feat(MCPService): Implement IPC communication for server management and updates

src/main/ipc.ts

@@ -213,6 +213,10 @@ export function registerIpc(mainWindow: BrowserWindow, app: Electron.App) {
   )
 
   // Register MCP handlers
+  ipcMain.on('mcp:servers-from-renderer', (_event, servers) => {
+    mcpService.setServers(servers)
+  })
+
   ipcMain.handle('mcp:list-servers', async () => {
     return mcpService.listAvailableServices()
   })
@@ -247,6 +251,11 @@ export function registerIpc(mainWindow: BrowserWindow, app: Electron.App) {
     return mcpService.cleanup()
   })
 
+  // Listen for changes in MCP servers and notify renderer
+  mcpService.on('servers-updated', (servers) => {
+    mainWindow?.webContents.send('mcp:servers-updated', servers)
+  })
+
   // Clean up MCP services when app quits
   app.on('before-quit', async () => {
     await mcpService.cleanup()

src/main/services/mcp.ts

@@ -1,12 +1,12 @@
 import { MCPServer, MCPTool } from '@types'
 import log from 'electron-log'
-import Store from 'electron-store'
 import { EventEmitter } from 'events'
 import { v4 as uuidv4 } from 'uuid'
 
-const store = new Store()
+import { windowService } from './WindowService'
 
 export default class MCPService extends EventEmitter {
+  private servers: MCPServer[] = []
   private activeServers: Map<string, any> = new Map()
   private clients: { [key: string]: any } = {}
   private Client: any
@@ -14,15 +14,73 @@ export default class MCPService extends EventEmitter {
   private sseTransport: any
   private initialized = false
   private initPromise: Promise<void> | null = null
+  private serversLoaded = false
+  private serversLoadedPromise: Promise<void> | null = null
+  private serversLoadedResolve: (() => void) | null = null
 
   constructor() {
     super()
-    this.init().catch((err) => {
+
-      log.error('[MCP] Failed to initialize MCP service:', err)
+    // Create a promise that will be resolved when servers are loaded from Redux
+    this.serversLoadedPromise = new Promise((resolve) => {
+      this.serversLoadedResolve = resolve
     })
+
+    // Request servers from Redux on initialization
+    this.requestServers()
   }
-  private getServersFromStore(): MCPServer[] {
+
-    return store.get('mcp.servers', []) as MCPServer[]
+  /**
+   * Request server data from renderer process Redux
+   */
+  public requestServers(): void {
+    const mainWindow = windowService.getMainWindow()
+    if (mainWindow) {
+      log.info('[MCP] Requesting servers from Redux')
+      mainWindow.webContents.send('mcp:request-servers')
+    } else {
+      log.warn('[MCP] Main window not available, cannot request servers')
+    }
+  }
+
+  /**
+   * Set servers received from Redux
+   */
+  public setServers(servers: MCPServer[]): void {
+    log.info(`[MCP] Received ${servers.length} servers from Redux`)
+    this.servers = servers
+    this.serversLoaded = true
+
+    // Resolve the promise to unlock initialization
+    if (this.serversLoadedResolve) {
+      this.serversLoadedResolve()
+      this.serversLoadedResolve = null
+    }
+
+    // Initialize if not already initialized
+    if (!this.initialized) {
+      this.init().catch((err) => {
+        log.error('[MCP] Failed to initialize MCP service:', err)
+      })
+    }
+  }
+
+  /**
+   * Get the current servers
+   */
+  private getServers(): MCPServer[] {
+    return this.servers
+  }
+
+  /**
+   * Wait for servers to be loaded from Redux
+   */
+  private async waitForServers(): Promise<void> {
+    if (!this.serversLoaded && this.serversLoadedPromise) {
+      log.info('[MCP] Waiting for servers data from Redux...')
+      await this.serversLoadedPromise
+      log.info('[MCP] Servers received, continuing initialization')
+    }
   }
 
   public async init() {
@@ -35,6 +93,9 @@ export default class MCPService extends EventEmitter {
     // Create and store the initialization promise
     this.initPromise = (async () => {
       try {
+        // Wait for servers to be loaded from Redux
+        await this.waitForServers()
+
         log.info('[MCP] Starting initialization')
         this.Client = await this.importClient()
         this.stoioTransport = await this.importStdioClientTransport()
@@ -43,7 +104,7 @@ export default class MCPService extends EventEmitter {
         // Mark as initialized before loading servers to prevent recursive initialization
         this.initialized = true
 
-        await this.load(this.getServersFromStore())
+        await this.load(this.getServers())
         log.info('[MCP] Initialization completed successfully')
       } catch (err) {
         this.initialized = false // Reset flag on error
@@ -89,7 +150,7 @@ export default class MCPService extends EventEmitter {
 
   public async listAvailableServices(): Promise<MCPServer[]> {
     await this.ensureInitialized()
-    return this.getServersFromStore()
+    return this.getServers()
   }
 
   private async ensureInitialized() {
@@ -102,13 +163,13 @@ export default class MCPService extends EventEmitter {
   public async addServer(server: MCPServer): Promise<void> {
     await this.ensureInitialized()
     try {
-      const servers = this.getServersFromStore()
+      const servers = this.getServers()
       if (servers.some((s) => s.name === server.name)) {
         throw new Error(`Server with name ${server.name} already exists`)
       }
 
       servers.push(server)
-      store.set('mcp.servers', servers)
+      this.notifyReduxServersChanged(servers)
 
       if (server.isActive) {
         await this.activate(server)
@@ -122,7 +183,7 @@ export default class MCPService extends EventEmitter {
   public async updateServer(server: MCPServer): Promise<void> {
     await this.ensureInitialized()
     try {
-      const servers = this.getServersFromStore()
+      const servers = this.getServers()
       const index = servers.findIndex((s) => s.name === server.name)
 
       if (index === -1) {
@@ -137,7 +198,7 @@ export default class MCPService extends EventEmitter {
       }
 
       servers[index] = server
-      store.set('mcp.servers', servers)
+      this.notifyReduxServersChanged(servers)
     } catch (error) {
       log.error('Failed to update MCP server:', error)
       throw error
@@ -151,9 +212,10 @@ export default class MCPService extends EventEmitter {
         await this.deactivate(serverName)
       }
 
-      const servers = this.getServersFromStore()
+      const servers = this.getServers()
       const filteredServers = servers.filter((s) => s.name !== serverName)
-      store.set('mcp.servers', filteredServers)
+      this.servers = filteredServers
+      this.notifyReduxServersChanged(filteredServers)
     } catch (error) {
       log.error('Failed to delete MCP server:', error)
       throw error
@@ -164,7 +226,7 @@ export default class MCPService extends EventEmitter {
     await this.ensureInitialized()
     try {
       const { name, isActive } = params
-      const servers = this.getServersFromStore()
+      const servers = this.getServers()
       const server = servers.find((s) => s.name === name)
 
       if (!server) {
@@ -172,7 +234,7 @@ export default class MCPService extends EventEmitter {
       }
 
       server.isActive = isActive
-      store.set('mcp.servers', servers)
+      this.notifyReduxServersChanged(servers)
 
       if (isActive) {
         await this.activate(server)
@@ -185,6 +247,16 @@ export default class MCPService extends EventEmitter {
     }
   }
 
+  /**
+   * Notify Redux in the renderer process about server changes
+   */
+  private notifyReduxServersChanged(servers: MCPServer[]): void {
+    const mainWindow = windowService.getMainWindow()
+    if (mainWindow) {
+      mainWindow.webContents.send('mcp:servers-changed', servers)
+    }
+  }
+
   public async activate(server: MCPServer): Promise<void> {
     await this.ensureInitialized()
     try {

src/renderer/src/hooks/useMCPServers.ts

@@ -1,30 +1,86 @@
 import { useAppDispatch, useAppSelector } from '@renderer/store'
-import {
+import { setMCPServers as _setMCPServers } from '@renderer/store/mcp'
-  addMCPServer as _addMCPServer,
-  deleteMCPServer as _deleteMCPServer,
-  setMCPServerActive as _setMCPServerActive,
-  updateMCPServer as _updateMCPServer
-} from '@renderer/store/mcp'
 import { MCPServer } from '@renderer/types'
+import { useEffect } from 'react'
+
+const ipcRenderer = window.electron.ipcRenderer
+
+// Set up IPC listener for main process requests
+ipcRenderer.on('mcp:request-servers', () => {
+  // This needs to access Redux outside of a hook, so we use the store directly
+  const { store } = require('@renderer/store')
+  const servers = store.getState().mcp.servers
+  ipcRenderer.send('mcp:servers-from-renderer', servers)
+})
+
+// Listen for server changes from main process
+ipcRenderer.on('mcp:servers-changed', (_event, servers) => {
+  // This needs to dispatch outside of a hook, so we use the store directly
+  const { store } = require('@renderer/store')
+  store.dispatch(_setMCPServers(servers))
+})
 
 export const useMCPServers = () => {
   const mcpServers = useAppSelector((state) => state.mcp.servers)
   const dispatch = useAppDispatch()
 
-  const addMCPServer = (server: MCPServer) => {
+  // Send servers to main process when they change in Redux
-    dispatch(_addMCPServer(server))
+  useEffect(() => {
+    ipcRenderer.send('mcp:servers-from-renderer', mcpServers)
+  }, [mcpServers])
+
+  // Initial load of MCP servers from main process
+  useEffect(() => {
+    const loadServers = async () => {
+      try {
+        const servers = await ipcRenderer.invoke('mcp:list-servers')
+        dispatch(_setMCPServers(servers))
+      } catch (error) {
+        console.error('Failed to load MCP servers:', error)
+      }
+    }
+
+    loadServers()
+  }, [dispatch])
+
+  const addMCPServer = async (server: MCPServer) => {
+    try {
+      await ipcRenderer.invoke('mcp:add-server', server)
+      // Main process will send back updated servers via mcp:servers-changed
+    } catch (error) {
+      console.error('Failed to add MCP server:', error)
+      throw error
+    }
   }
 
-  const updateMCPServer = (server: MCPServer) => {
+  const updateMCPServer = async (server: MCPServer) => {
-    dispatch(_updateMCPServer(server))
+    try {
+      await ipcRenderer.invoke('mcp:update-server', server)
+      // Main process will send back updated servers via mcp:servers-changed
+    } catch (error) {
+      console.error('Failed to update MCP server:', error)
+      throw error
+    }
   }
 
-  const deleteMCPServer = (name: string) => {
+  const deleteMCPServer = async (name: string) => {
-    dispatch(_deleteMCPServer(name))
+    try {
+      await ipcRenderer.invoke('mcp:delete-server', name)
+      // Main process will send back updated servers via mcp:servers-changed
+    } catch (error) {
+      console.error('Failed to delete MCP server:', error)
+      throw error
+    }
   }
 
-  const setMCPServerActive = (name: string, isActive: boolean) => {
+  const setMCPServerActive = async (name: string, isActive: boolean) => {
-    dispatch(_setMCPServerActive({ name, isActive }))
+    try {
+      await ipcRenderer.invoke('mcp:set-server-active', { name, isActive })
+      // Main process will send back updated servers via mcp:servers-changed
+    } catch (error) {
+      console.error('Failed to set MCP server active status:', error)
+      throw error
+    }
   }
 
   const getActiveMCPServers = () => {