EngageLab

Deliver professional email campaigns with advanced tracking, scheduling, and personalization features.

CommunityOnlineAPI key requiredGlobalFreeCan modify data

What it can do

  • Send Mail: Email Sending Tool via EngageLab Email API Send email messages through the EngageLab Email API with advanced features including rich content, attachments, and tracking capabilities. This to
  • Send Template Mail: Send a templated email via EngageLab Email API example: { "from": "newsletter@aizl.net", "to": [ "448252@example.com" ], "body": { "subject": "first email for engagelab mcp", "temp

What data it sees

Do you need an account

An API key from the service settings is required

Deliver professional email campaigns with advanced tracking, scheduling, and personalization features. Create engaging messages using dynamic templates and rich content attachments for marketing or transactional purposes. Monitor delivery performance and user interactions to optimize communication strategies.

How to connect

How to connect EngageLab to Claude

The server address to paste into Claude settings:

https://email-service--engagelab.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect EngageLab to ChatGPT

The server address to paste into ChatGPT settings:

https://email-service--engagelab.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect EngageLab to Cursor

The server address to paste into Cursor settings:

https://email-service--engagelab.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (2)

Raw names from tools/list. Only developers need these.

send_mailEmail Sending Tool via EngageLab Email API Send email messages through the EngageLab Email API with advanced features including rich content, attachments, and tracking capabilities. This tool allows you to compose and send fully-featured emails with: - HTML and plain text content with preview text for inbox optimization - Multiple recipient types (To, CC, BCC) with name/email formatting support - File attachments with inline or regular disposition options - Email tracking (opens, clicks, unsubscribes) and delivery notifications - Custom headers for email routing and metadata - Variable substitution for personalized content - Scheduled sending (immediate or delayed delivery) - Sandbox mode for testing without actual delivery Required authentication: API credentials must be provided via HTTP headers 'api_user' and 'api_key'. Request Parameters: - from_: Sender email address in format "Name <email@example.com>" - to: List of primary recipients, each in format "Name <email@example.com>" - body: Email body object containing: - subject: Email subject line - content: Object with html, text, and preview_text fields - cc/bcc: Carbon copy and blind carbon copy recipients - reply_to: Reply-to addresses - attachments: List of file attachments with content (base64), filename, disposition (inline/attachment) - vars: Global variables for template personalization - dynamic_vars: Per-recipient dynamic variables for personalization - settings: Configuration object including: * send_mode: 0 for immediate, 1 for scheduled * sandbox: True for testing mode * open_tracking: Track email opens * click_tracking: Track link clicks * notification: Enable delivery notifications * unsubscribe_tracking: Track unsubscribe requests - custom_args: Custom key-value pairs for integration workflows - request_id: Unique identifier for request tracing and idempotency Example use cases: - Sending transactional emails (order confirmations, receipts) - Marketi
send_template_mailSend a templated email via EngageLab Email API example: { "from": "newsletter@aizl.net", "to": [ "448252@example.com" ], "body": { "subject": "first email for engagelab mcp", "template_invoke_name": "1766139533326_Untitled_invoke_name", "settings": { "send_mode": 0, "sandbox": false, } }, "custom_args": { } }