394 lines
14 KiB
JavaScript

#!/usr/bin/env node
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
// ============================================
// CONFIGURATION
// ============================================
const MCP_NAME = "brevo";
const MCP_VERSION = "1.0.0";
const API_BASE_URL = "https://api.brevo.com/v3";
// ============================================
// API CLIENT - Brevo uses api-key header
// ============================================
class BrevoClient {
private apiKey: string;
private baseUrl: string;
constructor(apiKey: string) {
this.apiKey = apiKey;
this.baseUrl = API_BASE_URL;
}
async request(endpoint: string, options: RequestInit = {}) {
const url = `${this.baseUrl}${endpoint}`;
const response = await fetch(url, {
...options,
headers: {
"api-key": this.apiKey,
"Content-Type": "application/json",
"Accept": "application/json",
...options.headers,
},
});
if (!response.ok) {
const text = await response.text();
throw new Error(`Brevo API error: ${response.status} ${response.statusText} - ${text}`);
}
// Some endpoints return 204 No Content
if (response.status === 204) {
return { success: true };
}
return response.json();
}
async get(endpoint: string) {
return this.request(endpoint, { method: "GET" });
}
async post(endpoint: string, data: any) {
return this.request(endpoint, {
method: "POST",
body: JSON.stringify(data),
});
}
async put(endpoint: string, data: any) {
return this.request(endpoint, {
method: "PUT",
body: JSON.stringify(data),
});
}
async delete(endpoint: string) {
return this.request(endpoint, { method: "DELETE" });
}
}
// ============================================
// TOOL DEFINITIONS
// ============================================
const tools = [
{
name: "send_email",
description: "Send a transactional email",
inputSchema: {
type: "object" as const,
properties: {
to: {
type: "array",
description: "Array of recipient objects with email and optional name",
items: {
type: "object",
properties: {
email: { type: "string" },
name: { type: "string" }
},
required: ["email"]
}
},
sender: {
type: "object",
description: "Sender object with email and optional name",
properties: {
email: { type: "string" },
name: { type: "string" }
},
required: ["email"]
},
subject: { type: "string", description: "Email subject" },
htmlContent: { type: "string", description: "HTML content of the email" },
textContent: { type: "string", description: "Plain text content" },
templateId: { type: "number", description: "Template ID to use instead of content" },
params: { type: "object", description: "Template parameters" },
replyTo: { type: "object", description: "Reply-to address" },
attachment: { type: "array", description: "Array of attachment objects" },
tags: { type: "array", items: { type: "string" }, description: "Tags for the email" },
},
required: ["to", "sender"],
},
},
{
name: "list_contacts",
description: "List contacts with optional filters",
inputSchema: {
type: "object" as const,
properties: {
limit: { type: "number", description: "Number of contacts to return (default 50, max 1000)" },
offset: { type: "number", description: "Pagination offset" },
modifiedSince: { type: "string", description: "Filter by modification date (YYYY-MM-DD)" },
sort: { type: "string", description: "Sort order (asc or desc)" },
},
},
},
{
name: "add_contact",
description: "Create a new contact",
inputSchema: {
type: "object" as const,
properties: {
email: { type: "string", description: "Contact email address" },
attributes: { type: "object", description: "Contact attributes (FIRSTNAME, LASTNAME, SMS, etc.)" },
listIds: { type: "array", items: { type: "number" }, description: "List IDs to add contact to" },
updateEnabled: { type: "boolean", description: "Update contact if already exists" },
smtpBlacklistSender: { type: "array", items: { type: "string" }, description: "Blacklisted senders" },
},
required: ["email"],
},
},
{
name: "update_contact",
description: "Update an existing contact",
inputSchema: {
type: "object" as const,
properties: {
identifier: { type: "string", description: "Email or contact ID" },
attributes: { type: "object", description: "Contact attributes to update" },
listIds: { type: "array", items: { type: "number" }, description: "List IDs to add contact to" },
unlinkListIds: { type: "array", items: { type: "number" }, description: "List IDs to remove contact from" },
emailBlacklisted: { type: "boolean", description: "Blacklist the contact email" },
smsBlacklisted: { type: "boolean", description: "Blacklist the contact SMS" },
},
required: ["identifier"],
},
},
{
name: "list_campaigns",
description: "List email campaigns",
inputSchema: {
type: "object" as const,
properties: {
type: { type: "string", description: "Campaign type (classic, trigger)" },
status: { type: "string", description: "Campaign status (suspended, archive, sent, queued, draft, inProcess)" },
limit: { type: "number", description: "Number of results (default 50, max 1000)" },
offset: { type: "number", description: "Pagination offset" },
sort: { type: "string", description: "Sort order (asc or desc)" },
},
},
},
{
name: "create_campaign",
description: "Create a new email campaign",
inputSchema: {
type: "object" as const,
properties: {
name: { type: "string", description: "Campaign name" },
subject: { type: "string", description: "Email subject" },
sender: {
type: "object",
description: "Sender object with email and name",
properties: {
email: { type: "string" },
name: { type: "string" }
},
required: ["email", "name"]
},
htmlContent: { type: "string", description: "HTML content" },
templateId: { type: "number", description: "Template ID to use" },
recipients: {
type: "object",
description: "Recipients configuration",
properties: {
listIds: { type: "array", items: { type: "number" } },
exclusionListIds: { type: "array", items: { type: "number" } }
}
},
scheduledAt: { type: "string", description: "Schedule time (ISO 8601)" },
replyTo: { type: "string", description: "Reply-to email address" },
toField: { type: "string", description: "Personalization field for To header" },
tag: { type: "string", description: "Campaign tag" },
},
required: ["name", "subject", "sender"],
},
},
{
name: "send_sms",
description: "Send a transactional SMS",
inputSchema: {
type: "object" as const,
properties: {
sender: { type: "string", description: "Sender name (max 11 chars) or phone number" },
recipient: { type: "string", description: "Recipient phone number with country code" },
content: { type: "string", description: "SMS message content (max 160 chars for single SMS)" },
type: { type: "string", description: "SMS type: transactional or marketing" },
tag: { type: "string", description: "Tag for the SMS" },
webUrl: { type: "string", description: "Webhook URL for delivery report" },
},
required: ["sender", "recipient", "content"],
},
},
{
name: "list_templates",
description: "List email templates",
inputSchema: {
type: "object" as const,
properties: {
templateStatus: { type: "boolean", description: "Filter by active status" },
limit: { type: "number", description: "Number of results (default 50, max 1000)" },
offset: { type: "number", description: "Pagination offset" },
sort: { type: "string", description: "Sort order (asc or desc)" },
},
},
},
];
// ============================================
// TOOL HANDLERS
// ============================================
async function handleTool(client: BrevoClient, name: string, args: any) {
switch (name) {
case "send_email": {
const payload: any = {
to: args.to,
sender: args.sender,
};
if (args.subject) payload.subject = args.subject;
if (args.htmlContent) payload.htmlContent = args.htmlContent;
if (args.textContent) payload.textContent = args.textContent;
if (args.templateId) payload.templateId = args.templateId;
if (args.params) payload.params = args.params;
if (args.replyTo) payload.replyTo = args.replyTo;
if (args.attachment) payload.attachment = args.attachment;
if (args.tags) payload.tags = args.tags;
return await client.post("/smtp/email", payload);
}
case "list_contacts": {
const params = new URLSearchParams();
if (args.limit) params.append("limit", String(args.limit));
if (args.offset) params.append("offset", String(args.offset));
if (args.modifiedSince) params.append("modifiedSince", args.modifiedSince);
if (args.sort) params.append("sort", args.sort);
const query = params.toString();
return await client.get(`/contacts${query ? `?${query}` : ""}`);
}
case "add_contact": {
const payload: any = {
email: args.email,
};
if (args.attributes) payload.attributes = args.attributes;
if (args.listIds) payload.listIds = args.listIds;
if (args.updateEnabled !== undefined) payload.updateEnabled = args.updateEnabled;
if (args.smtpBlacklistSender) payload.smtpBlacklistSender = args.smtpBlacklistSender;
return await client.post("/contacts", payload);
}
case "update_contact": {
const payload: any = {};
if (args.attributes) payload.attributes = args.attributes;
if (args.listIds) payload.listIds = args.listIds;
if (args.unlinkListIds) payload.unlinkListIds = args.unlinkListIds;
if (args.emailBlacklisted !== undefined) payload.emailBlacklisted = args.emailBlacklisted;
if (args.smsBlacklisted !== undefined) payload.smsBlacklisted = args.smsBlacklisted;
return await client.put(`/contacts/${encodeURIComponent(args.identifier)}`, payload);
}
case "list_campaigns": {
const params = new URLSearchParams();
if (args.type) params.append("type", args.type);
if (args.status) params.append("status", args.status);
if (args.limit) params.append("limit", String(args.limit));
if (args.offset) params.append("offset", String(args.offset));
if (args.sort) params.append("sort", args.sort);
const query = params.toString();
return await client.get(`/emailCampaigns${query ? `?${query}` : ""}`);
}
case "create_campaign": {
const payload: any = {
name: args.name,
subject: args.subject,
sender: args.sender,
};
if (args.htmlContent) payload.htmlContent = args.htmlContent;
if (args.templateId) payload.templateId = args.templateId;
if (args.recipients) payload.recipients = args.recipients;
if (args.scheduledAt) payload.scheduledAt = args.scheduledAt;
if (args.replyTo) payload.replyTo = args.replyTo;
if (args.toField) payload.toField = args.toField;
if (args.tag) payload.tag = args.tag;
return await client.post("/emailCampaigns", payload);
}
case "send_sms": {
const payload: any = {
sender: args.sender,
recipient: args.recipient,
content: args.content,
};
if (args.type) payload.type = args.type;
if (args.tag) payload.tag = args.tag;
if (args.webUrl) payload.webUrl = args.webUrl;
return await client.post("/transactionalSMS/sms", payload);
}
case "list_templates": {
const params = new URLSearchParams();
if (args.templateStatus !== undefined) params.append("templateStatus", String(args.templateStatus));
if (args.limit) params.append("limit", String(args.limit));
if (args.offset) params.append("offset", String(args.offset));
if (args.sort) params.append("sort", args.sort);
const query = params.toString();
return await client.get(`/smtp/templates${query ? `?${query}` : ""}`);
}
default:
throw new Error(`Unknown tool: ${name}`);
}
}
// ============================================
// SERVER SETUP
// ============================================
async function main() {
const apiKey = process.env.BREVO_API_KEY;
if (!apiKey) {
console.error("Error: BREVO_API_KEY environment variable required");
process.exit(1);
}
const client = new BrevoClient(apiKey);
const server = new Server(
{ name: `${MCP_NAME}-mcp`, version: MCP_VERSION },
{ capabilities: { tools: {} } }
);
server.setRequestHandler(ListToolsRequestSchema, async () => ({
tools,
}));
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
const result = await handleTool(client, name, args || {});
return {
content: [{ type: "text", text: JSON.stringify(result, null, 2) }],
};
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
return {
content: [{ type: "text", text: `Error: ${message}` }],
isError: true,
};
}
});
const transport = new StdioServerTransport();
await server.connect(transport);
console.error(`${MCP_NAME} MCP server running on stdio`);
}
main().catch(console.error);