feat: Add Amp rule profile with AGENT.md and MCP config (#973)

* Amp profile + tests

* generatlize to Agent instead of Claude Code to support any agent

* add changeset

* unnecessary tab formatting

* fix exports

* fix formatting

tests/integration/profiles/amp-init-functionality.test.js

@@ -0,0 +1,346 @@
+import { jest } from '@jest/globals';
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { getRulesProfile } from '../../../src/utils/rule-transformer.js';
+import { convertAllRulesToProfileRules } from '../../../src/utils/rule-transformer.js';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+describe('Amp Profile Init Functionality', () => {
+	let tempDir;
+	let ampProfile;
+
+	beforeEach(() => {
+		// Create temporary directory for testing
+		tempDir = fs.mkdtempSync(path.join(__dirname, 'temp-amp-'));
+
+		// Get the Amp profile
+		ampProfile = getRulesProfile('amp');
+	});
+
+	afterEach(() => {
+		// Clean up temporary directory
+		if (fs.existsSync(tempDir)) {
+			fs.rmSync(tempDir, { recursive: true, force: true });
+		}
+	});
+
+	describe('Profile Configuration', () => {
+		test('should have correct profile metadata', () => {
+			expect(ampProfile).toBeDefined();
+			expect(ampProfile.profileName).toBe('amp');
+			expect(ampProfile.displayName).toBe('Amp');
+			expect(ampProfile.profileDir).toBe('.vscode');
+			expect(ampProfile.rulesDir).toBe('.');
+			expect(ampProfile.mcpConfig).toBe(true);
+			expect(ampProfile.mcpConfigName).toBe('settings.json');
+			expect(ampProfile.mcpConfigPath).toBe('.vscode/settings.json');
+			expect(ampProfile.includeDefaultRules).toBe(false);
+		});
+
+		test('should have correct file mapping', () => {
+			expect(ampProfile.fileMap).toBeDefined();
+			expect(ampProfile.fileMap['AGENTS.md']).toBe('.taskmaster/AGENT.md');
+		});
+
+		test('should have lifecycle functions', () => {
+			expect(typeof ampProfile.onAddRulesProfile).toBe('function');
+			expect(typeof ampProfile.onRemoveRulesProfile).toBe('function');
+			expect(typeof ampProfile.onPostConvertRulesProfile).toBe('function');
+		});
+	});
+
+	describe('AGENT.md Handling', () => {
+		test('should create AGENT.md with import when none exists', () => {
+			// Create mock AGENTS.md source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, assetsDir);
+
+			// Check that AGENT.md was created with import
+			const agentFile = path.join(tempDir, 'AGENT.md');
+			expect(fs.existsSync(agentFile)).toBe(true);
+
+			const content = fs.readFileSync(agentFile, 'utf8');
+			expect(content).toContain('# Amp Instructions');
+			expect(content).toContain('## Task Master AI Instructions');
+			expect(content).toContain('@./.taskmaster/AGENT.md');
+
+			// Check that .taskmaster/AGENT.md was created
+			const taskMasterAgent = path.join(tempDir, '.taskmaster', 'AGENT.md');
+			expect(fs.existsSync(taskMasterAgent)).toBe(true);
+		});
+
+		test('should append import to existing AGENT.md', () => {
+			// Create existing AGENT.md
+			const existingContent =
+				'# My Existing Amp Instructions\n\nSome content here.';
+			fs.writeFileSync(path.join(tempDir, 'AGENT.md'), existingContent);
+
+			// Create mock AGENTS.md source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, assetsDir);
+
+			// Check that import was appended
+			const agentFile = path.join(tempDir, 'AGENT.md');
+			const content = fs.readFileSync(agentFile, 'utf8');
+			expect(content).toContain('# My Existing Amp Instructions');
+			expect(content).toContain('Some content here.');
+			expect(content).toContain('## Task Master AI Instructions');
+			expect(content).toContain('@./.taskmaster/AGENT.md');
+		});
+
+		test('should not duplicate import if already exists', () => {
+			// Create AGENT.md with existing import
+			const existingContent =
+				"# My Amp Instructions\n\n## Task Master AI Instructions\n**Import Task Master's development workflow commands and guidelines, treat as if import is in the main AGENT.md file.**\n@./.taskmaster/AGENT.md";
+			fs.writeFileSync(path.join(tempDir, 'AGENT.md'), existingContent);
+
+			// Create mock AGENTS.md source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, assetsDir);
+
+			// Check that import was not duplicated
+			const agentFile = path.join(tempDir, 'AGENT.md');
+			const content = fs.readFileSync(agentFile, 'utf8');
+			const importCount = (content.match(/@\.\/.taskmaster\/AGENT\.md/g) || [])
+				.length;
+			expect(importCount).toBe(1);
+		});
+	});
+
+	describe('MCP Configuration', () => {
+		test('should rename mcpServers to amp.mcpServers', () => {
+			// Create .vscode directory and settings.json with mcpServers
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				mcpServers: {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				}
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Call onPostConvertRulesProfile (which should transform mcpServers to amp.mcpServers)
+			ampProfile.onPostConvertRulesProfile(
+				tempDir,
+				path.join(tempDir, 'assets')
+			);
+
+			// Check that mcpServers was renamed to amp.mcpServers
+			const settingsFile = path.join(vscodeDirPath, 'settings.json');
+			const content = fs.readFileSync(settingsFile, 'utf8');
+			const config = JSON.parse(content);
+
+			expect(config.mcpServers).toBeUndefined();
+			expect(config['amp.mcpServers']).toBeDefined();
+			expect(config['amp.mcpServers']['task-master-ai']).toBeDefined();
+		});
+
+		test('should not rename if amp.mcpServers already exists', () => {
+			// Create .vscode directory and settings.json with both mcpServers and amp.mcpServers
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				mcpServers: {
+					'some-other-server': {
+						command: 'other-command'
+					}
+				},
+				'amp.mcpServers': {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				}
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, path.join(tempDir, 'assets'));
+
+			// Check that both sections remain unchanged
+			const settingsFile = path.join(vscodeDirPath, 'settings.json');
+			const content = fs.readFileSync(settingsFile, 'utf8');
+			const config = JSON.parse(content);
+
+			expect(config.mcpServers).toBeDefined();
+			expect(config.mcpServers['some-other-server']).toBeDefined();
+			expect(config['amp.mcpServers']).toBeDefined();
+			expect(config['amp.mcpServers']['task-master-ai']).toBeDefined();
+		});
+	});
+
+	describe('Removal Functionality', () => {
+		test('should remove AGENT.md import and clean up files', () => {
+			// Setup: Create AGENT.md with import and .taskmaster/AGENT.md
+			const agentContent =
+				"# My Amp Instructions\n\nSome content.\n\n## Task Master AI Instructions\n**Import Task Master's development workflow commands and guidelines, treat as if import is in the main AGENT.md file.**\n@./.taskmaster/AGENT.md\n";
+			fs.writeFileSync(path.join(tempDir, 'AGENT.md'), agentContent);
+
+			fs.mkdirSync(path.join(tempDir, '.taskmaster'), { recursive: true });
+			fs.writeFileSync(
+				path.join(tempDir, '.taskmaster', 'AGENT.md'),
+				'Task Master instructions'
+			);
+
+			// Call onRemoveRulesProfile
+			ampProfile.onRemoveRulesProfile(tempDir);
+
+			// Check that .taskmaster/AGENT.md was removed
+			expect(fs.existsSync(path.join(tempDir, '.taskmaster', 'AGENT.md'))).toBe(
+				false
+			);
+
+			// Check that import was removed from AGENT.md
+			const remainingContent = fs.readFileSync(
+				path.join(tempDir, 'AGENT.md'),
+				'utf8'
+			);
+			expect(remainingContent).not.toContain('## Task Master AI Instructions');
+			expect(remainingContent).not.toContain('@./.taskmaster/AGENT.md');
+			expect(remainingContent).toContain('# My Amp Instructions');
+			expect(remainingContent).toContain('Some content.');
+		});
+
+		test('should remove empty AGENT.md if only contained import', () => {
+			// Setup: Create AGENT.md with only import
+			const agentContent =
+				"# Amp Instructions\n\n## Task Master AI Instructions\n**Import Task Master's development workflow commands and guidelines, treat as if import is in the main AGENT.md file.**\n@./.taskmaster/AGENT.md";
+			fs.writeFileSync(path.join(tempDir, 'AGENT.md'), agentContent);
+
+			fs.mkdirSync(path.join(tempDir, '.taskmaster'), { recursive: true });
+			fs.writeFileSync(
+				path.join(tempDir, '.taskmaster', 'AGENT.md'),
+				'Task Master instructions'
+			);
+
+			// Call onRemoveRulesProfile
+			ampProfile.onRemoveRulesProfile(tempDir);
+
+			// Check that AGENT.md was removed
+			expect(fs.existsSync(path.join(tempDir, 'AGENT.md'))).toBe(false);
+		});
+
+		test('should remove amp.mcpServers section from settings.json', () => {
+			// Setup: Create .vscode/settings.json with amp.mcpServers and other settings
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				'amp.mcpServers': {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				},
+				'other.setting': 'value'
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Call onRemoveRulesProfile
+			ampProfile.onRemoveRulesProfile(tempDir);
+
+			// Check that amp.mcpServers was removed but other settings remain
+			const settingsFile = path.join(vscodeDirPath, 'settings.json');
+			expect(fs.existsSync(settingsFile)).toBe(true);
+
+			const content = fs.readFileSync(settingsFile, 'utf8');
+			const config = JSON.parse(content);
+
+			expect(config['amp.mcpServers']).toBeUndefined();
+			expect(config['other.setting']).toBe('value');
+		});
+
+		test('should remove settings.json and .vscode directory if empty after removal', () => {
+			// Setup: Create .vscode/settings.json with only amp.mcpServers
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				'amp.mcpServers': {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				}
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Call onRemoveRulesProfile
+			ampProfile.onRemoveRulesProfile(tempDir);
+
+			// Check that settings.json and .vscode directory were removed
+			expect(fs.existsSync(path.join(vscodeDirPath, 'settings.json'))).toBe(
+				false
+			);
+			expect(fs.existsSync(vscodeDirPath)).toBe(false);
+		});
+	});
+
+	describe('Full Integration', () => {
+		test('should work with convertAllRulesToProfileRules', () => {
+			// This test ensures the profile works with the full rule transformer
+			const result = convertAllRulesToProfileRules(tempDir, ampProfile);
+
+			expect(result.success).toBeGreaterThan(0);
+			expect(result.failed).toBe(0);
+
+			// Check that .taskmaster/AGENT.md was created
+			expect(fs.existsSync(path.join(tempDir, '.taskmaster', 'AGENT.md'))).toBe(
+				true
+			);
+
+			// Check that AGENT.md was created with import
+			expect(fs.existsSync(path.join(tempDir, 'AGENT.md'))).toBe(true);
+			const agentContent = fs.readFileSync(
+				path.join(tempDir, 'AGENT.md'),
+				'utf8'
+			);
+			expect(agentContent).toContain('@./.taskmaster/AGENT.md');
+		});
+	});
+});

tests/unit/profiles/amp-integration.test.js

@@ -0,0 +1,299 @@
+import { jest } from '@jest/globals';
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { getRulesProfile } from '../../../src/utils/rule-transformer.js';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+describe('Amp Profile Integration', () => {
+	let tempDir;
+	let ampProfile;
+
+	beforeEach(() => {
+		// Create temporary directory for testing
+		tempDir = fs.mkdtempSync(path.join(__dirname, 'temp-amp-unit-'));
+
+		// Get the Amp profile
+		ampProfile = getRulesProfile('amp');
+	});
+
+	afterEach(() => {
+		// Clean up temporary directory
+		if (fs.existsSync(tempDir)) {
+			fs.rmSync(tempDir, { recursive: true, force: true });
+		}
+	});
+
+	describe('Profile Structure', () => {
+		test('should have expected profile structure', () => {
+			expect(ampProfile).toBeDefined();
+			expect(ampProfile.profileName).toBe('amp');
+			expect(ampProfile.displayName).toBe('Amp');
+			expect(ampProfile.profileDir).toBe('.vscode');
+			expect(ampProfile.rulesDir).toBe('.');
+			expect(ampProfile.mcpConfig).toBe(true);
+			expect(ampProfile.mcpConfigName).toBe('settings.json');
+			expect(ampProfile.mcpConfigPath).toBe('.vscode/settings.json');
+			expect(ampProfile.includeDefaultRules).toBe(false);
+		});
+
+		test('should have correct file mapping', () => {
+			expect(ampProfile.fileMap).toEqual({
+				'AGENTS.md': '.taskmaster/AGENT.md'
+			});
+		});
+
+		test('should not create unnecessary directories', () => {
+			// Unlike profiles that copy entire directories, Amp should only create what's needed
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, assetsDir);
+
+			// Should only have created .taskmaster directory and AGENT.md
+			expect(fs.existsSync(path.join(tempDir, '.taskmaster'))).toBe(true);
+			expect(fs.existsSync(path.join(tempDir, 'AGENT.md'))).toBe(true);
+
+			// Should not have created any other directories (like .claude)
+			expect(fs.existsSync(path.join(tempDir, '.amp'))).toBe(false);
+			expect(fs.existsSync(path.join(tempDir, '.claude'))).toBe(false);
+		});
+	});
+
+	describe('AGENT.md Import Logic', () => {
+		test('should handle missing source file gracefully', () => {
+			// Call onAddRulesProfile without creating source file
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+
+			// Should not throw error
+			expect(() => {
+				ampProfile.onAddRulesProfile(tempDir, assetsDir);
+			}).not.toThrow();
+
+			// Should not create any files
+			expect(fs.existsSync(path.join(tempDir, 'AGENT.md'))).toBe(false);
+			expect(fs.existsSync(path.join(tempDir, '.taskmaster', 'AGENT.md'))).toBe(
+				false
+			);
+		});
+
+		test('should preserve existing content when adding import', () => {
+			// Create existing AGENT.md with specific content
+			const existingContent =
+				'# My Custom Amp Setup\n\nThis is my custom configuration.\n\n## Custom Section\n\nSome custom rules here.';
+			fs.writeFileSync(path.join(tempDir, 'AGENT.md'), existingContent);
+
+			// Create mock source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onAddRulesProfile
+			ampProfile.onAddRulesProfile(tempDir, assetsDir);
+
+			// Check that existing content is preserved
+			const updatedContent = fs.readFileSync(
+				path.join(tempDir, 'AGENT.md'),
+				'utf8'
+			);
+			expect(updatedContent).toContain('# My Custom Amp Setup');
+			expect(updatedContent).toContain('This is my custom configuration.');
+			expect(updatedContent).toContain('## Custom Section');
+			expect(updatedContent).toContain('Some custom rules here.');
+			expect(updatedContent).toContain('@./.taskmaster/AGENT.md');
+		});
+	});
+
+	describe('MCP Configuration Handling', () => {
+		test('should handle missing .vscode directory gracefully', () => {
+			// Call onAddRulesProfile without .vscode directory
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+
+			// Should not throw error
+			expect(() => {
+				ampProfile.onAddRulesProfile(tempDir, assetsDir);
+			}).not.toThrow();
+		});
+
+		test('should handle malformed JSON gracefully', () => {
+			// Create .vscode directory with malformed JSON
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				'{ malformed json'
+			);
+
+			// Should not throw error
+			expect(() => {
+				ampProfile.onAddRulesProfile(tempDir, path.join(tempDir, 'assets'));
+			}).not.toThrow();
+		});
+
+		test('should preserve other VS Code settings when renaming', () => {
+			// Create .vscode/settings.json with various settings
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				'editor.fontSize': 14,
+				'editor.tabSize': 2,
+				mcpServers: {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				},
+				'workbench.colorTheme': 'Dark+'
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Call onPostConvertRulesProfile (which handles MCP transformation)
+			ampProfile.onPostConvertRulesProfile(
+				tempDir,
+				path.join(tempDir, 'assets')
+			);
+
+			// Check that other settings are preserved
+			const settingsFile = path.join(vscodeDirPath, 'settings.json');
+			const content = fs.readFileSync(settingsFile, 'utf8');
+			const config = JSON.parse(content);
+
+			expect(config['editor.fontSize']).toBe(14);
+			expect(config['editor.tabSize']).toBe(2);
+			expect(config['workbench.colorTheme']).toBe('Dark+');
+			expect(config['amp.mcpServers']).toBeDefined();
+			expect(config.mcpServers).toBeUndefined();
+		});
+	});
+
+	describe('Removal Logic', () => {
+		test('should handle missing files gracefully during removal', () => {
+			// Should not throw error when removing non-existent files
+			expect(() => {
+				ampProfile.onRemoveRulesProfile(tempDir);
+			}).not.toThrow();
+		});
+
+		test('should handle malformed JSON gracefully during removal', () => {
+			// Create .vscode directory with malformed JSON
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				'{ malformed json'
+			);
+
+			// Should not throw error
+			expect(() => {
+				ampProfile.onRemoveRulesProfile(tempDir);
+			}).not.toThrow();
+		});
+
+		test('should preserve .vscode directory if it contains other files', () => {
+			// Create .vscode directory with amp.mcpServers and other files
+			const vscodeDirPath = path.join(tempDir, '.vscode');
+			fs.mkdirSync(vscodeDirPath, { recursive: true });
+
+			const initialConfig = {
+				'amp.mcpServers': {
+					'task-master-ai': {
+						command: 'npx',
+						args: ['-y', '--package=task-master-ai', 'task-master-ai']
+					}
+				}
+			};
+
+			fs.writeFileSync(
+				path.join(vscodeDirPath, 'settings.json'),
+				JSON.stringify(initialConfig, null, '\t')
+			);
+
+			// Create another file in .vscode
+			fs.writeFileSync(path.join(vscodeDirPath, 'launch.json'), '{}');
+
+			// Call onRemoveRulesProfile
+			ampProfile.onRemoveRulesProfile(tempDir);
+
+			// Check that .vscode directory is preserved
+			expect(fs.existsSync(vscodeDirPath)).toBe(true);
+			expect(fs.existsSync(path.join(vscodeDirPath, 'launch.json'))).toBe(true);
+		});
+	});
+
+	describe('Lifecycle Function Integration', () => {
+		test('should have all required lifecycle functions', () => {
+			expect(typeof ampProfile.onAddRulesProfile).toBe('function');
+			expect(typeof ampProfile.onRemoveRulesProfile).toBe('function');
+			expect(typeof ampProfile.onPostConvertRulesProfile).toBe('function');
+		});
+
+		test('onPostConvertRulesProfile should behave like onAddRulesProfile', () => {
+			// Create mock source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			fs.writeFileSync(
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Call onPostConvertRulesProfile
+			ampProfile.onPostConvertRulesProfile(tempDir, assetsDir);
+
+			// Should have same result as onAddRulesProfile
+			expect(fs.existsSync(path.join(tempDir, '.taskmaster', 'AGENT.md'))).toBe(
+				true
+			);
+			expect(fs.existsSync(path.join(tempDir, 'AGENT.md'))).toBe(true);
+
+			const agentContent = fs.readFileSync(
+				path.join(tempDir, 'AGENT.md'),
+				'utf8'
+			);
+			expect(agentContent).toContain('@./.taskmaster/AGENT.md');
+		});
+	});
+
+	describe('Error Handling', () => {
+		test('should handle file system errors gracefully', () => {
+			// Mock fs.writeFileSync to throw an error
+			const originalWriteFileSync = fs.writeFileSync;
+			fs.writeFileSync = jest.fn().mockImplementation(() => {
+				throw new Error('Permission denied');
+			});
+
+			// Create mock source
+			const assetsDir = path.join(tempDir, 'assets');
+			fs.mkdirSync(assetsDir, { recursive: true });
+			originalWriteFileSync.call(
+				fs,
+				path.join(assetsDir, 'AGENTS.md'),
+				'Task Master instructions'
+			);
+
+			// Should not throw error
+			expect(() => {
+				ampProfile.onAddRulesProfile(tempDir, assetsDir);
+			}).not.toThrow();
+
+			// Restore original function
+			fs.writeFileSync = originalWriteFileSync;
+		});
+	});
+});

tests/unit/profiles/mcp-config-validation.test.js

@@ -143,6 +143,8 @@ describe('MCP Configuration Validation', () => {
 			const profileDirs = new Set();
 			// Profiles that use root directory (can share the same directory)
 			const rootProfiles = ['claude', 'codex', 'gemini'];
+			// Profiles that intentionally share the same directory
+			const sharedDirectoryProfiles = ['amp', 'vscode']; // Both use .vscode
 
 			RULE_PROFILES.forEach((profileName) => {
 				const profile = getRulesProfile(profileName);
@@ -152,10 +154,18 @@ describe('MCP Configuration Validation', () => {
 					expect(profile.rulesDir).toBe('.');
 				}
 
-				// Profile directories should be unique (except for root profiles)
-				if (!rootProfiles.includes(profileName) || profile.profileDir !== '.') {
-					expect(profileDirs.has(profile.profileDir)).toBe(false);
-					profileDirs.add(profile.profileDir);
+				// Profile directories should be unique (except for root profiles and shared directory profiles)
+				if (
+					!rootProfiles.includes(profileName) &&
+					!sharedDirectoryProfiles.includes(profileName)
+				) {
+					if (profile.profileDir !== '.') {
+						expect(profileDirs.has(profile.profileDir)).toBe(false);
+						profileDirs.add(profile.profileDir);
+					}
+				} else if (sharedDirectoryProfiles.includes(profileName)) {
+					// Shared directory profiles should use .vscode
+					expect(profile.profileDir).toBe('.vscode');
 				}
 			});
 		});
@@ -307,6 +317,7 @@ describe('MCP Configuration Validation', () => {
 
 	describe('Profile structure validation', () => {
 		const mcpProfiles = [
+			'amp',
 			'cursor',
 			'gemini',
 			'roo',
@@ -315,7 +326,7 @@ describe('MCP Configuration Validation', () => {
 			'trae',
 			'vscode'
 		];
-		const profilesWithLifecycle = ['claude'];
+		const profilesWithLifecycle = ['amp', 'claude'];
 		const profilesWithoutLifecycle = ['codex'];
 
 		test.each(mcpProfiles)(

tests/unit/profiles/rule-transformer.test.js

@@ -180,6 +180,11 @@ describe('Rule Transformer - General', () => {
 
 		it('should have correct MCP configuration for each profile', () => {
 			const expectedConfigs = {
+				amp: {
+					mcpConfig: true,
+					mcpConfigName: 'settings.json',
+					expectedPath: '.vscode/settings.json'
+				},
 				claude: {
 					mcpConfig: true,
 					mcpConfigName: '.mcp.json',