feat(mcp): offer one-time Exa installation

src/core/webview/ClineProvider.ts

@@ -80,6 +80,7 @@ import WorkspaceTracker from "../../integrations/workspace/WorkspaceTracker"
 
 import { McpHub } from "../../services/mcp/McpHub"
 import { McpServerManager } from "../../services/mcp/McpServerManager"
+import { promptToInstallExaMcp } from "../../services/mcp/promptToInstallExaMcp"
 import { MarketplaceManager } from "../../services/marketplace"
 import { ShadowCheckpointService } from "../../services/checkpoints/ShadowCheckpointService"
 import { CodeIndexManager } from "../../services/code-index/manager"
@@ -345,9 +346,10 @@ export class ClineProvider
 
 		// Initialize MCP Hub through the singleton manager
 		McpServerManager.getInstance(this.context, this)
-			.then((hub) => {
+			.then(async (hub) => {
 				this.mcpHub = hub
 				this.mcpHub.registerClient()
+				await promptToInstallExaMcp(this.context, hub)
 			})
 			.catch((error) => {
 				this.log(`Failed to initialize MCP Hub: ${error}`)

src/i18n/locales/en/mcp.json

@@ -11,7 +11,8 @@
 		"disconnect_servers_partial": "Failed to disconnect {{count}} MCP server(s). Check the output for details.",
 		"toolNotFound": "Tool '{{toolName}}' does not exist on server '{{serverName}}'. Available tools: {{availableTools}}",
 		"serverNotFound": "MCP server '{{serverName}}' is not configured. Available servers: {{availableServers}}",
-		"toolDisabled": "Tool '{{toolName}}' on server '{{serverName}}' is disabled. Available enabled tools: {{availableTools}}"
+		"toolDisabled": "Tool '{{toolName}}' on server '{{serverName}}' is disabled. Available enabled tools: {{availableTools}}",
+		"exa_install_failed": "Failed to install Exa MCP: {{errorMessage}}"
 	},
 	"info": {
 		"server_restarting": "Restarting {{serverName}} MCP server...",
@@ -23,7 +24,10 @@
 		"already_refreshing": "MCP servers are already refreshing.",
 		"refreshing_all": "Refreshing all MCP servers...",
 		"all_refreshed": "All MCP servers have been refreshed.",
-		"project_config_deleted": "Project MCP configuration file deleted. All project MCP servers have been disconnected."
+		"project_config_deleted": "Project MCP configuration file deleted. All project MCP servers have been disconnected.",
+		"exa_install_prompt": "Install the free Exa MCP server to give Zoo web search and web fetching capabilities?",
+		"exa_install_action": "Install Exa MCP",
+		"exa_install_success": "Exa MCP installed successfully."
 	},
 	"oauth": {
 		"callback": {