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MCP transport

documented

MCP protocol endpoint (HTTP transport) to run MCP commands.

POST /mcpMCP Serverno implementation yet0 runs

Input

email*
Subscriber Email
user@example.com
name
Subscriber Name
Jane Doe
group_id
Group ID
123
custom1
Custom Field 1
Preferred language
custom2
Custom Field 2
Custom value
Calls MailerLite as you (your API key is your account); keychains.dev holds the credentials.