sap-b1-mcp-server/bin/setup-claude-desktop.js

SAP Business One Service Layer MCP Server

#!/usr/bin/env node

import { execSync } from 'child_process';
import { readFileSync, writeFileSync, existsSync, mkdirSync } from 'fs';
import { resolve, join, dirname } from 'path';
import { fileURLToPath } from 'url';
import os from 'os';
import readline from 'readline';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

console.log('🚀 SAP B1 MCP Server - Claude Desktop Setup');
console.log('=============================================\n');

// Get package installation directory
const packageDir = resolve(__dirname, '..');
console.log(`📁 Package directory: ${packageDir}`);

// Detect OS and set config path
let configDir, configFile, osName;
if (process.platform === 'darwin') {
    configDir = join(os.homedir(), 'Library/Application Support/Claude');
    osName = 'macOS';
} else if (process.platform === 'win32') {
    configDir = join(os.homedir(), 'AppData/Roaming/Claude');
    osName = 'Windows';
} else {
    configDir = join(os.homedir(), '.config/Claude');
    osName = 'Linux';
}
configFile = join(configDir, 'claude_desktop_config.json');

console.log(`🖥️  Detected OS: ${osName}`);
console.log(`📁 Claude config directory: ${configDir}`);
console.log(`📄 Config file: ${configFile}`);

// Create Claude config directory if it doesn't exist
try {
    if (!existsSync(configDir)) {
        console.log('📁 Creating Claude config directory...');
        mkdirSync(configDir, { recursive: true });
    }
} catch (error) {
    console.error('❌ Failed to create config directory:', error.message);
    process.exit(1);
}

// Get bun path
let bunPath;
try {
    bunPath = execSync('which bun', { encoding: 'utf8' }).trim();
    console.log(`✅ Bun found at: ${bunPath}`);
} catch (error) {
    console.error('❌ Bun is not found in PATH');
    console.error('   Please install Bun: https://bun.sh');
    process.exit(1);
}

function askQuestion(question) {
    const rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout
    });
    
    return new Promise((resolve) => {
        rl.question(question, (answer) => {
            rl.close();
            resolve(answer);
        });
    });
}

async function getSAPCredentials() {
    console.log('\n🔐 SAP B1 Configuration Required');
    console.log('Please provide your SAP Business One credentials:');
    
    const serverUrl = await askQuestion('SAP B1 Server URL (e.g., https://server:50000): ');
    const database = await askQuestion('SAP B1 Database Name: ');
    const username = await askQuestion('SAP B1 Username: ');
    const password = await askQuestion('SAP B1 Password: ');
    
    return { serverUrl, database, username, password };
}

async function main() {
    try {
        const { serverUrl, database, username, password } = await getSAPCredentials();
        
        console.log('\n⚙️  Creating Claude Desktop configuration...');
        
        // Create configuration
        const config = {
            mcpServers: {
                "sap-b1": {
                    command: bunPath,
                    args: [join(packageDir, 'dist/index.js')],
                    cwd: packageDir,
                    env: {
                        MCP_TRANSPORT: "stdio",
                        SAP_B1_SERVER_URL: serverUrl,
                        SAP_B1_DATABASE: database,
                        SAP_B1_USERNAME: username,
                        SAP_B1_PASSWORD: password,
                        SAP_B1_SESSION_TIMEOUT: "30",
                        LOG_LEVEL: "INFO",
                        NODE_ENV: "production"
                    }
                }
            }
        };
        
        // Handle existing config
        if (existsSync(configFile)) {
            console.log('⚠️  Claude Desktop config file already exists!');
            const backup = await askQuestion('Create backup and replace? (y/n): ');
            
            if (backup.toLowerCase() !== 'y') {
                console.log('❌ Setup cancelled.');
                console.log('\n📋 Manual configuration needed. Add this to your Claude Desktop config:');
                console.log(JSON.stringify(config, null, 2));
                process.exit(0);
            }
            
            // Create backup
            const backupFile = `${configFile}.backup.${Date.now()}`;
            execSync(`cp "${configFile}" "${backupFile}"`);
            console.log(`💾 Backup created: ${backupFile}`);
        }
        
        // Write configuration
        writeFileSync(configFile, JSON.stringify(config, null, 2));
        
        console.log('✅ Configuration created successfully!\n');
        console.log('📋 Configuration Summary:');
        console.log(`  🏷️  Server name: sap-b1`);
        console.log(`  🔧 Command: ${bunPath} ${join(packageDir, 'dist/index.js')}`);
        console.log(`  📁 Working directory: ${packageDir}`);
        console.log(`  🚀 Transport: STDIO`);
        console.log(`  🔐 SAP Server: ${serverUrl}`);
        console.log(`  🗄️  Database: ${database}`);
        console.log(`  👤 Username: ${username}`);
        console.log(`  🔒 Password: ***masked***\n`);
        
        console.log('🎉 Setup Complete!\n');
        console.log('📋 Next Steps:');
        console.log('1. 🔄 Restart Claude Desktop completely');
        console.log('2. 🆕 Start a new conversation in Claude Desktop');
        console.log('3. 🔍 Look for MCP connection indicator (🔌)');
        console.log('4. 💬 Try asking: "What MCP tools do you have access to?"');
        console.log('5. 🧪 Test with: "Check my SAP session status"');
        console.log('\n📚 Available Tools (26+ total):');
        console.log('   🔑 Authentication (3): login, logout, session status');
        console.log('   👥 Master Data (9): business partners, items, warehouses, price lists');
        console.log('   📄 Documents (6): orders, purchase orders, invoices');
        console.log('   🔍 Queries (2): custom queries, cross-joins');
        console.log('   📊 Stock & Pricing (4): item stock, item prices ⭐ NEW');
        
    } catch (error) {
        console.error('❌ Setup failed:', error.message);
        process.exit(1);
    }
}

main();