YouTube Transcript DL MCP Server

// TDD Test: Verify youtube-captions-scraper is not needed // This test MUST FAIL first to prove we need to remove the dependency import { describe, it, expect } from '@jest/globals'; import { readFileSync, existsSync } from 'fs'; import { join, dirname } from 'path'; import { fileURLToPath } from 'url'; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); const projectRoot = join(__dirname, '..'); describe('Dependency Management', () => { it('should NOT include youtube-captions-scraper in package.json', () => { // This test verifies we don't have unused dependencies const packageJsonPath = join(projectRoot, 'package.json'); const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8')); const allDeps = { ...packageJson.dependencies, ...packageJson.devDependencies, ...packageJson.peerDependencies }; // youtube-captions-scraper should NOT be in any dependency list expect(allDeps).not.toHaveProperty('youtube-captions-scraper'); expect(Object.keys(allDeps)).not.toContain('youtube-captions-scraper'); }); it('should only include dependencies that are actually used', () => { // Read all source files and check imports const packageJsonPath = join(projectRoot, 'package.json'); const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8')); // These are the expected dependencies based on actual usage const expectedDeps = [ '@modelcontextprotocol/sdk', '@types/node', 'commander', 'cors', 'express', 'express-rate-limit', 'helmet', 'node-cache', 'uuid', 'winston', 'zod' ]; // Check that we only have dependencies we actually use if (packageJson.dependencies) { Object.keys(packageJson.dependencies).forEach(dep => { expect(expectedDeps).toContain(dep); }); } }); it('should have all required dependencies for MCP server', () => { const packageJsonPath = join(projectRoot, 'package.json'); const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8')); // Verify we have the MCP SDK dependency expect(packageJson.dependencies).toHaveProperty('@modelcontextprotocol/sdk'); // Verify we have necessary dependencies (no longer need youtube-transcript as we use Python API) expect(packageJson.dependencies).toHaveProperty('@modelcontextprotocol/sdk'); }); it('should not have conflicting or duplicate functionality packages', () => { const packageJsonPath = join(projectRoot, 'package.json'); const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8')); const allDeps = { ...packageJson.dependencies, ...packageJson.devDependencies }; // Should not have both youtube-transcript and youtube-captions-scraper const transcriptPackages = Object.keys(allDeps).filter(dep => dep.includes('youtube') && (dep.includes('transcript') || dep.includes('caption')) ); // We should have no Node.js transcript packages since we use Python API expect(transcriptPackages).toEqual([]); }); });