MailerLite Automation
Automate email marketing operations -- manage subscribers, analyze campaign performance, organize groups and segments, and monitor account health -- all orchestrated through the Composio MCP integration.
Toolkit docs: [composio.dev/toolkits/mailerlite](https://composio.dev/toolkits/mailerlite)
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Setup
- Connect your MailerLite account through the Composio MCP server at
https://rube.app/mcp - The agent will prompt you with an authentication link if no active connection exists
- Once connected, all
MAILERLITE_*tools become available for execution
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Core Workflows
1. Verify Account & Fetch Metadata
Retrieve account details including plan limits and timezone to ensure consistent reporting.
Tool: MAILERLITE_GET_ACCOUNT_INFO
No parameters required -- returns account metadata, plan details, and timezone configuration.Always run this first to establish plan constraints and timezone for consistent time-windowed queries.
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2. Get Account-Wide Performance Stats
Retrieve aggregate subscriber counts, sent email totals, and engagement metrics for a health snapshot.
Tool: MAILERLITE_GET_ACCOUNT_STATS
No parameters required -- returns overall subscriber counts, sent emails, and performance metrics.---
3. List & Paginate Subscribers
Retrieve subscribers with optional status filtering and cursor-based pagination.
Tool: MAILERLITE_GET_SUBSCRIBERS
| Parameter | Type | Required | Description | |-----------|------|----------|-------------| | filter[status] | string | No | Filter by: active, unsubscribed, unconfirmed, bounced, junk | | limit | integer | No | Subscribers per page (default: 25) | | cursor | string | No | Pagination cursor from previous response meta.cursor | | include | string | No | Set to groups to include group memberships |
Important: Loop with meta.next_cursor until null to build a complete subscriber list.
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4. List & Analyze Campaigns
Retrieve campaigns with optional status/type filters and page-based pagination.
Tool: MAILERLITE_GET_CAMPAIGNS
| Parameter | Type | Required | Description | |-----------|------|----------|-------------| | filter[status] | string | No | Filter by: sent, draft, ready | | filter[type] | string | No | Filter by: regular, ab, resend, rss | | limit | integer | No | Items per page (default: 25) | | page | integer | No | Page number (default: 1) |
Important: Paginate using meta.last_page to avoid omitting campaigns from historical analysis.
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5. Manage Subscriber Groups
List, filter, and sort subscriber groups for audience organization.
Tool: MAILERLITE_GET_GROUPS
| Parameter | Type | Required | Description | |-----------|------|----------|-------------| | filter[name] | string | No | Partial name match filter | | limit | integer | No | Max groups to return | | page | integer | No | Page number (starting from 1) | | sort | string | No | Sort by: name, total, open_rate, click_rate, created_at (prefix - for descending) |
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6. Retrieve Audience Segments & Custom Fields
Fetch segments and custom field definitions for advanced audience analysis.
Tools: MAILERLITE_GET_SEGMENTS and MAILERLITE_GET_FIELDS
Segments:
| Parameter | Type | Required | Description | |-----------|------|----------|-------------| | limit | integer | No | Max segments to return (max 250) | | page | integer | No | Page number (starting from 1) |
Fields: No parameters required -- returns all custom field definitions.
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Known Pitfalls
| Pitfall | Details | |---------|---------| | Subscriber pagination is cursor-based | MAILERLITE_GET_SUBSCRIBERS uses meta.next_cursor -- you must loop until null or counts will be incomplete | | Campaign pagination is page-based | MAILERLITE_GET_CAMPAIGNS uses page/limit with meta.last_page -- stopping early omits campaigns and distorts trends | | Sampling bias | Computing engagement metrics from only the first page introduces bias; always aggregate across all pages | | Nested response shape | MailerLite payloads are nested under results[i].response.data with data and meta subkeys, not a flat data key -- parse accordingly | | API quotas | Subscriber listing is limited by MailerLite Connect API quotas -- plan batch operations accordingly |
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Quick Reference
| Tool Slug | Purpose | |-----------|---------| | MAILERLITE_GET_ACCOUNT_INFO | Verify auth and review account metadata | | MAILERLITE_GET_ACCOUNT_STATS | Get aggregate performance metrics | | MAILERLITE_GET_SUBSCRIBERS | List subscribers with filtering and pagination | | MAILERLITE_GET_CAMPAIGNS | List campaigns with status/type filters | | MAILERLITE_GET_GROUPS | List and sort subscriber groups | | MAILERLITE_GET_SEGMENTS | List audience segments | | MAILERLITE_GET_FIELDS | Retrieve custom field definitions |
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