4,000+ servers built on MCP Fusion
Vinkius
OpenAI Agents SDKSDK
OpenAI Agents SDK
Why use MailerLite MCP Server with OpenAI Agents SDK?

Bring Subscriber Management
to OpenAI Agents SDK

Create your Vinkius account to connect MailerLite to OpenAI Agents SDK and start using all 12 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.

MCP Inspector GDPR Free for Subscribers
Add Subscriber To GroupCreate GroupCreate SubscriberDelete SubscriberGet MeGet SubscriberList CampaignsList FormsList GroupsList SegmentsList SubscribersRemove Subscriber From Group
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
MailerLite

What is the MailerLite MCP Server?

Empower your AI agent to orchestrate your entire email marketing ecosystem with MailerLite, the simple yet powerful platform for growing your business. By connecting MailerLite to your agent, you transform complex subscriber management into a natural conversation. Your agent can instantly list active subscribers, create targeted groups, and audit campaign performance without you ever touching a dashboard. Whether you are managing a small newsletter or a large-scale marketing operation, your agent acts as a real-time marketing manager, ensuring your communication is always precise and effective.

What you can do

  • Subscriber Management — List, retrieve, create, and update subscribers using email or ID to keep your list healthy.
  • Groups & Segments — Organize your audience into targeted groups and segments for highly personalized marketing.
  • Campaign Insights — List sent and draft campaigns to stay on top of your marketing efforts and audit content.
  • Form Tracking — Monitor your popups and embedded forms to understand lead generation performance in real-time.
  • Account Auditing — Quickly retrieve account details and authorized access to maintain organizational control.

How it works

  1. Subscribe to this server
  2. Enter your MailerLite API Token
  3. Start managing your email marketing through Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Marketing Managers — instantly retrieve campaign statuses and subscriber counts without opening the MailerLite app.
  • Customer Support Teams — verify subscriber details and group memberships directly from the support chat.
  • Content Creators — check if new newsletters have been correctly drafted and scheduled for distribution.
  • Operations Leads — automate audience querying to orchestrate cross-functional marketing teams smoothly.

Built-in capabilities (12)

add_subscriber_to_group

Add a subscriber to a group

create_group

Create a new subscriber group

create_subscriber

Mandatory: email is required. Create or update a MailerLite subscriber

delete_subscriber

Delete a MailerLite subscriber

get_me

Get MailerLite account details

get_subscriber

Get details for a specific subscriber

list_campaigns

List MailerLite campaigns

list_forms

Default is popup. List MailerLite forms

list_groups

List all MailerLite groups

list_segments

List all MailerLite segments

list_subscribers

Supports filtering by status (active, unsubscribed, unconfirmed, bounced, junk). List MailerLite subscribers

remove_subscriber_from_group

Remove a subscriber from a group

Why OpenAI Agents SDK?

The OpenAI Agents SDK auto-discovers all 12 tools from MailerLite through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries MailerLite, 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

O
See it in action

MailerLite in OpenAI Agents SDK

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Enterprise Security

Why run MailerLite with Vinkius?

The MailerLite 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 12 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.

View full MailerLite details →
MailerLite
Fully ManagedNo server setup
Plug & PlayNo coding needed
SecurePrivacy protected
PrivateYour data is safe
Cost ControlBudget limits
Control1-click disconnect
Auto-UpdatesMaintenance free
High SpeedOptimized for AI
Reliable99.9% uptime
Your credentials and connection tokens are fully encrypted

* 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

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents
Connect securely in under 30 seconds
Complete visibility into every agent action
Optimize spending and track token ROI

Explore our live AI Agents Analytics dashboard to see it all working

This dashboard is included when you connect MailerLite using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.

Why Vinkius

MailerLite and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect MailerLite 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.

4,000+MCP Integrations
<40msResponse time
100%Fully managed
Raw MCP
Vinkius
Ready-to-use MCPsFind and configure each manually4,000+ MCPs ready to use
Connection SetupManual coding & server setup1-click instant connection
Server HostingYou host it yourself (needs 24/7 uptime)100% hosted & managed by Vinkius
Security & PrivacyStored in plaintext config filesBank-grade encrypted vault
Activity VisibilityBlind execution (no logs or tracking)Live dashboard with real-time logs
Cost ControlRunaway AI token spend riskAutomatic budget limits
Revoking AccessMust delete files or code to stop1-click disconnect button
The Vinkius Advantage

How Vinkius secures MailerLite for OpenAI Agents SDK

Every request between OpenAI Agents SDK and MailerLite is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How do I find my MailerLite API token?

Log in to MailerLite, go to Integrations, and click API to generate a new token. Copy and paste it into the token field below.

02

Can I add subscribers to specific groups using the AI agent?

Yes. Use the add_subscriber_to_group tool with the specific Group ID and Subscriber ID. Your agent will link them instantly and confirm the association.

03

Is it possible to monitor campaign drafts?

Yes. You can list all campaigns, including those in draft status, using the list_campaigns tool. This allows your agent to audit content before it is finalized.

04

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.

05

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.

06

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.

07

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

08

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

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