Compatible with every major AI agent and IDE
What is the MailerLite MCP Server?
Connect your MailerLite account to any AI agent and manage email marketing through natural conversation.
What you can do
- Campaign Management — Create, schedule, and track email campaigns
- Subscriber Management — Add, segment, and manage subscriber groups
- Automation Workflows — Browse and monitor automated email sequences
- Analytics — Track open rates, click rates, and subscriber growth
- Form & Landing Pages — Access signup forms and landing page data
How it works
- Subscribe to this server
- Enter your MailerLite API Key and API version
- Start managing email from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Marketers — run email campaigns with advanced analytics
- Small Businesses — manage subscriber lists and automations
- Creators — grow audiences with landing pages and forms
Built-in capabilities (10)
Use this to organize and segment your audience. Create a new subscriber group
Get details for a specific subscriber
Useful for monitoring marketing activity. List email campaigns
Essential for identifying which fields can be mapped during subscriber upserts. List all custom subscriber fields
List all signup forms
Groups are used to organize subscribers for targeted mailings. List all subscriber groups
Useful for identifying high-engagement subsets of your audience. List all subscriber segments
Includes email addresses, statuses, and basic engagement metadata. List all email subscribers
List active account webhooks
Requires the email address and supports optional first/last name fields. Create or update a subscriber
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and MailerLite 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 MailerLite without touching business code
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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 MailerLite 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
MailerLite in Mastra AI
MailerLite and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect MailerLite to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for MailerLite in Mastra AI
The MailerLite 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. All 10 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Mastra AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* 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
How Vinkius secures
MailerLite for Mastra AI
Every tool call from Mastra AI to the MailerLite MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I create campaigns and track performance?
Yes. Create and schedule campaigns, send to groups or segments, and track opens, clicks, bounces, and conversions in real time.
Does MailerLite require an API version parameter?
Yes. MailerLite requires an API Key and API Version (v1 or v2) for configuration. Bearer auth against api.mailerlite.com/api/v2.
Can I manage automation workflows?
Yes. Browse active automations, monitor trigger rates, and view email sequence performance.
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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