Slack MCP Server

import { SlackService } from "../application/services/slack.service.js"; import { GetChannelHistoryUseCase } from "../application/usecases/get-channel-history.usecase.js"; import { ListChannelsUseCase } from "../application/usecases/list-channels.usecase.js"; import { PostMessageUseCase } from "../application/usecases/post-message.usecase.js"; import { SlackClient } from "../infrastructure/clients/slack.client.js"; import { InMemoryStorage } from "../infrastructure/storage/memory.storage.js"; export class Dependencies { public readonly cacheStorage = new InMemoryStorage(30); // 30 minutes cache private _slackClient?: SlackClient; private _slackService?: SlackService; private _listChannelsUseCase?: ListChannelsUseCase; private _postMessageUseCase?: PostMessageUseCase; private _getChannelHistoryUseCase?: GetChannelHistoryUseCase; private _isInitialized = false; constructor() { // Services will be initialized when token is available } // Initialize services with token from MCP server public async initializeWithToken(token: string): Promise<boolean> { if (!token || token === "xoxb-dummy-token-for-development") { return false; } try { // Initialize services this._slackClient = new SlackClient(token); this._slackService = new SlackService( this._slackClient, this.cacheStorage ); this._listChannelsUseCase = new ListChannelsUseCase(this._slackService); this._postMessageUseCase = new PostMessageUseCase(this._slackService); this._getChannelHistoryUseCase = new GetChannelHistoryUseCase( this._slackService ); this._isInitialized = true; return true; } catch (error) { return false; } } // Getters with initialization check public get slackClient(): SlackClient { if (!this._slackClient || !this._isInitialized) { throw new Error( "Slack services not initialized. Please provide a valid token." ); } return this._slackClient; } public get slackService(): SlackService { if (!this._slackService || !this._isInitialized) { throw new Error( "Slack services not initialized. Please provide a valid token." ); } return this._slackService; } public get listChannelsUseCase(): ListChannelsUseCase { if (!this._listChannelsUseCase || !this._isInitialized) { throw new Error( "Slack services not initialized. Please provide a valid token." ); } return this._listChannelsUseCase; } public get postMessageUseCase(): PostMessageUseCase { if (!this._postMessageUseCase || !this._isInitialized) { throw new Error( "Slack services not initialized. Please provide a valid token." ); } return this._postMessageUseCase; } public get getChannelHistoryUseCase(): GetChannelHistoryUseCase { if (!this._getChannelHistoryUseCase || !this._isInitialized) { throw new Error( "Slack services not initialized. Please provide a valid token." ); } return this._getChannelHistoryUseCase; } public get isInitialized(): boolean { return this._isInitialized; } }