GetMailer MCP Server

Instructions

Implementation Reference

• src/index.ts:449-460 (handler)

  Handler function for 'add_to_suppression' tool. It makes a POST request to '/api/suppression' endpoint with the emails and reason (default 'MANUAL'), and returns the API response as text.
  case 'add_to_suppression': { const result = await apiRequest('/api/suppression', { method: 'POST', body: JSON.stringify({ emails: args?.emails, reason: args?.reason || 'MANUAL', }), }); return { content: [{ type: 'text' as const, text: JSON.stringify(result, null, 2) }], }; }
• src/index.ts:252-270 (schema)

  Tool schema definition including name, description, and inputSchema with required 'emails' array and optional 'reason' enum.
  name: 'add_to_suppression', description: 'Add email addresses to the suppression list', inputSchema: { type: 'object' as const, properties: { emails: { type: 'array', items: { type: 'string' }, description: 'Email addresses to suppress', }, reason: { type: 'string', enum: ['MANUAL', 'BOUNCE', 'COMPLAINT'], description: 'Reason for suppression (default: MANUAL)', }, }, required: ['emails'], }, },
• src/index.ts:64-344 (registration)

  Registration of all tools including 'add_to_suppression' via the ListToolsRequestSchema handler, which lists available tools with their schemas.
  server.setRequestHandler(ListToolsRequestSchema, async () => ({ tools: [ { name: 'send_email', description: 'Send a transactional email via GetMailer', inputSchema: { type: 'object' as const, properties: { from: { type: 'string', description: 'Sender email address (must be from a verified domain)', }, to: { type: 'array', items: { type: 'string' }, description: 'Recipient email address(es)', }, subject: { type: 'string', description: 'Email subject line', }, html: { type: 'string', description: 'HTML content of the email', }, text: { type: 'string', description: 'Plain text content of the email', }, cc: { type: 'array', items: { type: 'string' }, description: 'CC recipients (optional)', }, bcc: { type: 'array', items: { type: 'string' }, description: 'BCC recipients (optional)', }, replyTo: { type: 'string', description: 'Reply-to address (optional)', }, templateId: { type: 'string', description: 'Template ID to use instead of html/text (optional)', }, variables: { type: 'object', description: 'Template variables as key-value pairs (optional)', }, }, required: ['from', 'to', 'subject'], }, }, { name: 'list_emails', description: 'List sent emails with status information', inputSchema: { type: 'object' as const, properties: { limit: { type: 'number', description: 'Number of emails to return (default: 20)', }, cursor: { type: 'string', description: 'Pagination cursor for next page', }, }, }, }, { name: 'get_email', description: 'Get details of a specific email including delivery events', inputSchema: { type: 'object' as const, properties: { id: { type: 'string', description: 'Email ID', }, }, required: ['id'], }, }, { name: 'list_templates', description: 'List available email templates', inputSchema: { type: 'object' as const, properties: {}, }, }, { name: 'create_template', description: 'Create a new email template', inputSchema: { type: 'object' as const, properties: { name: { type: 'string', description: 'Template name', }, subject: { type: 'string', description: 'Email subject (can include {{variables}})', }, html: { type: 'string', description: 'HTML content (can include {{variables}})', }, text: { type: 'string', description: 'Plain text content (optional)', }, }, required: ['name', 'subject', 'html'], }, }, { name: 'list_domains', description: 'List verified sending domains', inputSchema: { type: 'object' as const, properties: {}, }, }, { name: 'add_domain', description: 'Add a new sending domain (returns DNS records to configure)', inputSchema: { type: 'object' as const, properties: { domain: { type: 'string', description: 'Domain name to add (e.g., example.com)', }, }, required: ['domain'], }, }, { name: 'verify_domain', description: 'Check if a domain has been verified', inputSchema: { type: 'object' as const, properties: { id: { type: 'string', description: 'Domain ID', }, }, required: ['id'], }, }, { name: 'get_analytics', description: 'Get email analytics and statistics', inputSchema: { type: 'object' as const, properties: { type: { type: 'string', enum: ['summary', 'daily'], description: 'Type of analytics (summary or daily)', }, days: { type: 'number', description: 'Number of days for daily stats (default: 30)', }, }, }, }, { name: 'list_suppression', description: 'List suppressed email addresses (bounced, complained, or manually added)', inputSchema: { type: 'object' as const, properties: { limit: { type: 'number', description: 'Number of entries to return (default: 50)', }, }, }, }, { name: 'add_to_suppression', description: 'Add email addresses to the suppression list', inputSchema: { type: 'object' as const, properties: { emails: { type: 'array', items: { type: 'string' }, description: 'Email addresses to suppress', }, reason: { type: 'string', enum: ['MANUAL', 'BOUNCE', 'COMPLAINT'], description: 'Reason for suppression (default: MANUAL)', }, }, required: ['emails'], }, }, { name: 'create_batch', description: 'Create a batch email job to send to multiple recipients', inputSchema: { type: 'object' as const, properties: { name: { type: 'string', description: 'Batch job name', }, from: { type: 'string', description: 'Sender email address', }, subject: { type: 'string', description: 'Email subject (can include {{variables}})', }, html: { type: 'string', description: 'HTML content (can include {{variables}})', }, text: { type: 'string', description: 'Plain text content (optional)', }, templateId: { type: 'string', description: 'Template ID to use instead of html/text (optional)', }, recipients: { type: 'array', items: { type: 'object', properties: { to: { type: 'string' }, variables: { type: 'object' }, }, required: ['to'], }, description: 'Array of recipients with optional per-recipient variables', }, replyTo: { type: 'string', description: 'Reply-to address (optional)', }, }, required: ['name', 'from', 'recipients'], }, }, { name: 'list_batches', description: 'List batch email jobs', inputSchema: { type: 'object' as const, properties: {}, }, }, { name: 'get_batch', description: 'Get batch job status and progress', inputSchema: { type: 'object' as const, properties: { id: { type: 'string', description: 'Batch ID', }, }, required: ['id'], }, }, ], }));