@coretext-ai/public-gsuite-mcp-d495ced0-92b0-4d0e-ad89-f27c9e31f4f9
Version:
MCP server with full GSuite integrations
226 lines • 11.2 kB
JavaScript
import { Server } from '@modelcontextprotocol/sdk/server/index.js';
import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js';
import { CallToolRequestSchema, ErrorCode, ListToolsRequestSchema, McpError, } from '@modelcontextprotocol/sdk/types.js';
import { config } from 'dotenv';
import { loadConfig, validateConfig } from './config.js';
import { LogShipper } from './services/log-shipper.js';
import { Logger } from './services/logger.js';
// Load environment variables
config();
// Import tools from each template
import { GoogleCalendarTools } from './tools/google-calendar-tools.js';
import { GoogleCalendarClient } from './clients/google-calendar-client.js';
import { GoogleContactsTools } from './tools/google-contacts-tools.js';
import { GoogleContactsClient } from './clients/google-contacts-client.js';
import { GoogleDriveTools } from './tools/google-drive-tools.js';
import { GoogleDriveClient } from './clients/google-drive-client.js';
import { GoogleGmailTools } from './tools/google-gmail-tools.js';
import { GoogleGmailClient } from './clients/google-gmail-client.js';
// Import unified OAuth clients for special cases
import { GoogleOAuthClient } from './oauth/google-oauth-client.js';
class PublicGsuiteMcpServer {
constructor() {
// Initialize logging first
this.initializeLogging();
this.server = new Server({
name: 'public-gsuite-mcp',
version: '1.0.0',
}, {
capabilities: {
tools: {},
},
});
// Initialize OAuth clients first
this.googleOAuthClient = new GoogleOAuthClient();
// Initialize template clients and tools
// Google service - use unified GoogleOAuthClient
this.googleCalendarClient = new GoogleCalendarClient({
authToken: process.env.GOOGLE_OAUTH_CREDENTIALS,
gOOGLEOAUTHCREDENTIALS: process.env.GOOGLE_OAUTH_CREDENTIALS,
oauth: {
"provider": "google",
"scopes": [
"https://www.googleapis.com/auth/calendar",
"https://www.googleapis.com/auth/calendar.readonly",
"https://www.googleapis.com/auth/calendar.events",
"https://www.googleapis.com/auth/calendar.events.readonly",
"https://www.googleapis.com/auth/calendar.acls",
"https://www.googleapis.com/auth/calendar.acls.readonly",
"https://www.googleapis.com/auth/calendar.app.created",
"https://www.googleapis.com/auth/calendar.calendarlist",
"https://www.googleapis.com/auth/calendar.calendarlist.readonly",
"https://www.googleapis.com/auth/calendar.calendars",
"https://www.googleapis.com/auth/calendar.calendars.readonly",
"https://www.googleapis.com/auth/calendar.events.freebusy",
"https://www.googleapis.com/auth/calendar.events.owned",
"https://www.googleapis.com/auth/calendar.events.owned.readonly",
"https://www.googleapis.com/auth/calendar.events.public.readonly",
"https://www.googleapis.com/auth/calendar.settings.readonly"
],
"credentialFileEnv": "GOOGLE_OAUTH_CREDENTIALS",
"redirectUri": "http://localhost:3000/oauth/callback/google",
"tokenStoragePath": "~/.mcp/google-tokens/"
},
logger: this.logger,
oauthClient: this.googleOAuthClient
});
this.googleCalendarTools = new GoogleCalendarTools(this.googleCalendarClient);
// Google service - use unified GoogleOAuthClient
this.googleContactsClient = new GoogleContactsClient({
authToken: process.env.GOOGLE_OAUTH_CREDENTIALS,
gOOGLEOAUTHCREDENTIALS: process.env.GOOGLE_OAUTH_CREDENTIALS,
oauth: {
"provider": "google",
"scopes": [
"https://www.googleapis.com/auth/contacts",
"https://www.googleapis.com/auth/contacts.readonly",
"https://www.googleapis.com/auth/contacts.other.readonly",
"https://www.googleapis.com/auth/directory.readonly",
"https://www.googleapis.com/auth/user.addresses.read",
"https://www.googleapis.com/auth/user.emails.read",
"https://www.googleapis.com/auth/user.phonenumbers.read",
"https://www.googleapis.com/auth/userinfo.profile"
],
"credentialFileEnv": "GOOGLE_OAUTH_CREDENTIALS",
"redirectUri": "http://localhost:3000/oauth/callback/google",
"tokenStoragePath": "~/.mcp/google-tokens/"
},
logger: this.logger,
oauthClient: this.googleOAuthClient
});
this.googleContactsTools = new GoogleContactsTools(this.googleContactsClient);
// Google service - use unified GoogleOAuthClient
this.googleDriveClient = new GoogleDriveClient({
authToken: process.env.GOOGLE_OAUTH_CREDENTIALS,
gOOGLEOAUTHCREDENTIALS: process.env.GOOGLE_OAUTH_CREDENTIALS,
oauth: {
"provider": "google",
"scopes": [
"https://www.googleapis.com/auth/drive",
"https://www.googleapis.com/auth/drive.file",
"https://www.googleapis.com/auth/drive.readonly",
"https://www.googleapis.com/auth/drive.metadata.readonly"
],
"credentialFileEnv": "GOOGLE_OAUTH_CREDENTIALS",
"redirectUri": "http://localhost:3000/oauth/callback/google",
"tokenStoragePath": "~/.mcp/google-tokens/"
},
logger: this.logger,
oauthClient: this.googleOAuthClient
});
this.googleDriveTools = new GoogleDriveTools(this.googleDriveClient);
// Google service - use unified GoogleOAuthClient
this.googleGmailClient = new GoogleGmailClient({
authToken: process.env.GOOGLE_OAUTH_CREDENTIALS,
gOOGLEOAUTHCREDENTIALS: process.env.GOOGLE_OAUTH_CREDENTIALS,
oauth: {
"provider": "google",
"scopes": [
"https://mail.google.com/",
"https://www.googleapis.com/auth/gmail.readonly",
"https://www.googleapis.com/auth/gmail.modify",
"https://www.googleapis.com/auth/gmail.labels",
"https://www.googleapis.com/auth/gmail.compose",
"https://www.googleapis.com/auth/gmail.send",
"https://www.googleapis.com/auth/gmail.settings.basic"
],
"credentialFileEnv": "GOOGLE_OAUTH_CREDENTIALS",
"redirectUri": "http://localhost:3000/oauth/callback/google",
"tokenStoragePath": "~/.mcp/google-tokens/"
},
logger: this.logger,
oauthClient: this.googleOAuthClient
});
this.googleGmailTools = new GoogleGmailTools(this.googleGmailClient);
this.setupHandlers();
}
initializeLogging() {
const config = loadConfig();
const validation = validateConfig(config);
if (!validation.isValid) {
console.error('Configuration validation failed:', validation.errors);
process.exit(1);
}
this.logShipper = new LogShipper(config.logShipping);
this.logger = new Logger({
logLevel: config.logShipping.logLevel,
component: 'server',
enableConsole: true,
enableShipping: config.logShipping.enabled,
serverName: 'public-gsuite-mcp',
logShipper: this.logShipper
});
this.logger.info('SERVER_INIT', 'MCP server initializing', {
serverName: 'public-gsuite-mcp',
logShippingEnabled: config.logShipping.enabled,
logLevel: config.logShipping.logLevel
});
}
setupHandlers() {
this.server.setRequestHandler(ListToolsRequestSchema, async () => {
const tools = [];
// Add google-calendar tools
tools.push(...this.googleCalendarTools.getToolDefinitions());
// Add google-contacts tools
tools.push(...this.googleContactsTools.getToolDefinitions());
// Add google-drive tools
tools.push(...this.googleDriveTools.getToolDefinitions());
// Add google-gmail tools
tools.push(...this.googleGmailTools.getToolDefinitions());
return { tools };
});
this.server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
// Handle google-calendar tools
if (this.googleCalendarTools.canHandle(name)) {
return await this.googleCalendarTools.executeTool(name, args);
}
// Handle google-contacts tools
if (this.googleContactsTools.canHandle(name)) {
return await this.googleContactsTools.executeTool(name, args);
}
// Handle google-drive tools
if (this.googleDriveTools.canHandle(name)) {
return await this.googleDriveTools.executeTool(name, args);
}
// Handle google-gmail tools
if (this.googleGmailTools.canHandle(name)) {
return await this.googleGmailTools.executeTool(name, args);
}
throw new McpError(ErrorCode.MethodNotFound, `Unknown tool: ${name}`);
}
catch (error) {
if (error instanceof McpError) {
throw error;
}
throw new McpError(ErrorCode.InternalError, `Tool execution failed: ${error instanceof Error ? error.message : String(error)}`);
}
});
}
async run() {
const transport = new StdioServerTransport();
await this.server.connect(transport);
this.logger.info('SERVER_START', 'MCP server started successfully', {
serverName: 'public-gsuite-mcp',
transport: 'stdio'
});
console.error('public-gsuite-mcp MCP server running on stdio');
// Handle graceful shutdown for log shipping
const shutdown = async () => {
this.logger.info('SERVER_SHUTDOWN', 'MCP server shutting down', {
serverName: 'public-gsuite-mcp'
});
if (this.logShipper) {
await this.logShipper.shutdown();
}
process.exit(0);
};
process.on('SIGINT', shutdown);
process.on('SIGTERM', shutdown);
}
}
const server = new PublicGsuiteMcpServer();
server.run().catch(console.error);
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