This server provides comprehensive control over Campaign Monitor through 113 tools covering the full Campaign Monitor REST API, including:
Campaigns: List, create, send, schedule, preview, and delete campaigns; retrieve detailed stats (opens, clicks, bounces, unsubscribes, spam complaints, email client usage).
Subscribers: Add, update, import in bulk, unsubscribe, delete, and view individual subscriber details and campaign history.
Lists: Create, update, and delete subscriber lists; manage custom fields, webhooks, and segments; query active, unsubscribed, unconfirmed, and deleted subscribers; get list statistics.
Journeys (Automations): List journeys, view per-email stats (recipients, opens, clicks, bounces, unsubscribes), publish trigger events, and copy journeys to other clients.
Transactional Emails: Send classic and smart transactional emails, list smart email templates, monitor stats and message timelines, and resend individual messages.
Clients: Create, manage, and delete clients; handle suppression lists, sending domains, billing configuration (pay-as-you-go or monthly), credit transfers, and client users.
Account: Manage administrators and primary contacts, retrieve billing details, get valid countries/timezones, get system date/time, and create external login sessions for iframe embedding.
Provides tools to manage Campaign Monitor email campaigns, subscriber lists, journeys, segments, transactional email, clients, and account settings.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Campaign Monitor MCP Create a new email campaign for the 'VIP Customers' list"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
A Model Context Protocol (MCP) server that wraps the full Campaign Monitor REST API v3.3, giving Claude the ability to manage email campaigns, subscriber lists, journeys, segments, transactional email, and more via natural language.
Open Terminal and run:
curl -fsSL https://raw.githubusercontent.com/pauliowest/cmon-mcp/main/install.sh | bashThe script will:
Check you have Node.js 18+ and Git (and tell you how to install them if not)
Download this repo to ~/claude-tools/cmon-mcp
Build the server
Ask for your Campaign Monitor API key
Add the server to Claude Desktop automatically
Then quit and relaunch Claude Desktop — Campaign Monitor will appear as a connected integration.
API key: find yours in Campaign Monitor under Account Settings → API Keys.
Agency accounts: leave the Client ID blank — the server discovers all your clients automatically at startup.
Related MCP server: Mailchimp MCP Server
113 tools covering the complete Campaign Monitor API:
📧 Campaigns — create, send, schedule, preview, and pull stats (opens, clicks, bounces, spam)
👥 Subscribers — add, update, import in bulk, unsubscribe, delete, view history
📋 Lists — full CRUD, custom fields, webhooks, subscriber state queries
🔀 Segments — create and manage rule-based segments, query matching subscribers
🤖 Journeys — list automations, view per-email stats, publish trigger events
📄 Templates — create, update, copy templates across clients
⚡ Transactional — send classic and smart emails, view message timeline and stats
🏢 Clients — manage clients, people, suppression lists, sending domains, billing
⚙️ Account — admins, billing details, primary contact, timezones
Node.js 18+
If you prefer to set things up yourself:
Clone this repo and install dependencies:
git clone https://github.com/pauliowest/cmon-mcp.git
cd cmon-mcp
npm install
npm run buildAdd to your claude_desktop_config.json (found at ~/Library/Application Support/Claude/claude_desktop_config.json on macOS):
{
"mcpServers": {
"Campaign Monitor": {
"command": "node",
"args": ["/path/to/cmon-mcp/dist/index.js"],
"env": {
"CM_API_KEY": "your_api_key_here",
"CM_CLIENT_ID": ""
}
}
}
}Restart Claude Desktop.
Variable | Required | Description |
| ✅ | Your Campaign Monitor API key |
| Optional | Default client ID — tools fall back to this when no client is specified explicitly |
npm run build # compile TypeScript → dist/
npm run dev # watch mode
npm run inspector # open MCP Inspector UI for manual tool testingsrc/
index.ts # Entry point — wires up MCP server + stdio transport
client.ts # CampaignMonitorClient — all HTTP + Basic Auth
tools/
account.ts # 11 tools — billing, admins, timezones
campaigns.ts # 17 tools — CRUD, send, stats
clients.ts # 19 tools — client management, people, domains
journeys.ts # 8 tools — automations + stats
lists.ts # 20 tools — CRUD, custom fields, webhooks
segments.ts # 7 tools — rule-based segments
subscribers.ts # 7 tools — add, import, manage
templates.ts # 5 tools — template management
transactional.ts # 9 tools — classic + smart emailMIT
Activate a webhook for a subscriber list
Inputs: list_id (required), webhook_id (required).
Add a new administrator to the account
Inputs: email (required), name (required).
Add a person to a client with a specified access level
Inputs: email (required), name (required), access_level (required), password (required), +1 more.
Add a rule group to an existing segment
Inputs: segment_id (required), rule_group (required).
Add a sending domain for a client
Inputs: domain (required), client_id.
Add a subscriber to a list
Inputs: list_id (required), email_address (required), consent_to_track (required), name, +2 more.
Add email addresses to a client's suppression list
Inputs: emails (required), client_id.
Verify DNS records and authenticate a sending domain for a client
Inputs: domain (required), client_id.
Remove all rules from a segment
Inputs: segment_id (required).
Copy a journey to a specified client
Inputs: journey_id (required), client_id (required).
Copy a verified sending domain to another client
Inputs: domain (required), destination_client_id (required), client_id.
Copy a template to another client
Inputs: template_id (required), client_id.
Create a new draft campaign in Campaign Monitor
Inputs: name (required), subject (required), from_name (required), from_email (required), +6 more.
Create a new campaign from a Campaign Monitor template
Inputs: name (required), subject (required), from_name (required), from_email (required), +5 more.
Create a new Campaign Monitor client
Inputs: company_name (required), country (required), timezone (required).
Create a new custom field for a subscriber list
Inputs: list_id (required), field_name (required), data_type (required), visible_in_preference_center.
Initiate a new login session for embedding Campaign Monitor in an iframe
Inputs: email (required), chrome (required), url (required), integrator_id (required), +1 more.
Create a new subscriber list
Inputs: title (required), unsubscribe_page, confirmed_opt_in_page, confirmation_success_page, +1 more.
Create a new segment for a subscriber list
Inputs: list_id (required), title (required), rule_groups.
Create a new email template for a client
Inputs: name (required), client_id, html_page_url, zip_file_url.
Create a webhook for a subscriber list
Inputs: list_id (required), url (required), events (required), payload_format (required).
Deactivate a webhook for a subscriber list
Inputs: list_id (required), webhook_id (required).
Remove an administrator from the account
Inputs: email (required).
Delete a draft campaign
Inputs: campaign_id (required).
Delete a Campaign Monitor client
Inputs: client_id.
Remove a person's access to a client
Inputs: email (required), client_id.
Delete a custom field from a subscriber list
Inputs: list_id (required), field_key (required).
Delete a subscriber list
Inputs: list_id (required).
Delete a segment
Inputs: segment_id (required).
Delete a sending domain from a client
Inputs: domain (required), client_id.
Permanently delete a subscriber from a list
Inputs: list_id (required), email (required).
Delete an email template
Inputs: template_id (required).
Delete a webhook from a subscriber list
Inputs: list_id (required), webhook_id (required).
Get a paginated list of active subscribers for a list
Inputs: list_id (required), date, page, page_size.
Get details for a specific administrator by email
Inputs: email (required).
List all administrators for the account
Inputs: no named parameters.
Get account billing info and credits
Inputs: no named parameters.
Get a paginated list of subscribers who bounced for a campaign
Inputs: campaign_id (required), page, page_size.
Get a paginated list of subscribers who clicked links in a campaign
Inputs: campaign_id (required), page, page_size.
Get email client usage stats for a campaign
Inputs: campaign_id (required).
Get which lists and segments a campaign was sent to
Inputs: campaign_id (required).
Get a paginated list of subscribers who opened a campaign
Inputs: campaign_id (required), page, page_size.
Get a paginated list of recipients for a campaign
Inputs: campaign_id (required), page, page_size.
Get spam complaints for a campaign
Inputs: campaign_id (required), page, page_size.
Get statistics summary for a campaign
Inputs: campaign_id (required).
Get a paginated list of subscribers who unsubscribed via a campaign
Inputs: campaign_id (required), page, page_size.
List all classic email groups for a client
Inputs: client_id.
Get detailed information about a specific Campaign Monitor client
Inputs: client_id (required).
List all people with access to a client
Inputs: client_id.
Get the primary contact for a client
Inputs: client_id.
List all clients accessible with the current API key
Inputs: no named parameters.
Get all campaign tags for a client
Inputs: client_id.
List all valid countries for Campaign Monitor
Inputs: no named parameters.
Get all custom fields for a subscriber list
Inputs: list_id (required).
Get a paginated list of deleted subscribers for a list
Inputs: list_id (required), page, page_size.
Get a paginated list of bounces for a journey email
Inputs: email_id (required), page, page_size.
Get a paginated list of clicks for a journey email
Inputs: email_id (required), page, page_size.
Get a paginated list of opens for a journey email
Inputs: email_id (required), page, page_size.
Get a paginated list of recipients for a journey email
Inputs: email_id (required), page, page_size.
Get a paginated list of unsubscribes for a journey email
Inputs: email_id (required), page, page_size.
List all journeys for the Campaign Monitor client
Inputs: client_id.
Get full stats summary for a journey
Inputs: journey_id (required).
Get details of a subscriber list
Inputs: list_id (required).
List all subscriber lists for the Campaign Monitor client
Inputs: client_id.
Get all lists a particular email address is subscribed to for a client
Inputs: email (required), client_id.
Get statistics for a subscriber list
Inputs: list_id (required).
Get the primary contact email for the account
Inputs: no named parameters.
Get details for a segment including its rules
Inputs: segment_id (required).
Get all segments for a subscriber list
Inputs: list_id (required).
Get active subscribers matching a segment's rules
Inputs: segment_id (required), page, page_size.
Get all sending domains for a client
Inputs: client_id.
Get full configuration and details for a smart email template
Inputs: smart_email_id (required).
Get details for a subscriber in a list
Inputs: list_id (required), email (required).
Get the campaign history for a subscriber in a list
Inputs: list_id (required), email (required).
Get the suppression list for a client
Inputs: client_id, page, page_size.
Get the current date/time in the account timezone
Inputs: no named parameters.
Get details for an email template
Inputs: template_id (required).
List all valid timezones for Campaign Monitor
Inputs: no named parameters.
Get details for a single transactional message
Inputs: message_id (required).
Get transactional email statistics
Inputs: from, to, timezone, group, +1 more.
Get a timeline of transactional messages
Inputs: status, count, client_id.
Get a paginated list of unconfirmed subscribers for a list
Inputs: list_id (required), page, page_size.
Get a paginated list of unsubscribed subscribers for a list
Inputs: list_id (required), date, page, page_size.
Bulk import subscribers into a list
Inputs: list_id (required), subscribers (required), resubscribe, queue_subscription_based_auto_responders.
List all sent campaigns for the Campaign Monitor client
Inputs: client_id.
List all draft campaigns for the Campaign Monitor client
Inputs: client_id.
List all scheduled campaigns for the Campaign Monitor client
Inputs: client_id.
List all available smart email templates for the client
Inputs: client_id.
List all email templates for a client
Inputs: client_id.
Publish an event to trigger a subscriber activity journey
Inputs: event_data (required), client_id.
Remove an email address from a client's suppression list
Inputs: email (required), client_id.
Resend a previously sent transactional message
Inputs: message_id (required).
Send or schedule a campaign for delivery
Inputs: campaign_id (required), confirmation_email (required), send_date.
Send a preview of a campaign to one or more email addresses
Inputs: campaign_id (required), preview_recipients (required), personalize.
Send a one-off transactional email via Campaign Monitor
Inputs: to (required), from (required), subject (required), consent_to_track (required), +5 more.
Send a transactional email using a Campaign Monitor smart email template
Inputs: smart_email_id (required), to (required), consent_to_track (required), cc, +2 more.
Configure monthly billing for a client
Inputs: currency (required), client_pays (required), markup_percentage (required), monthly_scheme (required), +1 more.
Configure pay-as-you-go billing for a client
Inputs: currency (required), can_purchase_credits (required), client_pays (required), markup_percentage (required), +1 more.
Set the primary contact for a client
Inputs: email (required), client_id.
Set the primary contact for the account
Inputs: email (required).
Send a test payload to a webhook
Inputs: list_id (required), webhook_id (required).
Transfer credits to or from a client
Inputs: credits (required), can_use_my_credits (required), client_id.
Unschedule a scheduled campaign and return it to draft status
Inputs: campaign_id (required).
Unsubscribe a subscriber from a list
Inputs: list_id (required), email (required).
Update an existing administrator's details
Inputs: current_email (required), new_email (required), name (required).
Update a client's basic details including company name, country, and timezone
Inputs: company_name (required), country (required), timezone (required), client_id.
Update a person's details or access level for a client
Inputs: current_email (required), new_email (required), name (required), access_level (required), +1 more.
Update an existing custom field on a subscriber list
Inputs: list_id (required), field_key (required), field_name (required), visible_in_preference_center.
Update the options available for a multi-select or select custom field
Inputs: list_id (required), field_key (required), options (required), keep_existing.
Update settings for a subscriber list
Inputs: list_id (required), title (required), unsubscribe_page, confirmed_opt_in_page, +1 more.
Update an existing segment's title and/or rules
Inputs: segment_id (required), title (required), rule_groups.
Update a subscriber's details in a list
Inputs: list_id (required), email (required), new_email, name, +2 more.
Update an existing email template
Inputs: template_id (required), name (required), html_page_url, zip_file_url.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Scored across 113 tools
Each tool targets a distinct resource and action, with clear descriptions that differentiate them. For example, bounce, click, open, and unsubscribe stats are separated per campaign or journey, avoiding ambiguity.
Most tools use verb_noun pattern, but verbs are inconsistent: 'get' vs 'list' for similar operations (e.g., 'get_lists' vs 'list_campaigns'), and 'add' vs 'create' (e.g., 'add_subscriber' vs 'create_campaign'). This reduces predictability.
With 113 tools, the count far exceeds the typical well-scoped range (3-15). Even for a full API, this is overwhelming and likely to cause confusion or tool selection errors.
The tool set covers all major Campaign Monitor features: clients, lists, subscribers, campaigns, journeys, templates, webhooks, sending domains, admins, billing, transactional email, and more. No obvious gaps in lifecycle or reporting.
Campaign Monitor MCP server for ChatGPT, Claude and any AI agent: get campaign report, list who did not open, create segment from campaign, create campaign draft, schedule campaign, add subscriber and turn journey on or off in your own Campaign Monitor account. Cotlet works in the account through your Cloud Browser, a real Chrome where you sign in to Campaign Monitor yourself; Cotlet does not store your password and you need no Campaign Monitor API key. About the official Campaign Monitor API: Campaign Monitor has a full public REST API, v3.3, for lists, subscribers, segments, campaigns, reports and transactional email, and no official MCP server (checked 22 Oct 2026). Any account holder can get an API key in account settings or register an OAuth app. Setup and FAQ: https://cotlet.dev/integrations/campaign-monitor-api-mcp-server
AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.
AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.
Read lists, contacts, campaign stats; add contacts; draft, schedule and send campaigns and SMS.
