Compatible with every major AI agent and IDE
What is the Mailjet MCP Server?
Connect your Mailjet account to any AI agent and manage email operations through natural conversation.
What you can do
- Email Sending — Send transactional and marketing emails at scale
- Contact Management — Manage contact lists with properties and segmentation
- Template Management — Browse, create, and manage email templates
- Delivery Analytics — Track opens, clicks, bounces, and spam reports
- Campaign Management — Create and monitor email campaigns
- Statistics — Access detailed sending statistics and trends
How it works
- Subscribe to this server
- Enter your Mailjet API Key and Secret Key
- Start managing email from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Developers — integrate email sending with rich APIs
- Marketers — manage campaigns and contact lists
- Operations — monitor deliverability and sender reputation
Built-in capabilities (12)
Add email to contacts
Check account stats
) for a specific campaign ID. Check campaign stats
Get template content
List audience contacts
List contact lists
List saved templates
Check sending domains
List past campaigns
Send transactional email
Send using template
Add contact to list
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Mailjet tool infrastructure. Connect 12 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.
- —
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Mailjet 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 Mailjet 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
Mailjet in Mastra AI
Mailjet and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Mailjet 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 Mailjet in Mastra AI
The Mailjet 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 12 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
Mailjet for Mastra AI
Every tool call from Mastra AI to the Mailjet MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I send both transactional and marketing emails?
Yes. Mailjet supports both transactional (triggered) and marketing (campaign) emails through the same API.
Does Mailjet require two API keys?
Yes. Mailjet uses API Key and Secret Key pair with Basic Auth against api.mailjet.com/v3.
Can I manage contact lists and segments?
Yes. Create and manage contact lists, set contact properties, and build segments with dynamic conditions.
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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