diff --git a/.gitignore b/.gitignore
index 42ab88b..a639840 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@
 .vscode-test/**
 node_modules
 mise.local.toml
-dist/
\ No newline at end of file
+dist/
+.DS_Store
\ No newline at end of file
diff --git a/package.json b/package.json
index d2de143..fd844f7 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
 	"displayName": "Mise VSCode",
 	"publisher": "hverlin",
 	"description": "VSCode extension for mise (manged dev tools, tasks and environment variables)",
-	"version": "0.0.2",
+	"version": "0.0.3",
 	"repository": {
 		"type": "git",
 		"url": "https://github.com/hverlin/mise-vscode"
@@ -59,6 +59,10 @@
 				"command": "mise.refreshEntry",
 				"title": "Refresh",
 				"icon": "$(refresh)"
+			},
+			{
+				"command": "mise.runTask",
+				"title": "Run Mise Task"
 			}
 		],
 		"menus": {
diff --git a/src/extension.ts b/src/extension.ts
index 846045b..2baf0c7 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -1,7 +1,10 @@
 import * as vscode from "vscode";
 import { MiseService } from "./miseService";
 import { MiseEnvsProvider } from "./providers/envProvider";
-import { MiseTasksProvider } from "./providers/tasksProvider";
+import {
+	MiseTasksProvider,
+	registerMiseCommands,
+} from "./providers/tasksProvider";
 import { MiseToolsProvider } from "./providers/toolsProvider";
 
 let statusBarItem: vscode.StatusBarItem;
@@ -20,6 +23,7 @@ export function activate(context: vscode.ExtensionContext) {
 	statusBarItem.show();
 	statusBarItem.text = "$(tools) Mise";
 	statusBarItem.tooltip = "Click to refresh Mise";
+	registerMiseCommands(context, tasksProvider);
 
 	vscode.window.registerTreeDataProvider("miseTasksView", tasksProvider);
 	vscode.window.registerTreeDataProvider("miseToolsView", toolsProvider);
diff --git a/src/miseService.ts b/src/miseService.ts
index 84892af..043ceaf 100644
--- a/src/miseService.ts
+++ b/src/miseService.ts
@@ -6,10 +6,17 @@ import { logger } from "./utils/logger";
 const execAsync = promisify(exec);
 
 export class MiseService {
+	private terminal: vscode.Terminal | undefined;
+	private readonly workspaceRoot: string | undefined;
+
+	constructor() {
+		this.workspaceRoot = vscode.workspace.rootPath;
+	}
+
 	async getTasks(): Promise<MiseTask[]> {
 		try {
 			const { stdout } = await execAsync("mise tasks ls --json", {
-				cwd: vscode.workspace.rootPath,
+				cwd: this.workspaceRoot,
 			});
 			return JSON.parse(stdout).map((task: MiseTask) => ({
 				name: task.name,
@@ -27,7 +34,7 @@ export class MiseService {
 
 		try {
 			const { stdout } = await execAsync("mise ls --current --offline --json", {
-				cwd: vscode.workspace.rootPath,
+				cwd: this.workspaceRoot,
 			});
 			logger.info(`Got stdout from mise ls 4 command ${stdout}`);
 			return Object.entries(JSON.parse(stdout)).flatMap(([toolName, tools]) => {
@@ -51,7 +58,7 @@ export class MiseService {
 	async getEnvs(): Promise<MiseEnv[]> {
 		try {
 			const { stdout } = await execAsync("mise env --json", {
-				cwd: vscode.workspace.rootPath,
+				cwd: this.workspaceRoot,
 			});
 
 			return Object.entries(JSON.parse(stdout)).map(([key, value]) => ({
@@ -63,4 +70,37 @@ export class MiseService {
 			return [];
 		}
 	}
+
+	async runTask(taskName: string): Promise<void> {
+		const terminal = this.getOrCreateTerminal();
+		terminal.show();
+		terminal.sendText(`mise run ${taskName}`);
+	}
+
+	private getOrCreateTerminal(): vscode.Terminal {
+		if (!this.terminal || this._isTerminalClosed(this.terminal)) {
+			this.terminal = vscode.window.createTerminal({
+				name: "Mise Tasks",
+				cwd: this.workspaceRoot,
+			});
+
+			vscode.window.onDidCloseTerminal((closedTerminal) => {
+				if (closedTerminal === this.terminal) {
+					this.terminal = undefined;
+				}
+			});
+		}
+		return this.terminal;
+	}
+
+	private _isTerminalClosed(terminal: vscode.Terminal): boolean {
+		return vscode.window.terminals.indexOf(terminal) === -1;
+	}
+
+	dispose() {
+		if (this.terminal) {
+			this.terminal.dispose();
+			this.terminal = undefined;
+		}
+	}
 }
diff --git a/src/providers/tasksProvider.ts b/src/providers/tasksProvider.ts
index f151a9f..007dcd7 100644
--- a/src/providers/tasksProvider.ts
+++ b/src/providers/tasksProvider.ts
@@ -1,12 +1,12 @@
 import * as vscode from "vscode";
 import type { MiseService } from "../miseService";
 
-export class MiseTasksProvider implements vscode.TreeDataProvider<TaskItem> {
+export class MiseTasksProvider implements vscode.TreeDataProvider<TreeNode> {
 	private _onDidChangeTreeData: vscode.EventEmitter<
-		TaskItem | undefined | null | void
-	> = new vscode.EventEmitter<TaskItem | undefined | null | void>();
+		TreeNode | undefined | null | void
+	> = new vscode.EventEmitter<TreeNode | undefined | null | void>();
 	readonly onDidChangeTreeData: vscode.Event<
-		TaskItem | undefined | null | void
+		TreeNode | undefined | null | void
 	> = this._onDidChangeTreeData.event;
 
 	constructor(private miseService: MiseService) {}
@@ -15,19 +15,93 @@ export class MiseTasksProvider implements vscode.TreeDataProvider<TaskItem> {
 		this._onDidChangeTreeData.fire();
 	}
 
-	getTreeItem(element: TaskItem): vscode.TreeItem {
+	getTreeItem(element: TreeNode): vscode.TreeItem {
 		return element;
 	}
 
-	async getChildren(): Promise<TaskItem[]> {
-		const tasks = await this.miseService.getTasks();
-		return tasks.map((task) => new TaskItem(task));
+	async getChildren(element?: TreeNode): Promise<TreeNode[]> {
+		if (!element) {
+			// Root level - return source groups
+			const tasks = await this.miseService.getTasks();
+			const groupedTasks = this.groupTasksBySource(tasks);
+
+			return Object.entries(groupedTasks).map(
+				([source, tasks]) => new SourceGroupItem(source, tasks),
+			);
+		}
+
+		if (element instanceof SourceGroupItem) {
+			// Source group level - return tasks
+			return element.tasks.map((task) => new TaskItem(task));
+		}
+
+		return [];
+	}
+
+	private groupTasksBySource(tasks: MiseTask[]): Record<string, MiseTask[]> {
+		return tasks.reduce(
+			(groups, task) => {
+				const source = task.source || "Unknown";
+				if (!groups[source]) {
+					groups[source] = [];
+				}
+				groups[source].push(task);
+				return groups;
+			},
+			{} as Record<string, MiseTask[]>,
+		);
+	}
+
+	async runTask(taskItem: TaskItem) {
+		try {
+			await this.miseService.runTask(taskItem.task.name);
+			vscode.window.showInformationMessage(
+				`Task '${taskItem.task.name}' started`,
+			);
+		} catch (error) {
+			vscode.window.showErrorMessage(
+				`Failed to run task '${taskItem.task.name}': ${error}`,
+			);
+		}
+	}
+}
+
+type TreeNode = SourceGroupItem | TaskItem;
+
+class SourceGroupItem extends vscode.TreeItem {
+	constructor(
+		public readonly source: string,
+		public readonly tasks: MiseTask[],
+	) {
+		super(source, vscode.TreeItemCollapsibleState.Expanded);
+		this.tooltip = `Source: ${source}\nTasks: ${tasks.length}`;
+		this.iconPath = new vscode.ThemeIcon("folder");
 	}
 }
 
 class TaskItem extends vscode.TreeItem {
-	constructor(task: MiseTask) {
+	constructor(public readonly task: MiseTask) {
 		super(task.name, vscode.TreeItemCollapsibleState.None);
 		this.tooltip = `Task: ${task.name}\nSource: ${task.source}\nDescription: ${task.description}`;
+		this.iconPath = new vscode.ThemeIcon("play");
+
+		// Add command to run the task
+		this.command = {
+			title: "Run Task",
+			command: "mise.runTask",
+			arguments: [this],
+		};
 	}
 }
+
+// Register the command in your extension's activate function:
+export function registerMiseCommands(
+	context: vscode.ExtensionContext,
+	taskProvider: MiseTasksProvider,
+) {
+	context.subscriptions.push(
+		vscode.commands.registerCommand("mise.runTask", (taskItem: TaskItem) => {
+			taskProvider.runTask(taskItem);
+		}),
+	);
+}