feat(list): Add --ready and --blocking filters to identify parallelizable tasks (#1533)

Co-authored-by: Ben Coombs <bjcoombs@users.noreply.github.com> Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com> - fixes #1532
2026-01-30 06:12:05 +00:00 · 2026-01-14 21:59:19 +00:00
parent 097c8edcb0
commit 6c3a92c439
15 changed files with 1805 additions and 383 deletions
--- a/.changeset/list-blocks-ready-filter.md
+++ b/.changeset/list-blocks-ready-filter.md
@@ -0,0 +1,16 @@
+---
+"task-master-ai": minor
+---
+
+Add --ready and --blocking filters to list command for identifying parallelizable tasks
+
+- Add `--ready` filter to show only tasks with satisfied dependencies (ready to work on)
+- Add `--blocking` filter to show only tasks that block other tasks
+- Combine `--ready --blocking` to find high-impact tasks (ready AND blocking others)
+- Add "Blocks" column to task table showing which tasks depend on each task
+- Blocks field included in JSON output for programmatic access
+- Add "Ready" column to `tags` command showing count of ready tasks per tag
+- Add `--ready` filter to `tags` command to show only tags with available work
+- Excludes deferred/blocked tasks from ready count (only actionable statuses)
+- Add `--all-tags` option to list ready tasks across all tags (use with `--ready`)
+- Tag column shown as first column when using `--all-tags` for easy scanning
--- a/apps/cli/src/commands/list.command.spec.ts
+++ b/apps/cli/src/commands/list.command.spec.ts
@@ -0,0 +1,959 @@
+/**
+ * @fileoverview Unit tests for ListTasksCommand
+ */
+
+import type { TmCore } from '@tm/core';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+// Mock dependencies - use importOriginal to preserve real implementations
+// Only mock createTmCore since we inject a mock tmCore directly in tests
+vi.mock('@tm/core', async (importOriginal) => {
+	const actual = await importOriginal<typeof import('@tm/core')>();
+	return {
+		...actual,
+		createTmCore: vi.fn()
+	};
+});
+
+vi.mock('../utils/project-root.js', () => ({
+	getProjectRoot: vi.fn((path?: string) => path || '/test/project')
+}));
+
+vi.mock('../utils/error-handler.js', () => ({
+	displayError: vi.fn()
+}));
+
+vi.mock('../utils/display-helpers.js', () => ({
+	displayCommandHeader: vi.fn()
+}));
+
+vi.mock('../ui/index.js', () => ({
+	calculateDependencyStatistics: vi.fn(() => ({ total: 0, blocked: 0 })),
+	calculateSubtaskStatistics: vi.fn(() => ({ total: 0, completed: 0 })),
+	calculateTaskStatistics: vi.fn(() => ({ total: 0, completed: 0 })),
+	displayDashboards: vi.fn(),
+	displayRecommendedNextTask: vi.fn(),
+	displaySuggestedNextSteps: vi.fn(),
+	getPriorityBreakdown: vi.fn(() => ({})),
+	getTaskDescription: vi.fn(() => 'Test description')
+}));
+
+vi.mock('../utils/ui.js', () => ({
+	createTaskTable: vi.fn(() => 'Table output'),
+	displayWarning: vi.fn()
+}));
+
+import { ListTasksCommand } from './list.command.js';
+
+describe('ListTasksCommand', () => {
+	let consoleLogSpy: any;
+	let mockTmCore: Partial<TmCore>;
+
+	beforeEach(() => {
+		consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+		mockTmCore = {
+			tasks: {
+				list: vi.fn().mockResolvedValue({
+					tasks: [{ id: '1', title: 'Test Task', status: 'pending' }],
+					total: 1,
+					filtered: 1,
+					storageType: 'json'
+				}),
+				getStorageType: vi.fn().mockReturnValue('json')
+			} as any,
+			config: {
+				getActiveTag: vi.fn().mockReturnValue('master')
+			} as any
+		};
+	});
+
+	afterEach(() => {
+		vi.clearAllMocks();
+		consoleLogSpy.mockRestore();
+	});
+
+	describe('JSON output format', () => {
+		it('should use JSON format when --json flag is set', async () => {
+			const command = new ListTasksCommand();
+
+			// Mock the tmCore initialization
+			(command as any).tmCore = mockTmCore;
+
+			// Execute with --json flag
+			await (command as any).executeCommand({
+				json: true,
+				format: 'text' // Should be overridden by --json
+			});
+
+			// Verify JSON output was called
+			expect(consoleLogSpy).toHaveBeenCalled();
+			const output = consoleLogSpy.mock.calls[0][0];
+
+			// Should be valid JSON
+			expect(() => JSON.parse(output)).not.toThrow();
+
+			const parsed = JSON.parse(output);
+			expect(parsed).toHaveProperty('tasks');
+			expect(parsed).toHaveProperty('metadata');
+		});
+
+		it('should override --format when --json is set', async () => {
+			const command = new ListTasksCommand();
+			(command as any).tmCore = mockTmCore;
+
+			await (command as any).executeCommand({
+				json: true,
+				format: 'compact' // Should be overridden
+			});
+
+			// Should output JSON, not compact format
+			const output = consoleLogSpy.mock.calls[0][0];
+			expect(() => JSON.parse(output)).not.toThrow();
+		});
+
+		it('should use specified format when --json is not set', async () => {
+			const command = new ListTasksCommand();
+			(command as any).tmCore = mockTmCore;
+
+			await (command as any).executeCommand({
+				format: 'compact'
+			});
+
+			// Should use compact format (not JSON)
+			const output = consoleLogSpy.mock.calls;
+			// In compact mode, output is not JSON
+			expect(output.length).toBeGreaterThan(0);
+		});
+
+		it('should default to text format when neither flag is set', async () => {
+			const command = new ListTasksCommand();
+			(command as any).tmCore = mockTmCore;
+
+			await (command as any).executeCommand({});
+
+			// Should use text format (not JSON)
+			// If any console.log was called, verify it's not JSON
+			if (consoleLogSpy.mock.calls.length > 0) {
+				const output = consoleLogSpy.mock.calls[0][0];
+				// Text format output should not be parseable JSON
+				// or should be the table string we mocked
+				expect(
+					output === 'Table output' ||
+						(() => {
+							try {
+								JSON.parse(output);
+								return false;
+							} catch {
+								return true;
+							}
+						})()
+				).toBe(true);
+			}
+		});
+	});
+
+	describe('format validation', () => {
+		it('should accept valid formats', () => {
+			const command = new ListTasksCommand();
+
+			expect((command as any).validateOptions({ format: 'text' })).toBe(true);
+			expect((command as any).validateOptions({ format: 'json' })).toBe(true);
+			expect((command as any).validateOptions({ format: 'compact' })).toBe(
+				true
+			);
+		});
+
+		it('should reject invalid formats', () => {
+			const consoleErrorSpy = vi
+				.spyOn(console, 'error')
+				.mockImplementation(() => {});
+			const command = new ListTasksCommand();
+
+			expect((command as any).validateOptions({ format: 'invalid' })).toBe(
+				false
+			);
+			expect(consoleErrorSpy).toHaveBeenCalledWith(
+				expect.stringContaining('Invalid format: invalid')
+			);
+
+			consoleErrorSpy.mockRestore();
+		});
+	});
+
+	describe('--ready filter', () => {
+		it('should filter to only tasks with all dependencies satisfied', async () => {
+			const command = new ListTasksCommand();
+
+			// Mock tasks where some have satisfied deps and some don't
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'done', dependencies: [] },
+				{ id: '2', title: 'Task 2', status: 'pending', dependencies: ['1'] }, // deps satisfied (1 is done)
+				{ id: '3', title: 'Task 3', status: 'pending', dependencies: ['2'] }, // deps NOT satisfied (2 is pending)
+				{ id: '4', title: 'Task 4', status: 'pending', dependencies: [] } // no deps, ready
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 4,
+						filtered: 4,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should only include tasks 2 and 4 (ready to work on)
+			expect(parsed.tasks).toHaveLength(2);
+			expect(parsed.tasks.map((t: any) => t.id)).toEqual(
+				expect.arrayContaining(['2', '4'])
+			);
+			expect(parsed.tasks.map((t: any) => t.id)).not.toContain('3');
+		});
+
+		it('should exclude done/cancelled tasks from ready filter', async () => {
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'done', dependencies: [] },
+				{ id: '2', title: 'Task 2', status: 'cancelled', dependencies: [] },
+				{ id: '3', title: 'Task 3', status: 'pending', dependencies: [] }
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 3,
+						filtered: 3,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should only include task 3 (pending with no deps)
+			expect(parsed.tasks).toHaveLength(1);
+			expect(parsed.tasks[0].id).toBe('3');
+		});
+
+		it('should exclude deferred and blocked tasks from ready filter', async () => {
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'pending', dependencies: [] },
+				{ id: '2', title: 'Task 2', status: 'deferred', dependencies: [] },
+				{ id: '3', title: 'Task 3', status: 'blocked', dependencies: [] },
+				{ id: '4', title: 'Task 4', status: 'in-progress', dependencies: [] },
+				{ id: '5', title: 'Task 5', status: 'review', dependencies: [] }
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 5,
+						filtered: 5,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should only include pending, in-progress, and review tasks
+			expect(parsed.tasks).toHaveLength(3);
+			const ids = parsed.tasks.map((t: any) => t.id);
+			expect(ids).toContain('1'); // pending
+			expect(ids).toContain('4'); // in-progress
+			expect(ids).toContain('5'); // review
+			expect(ids).not.toContain('2'); // deferred - excluded
+			expect(ids).not.toContain('3'); // blocked - excluded
+		});
+	});
+
+	describe('--blocking filter', () => {
+		it('should filter to only tasks that block other tasks', async () => {
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'pending', dependencies: [] }, // blocks 2, 3
+				{ id: '2', title: 'Task 2', status: 'pending', dependencies: ['1'] }, // blocks 4
+				{ id: '3', title: 'Task 3', status: 'pending', dependencies: ['1'] }, // blocks nothing
+				{ id: '4', title: 'Task 4', status: 'pending', dependencies: ['2'] } // blocks nothing
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 4,
+						filtered: 4,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				blocking: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should only include tasks 1 and 2 (they block other tasks)
+			expect(parsed.tasks).toHaveLength(2);
+			expect(parsed.tasks.map((t: any) => t.id)).toEqual(
+				expect.arrayContaining(['1', '2'])
+			);
+		});
+	});
+
+	describe('--ready --blocking combined filter', () => {
+		it('should show high-impact tasks (ready AND blocking)', async () => {
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'done', dependencies: [] },
+				{ id: '2', title: 'Task 2', status: 'pending', dependencies: ['1'] }, // ready (1 done), blocks 3,4
+				{ id: '3', title: 'Task 3', status: 'pending', dependencies: ['2'] }, // not ready, blocks 5
+				{ id: '4', title: 'Task 4', status: 'pending', dependencies: ['2'] }, // not ready, blocks nothing
+				{ id: '5', title: 'Task 5', status: 'pending', dependencies: ['3'] }, // not ready, blocks nothing
+				{ id: '6', title: 'Task 6', status: 'pending', dependencies: [] } // ready, blocks nothing
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 6,
+						filtered: 6,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				blocking: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should only include task 2 (ready AND blocks other tasks)
+			expect(parsed.tasks).toHaveLength(1);
+			expect(parsed.tasks[0].id).toBe('2');
+		});
+	});
+
+	describe('blocks field in output', () => {
+		it('should include blocks field showing which tasks depend on each task', async () => {
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{ id: '1', title: 'Task 1', status: 'pending', dependencies: [] },
+				{ id: '2', title: 'Task 2', status: 'pending', dependencies: ['1'] },
+				{ id: '3', title: 'Task 3', status: 'pending', dependencies: ['1'] },
+				{
+					id: '4',
+					title: 'Task 4',
+					status: 'pending',
+					dependencies: ['2', '3']
+				}
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 4,
+						filtered: 4,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Task 1 blocks tasks 2 and 3
+			const task1 = parsed.tasks.find((t: any) => t.id === '1');
+			expect(task1.blocks).toEqual(expect.arrayContaining(['2', '3']));
+
+			// Task 2 blocks task 4
+			const task2 = parsed.tasks.find((t: any) => t.id === '2');
+			expect(task2.blocks).toEqual(['4']);
+
+			// Task 3 blocks task 4
+			const task3 = parsed.tasks.find((t: any) => t.id === '3');
+			expect(task3.blocks).toEqual(['4']);
+
+			// Task 4 blocks nothing
+			const task4 = parsed.tasks.find((t: any) => t.id === '4');
+			expect(task4.blocks).toEqual([]);
+		});
+	});
+
+	describe('--ready filter edge cases', () => {
+		it('should treat cancelled dependencies as satisfied for --ready filter', async () => {
+			const command = new ListTasksCommand();
+
+			// Task 1 is cancelled, Task 2 depends on Task 1
+			// Task 2 should be considered "ready" because cancelled = complete
+			const mockTasks = [
+				{
+					id: '1',
+					title: 'Cancelled Task',
+					status: 'cancelled',
+					dependencies: []
+				},
+				{
+					id: '2',
+					title: 'Dependent Task',
+					status: 'pending',
+					dependencies: ['1']
+				}
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 2,
+						filtered: 2,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Task 2 should be ready because task 1 (cancelled) counts as complete
+			expect(parsed.tasks).toHaveLength(1);
+			expect(parsed.tasks[0].id).toBe('2');
+			expect(parsed.tasks[0].status).toBe('pending');
+		});
+
+		it('should apply status filter after ready filter', async () => {
+			const command = new ListTasksCommand();
+
+			// Multiple ready tasks with different statuses
+			const mockTasks = [
+				{ id: '1', title: 'Done', status: 'done', dependencies: [] },
+				{
+					id: '2',
+					title: 'Pending ready',
+					status: 'pending',
+					dependencies: ['1']
+				},
+				{
+					id: '3',
+					title: 'In-progress ready',
+					status: 'in-progress',
+					dependencies: ['1']
+				}
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 3,
+						filtered: 3,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				ready: true,
+				status: 'pending',
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// With --ready --status=pending, should only show task 2
+			// Task 2 is ready (dep 1 is done) and pending
+			// Task 3 is ready but in-progress, not pending
+			expect(parsed.tasks).toHaveLength(1);
+			expect(parsed.tasks[0].id).toBe('2');
+			expect(parsed.tasks[0].status).toBe('pending');
+		});
+	});
+
+	describe('buildBlocksMap validation', () => {
+		it('should warn about dependencies to non-existent tasks', async () => {
+			const consoleWarnSpy = vi
+				.spyOn(console, 'warn')
+				.mockImplementation(() => {});
+			const command = new ListTasksCommand();
+
+			const mockTasks = [
+				{
+					id: '1',
+					title: 'Task with bad dep',
+					status: 'pending',
+					dependencies: ['999']
+				}
+			];
+
+			(command as any).tmCore = {
+				tasks: {
+					list: vi.fn().mockResolvedValue({
+						tasks: mockTasks,
+						total: 1,
+						filtered: 1,
+						storageType: 'json'
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				json: true
+			});
+
+			// Verify console.warn was called with warning about invalid dependency
+			expect(consoleWarnSpy).toHaveBeenCalled();
+
+			// Find the call that mentions invalid dependency references
+			const warnCalls = consoleWarnSpy.mock.calls.map((call) => call[0]);
+			const hasInvalidDepWarning = warnCalls.some(
+				(msg) =>
+					typeof msg === 'string' &&
+					msg.includes('invalid dependency reference')
+			);
+			const hasSpecificTaskWarning = warnCalls.some(
+				(msg) =>
+					typeof msg === 'string' &&
+					msg.includes('Task 1') &&
+					msg.includes('999')
+			);
+
+			expect(hasInvalidDepWarning).toBe(true);
+			expect(hasSpecificTaskWarning).toBe(true);
+
+			consoleWarnSpy.mockRestore();
+		});
+	});
+
+	describe('--all-tags option', () => {
+		it('should fetch tasks from multiple tags and include tagName field', async () => {
+			const command = new ListTasksCommand();
+
+			// Mock tasks for different tags
+			const featureATasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Feature A Task 1',
+						status: 'pending',
+						dependencies: []
+					},
+					{
+						id: '2',
+						title: 'Feature A Task 2',
+						status: 'done',
+						dependencies: []
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			const featureBTasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Feature B Task 1',
+						status: 'in-progress',
+						dependencies: []
+					},
+					{
+						id: '2',
+						title: 'Feature B Task 2',
+						status: 'pending',
+						dependencies: ['1']
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			const listMock = vi
+				.fn()
+				.mockResolvedValueOnce(featureATasksResponse)
+				.mockResolvedValueOnce(featureBTasksResponse);
+
+			(command as any).tmCore = {
+				tasks: {
+					list: listMock,
+					getTagsWithStats: vi.fn().mockResolvedValue({
+						tags: [
+							{ name: 'feature-a', taskCount: 2 },
+							{ name: 'feature-b', taskCount: 2 }
+						]
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				allTags: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Should include tasks from both tags
+			expect(parsed.tasks).toHaveLength(4);
+
+			// Each task should have tagName field
+			const featureATasks = parsed.tasks.filter(
+				(t: any) => t.tagName === 'feature-a'
+			);
+			const featureBTasks = parsed.tasks.filter(
+				(t: any) => t.tagName === 'feature-b'
+			);
+
+			expect(featureATasks).toHaveLength(2);
+			expect(featureBTasks).toHaveLength(2);
+
+			// Verify metadata indicates all tags
+			expect(parsed.metadata.allTags).toBe(true);
+			expect(parsed.metadata.tag).toBe('all');
+			expect(parsed.metadata.total).toBe(4);
+		});
+
+		it('should apply --ready filter per-tag when combined with --all-tags', async () => {
+			const command = new ListTasksCommand();
+
+			// Tag A: Task 1 is done, Task 2 depends on Task 1 (ready)
+			const tagATasksResponse = {
+				tasks: [
+					{ id: '1', title: 'Tag A Task 1', status: 'done', dependencies: [] },
+					{
+						id: '2',
+						title: 'Tag A Task 2',
+						status: 'pending',
+						dependencies: ['1']
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			// Tag B: Task 1 is pending (ready), Task 2 depends on Task 1 (not ready)
+			// Note: Task IDs can overlap between tags, but dependencies are tag-scoped
+			const tagBTasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Tag B Task 1',
+						status: 'pending',
+						dependencies: []
+					},
+					{
+						id: '2',
+						title: 'Tag B Task 2',
+						status: 'pending',
+						dependencies: ['1']
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			const listMock = vi
+				.fn()
+				.mockResolvedValueOnce(tagATasksResponse)
+				.mockResolvedValueOnce(tagBTasksResponse);
+
+			(command as any).tmCore = {
+				tasks: {
+					list: listMock,
+					getTagsWithStats: vi.fn().mockResolvedValue({
+						tags: [
+							{ name: 'tag-a', taskCount: 2 },
+							{ name: 'tag-b', taskCount: 2 }
+						]
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				allTags: true,
+				ready: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Tag A: Task 2 is ready (Task 1 is done)
+			// Tag B: Task 1 is ready (no deps), Task 2 is NOT ready (Task 1 is pending)
+			expect(parsed.tasks).toHaveLength(2);
+
+			const taskIds = parsed.tasks.map((t: any) => `${t.tagName}:${t.id}`);
+			expect(taskIds).toContain('tag-a:2'); // Ready: deps satisfied
+			expect(taskIds).toContain('tag-b:1'); // Ready: no deps
+			expect(taskIds).not.toContain('tag-b:2'); // Not ready: depends on pending task
+		});
+
+		it('should reject --all-tags combined with --watch', () => {
+			const consoleErrorSpy = vi
+				.spyOn(console, 'error')
+				.mockImplementation(() => {});
+			const command = new ListTasksCommand();
+
+			const isValid = (command as any).validateOptions({
+				allTags: true,
+				watch: true
+			});
+
+			expect(isValid).toBe(false);
+			expect(consoleErrorSpy).toHaveBeenCalledWith(
+				expect.stringContaining('--all-tags cannot be used with --watch mode')
+			);
+
+			consoleErrorSpy.mockRestore();
+		});
+
+		it('should apply --blocking filter with --all-tags', async () => {
+			const command = new ListTasksCommand();
+
+			// Tag A: Task 1 blocks Task 2
+			const tagATasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Tag A Task 1',
+						status: 'pending',
+						dependencies: []
+					},
+					{
+						id: '2',
+						title: 'Tag A Task 2',
+						status: 'pending',
+						dependencies: ['1']
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			// Tag B: Task 1 blocks nothing (no other tasks depend on it)
+			const tagBTasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Tag B Task 1',
+						status: 'pending',
+						dependencies: []
+					}
+				],
+				total: 1,
+				filtered: 1,
+				storageType: 'json'
+			};
+
+			const listMock = vi
+				.fn()
+				.mockResolvedValueOnce(tagATasksResponse)
+				.mockResolvedValueOnce(tagBTasksResponse);
+
+			(command as any).tmCore = {
+				tasks: {
+					list: listMock,
+					getTagsWithStats: vi.fn().mockResolvedValue({
+						tags: [
+							{ name: 'tag-a', taskCount: 2 },
+							{ name: 'tag-b', taskCount: 1 }
+						]
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				allTags: true,
+				blocking: true,
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Only Tag A Task 1 blocks other tasks
+			expect(parsed.tasks).toHaveLength(1);
+			expect(parsed.tasks[0].tagName).toBe('tag-a');
+			expect(parsed.tasks[0].id).toBe('1');
+			expect(parsed.tasks[0].blocks).toContain('2');
+		});
+
+		it('should apply status filter with --all-tags', async () => {
+			const command = new ListTasksCommand();
+
+			const tagATasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Tag A Task 1',
+						status: 'pending',
+						dependencies: []
+					},
+					{ id: '2', title: 'Tag A Task 2', status: 'done', dependencies: [] }
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			const tagBTasksResponse = {
+				tasks: [
+					{
+						id: '1',
+						title: 'Tag B Task 1',
+						status: 'in-progress',
+						dependencies: []
+					},
+					{
+						id: '2',
+						title: 'Tag B Task 2',
+						status: 'pending',
+						dependencies: []
+					}
+				],
+				total: 2,
+				filtered: 2,
+				storageType: 'json'
+			};
+
+			const listMock = vi
+				.fn()
+				.mockResolvedValueOnce(tagATasksResponse)
+				.mockResolvedValueOnce(tagBTasksResponse);
+
+			(command as any).tmCore = {
+				tasks: {
+					list: listMock,
+					getTagsWithStats: vi.fn().mockResolvedValue({
+						tags: [
+							{ name: 'tag-a', taskCount: 2 },
+							{ name: 'tag-b', taskCount: 2 }
+						]
+					}),
+					getStorageType: vi.fn().mockReturnValue('json')
+				},
+				config: {
+					getActiveTag: vi.fn().mockReturnValue('master')
+				}
+			};
+
+			await (command as any).executeCommand({
+				allTags: true,
+				status: 'pending',
+				json: true
+			});
+
+			const output = consoleLogSpy.mock.calls[0][0];
+			const parsed = JSON.parse(output);
+
+			// Only pending tasks should be included
+			expect(parsed.tasks).toHaveLength(2);
+			expect(parsed.tasks.every((t: any) => t.status === 'pending')).toBe(true);
+
+			const taskIds = parsed.tasks.map((t: any) => `${t.tagName}:${t.id}`);
+			expect(taskIds).toContain('tag-a:1');
+			expect(taskIds).toContain('tag-b:2');
+		});
+	});
+});
--- a/apps/cli/src/commands/list.command.ts
+++ b/apps/cli/src/commands/list.command.ts
@@ -5,14 +5,20 @@

 import {
 	OUTPUT_FORMATS,
+	buildBlocksMap,
+	createTmCore,
+	filterBlockingTasks,
+	filterReadyTasks,
+	isTaskComplete,
+	type InvalidDependency,
 	type OutputFormat,
 	STATUS_ICONS,
 	TASK_STATUSES,
 	type Task,
 	type TaskStatus,
+	type TaskWithBlocks,
 	type TmCore,
-	type WatchSubscription,
-	createTmCore
+	type WatchSubscription
 } from '@tm/core';
 import type { StorageType } from '@tm/core';
 import chalk from 'chalk';
@@ -33,7 +39,6 @@ import {
 import { displayCommandHeader } from '../utils/display-helpers.js';
 import { displayError } from '../utils/error-handler.js';
 import { getProjectRoot } from '../utils/project-root.js';
-import { isTaskComplete } from '../utils/task-status.js';
 import * as ui from '../utils/ui.js';

 /**
@@ -50,17 +55,26 @@ export interface ListCommandOptions {
 	silent?: boolean;
 	project?: string;
 	watch?: boolean;
+	ready?: boolean;
+	blocking?: boolean;
+	allTags?: boolean;
 }

+/**
+ * Task with tag info for cross-tag listing
+ */
+export type TaskWithTag = TaskWithBlocks & { tagName: string };
+
 /**
 * Result type from list command
 */
 export interface ListTasksResult {
-	tasks: Task[];
+	tasks: TaskWithBlocks[] | TaskWithTag[];
 	total: number;
 	filtered: number;
 	tag?: string;
 	storageType: Exclude<StorageType, 'auto'>;
+	allTags?: boolean;
 }

 /**
@@ -104,6 +118,15 @@ export class ListTasksCommand extends Command {
 				'Project root directory (auto-detected if not provided)'
 			)
 			.option('-w, --watch', 'Watch for changes and update list automatically')
+			.option(
+				'--ready',
+				'Show only tasks ready to work on (dependencies satisfied)'
+			)
+			.option('--blocking', 'Show only tasks that block other tasks')
+			.option(
+				'--all-tags',
+				'Show tasks from all tags (combine with --ready for actionable tasks)'
+			)
 			.action(async (statusArg?: string, options?: ListCommandOptions) => {
 				// Handle special "all" keyword to show with subtasks
 				let status = statusArg || options?.status;
@@ -142,7 +165,10 @@ export class ListTasksCommand extends Command {
 			if (options.watch) {
 				await this.watchTasks(options);
 			} else {
-				const result = await this.getTasks(options);
+				// Use cross-tag listing when --all-tags is specified
+				const result = options.allTags
+					? await this.getTasksFromAllTags(options)
+					: await this.getTasks(options);

 				// Store result for programmatic access
 				this.setLastResult(result);
@@ -195,8 +221,15 @@ export class ListTasksCommand extends Command {
 							// Show sync message with timestamp
 							displaySyncMessage(storageType, lastSync);
 							displayWatchFooter(storageType, lastSync);
-						} catch {
-							// Ignore errors during watch (e.g. partial writes)
+						} catch (refreshError: unknown) {
+							// Log warning but continue watching - don't crash on transient errors
+							const message =
+								refreshError instanceof Error
+									? refreshError.message
+									: String(refreshError);
+							console.error(
+								chalk.yellow(`\nWarning: Failed to refresh tasks: ${message}`)
+							);
 						}
 					} else if (event.type === 'error' && event.error) {
 						console.error(chalk.red(`\n⚠ Watch error: ${event.error.message}`));
@@ -250,6 +283,17 @@ export class ListTasksCommand extends Command {
 			}
 		}

+		// Validate --all-tags cannot be used with --watch
+		if (options.allTags && options.watch) {
+			console.error(chalk.red('--all-tags cannot be used with --watch mode'));
+			console.error(
+				chalk.gray(
+					'Use --all-tags without --watch, or --watch without --all-tags'
+				)
+			);
+			return false;
+		}
+
 		return true;
 	}

@@ -272,14 +316,20 @@ export class ListTasksCommand extends Command {
 			throw new Error('TmCore not initialized');
 		}

-		// Build filter
-		const filter =
+		// Parse status filter values
+		const statusFilterValues =
 			options.status && options.status !== 'all'
-				? {
-						status: options.status
-							.split(',')
-							.map((s: string) => s.trim() as TaskStatus)
-					}
+				? options.status.split(',').map((s: string) => s.trim() as TaskStatus)
+				: undefined;
+
+		// When --ready is used, we need ALL tasks to correctly compute which dependencies are satisfied
+		// So we fetch without status filter first, then apply status filter after ready/blocking
+		const needsAllTasks = options.ready || options.blocking;
+
+		// Build filter - skip status filter if we need all tasks for ready/blocking computation
+		const filter =
+			statusFilterValues && !needsAllTasks
+				? { status: statusFilterValues }
 				: undefined;

 		// Call tm-core
@@ -289,7 +339,174 @@ export class ListTasksCommand extends Command {
 			includeSubtasks: options.withSubtasks
 		});

-		return result as ListTasksResult;
+		// Build blocks map and enrich tasks with blocks field
+		const { blocksMap, invalidDependencies } = buildBlocksMap(result.tasks);
+		this.displayInvalidDependencyWarnings(invalidDependencies);
+		const enrichedTasks = result.tasks.map((task) => ({
+			...task,
+			blocks: blocksMap.get(String(task.id)) || []
+		}));
+
+		// Apply ready/blocking filters (with full task context)
+		let filteredTasks = enrichedTasks;
+
+		if (options.ready) {
+			filteredTasks = filterReadyTasks(filteredTasks);
+		}
+
+		if (options.blocking) {
+			filteredTasks = filterBlockingTasks(filteredTasks);
+		}
+
+		// Apply status filter AFTER ready/blocking if we deferred it earlier
+		if (statusFilterValues && needsAllTasks) {
+			filteredTasks = filteredTasks.filter((task) =>
+				statusFilterValues.includes(task.status)
+			);
+		}
+
+		return {
+			...result,
+			tasks: filteredTasks,
+			filtered: filteredTasks.length
+		} as ListTasksResult;
+	}
+
+	/**
+	 * Get ready tasks from all tags
+	 * Fetches tasks from each tag and combines them with tag info
+	 */
+	private async getTasksFromAllTags(
+		options: ListCommandOptions
+	): Promise<ListTasksResult> {
+		if (!this.tmCore) {
+			throw new Error('TmCore not initialized');
+		}
+
+		// Get all tags
+		const tagsResult = await this.tmCore.tasks.getTagsWithStats();
+		const allTaggedTasks: TaskWithTag[] = [];
+		let totalTaskCount = 0;
+		const failedTags: Array<{ name: string; error: string }> = [];
+
+		// Fetch tasks from each tag
+		for (const tagInfo of tagsResult.tags) {
+			const tagName = tagInfo.name;
+
+			try {
+				// Get tasks for this tag
+				const result = await this.tmCore.tasks.list({
+					tag: tagName,
+					includeSubtasks: options.withSubtasks
+				});
+
+				// Track total count before any filtering (consistent with getTasks)
+				totalTaskCount += result.tasks.length;
+
+				// Build blocks map for this tag's tasks
+				const { blocksMap, invalidDependencies } = buildBlocksMap(result.tasks);
+				this.displayInvalidDependencyWarnings(invalidDependencies, tagName);
+
+				// Enrich tasks with blocks field and tag name
+				const enrichedTasks: TaskWithTag[] = result.tasks.map((task) => ({
+					...task,
+					blocks: blocksMap.get(String(task.id)) || [],
+					tagName
+				}));
+
+				// Apply ready filter per-tag to respect tag-scoped dependencies
+				// (task IDs may overlap between tags, so we must filter within each tag)
+				const tasksToAdd: TaskWithTag[] = options.ready
+					? (filterReadyTasks(enrichedTasks) as TaskWithTag[])
+					: enrichedTasks;
+
+				allTaggedTasks.push(...tasksToAdd);
+			} catch (tagError: unknown) {
+				const errorMessage =
+					tagError instanceof Error ? tagError.message : String(tagError);
+				failedTags.push({ name: tagName, error: errorMessage });
+				continue; // Skip this tag but continue with others
+			}
+		}
+
+		// Warn about failed tags
+		if (failedTags.length > 0) {
+			console.warn(
+				chalk.yellow(
+					`\nWarning: Could not fetch tasks from ${failedTags.length} tag(s):`
+				)
+			);
+			failedTags.forEach(({ name, error }) => {
+				console.warn(chalk.gray(`  ${name}: ${error}`));
+			});
+		}
+
+		// If ALL tags failed, throw to surface the issue
+		if (
+			failedTags.length === tagsResult.tags.length &&
+			tagsResult.tags.length > 0
+		) {
+			throw new Error(
+				`Failed to fetch tasks from any tag. First error: ${failedTags[0].error}`
+			);
+		}
+
+		// Apply additional filters
+		let filteredTasks: TaskWithTag[] = allTaggedTasks;
+
+		// Apply blocking filter if specified
+		if (options.blocking) {
+			filteredTasks = filteredTasks.filter((task) => task.blocks.length > 0);
+		}
+
+		// Apply status filter if specified
+		if (options.status && options.status !== 'all') {
+			const statusValues = options.status
+				.split(',')
+				.map((s) => s.trim() as TaskStatus);
+			filteredTasks = filteredTasks.filter((task) =>
+				statusValues.includes(task.status)
+			);
+		}
+
+		return {
+			tasks: filteredTasks,
+			total: totalTaskCount,
+			filtered: filteredTasks.length,
+			storageType: this.tmCore.tasks.getStorageType(),
+			allTags: true
+		};
+	}
+
+	/**
+	 * Display warnings for invalid dependency references
+	 * @param invalidDependencies - Array of invalid dependency references from buildBlocksMap
+	 * @param tagName - Optional tag name for context in multi-tag mode
+	 */
+	private displayInvalidDependencyWarnings(
+		invalidDependencies: InvalidDependency[],
+		tagName?: string
+	): void {
+		if (invalidDependencies.length === 0) {
+			return;
+		}
+
+		const tagContext = tagName ? ` (tag: ${tagName})` : '';
+		console.warn(
+			chalk.yellow(
+				`\nWarning: ${invalidDependencies.length} invalid dependency reference(s) found${tagContext}:`
+			)
+		);
+		invalidDependencies.slice(0, 5).forEach(({ taskId, depId }) => {
+			console.warn(
+				chalk.gray(`  Task ${taskId} depends on non-existent task ${depId}`)
+			);
+		});
+		if (invalidDependencies.length > 5) {
+			console.warn(
+				chalk.gray(`  ...and ${invalidDependencies.length - 5} more`)
+			);
+		}
 	}

 	/**
@@ -300,13 +517,12 @@ export class ListTasksCommand extends Command {
 		options: ListCommandOptions
 	): void {
 		// Resolve format: --json and --compact flags override --format option
-		const format = (
-			options.json
-				? 'json'
-				: options.compact
-					? 'compact'
-					: options.format || 'text'
-		) as OutputFormat;
+		let format: OutputFormat = options.format || 'text';
+		if (options.json) {
+			format = 'json';
+		} else if (options.compact) {
+			format = 'compact';
+		}

 		switch (format) {
 			case 'json':
@@ -335,8 +551,9 @@ export class ListTasksCommand extends Command {
 					metadata: {
 						total: data.total,
 						filtered: data.filtered,
-						tag: data.tag,
-						storageType: data.storageType
+						tag: data.allTags ? 'all' : data.tag,
+						storageType: data.storageType,
+						allTags: data.allTags || false
 					}
 				},
 				null,
@@ -352,29 +569,32 @@ export class ListTasksCommand extends Command {
 		data: ListTasksResult,
 		options: ListCommandOptions
 	): void {
-		const { tasks, tag, storageType } = data;
+		const { tasks, tag, storageType, allTags } = data;

 		// Display header unless --no-header is set
 		if (options.noHeader !== true) {
 			displayCommandHeader(this.tmCore, {
-				tag: tag || 'master',
+				tag: allTags ? 'all tags' : tag || 'master',
 				storageType
 			});
 		}

-		tasks.forEach((task) => {
+		for (const task of tasks) {
 			const icon = STATUS_ICONS[task.status];
-			console.log(`${chalk.cyan(task.id)} ${icon} ${task.title}`);
+			// Show tag in compact format when listing all tags (tasks are TaskWithTag[])
+			const tagPrefix =
+				allTags && 'tagName' in task ? chalk.magenta(`[${task.tagName}] `) : '';
+			console.log(`${tagPrefix}${chalk.cyan(task.id)} ${icon} ${task.title}`);

 			if (options.withSubtasks && task.subtasks?.length) {
-				task.subtasks.forEach((subtask) => {
+				for (const subtask of task.subtasks) {
 					const subIcon = STATUS_ICONS[subtask.status];
 					console.log(
 						`  ${chalk.gray(String(subtask.id))} ${subIcon} ${chalk.gray(subtask.title)}`
 					);
-				});
 				}
-		});
+			}
+		}
 	}

 	/**
@@ -384,12 +604,12 @@ export class ListTasksCommand extends Command {
 		data: ListTasksResult,
 		options: ListCommandOptions
 	): void {
-		const { tasks, tag, storageType } = data;
+		const { tasks, tag, storageType, allTags } = data;

 		// Display header unless --no-header is set
 		if (options.noHeader !== true) {
 			displayCommandHeader(this.tmCore, {
-				tag: tag || 'master',
+				tag: allTags ? 'all tags' : tag || 'master',
 				storageType
 			});
 		}
@@ -414,7 +634,10 @@ export class ListTasksCommand extends Command {
 			? tasks.find((t) => String(t.id) === String(nextTaskInfo.id))
 			: undefined;

-		// Display dashboard boxes (nextTask already has complexity from storage enrichment)
+		// Display dashboard boxes unless filtering by --ready, --blocking, or --all-tags
+		// (filtered/cross-tag dashboards would show misleading statistics)
+		const isFiltered = options.ready || options.blocking || allTags;
+		if (!isFiltered) {
 			displayDashboards(
 				taskStats,
 				subtaskStats,
@@ -422,17 +645,22 @@ export class ListTasksCommand extends Command {
 				depStats,
 				nextTask
 			);
+		}

 		// Task table
 		console.log(
 			ui.createTaskTable(tasks, {
 				showSubtasks: options.withSubtasks,
 				showDependencies: true,
-				showComplexity: true // Enable complexity column
+				showBlocks: true, // Show which tasks this one blocks
+				showComplexity: true, // Enable complexity column
+				showTag: allTags // Show tag column for cross-tag listing
 			})
 		);

 		// Display recommended next task section immediately after table
+		// Skip when filtering by --ready or --blocking (user already knows what they're looking at)
+		if (!isFiltered) {
 			// Don't show "no tasks available" message in list command - that's for tm next
 			if (nextTask) {
 				const description = getTaskDescription(nextTask);
@@ -452,6 +680,7 @@ export class ListTasksCommand extends Command {
 			// Display suggested next steps at the end
 			displaySuggestedNextSteps();
 		}
+	}

 	/**
 	 * Set the last result for programmatic access
--- a/apps/cli/src/commands/loop.command.spec.ts
+++ b/apps/cli/src/commands/loop.command.spec.ts
@@ -394,7 +394,7 @@ describe('LoopCommand', () => {
 			mockLoopRun.mockResolvedValue(result);

 			const execute = (loopCommand as any).execute.bind(loopCommand);
-			await execute({});
+			await execute({ sandbox: true });

 			expect(mockTmCore.loop.checkSandboxAuth).toHaveBeenCalled();
 		});
@@ -405,7 +405,7 @@ describe('LoopCommand', () => {
 			mockLoopRun.mockResolvedValue(result);

 			const execute = (loopCommand as any).execute.bind(loopCommand);
-			await execute({});
+			await execute({ sandbox: true });

 			expect(mockTmCore.loop.runInteractiveAuth).toHaveBeenCalled();
 		});
--- a/apps/cli/src/commands/tags.command.ts
+++ b/apps/cli/src/commands/tags.command.ts
@@ -77,8 +77,10 @@ export class TagsCommand extends Command {
 	constructor(name?: string) {
 		super(name || 'tags');

-		// Configure the command
-		this.description('Manage tags for task organization');
+		// Configure the command with options that apply to default list action
+		this.description('Manage tags for task organization')
+			.option('--show-metadata', 'Show additional tag metadata')
+			.option('--ready', 'Show only tags with ready tasks available');

 		// Add subcommands
 		this.addListCommand();
@@ -88,9 +90,9 @@ export class TagsCommand extends Command {
 		this.addRenameCommand();
 		this.addCopyCommand();

-		// Default action: list tags
-		this.action(async () => {
-			await this.executeList();
+		// Default action: list tags (with options from parent command)
+		this.action(async (options) => {
+			await this.executeList(options);
 		});
 	}

@@ -101,6 +103,7 @@ export class TagsCommand extends Command {
 		this.command('list')
 			.description('List all tags with statistics (default action)')
 			.option('--show-metadata', 'Show additional tag metadata')
+			.option('--ready', 'Show only tags with ready tasks available')
 			.addHelpText(
 				'after',
 				`
@@ -108,6 +111,7 @@ Examples:
  $ tm tags          # List all tags (default)
  $ tm tags list     # List all tags (explicit)
  $ tm tags list --show-metadata  # List with metadata
+  $ tm tags list --ready  # Show only tags with parallelizable work
 `
 			)
 			.action(async (options) => {
@@ -245,6 +249,7 @@ Examples:
 	 */
 	private async executeList(options?: {
 		showMetadata?: boolean;
+		ready?: boolean;
 	}): Promise<void> {
 		try {
 			// Initialize tmCore first (needed by bridge functions)
@@ -257,7 +262,8 @@ Examples:
 				tasksPath,
 				{
 					showTaskCounts: true,
-					showMetadata: options?.showMetadata || false
+					showMetadata: options?.showMetadata || false,
+					ready: options?.ready || false
 				},
 				{ projectRoot },
 				'text'
--- a/apps/cli/src/ui/display/tables.ts
+++ b/apps/cli/src/ui/display/tables.ts
@@ -6,6 +6,7 @@
 import type { Subtask, Task, TaskPriority } from '@tm/core';
 import chalk from 'chalk';
 import Table from 'cli-table3';
+import { isTaskComplete } from '../../utils/task-status.js';
 import { getComplexityWithColor } from '../formatters/complexity-formatters.js';
 import { getPriorityWithColor } from '../formatters/priority-formatters.js';
 import { getStatusWithColor } from '../formatters/status-formatters.js';
@@ -16,59 +17,94 @@ import { getBoxWidth, truncate } from '../layout/helpers.js';
 */
 const DEFAULT_PRIORITY: TaskPriority = 'medium';

+/**
+ * Task-like object that can optionally have blocks field and tag name
+ * Used for table display - accepts both enriched TaskWithBlocks and regular Task/Subtask
+ */
+export type TaskTableItem = (Task | Subtask) & {
+	blocks?: string[];
+	tagName?: string;
+};
+
+/**
+ * Column width ratios indexed by number of optional columns
+ * Each array contains ratios for: [Tag?, ID, Title, Status, Priority, Dependencies?, Blocks?, Complexity?]
+ */
+const COLUMN_WIDTH_RATIOS: Record<number, number[]> = {
+	0: [0.1, 0.5, 0.2, 0.2],
+	1: [0.08, 0.4, 0.18, 0.14, 0.2],
+	2: [0.08, 0.35, 0.14, 0.11, 0.16, 0.16],
+	3: [0.07, 0.3, 0.12, 0.1, 0.14, 0.14, 0.1],
+	4: [0.12, 0.06, 0.2, 0.1, 0.1, 0.12, 0.12, 0.1]
+};
+
 /**
 * Create a task table for display
 */
 export function createTaskTable(
-	tasks: (Task | Subtask)[],
+	tasks: TaskTableItem[],
 	options?: {
 		showSubtasks?: boolean;
 		showComplexity?: boolean;
 		showDependencies?: boolean;
+		showBlocks?: boolean;
+		showTag?: boolean;
 	}
 ): string {
 	const {
 		showSubtasks = false,
 		showComplexity = false,
-		showDependencies = true
+		showDependencies = true,
+		showBlocks = false,
+		showTag = false
 	} = options || {};

 	// Calculate dynamic column widths based on terminal width
 	const tableWidth = getBoxWidth(0.9, 100);
-	// Adjust column widths to better match the original layout
-	const baseColWidths = showComplexity
-		? [
-				Math.floor(tableWidth * 0.1),
-				Math.floor(tableWidth * 0.4),
-				Math.floor(tableWidth * 0.15),
-				Math.floor(tableWidth * 0.1),
-				Math.floor(tableWidth * 0.2),
-				Math.floor(tableWidth * 0.1)
-			] // ID, Title, Status, Priority, Dependencies, Complexity
-		: [
-				Math.floor(tableWidth * 0.08),
-				Math.floor(tableWidth * 0.4),
-				Math.floor(tableWidth * 0.18),
-				Math.floor(tableWidth * 0.12),
-				Math.floor(tableWidth * 0.2)
-			]; // ID, Title, Status, Priority, Dependencies

-	const headers = [
+	// Count optional columns and get corresponding width ratios
+	const optionalCols =
+		(showTag ? 1 : 0) +
+		(showDependencies ? 1 : 0) +
+		(showBlocks ? 1 : 0) +
+		(showComplexity ? 1 : 0);
+
+	const ratios = COLUMN_WIDTH_RATIOS[optionalCols] || COLUMN_WIDTH_RATIOS[4];
+	const baseColWidths = ratios.map((ratio) => Math.floor(tableWidth * ratio));
+
+	// Build headers and column widths dynamically
+	const headers: string[] = [];
+	const colWidths: number[] = [];
+	let colIndex = 0;
+
+	if (showTag) {
+		headers.push(chalk.blue.bold('Tag'));
+		colWidths.push(baseColWidths[colIndex++]);
+	}
+
+	// Core columns: ID, Title, Status, Priority
+	headers.push(
 		chalk.blue.bold('ID'),
 		chalk.blue.bold('Title'),
 		chalk.blue.bold('Status'),
 		chalk.blue.bold('Priority')
-	];
-	const colWidths = baseColWidths.slice(0, 4);
+	);
+	colWidths.push(...baseColWidths.slice(colIndex, colIndex + 4));
+	colIndex += 4;

 	if (showDependencies) {
 		headers.push(chalk.blue.bold('Dependencies'));
-		colWidths.push(baseColWidths[4]);
+		colWidths.push(baseColWidths[colIndex++]);
+	}
+
+	if (showBlocks) {
+		headers.push(chalk.blue.bold('Blocks'));
+		colWidths.push(baseColWidths[colIndex++]);
 	}

 	if (showComplexity) {
 		headers.push(chalk.blue.bold('Complexity'));
-		colWidths.push(baseColWidths[5] || 12);
+		colWidths.push(baseColWidths[colIndex] || 12);
 	}

 	const table = new Table({
@@ -79,17 +115,27 @@ export function createTaskTable(
 	});

 	tasks.forEach((task) => {
-		const row: string[] = [
+		const row: string[] = [];
+
+		// Tag goes first when showing all tags
+		if (showTag) {
+			row.push(chalk.magenta(task.tagName || '-'));
+		}
+
+		// Core columns: ID, Title, Status, Priority
+		// Title column index depends on whether tag is shown
+		const titleColIndex = showTag ? 2 : 1;
+		row.push(
 			chalk.cyan(task.id.toString()),
-			truncate(task.title, colWidths[1] - 3),
+			truncate(task.title, colWidths[titleColIndex] - 3),
 			getStatusWithColor(task.status, true), // Use table version
 			getPriorityWithColor(task.priority)
-		];
+		);

 		if (showDependencies) {
 			// For table display, show simple format without status icons
 			if (!task.dependencies || task.dependencies.length === 0) {
-				row.push(chalk.gray('None'));
+				row.push(chalk.gray('-'));
 			} else {
 				row.push(
 					chalk.cyan(task.dependencies.map((d) => String(d)).join(', '))
@@ -97,6 +143,21 @@ export function createTaskTable(
 			}
 		}

+		if (showBlocks) {
+			// Show tasks that depend on this one
+			if (!task.blocks || task.blocks.length === 0) {
+				row.push(chalk.gray('-'));
+			} else {
+				// Gray out blocks for completed tasks (no longer blocking)
+				const blocksText = task.blocks.join(', ');
+				row.push(
+					isTaskComplete(task.status)
+						? chalk.gray(blocksText)
+						: chalk.yellow(blocksText)
+				);
+			}
+		}
+
 		if (showComplexity) {
 			// Show complexity score from report if available
 			if (typeof task.complexity === 'number') {
@@ -111,23 +172,38 @@ export function createTaskTable(
 		// Add subtasks if requested
 		if (showSubtasks && task.subtasks && task.subtasks.length > 0) {
 			task.subtasks.forEach((subtask) => {
-				const subRow: string[] = [
+				const subRow: string[] = [];
+
+				// Tag goes first when showing all tags
+				if (showTag) {
+					// Subtasks inherit parent's tag, just show dash
+					subRow.push(chalk.gray('-'));
+				}
+
+				// Core subtask columns: ID, Title, Status, Priority
+				const subTitleColIndex = showTag ? 2 : 1;
+				subRow.push(
 					chalk.gray(` └─ ${subtask.id}`),
-					chalk.gray(truncate(subtask.title, colWidths[1] - 6)),
+					chalk.gray(truncate(subtask.title, colWidths[subTitleColIndex] - 6)),
 					chalk.gray(getStatusWithColor(subtask.status, true)),
 					chalk.gray(subtask.priority || DEFAULT_PRIORITY)
-				];
+				);

 				if (showDependencies) {
 					subRow.push(
 						chalk.gray(
 							subtask.dependencies && subtask.dependencies.length > 0
 								? subtask.dependencies.map((dep) => String(dep)).join(', ')
-								: 'None'
+								: '-'
 						)
 					);
 				}

+				if (showBlocks) {
+					// Subtasks don't typically have blocks, show dash
+					subRow.push(chalk.gray('-'));
+				}
+
 				if (showComplexity) {
 					const complexityDisplay =
 						typeof subtask.complexity === 'number'
--- a/apps/cli/tests/integration/commands/loop.command.test.ts
+++ b/apps/cli/tests/integration/commands/loop.command.test.ts
@@ -14,9 +14,12 @@ import fs from 'node:fs';
 import os from 'node:os';
 import path from 'node:path';
 import { createTask, createTasksFile } from '@tm/core/testing';
-import { afterEach, beforeEach, describe, expect, it } from 'vitest';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { getCliBinPath } from '../../helpers/test-utils.js';

+// Increase hook timeout for this file - init command can be slow in CI
+vi.setConfig({ hookTimeout: 30000 });
+
 // Capture initial working directory at module load time
 const initialCwd = process.cwd();

@@ -144,13 +147,6 @@ describe('loop command', () => {
 			expect(output).toContain('--tag');
 		});

-		it('should show --json option in help', () => {
-			const { output, exitCode } = runHelp();
-
-			expect(exitCode).toBe(0);
-			expect(output).toContain('--json');
-		});
-
 		it('should show --progress-file option in help', () => {
 			const { output, exitCode } = runHelp();

@@ -191,44 +187,6 @@ describe('loop command', () => {
 		});
 	});

-	describe('option parsing', () => {
-		it('should accept valid iterations', () => {
-			// Command will fail when trying to run claude, but validation should pass
-			const { output } = runLoop('-n 5');
-
-			// Should NOT contain validation error for iterations
-			expect(output.toLowerCase()).not.toContain('invalid iterations');
-		});
-
-		it('should accept custom prompt preset', () => {
-			const { output } = runLoop('-p test-coverage');
-
-			// Should NOT contain validation error for prompt
-			expect(output.toLowerCase()).not.toContain('invalid prompt');
-		});
-
-		it('should accept tag filter', () => {
-			const { output } = runLoop('-t feature');
-
-			// Should NOT contain validation error for tag
-			expect(output.toLowerCase()).not.toContain('invalid tag');
-		});
-
-		it('should accept progress-file option', () => {
-			const { output } = runLoop('--progress-file /tmp/test-progress.txt');
-
-			// Should NOT contain validation error for progress-file
-			expect(output.toLowerCase()).not.toContain('invalid progress');
-		});
-
-		it('should accept multiple options together', () => {
-			const { output } = runLoop('-n 3 -p default -t test');
-
-			// Should NOT contain validation errors
-			expect(output.toLowerCase()).not.toContain('invalid iterations');
-		});
-	});
-
 	describe('error messages', () => {
 		it('should show helpful error for invalid iterations', () => {
 			const { output, exitCode } = runLoop('-n invalid');
@@ -239,23 +197,4 @@ describe('loop command', () => {
 			expect(output.toLowerCase()).toContain('positive');
 		});
 	});
-
-	describe('project detection', () => {
-		it('should work in initialized project directory', () => {
-			// The project is already initialized in beforeEach
-			// Command will fail when trying to run claude, but project detection should work
-			const { output } = runLoop('-n 1');
-
-			// Should NOT contain "not a task-master project" or similar
-			expect(output.toLowerCase()).not.toContain('not initialized');
-			expect(output.toLowerCase()).not.toContain('no project');
-		});
-
-		it('should accept --project option for explicit path', () => {
-			const { output } = runLoop(`--project "${testDir}" -n 1`);
-
-			// Should NOT contain validation error for project path
-			expect(output.toLowerCase()).not.toContain('invalid project');
-		});
-	});
 });
--- a/apps/cli/tests/unit/commands/list.command.spec.ts
+++ b/apps/cli/tests/unit/commands/list.command.spec.ts
@@ -1,195 +0,0 @@
-/**
- * @fileoverview Unit tests for ListTasksCommand
- */
-
-import type { TmCore } from '@tm/core';
-import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
-
-// Mock dependencies
-vi.mock('@tm/core', () => ({
-	createTmCore: vi.fn(),
-	OUTPUT_FORMATS: ['text', 'json', 'compact'],
-	TASK_STATUSES: [
-		'pending',
-		'in-progress',
-		'done',
-		'review',
-		'deferred',
-		'cancelled'
-	],
-	STATUS_ICONS: {
-		pending: '⏳',
-		'in-progress': '🔄',
-		done: '✅',
-		review: '👀',
-		deferred: '⏸️',
-		cancelled: '❌'
-	}
-}));
-
-vi.mock('../../../src/utils/project-root.js', () => ({
-	getProjectRoot: vi.fn((path?: string) => path || '/test/project')
-}));
-
-vi.mock('../../../src/utils/error-handler.js', () => ({
-	displayError: vi.fn()
-}));
-
-vi.mock('../../../src/utils/display-helpers.js', () => ({
-	displayCommandHeader: vi.fn()
-}));
-
-vi.mock('../../../src/ui/index.js', () => ({
-	calculateDependencyStatistics: vi.fn(() => ({ total: 0, blocked: 0 })),
-	calculateSubtaskStatistics: vi.fn(() => ({ total: 0, completed: 0 })),
-	calculateTaskStatistics: vi.fn(() => ({ total: 0, completed: 0 })),
-	displayDashboards: vi.fn(),
-	displayRecommendedNextTask: vi.fn(),
-	displaySuggestedNextSteps: vi.fn(),
-	getPriorityBreakdown: vi.fn(() => ({})),
-	getTaskDescription: vi.fn(() => 'Test description')
-}));
-
-vi.mock('../../../src/utils/ui.js', () => ({
-	createTaskTable: vi.fn(() => 'Table output'),
-	displayWarning: vi.fn()
-}));
-
-import { ListTasksCommand } from '../../../src/commands/list.command.js';
-
-describe('ListTasksCommand', () => {
-	let consoleLogSpy: any;
-	let mockTmCore: Partial<TmCore>;
-
-	beforeEach(() => {
-		consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
-
-		mockTmCore = {
-			tasks: {
-				list: vi.fn().mockResolvedValue({
-					tasks: [{ id: '1', title: 'Test Task', status: 'pending' }],
-					total: 1,
-					filtered: 1,
-					storageType: 'json'
-				}),
-				getStorageType: vi.fn().mockReturnValue('json')
-			} as any,
-			config: {
-				getActiveTag: vi.fn().mockReturnValue('master')
-			} as any
-		};
-	});
-
-	afterEach(() => {
-		vi.clearAllMocks();
-		consoleLogSpy.mockRestore();
-	});
-
-	describe('JSON output format', () => {
-		it('should use JSON format when --json flag is set', async () => {
-			const command = new ListTasksCommand();
-
-			// Mock the tmCore initialization
-			(command as any).tmCore = mockTmCore;
-
-			// Execute with --json flag
-			await (command as any).executeCommand({
-				json: true,
-				format: 'text' // Should be overridden by --json
-			});
-
-			// Verify JSON output was called
-			expect(consoleLogSpy).toHaveBeenCalled();
-			const output = consoleLogSpy.mock.calls[0][0];
-
-			// Should be valid JSON
-			expect(() => JSON.parse(output)).not.toThrow();
-
-			const parsed = JSON.parse(output);
-			expect(parsed).toHaveProperty('tasks');
-			expect(parsed).toHaveProperty('metadata');
-		});
-
-		it('should override --format when --json is set', async () => {
-			const command = new ListTasksCommand();
-			(command as any).tmCore = mockTmCore;
-
-			await (command as any).executeCommand({
-				json: true,
-				format: 'compact' // Should be overridden
-			});
-
-			// Should output JSON, not compact format
-			const output = consoleLogSpy.mock.calls[0][0];
-			expect(() => JSON.parse(output)).not.toThrow();
-		});
-
-		it('should use specified format when --json is not set', async () => {
-			const command = new ListTasksCommand();
-			(command as any).tmCore = mockTmCore;
-
-			await (command as any).executeCommand({
-				format: 'compact'
-			});
-
-			// Should use compact format (not JSON)
-			const output = consoleLogSpy.mock.calls;
-			// In compact mode, output is not JSON
-			expect(output.length).toBeGreaterThan(0);
-		});
-
-		it('should default to text format when neither flag is set', async () => {
-			const command = new ListTasksCommand();
-			(command as any).tmCore = mockTmCore;
-
-			await (command as any).executeCommand({});
-
-			// Should use text format (not JSON)
-			// If any console.log was called, verify it's not JSON
-			if (consoleLogSpy.mock.calls.length > 0) {
-				const output = consoleLogSpy.mock.calls[0][0];
-				// Text format output should not be parseable JSON
-				// or should be the table string we mocked
-				expect(
-					output === 'Table output' ||
-						(() => {
-							try {
-								JSON.parse(output);
-								return false;
-							} catch {
-								return true;
-							}
-						})()
-				).toBe(true);
-			}
-		});
-	});
-
-	describe('format validation', () => {
-		it('should accept valid formats', () => {
-			const command = new ListTasksCommand();
-
-			expect((command as any).validateOptions({ format: 'text' })).toBe(true);
-			expect((command as any).validateOptions({ format: 'json' })).toBe(true);
-			expect((command as any).validateOptions({ format: 'compact' })).toBe(
-				true
-			);
-		});
-
-		it('should reject invalid formats', () => {
-			const consoleErrorSpy = vi
-				.spyOn(console, 'error')
-				.mockImplementation(() => {});
-			const command = new ListTasksCommand();
-
-			expect((command as any).validateOptions({ format: 'invalid' })).toBe(
-				false
-			);
-			expect(consoleErrorSpy).toHaveBeenCalledWith(
-				expect.stringContaining('Invalid format: invalid')
-			);
-
-			consoleErrorSpy.mockRestore();
-		});
-	});
-});
--- a/apps/cli/tests/unit/commands/show.command.spec.ts
+++ b/apps/cli/tests/unit/commands/show.command.spec.ts
@@ -5,10 +5,14 @@
 import type { TmCore } from '@tm/core';
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';

-// Mock dependencies
-vi.mock('@tm/core', () => ({
+// Mock dependencies - use partial mock to keep TaskIdSchema and other exports
+vi.mock('@tm/core', async (importOriginal) => {
+	const actual = await importOriginal<typeof import('@tm/core')>();
+	return {
+		...actual,
 		createTmCore: vi.fn()
-}));
+	};
+});

 vi.mock('../../../src/utils/project-root.js', () => ({
 	getProjectRoot: vi.fn((path?: string) => path || '/test/project')
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "task-master-ai",
-	"version": "0.41.0",
+	"version": "0.40.1",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "task-master-ai",
-			"version": "0.41.0",
+			"version": "0.40.1",
 			"license": "MIT WITH Commons-Clause",
 			"workspaces": [
 				"apps/*",
--- a/packages/tm-core/src/index.ts
+++ b/packages/tm-core/src/index.ts
@@ -204,6 +204,17 @@ export {
 	type GenerateTaskFilesResult
 } from './modules/tasks/services/task-file-generator.service.js';

+// Task filtering utilities
+export {
+	buildBlocksMap,
+	filterReadyTasks,
+	filterBlockingTasks,
+	ACTIONABLE_STATUSES,
+	type TaskWithBlocks,
+	type InvalidDependency,
+	type BuildBlocksMapResult
+} from './modules/tasks/utils/index.js';
+
 // Integration - Advanced
 export {
 	ExportService,
--- a/packages/tm-core/src/modules/tasks/utils/index.ts
+++ b/packages/tm-core/src/modules/tasks/utils/index.ts
@@ -0,0 +1,6 @@
+/**
+ * @fileoverview Task utility exports
+ * Re-exports task filtering and analysis utilities
+ */
+
+export * from './task-filters.js';
--- a/packages/tm-core/src/modules/tasks/utils/task-filters.ts
+++ b/packages/tm-core/src/modules/tasks/utils/task-filters.ts
@@ -0,0 +1,168 @@
+/**
+ * @fileoverview Task filtering utilities for dependency and readiness analysis
+ * Business logic for filtering tasks by actionable status, dependencies, and blocking relationships
+ */
+
+import type { Task, TaskStatus } from '../../../common/types/index.js';
+import {
+	TASK_STATUSES,
+	isTaskComplete
+} from '../../../common/constants/index.js';
+import { getLogger } from '../../../common/logger/index.js';
+
+const logger = getLogger('TaskFilters');
+
+/**
+ * Task with blocks field (inverse of dependencies)
+ * A task's blocks array contains IDs of tasks that depend on it
+ */
+export type TaskWithBlocks = Task & { blocks: string[] };
+
+/**
+ * Statuses that are actionable (not deferred, blocked, or terminal)
+ * Tasks with these statuses can be worked on when dependencies are satisfied
+ */
+export const ACTIONABLE_STATUSES: readonly TaskStatus[] = [
+	'pending',
+	'in-progress',
+	'review'
+] as const;
+
+/**
+ * Invalid dependency reference (task depends on non-existent task)
+ */
+export interface InvalidDependency {
+	/** ID of the task with the invalid dependency */
+	taskId: string;
+	/** ID of the non-existent dependency */
+	depId: string;
+}
+
+/**
+ * Result of building the blocks map with validation information
+ */
+export interface BuildBlocksMapResult {
+	/** Map of task ID -> array of task IDs that depend on it */
+	blocksMap: Map<string, string[]>;
+	/** Array of invalid dependency references (dependencies to non-existent tasks) */
+	invalidDependencies: InvalidDependency[];
+}
+
+/**
+ * Build a map of task ID -> array of task IDs that depend on it (blocks)
+ * This is the inverse of the dependencies relationship
+ *
+ * Also validates dependencies and returns any references to non-existent tasks.
+ *
+ * @param tasks - Array of tasks to analyze
+ * @returns Object containing the blocks map and any invalid dependency references
+ *
+ * @example
+ * ```typescript
+ * const tasks = [
+ *   { id: '1', dependencies: [] },
+ *   { id: '2', dependencies: ['1'] },
+ *   { id: '3', dependencies: ['1', '2'] }
+ * ];
+ * const { blocksMap, invalidDependencies } = buildBlocksMap(tasks);
+ * // blocksMap.get('1') => ['2', '3']  // Task 1 blocks tasks 2 and 3
+ * // blocksMap.get('2') => ['3']       // Task 2 blocks task 3
+ * // blocksMap.get('3') => []          // Task 3 blocks nothing
+ * // invalidDependencies => []         // No invalid deps in this example
+ * ```
+ */
+export function buildBlocksMap(tasks: Task[]): BuildBlocksMapResult {
+	const blocksMap = new Map<string, string[]>(
+		tasks.map((task) => [String(task.id), []])
+	);
+	const invalidDependencies: InvalidDependency[] = [];
+
+	// For each task, add it to the blocks list of each of its dependencies
+	for (const task of tasks) {
+		for (const depId of task.dependencies ?? []) {
+			const depIdStr = String(depId);
+			const blocks = blocksMap.get(depIdStr);
+			if (blocks) {
+				blocks.push(String(task.id));
+			} else {
+				// Dependency references a non-existent task
+				invalidDependencies.push({
+					taskId: String(task.id),
+					depId: depIdStr
+				});
+			}
+		}
+	}
+
+	return { blocksMap, invalidDependencies };
+}
+
+/**
+ * Filter to only tasks that are ready to work on
+ * A task is ready when:
+ * 1. It has an actionable status (pending, in-progress, or review)
+ * 2. All its dependencies are complete (done, completed, or cancelled)
+ *
+ * @param tasks - Array of tasks with blocks information
+ * @returns Filtered array of tasks that are ready to work on
+ *
+ * @example
+ * ```typescript
+ * const tasks = [
+ *   { id: '1', status: 'done', dependencies: [], blocks: ['2'] },
+ *   { id: '2', status: 'pending', dependencies: ['1'], blocks: [] },
+ *   { id: '3', status: 'pending', dependencies: ['2'], blocks: [] }
+ * ];
+ * const readyTasks = filterReadyTasks(tasks);
+ * // Returns only task 2: status is actionable and dependency '1' is done
+ * // Task 3 is not ready because dependency '2' is still pending
+ * ```
+ */
+export function filterReadyTasks(tasks: TaskWithBlocks[]): TaskWithBlocks[] {
+	// Build set of completed task IDs for dependency checking
+	const completedIds = new Set<string>(
+		tasks.filter((t) => isTaskComplete(t.status)).map((t) => String(t.id))
+	);
+
+	return tasks.filter((task) => {
+		// Validate status is a known value
+		if (!TASK_STATUSES.includes(task.status)) {
+			logger.warn(
+				`Task ${task.id} has unexpected status "${task.status}". Valid statuses are: ${TASK_STATUSES.join(', ')}`
+			);
+		}
+
+		// Must be in an actionable status (excludes deferred, blocked, done, cancelled)
+		if (!ACTIONABLE_STATUSES.includes(task.status)) {
+			return false;
+		}
+
+		// Ready if no dependencies or all dependencies are completed
+		const deps = task.dependencies ?? [];
+		return deps.every((depId) => completedIds.has(String(depId)));
+	});
+}
+
+/**
+ * Filter to only tasks that block other tasks
+ * These are tasks that have at least one other task depending on them
+ *
+ * @param tasks - Array of tasks with blocks information
+ * @returns Filtered array of tasks that have dependents (block other tasks)
+ *
+ * @example
+ * ```typescript
+ * const tasks = [
+ *   { id: '1', blocks: ['2', '3'] },  // Blocks tasks 2 and 3
+ *   { id: '2', blocks: [] },          // Blocks nothing
+ *   { id: '3', blocks: [] }           // Blocks nothing
+ * ];
+ * const blockingTasks = filterBlockingTasks(tasks);
+ * // Returns only task 1 (the only task with non-empty blocks)
+ * ```
+ */
+export function filterBlockingTasks(
+	tasks: TaskWithBlocks[]
+): TaskWithBlocks[] {
+	return tasks.filter((task) => task.blocks.length > 0);
+}
--- a/scripts/modules/task-manager/tag-management.js
+++ b/scripts/modules/task-manager/tag-management.js
@@ -10,6 +10,7 @@ import {
 	tryListTagsViaRemote,
 	tryUseTagViaRemote
 } from '@tm/bridge';
+import { filterReadyTasks, isTaskComplete } from '@tm/core';
 import { displayBanner, getStatusWithColor } from '../ui.js';
 import {
 	findProjectRoot,
@@ -531,6 +532,7 @@ async function enhanceTagsWithMetadata(tasksPath, rawData, context = {}) {
 * @param {Object} options - Options object
 * @param {boolean} [options.showTaskCounts=true] - Whether to show task counts
 * @param {boolean} [options.showMetadata=false] - Whether to show metadata
+ * @param {boolean} [options.ready=false] - Whether to filter to only tags with ready tasks
 * @param {Object} context - Context object containing session and projectRoot
 * @param {string} [context.projectRoot] - Project root path
 * @param {Object} [context.mcpLog] - MCP logger object (optional)
@@ -544,7 +546,11 @@ async function tags(
 	outputFormat = 'text'
 ) {
 	const { mcpLog, projectRoot } = context;
-	const { showTaskCounts = true, showMetadata = false } = options;
+	const {
+		showTaskCounts = true,
+		showMetadata = false,
+		ready = false
+	} = options;

 	// Create a consistent logFn object regardless of context
 	const logFn = mcpLog || {
@@ -619,12 +625,16 @@ async function tags(
 			const tasks = tagData.tasks || [];
 			const metadata = tagData.metadata || {};

+			// Use centralized filtering from @tm/core
+			// Note: filterReadyTasks expects TaskWithBlocks[] but only uses status/dependencies at runtime
+			const tasksWithBlocks = tasks.map((t) => ({ ...t, blocks: [] }));
+			const readyTasks = filterReadyTasks(tasksWithBlocks);
+
 			tagList.push({
 				name: tagName,
 				isCurrent: tagName === currentTag,
-				completedTasks: tasks.filter(
-					(t) => t.status === 'done' || t.status === 'completed'
-				).length,
+				completedTasks: tasks.filter((t) => isTaskComplete(t.status)).length,
+				readyTasks: readyTasks.length,
 				tasks: tasks || [],
 				created: metadata.created || 'Unknown',
 				description: metadata.description || 'No description'
@@ -638,22 +648,32 @@ async function tags(
 			return a.name.localeCompare(b.name);
 		});

-		logFn.success(`Found ${tagList.length} tags`);
+		// Filter to only tags with ready tasks if --ready flag is set
+		let filteredTagList = tagList;
+		if (ready) {
+			filteredTagList = tagList.filter((tag) => tag.readyTasks > 0);
+			logFn.info(`Filtered to ${filteredTagList.length} tags with ready tasks`);
+		}
+
+		logFn.success(`Found ${filteredTagList.length} tags`);

 		// For JSON output, return structured data
 		if (outputFormat === 'json') {
 			return {
-				tags: tagList,
+				tags: filteredTagList,
 				currentTag,
-				totalTags: tagList.length
+				totalTags: filteredTagList.length
 			};
 		}

 		// For text output, display formatted table
 		if (outputFormat === 'text') {
-			if (tagList.length === 0) {
+			if (filteredTagList.length === 0) {
+				const message = ready
+					? 'No tags with ready tasks found'
+					: 'No tags found';
 				console.log(
-					boxen(chalk.yellow('No tags found'), {
+					boxen(chalk.yellow(message), {
 						padding: 1,
 						borderColor: 'yellow',
 						borderStyle: 'round',
@@ -667,7 +687,8 @@ async function tags(
 			const headers = [chalk.cyan.bold('Tag Name')];
 			if (showTaskCounts) {
 				headers.push(chalk.cyan.bold('Tasks'));
-				headers.push(chalk.cyan.bold('Completed'));
+				headers.push(chalk.cyan.bold('Ready'));
+				headers.push(chalk.cyan.bold('Done'));
 			}
 			if (showMetadata) {
 				headers.push(chalk.cyan.bold('Created'));
@@ -680,16 +701,16 @@ async function tags(

 			let colWidths;
 			if (showMetadata) {
-				// With metadata: Tag Name, Tasks, Completed, Created, Description
-				const widths = [0.25, 0.1, 0.12, 0.15, 0.38];
+				// With metadata: Tag Name, Tasks, Ready, Done, Created, Description
+				const widths = [0.22, 0.08, 0.08, 0.08, 0.14, 0.38];
 				colWidths = widths.map((w, i) =>
-					Math.max(Math.floor(usableWidth * w), i === 0 ? 15 : 8)
+					Math.max(Math.floor(usableWidth * w), i === 0 ? 15 : 6)
 				);
 			} else {
-				// Without metadata: Tag Name, Tasks, Completed
-				const widths = [0.7, 0.15, 0.15];
+				// Without metadata: Tag Name, Tasks, Ready, Done
+				const widths = [0.6, 0.13, 0.13, 0.13];
 				colWidths = widths.map((w, i) =>
-					Math.max(Math.floor(usableWidth * w), i === 0 ? 20 : 10)
+					Math.max(Math.floor(usableWidth * w), i === 0 ? 20 : 8)
 				);
 			}

@@ -700,7 +721,7 @@ async function tags(
 			});

 			// Add rows
-			tagList.forEach((tag) => {
+			filteredTagList.forEach((tag) => {
 				const row = [];

 				// Tag name with current indicator
@@ -711,6 +732,11 @@ async function tags(

 				if (showTaskCounts) {
 					row.push(chalk.white(tag.tasks.length.toString()));
+					row.push(
+						tag.readyTasks > 0
+							? chalk.yellow(tag.readyTasks.toString())
+							: chalk.gray('0')
+					);
 					row.push(chalk.green(tag.completedTasks.toString()));
 				}

@@ -743,9 +769,9 @@ async function tags(
 		}

 		return {
-			tags: tagList,
+			tags: filteredTagList,
 			currentTag,
-			totalTags: tagList.length
+			totalTags: filteredTagList.length
 		};
 	} catch (error) {
 		logFn.error(`Error listing tags: ${error.message}`);
--- a/tests/unit/task-manager/tag-management.test.js
+++ b/tests/unit/task-manager/tag-management.test.js
@@ -113,3 +113,180 @@ describe('Tag Management – writeJSON context preservation', () => {
 		expect(tagNames).not.toContain('copy');
 	});
 });
+
+describe('Tag Management – ready tasks count', () => {
+	beforeEach(() => {
+		fs.mkdirSync(TEMP_DIR, { recursive: true });
+	});
+
+	afterEach(() => {
+		fs.rmSync(TEMP_DIR, { recursive: true, force: true });
+	});
+
+	it('should count tasks with no dependencies as ready', async () => {
+		const data = {
+			master: {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'pending', dependencies: [] },
+					{ id: 2, title: 'Task 2', status: 'pending', dependencies: [] },
+					{ id: 3, title: 'Task 3', status: 'done', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		const masterTag = result.tags.find((t) => t.name === 'master');
+		expect(masterTag.readyTasks).toBe(2); // 2 pending, 1 done (not ready)
+	});
+
+	it('should count tasks with satisfied dependencies as ready', async () => {
+		const data = {
+			master: {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'done', dependencies: [] },
+					{ id: 2, title: 'Task 2', status: 'pending', dependencies: [1] }, // deps satisfied
+					{ id: 3, title: 'Task 3', status: 'pending', dependencies: [2] } // deps NOT satisfied
+				],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		const masterTag = result.tags.find((t) => t.name === 'master');
+		expect(masterTag.readyTasks).toBe(1); // only task 2 is ready
+	});
+
+	it('should exclude deferred and blocked tasks from ready count', async () => {
+		const data = {
+			master: {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'pending', dependencies: [] },
+					{ id: 2, title: 'Task 2', status: 'deferred', dependencies: [] },
+					{ id: 3, title: 'Task 3', status: 'blocked', dependencies: [] },
+					{ id: 4, title: 'Task 4', status: 'in-progress', dependencies: [] },
+					{ id: 5, title: 'Task 5', status: 'review', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		const masterTag = result.tags.find((t) => t.name === 'master');
+		// Only pending, in-progress, review are actionable
+		expect(masterTag.readyTasks).toBe(3); // tasks 1, 4, 5
+	});
+});
+
+describe('Tag Management – --ready filter', () => {
+	beforeEach(() => {
+		fs.mkdirSync(TEMP_DIR, { recursive: true });
+	});
+
+	afterEach(() => {
+		fs.rmSync(TEMP_DIR, { recursive: true, force: true });
+	});
+
+	it('should filter out tags with no ready tasks when --ready is set', async () => {
+		const data = {
+			'has-ready': {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'pending', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			},
+			'no-ready': {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'done', dependencies: [] },
+					{ id: 2, title: 'Task 2', status: 'deferred', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			},
+			'all-blocked': {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'blocked', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true, ready: true },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		expect(result.tags.length).toBe(1);
+		expect(result.tags[0].name).toBe('has-ready');
+		expect(result.totalTags).toBe(1);
+	});
+
+	it('should include all tags when --ready is not set', async () => {
+		const data = {
+			'has-ready': {
+				tasks: [
+					{ id: 1, title: 'Task 1', status: 'pending', dependencies: [] }
+				],
+				metadata: { created: new Date().toISOString() }
+			},
+			'no-ready': {
+				tasks: [{ id: 1, title: 'Task 1', status: 'done', dependencies: [] }],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true, ready: false },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		expect(result.tags.length).toBe(2);
+		expect(result.totalTags).toBe(2);
+	});
+
+	it('should return empty list when no tags have ready tasks', async () => {
+		const data = {
+			'all-done': {
+				tasks: [{ id: 1, title: 'Task 1', status: 'done', dependencies: [] }],
+				metadata: { created: new Date().toISOString() }
+			}
+		};
+		fs.writeFileSync(TASKS_PATH, JSON.stringify(data, null, 2));
+
+		const result = await listTags(
+			TASKS_PATH,
+			{ showTaskCounts: true, ready: true },
+			{ projectRoot: TEMP_DIR },
+			'json'
+		);
+
+		expect(result.tags.length).toBe(0);
+		expect(result.totalTags).toBe(0);
+	});
+});