natural language.
What you can do
- Send Notifications — Trigger complex notification workflows to any recipient via the Send API.
- Message Monitoring — List sent messages and track their real-time delivery status (sent, delivered, opened).
- Template Management — Browse available notification templates and custom brands.
- Audience & User Insights — Manage subscription lists and retrieve user profiles.
How it works
- Connect the Courier integration to your AI assistant.
- Authorize using your Courier Auth Token (found in Settings > API Keys).
- Manage your global notification strategy through chat.
Who is this for?
- Product Managers — Quickly verify if critical system notifications are being delivered.
- Developers — Audit message history and troubleshoot delivery issues via chat.
- Customer Support — Check user profiles and their recent notification history to provide better help.
Built-in capabilities (10)
Touches delivery logs, provider responses, and rendering metadata boundary. Get details for a specific message by ID
Resolves event types (SENT, DELIVERED, etc.) and detailed provider logs. Get the delivery history logs for a message
Resolves contact details (email, phone) and channel-specific delivery preferences. Get the profile data for a specific user
Resolves audience IDs, names, and filter criteria used for segmentation. List saved audiences for targeted notifications
Resolves brand names, colors, and logo settings used for white-labeling notifications. List custom brands configured in Courier
Resolves message IDs, recipient identifiers, status (SENT, DELIVERED, OPENED, CLICKED), and timestamps. List sent messages and their current status
Resolves list IDs, names, and subscriber counts. List subscription lists for managing recipients
Resolves template names, IDs, and supported channels. List available notification templates
Resolves user IDs, roles, and account association details. List users registered in the Courier workspace
Touches recipient profile, template engine, and multi-channel provider boundaries. Send a notification to a recipient
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Courier 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.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Courier without touching business code
- —
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every Courier tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Courier in Mastra AI
Why run Courier with Vinkius?
The Courier connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Courier using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Courier and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Courier to Mastra AI through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Courier for Mastra AI
Every request between Mastra AI and Courier is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
How do I get a Courier Auth Token?
Log in to your Courier dashboard, navigate to Settings > API Keys, and you will find your Auth Token there. Use the 'Published' key for production environments.
What channels are supported?
Courier supports dozens of providers for Email (SendGrid, Mailgun), SMS (Twilio, MessageBird), Push (Firebase, OneSignal), and Chat (Slack, Discord).
Can I track if a message was opened?
Yes, the agent can use the get_message_details tool to check the status of a specific message, which includes tracking events like 'OPENED' or 'CLICKED' if supported by the provider.
How does Mastra AI connect to MCP servers?
Create an 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?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp
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