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Mailjet MCP Server

Yes. Mailjet has an official MCP server, hosted at github.com/mailgun/mailjet-mcp-server.

OFFICIAL MCPPublic APISDKs: php, ruby, python, csharp, java, node
Verification pendingAgent-readiness 8/10
Data from Buddy's database, auto-rechecked weekly

What is the Mailjet MCP server?

The Mailjet MCP server lets Claude, Cursor, Codex, and other MCP-compatible clients query campaigns, contacts, segments, and automation workflows without leaving the editor. The server is official, hosted by Mailjet themselves, so it should track product changes without lag.

Three things you actually do with it: ask Claude which segments are growing fastest this quarter, have Cursor draft a 3-step welcome series for new ebook signups, and let Codex re-engage cold subscribers with personalised subject lines.

Mailjet also has a public REST API at mailjet.com. Use the API for scheduled jobs and custom dashboards. Use the MCP server when an LLM is in the loop.

For the rest of the picture see the Mailjet review, .

Inside Claude / Cursor / Codex

What you can build with the Mailjet MCP

Illustrative workflow examples. Exact tool names, parameters, and outputs come from Mailjet's MCP server schema — check the docs for the live surface.

mailjet-mcplive
>What's the open rate on my last 5 campaigns?
mailjet.list_campaigns({ limit: 5 })
LAST 5 CAMPAIGNS · OPEN RATE
Black Friday Teaser42.1%
Product launch38.5%
Weekly digest #1227.0%
Welcome flow step 261.3%
Re-engagement attempt9.8%
Suggest A/B subject lines for the bottom two?
mailjet-mcplive
>Build a 3-email welcome series for new ebook subscribers
mailjet.create_automation({ trigger: "list_added" })
AUTOMATION CREATED · 3 EMAILS
Day 0ebook delivery + intro
Day 2case study + soft CTA
Day 5product demo + 14-day trial
Review drafts before activation?
mailjet-mcplive
>Which segments are growing fastest this quarter?
mailjet.segment_growth({ period: "Q4" })
TOP 3 GROWING SEGMENTS
Trial → Paid converters+187%
EU subscribers+62%
Re-engaged churned+34%
TMB SCORE FOR MailjetMCP: OfficialAgent fit: 8/10
Read review →

How to connect Mailjet MCP to Claude Desktop

Add this block to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), then restart Claude Desktop. Cursor and Codex use a similar schema.

{
  "mcpServers": {
    "mailjet": {
      "command": "npx",
      "args": ["-y", "<server-package-name>"],
      "env": {
        "MAILJET_API_KEY": "your-api-key-here"
      }
    }
  }
}
// Server source: https://github.com/mailgun/mailjet-mcp-server
// Check the server's README for the exact "command" and required env vars.

Some MCP servers require an API key. Check the source page for setup: github.com/mailgun/mailjet-mcp-server.

Does Mailjet MCP cost extra?

Included with subscription

Mailjet ships an official MCP server that uses your existing subscription credentials.

  • No separate MCP licence to buy. You pay for your Mailjet plan, the MCP server queries that account.
  • Whether it's gated to a specific tier wasn't extracted automatically — verify the access requirements on the MCP page or pricing docs.

Mailjet subscription pricing

PlanMonthlyAnnual / mo
FreeFreeFree
Starter$9$8.1
Essential$17$15.3
Premium$27$24.3
CustomContact sales

Mailjet also publishes a REST API

Mailjet publishes an API, but per-tier gating wasn't extracted automatically.

Auth method
SDK languages
php, ruby, python, csharp, java, node
OpenAPI spec
Webhooks
available
Structured outputs
See Mailjet API page

What you can do with Mailjet from an AI agent

Three shapes of agent workflow. Pick the row that matches how you actually use Claude / Cursor / Codex day to day.

INDIE / SOLO

Skip the dashboard, ask Claude

  • "What campaigns underperformed this week?" answered in seconds
  • Quick one-off questions without leaving the editor
  • Pipe Mailjet data into your personal notes / docs without writing a script
Effort: 30 seconds — paste the config, restart Claude
AGENCY

Run client analysis at agent speed

  • Hand the MCP server to your team — every consultant can ask Claude about any client's Mailjet account
  • Multi-account workflows without context-switching the Mailjet UI
  • Reports you'd normally spend hours on, done before standup
Effort: An afternoon — set up auth per client
IN-HOUSE TEAM

Production agent workflows

  • Embed in your internal Codex / Cursor agents that triage Mailjet data daily
  • Combine with other MCP servers in a multi-step agent chain
  • Constrain agents to read-only roles to keep production Mailjet safe
Effort: Days — security review + role config

Limits and gotchas

  • Official MCP server — published by Mailjet themselves, so it should track product changes.
  • Fallback: the REST API works for any flow the MCP server doesn't cover.
  • Rate limits: MCP calls count against your underlying Mailjet API quota. Burst usage from a curious agent can drain a daily allowance fast.
8/10

Agent-readiness verdict

MCP server availableOfficial MCP (on tool's own domain)Public API with docsMultiple SDK languagesWebhooks supported

Scored 2026-05-27 by Joonas (TMB).

Mailjet MCP & API FAQ

Is the Mailjet MCP server official?+
Yes — published on Mailjet's own domain at https://github.com/mailgun/mailjet-mcp-server.
Can I use the Mailjet MCP with Cursor or Codex?+
Yes — MCP is a protocol, not Claude-specific. Any MCP-capable client (Cursor, Codex, Windsurf, Zed) can use the same server config with minor path adjustments.
Does Mailjet have a public API?+
Yes — public REST API at mailjet.com/docs/api. Official SDKs: php, ruby, python, csharp, java, node.
Does Mailjet support webhooks?+
Yes — webhooks are available on standard plans.

Sources

Data verified by Joonas on the dates shown. MCP server status auto-rechecked weekly.

Joonas Rotko
Joonas RotkoAuthor & Founder of That Marketing Buddy

10+ years in digital marketing. I review marketing software for AI-stack fit: real pricing, MCP and API support, and how cleanly each tool drops into an AI agent workflow, cross-checked against verified data and real user feedback.

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