second-opinion/index.js

Get a second opinion on your code from AI - MCP tool for Cursor IDE

#!/usr/bin/env node

const { execSync } = require('child_process');
const fs = require('fs');
const os = require('os');
const path = require('path');

console.log('🤔 Second Opinion - AI Code Review Installer');
console.log('Setting up MCP integration for Cursor...');
console.log('');

async function install() {
  try {
    // Generate trial token
    console.log('📝 Generating trial token (5 free credits)...');
    
    const response = await fetch('http://localhost:3000/api/auth/trial-token', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' }
    });
    
    if (!response.ok) {
      if (response.status === 429) {
        console.log('❌ Trial already claimed from this IP address!');
        console.log('💡 Ready to subscribe? Visit: http://localhost:3000/pricing');
        return;
      }
      throw new Error(`Failed to generate trial token: ${response.status}`);
    }
    
    const { trial_token } = await response.json();
    console.log(`✅ Trial token generated: ${trial_token.substring(0, 15)}...`);
    
    // Set up MCP config
    const mcpConfigPath = path.join(os.homedir(), '.cursor', 'mcp.json');
    let config = { mcpServers: {} };
    
    // Read existing config if it exists
    if (fs.existsSync(mcpConfigPath)) {
      try {
        config = JSON.parse(fs.readFileSync(mcpConfigPath, 'utf8'));
      } catch (error) {
        console.log('⚠️  Found existing MCP config but couldn\'t parse it, creating new one');
      }
    } else {
      // Create .cursor directory if it doesn't exist
      fs.mkdirSync(path.dirname(mcpConfigPath), { recursive: true });
    }
    
    // Add Second Opinion configuration
    config.mcpServers['second-opinion'] = {
      command: 'npx',
      args: ['second-opinion', 'server'],
      env: {
        SECOND_OPINION_API_URL: 'http://localhost:3000/api/second-opinion',
        TRIAL_TOKEN: trial_token
      }
    };
    
    // Write config back
    fs.writeFileSync(mcpConfigPath, JSON.stringify(config, null, 2));
    console.log(`✅ MCP configuration updated: ${mcpConfigPath}`);
    
    console.log('');
    console.log('🎉 Second Opinion installed successfully!');
    console.log('');
    console.log('🆓 Trial Mode Active:');
    console.log('   • You have 5 free credits to try Second Opinion');
    console.log('   • No signup required - start using immediately!');
    console.log('   • When credits run out, you\'ll be prompted to upgrade');
    console.log('');
    console.log('📋 Next steps:');
    console.log('   1. Restart Cursor');
    console.log('   2. Look for \'second-opinion\' in your available tools');
    console.log('   3. Try asking for a second opinion on any code');
    console.log('');
    console.log('🌍 Global Installation:');
    console.log('   • Works in ALL Cursor projects automatically!');
    
  } catch (error) {
    console.error('❌ Installation failed:', error.message);
    console.log('');
    console.log('💡 Troubleshooting:');
    console.log('   • Make sure you have internet connection');
    console.log('   • Visit https://secondopinion.codes for help');
  }
}

// Check command line arguments
const args = process.argv.slice(2);

if (args.includes('server')) {
  // This is the MCP server mode
  require('./server.js');
} else {
  // This is the installer mode
  install();
}