Bring Email Campaigns
to OpenAI Agents SDK
Create your Vinkius account to connect MailWizz to OpenAI Agents SDK and start using all 9 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 MailWizz MCP Server?
Connect your MailWizz instance to any AI agent to automate your professional email marketing and audience management. This MCP server enables your agent to manage subscriber lists, control campaign lifecycles, and update subscriber data directly from natural language interfaces.
What you can do
- Campaign Oversight — List all email campaigns and retrieve detailed metadata and status information
- Mailing Control — Pause or unpause campaigns and manage their delivery lifecycle programmatically
- Audience Management — List all subscriber collections (lists) and retrieve their unique identifiers
- Subscriber Administration — Add, update, and remove subscribers from specific lists using their UIDs
- Data Ingestion — Sync subscriber information and manage custom fields across your email databases
- Self-Hosted Support — Works with any self-hosted MailWizz instance using your personal API keys
How it works
- Subscribe to this server
- Enter your MailWizz API URL and Public Key
- Start managing your marketing audience from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Marketing Managers — Monitor campaign results and manage subscriber segments via simple natural language commands
- CRM Specialists — Quickly update contact information and audit list health without leaving your productivity tools
- Developers — Integrate MailWizz's robust marketing logic into your custom internal tools
Built-in capabilities (9)
Requires a list UID and subscriber data. Add a new subscriber to a list
Remove a subscriber from a list
Get details for a specific campaign
Get details for a specific subscriber list
List all email marketing campaigns
List subscribers in a specific list
List all subscriber lists
Pause a running campaign
Update an existing subscriber
Why OpenAI Agents SDK?
The OpenAI Agents SDK auto-discovers all 9 tools from MailWizz through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries MailWizz, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
- —
Native MCP integration via
MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety - —
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
- —
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
- —
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
MailWizz in OpenAI Agents SDK
Why run MailWizz with Vinkius?
The MailWizz 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 9 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 MailWizz using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
MailWizz and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect MailWizz to OpenAI Agents SDK 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
MailWizz for OpenAI Agents SDK
Every request between OpenAI Agents SDK and MailWizz 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 find my List UID or Campaign UID?
You can retrieve all UIDs by using the list_subscriber_collections or list_email_campaigns tools. They are also visible in the URL when viewing these resources in your MailWizz dashboard.
Can I add custom fields when subscribing a user?
Yes, include your custom field values (like FNAME, LNAME) within the subscriber_json object when using the add_subscriber_to_list tool.
What is the API URL?
This is the full base URL where your MailWizz API is reachable, for example: https://mail.yourdomain.com/api. Your token is encrypted at rest and injected securely at runtime.
How does the OpenAI Agents SDK connect to MCP?
Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.
Can I use multiple MCP servers in one agent?
Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.
Does the SDK support streaming responses?
Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.
MCPServerStreamableHttp not found
Ensure you have the latest version: pip install --upgrade openai-agents
Agent not calling tools
Make sure your prompt explicitly references the task the tools can help with.
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