#!/usr/bin/env node
/*
* Excel MCP Server - NPM Wrapper
* Author: Guillem Hermida (https://github.com/guillehr2)
* License: MIT
*/
const spawn = require('cross-spawn');
const path = require('path');
const fs = require('fs');
const os = require('os');
// Path to the Python script
const pythonScript = path.join(__dirname, 'master_excel_mcp.py');
// Check if Python script exists
if (!fs.existsSync(pythonScript)) {
console.error('Error: master_excel_mcp.py not found');
process.exit(1);
}
// Determine Python command based on OS
const pythonCmd = process.platform === 'win32' ? 'python' : 'python3';
// Check if uv is installed, otherwise use pip
const checkCommand = (cmd) => {
try {
const result = spawn.sync(cmd, ['--version'], { stdio: 'pipe' });
return result.status === 0;
} catch (e) {
return false;
}
};
const hasUv = checkCommand('uv');
// Function to install dependencies silently
const installDependencies = () => {
const deps = [
'fastmcp',
'openpyxl',
'pandas',
'numpy',
'xlsxwriter',
'xlrd',
'xlwt',
'matplotlib'
];
if (hasUv) {
// Use uv for faster installation with --system flag
const result = spawn.sync('uv', ['pip', 'install', '--system', '--quiet', ...deps], {
stdio: 'ignore'
});
return result.status === 0;
} else {
// Fallback to pip
const pipCmd = process.platform === 'win32' ? 'pip' : 'pip3';
const result = spawn.sync(pipCmd, ['install', '--quiet', ...deps], {
stdio: 'ignore'
});
return result.status === 0;
}
};
// Check if this is the first run by checking for a marker file
const markerFile = path.join(os.homedir(), '.excel-mcp-server-installed-v3');
if (!fs.existsSync(markerFile)) {
// Install dependencies silently
if (installDependencies()) {
// Create marker file
fs.writeFileSync(markerFile, new Date().toISOString());
}
}
// Run the Python script directly without extra logging
const args = process.argv.slice(2);
if (hasUv) {
// Use uv run for better dependency management (without --system flag)
const uvArgs = [
'run',
'--with', 'matplotlib',
'--with', 'mcp[cli]',
'--with', 'numpy',
'--with', 'openpyxl',
'--with', 'pandas',
'--with', 'xlsxwriter',
'--with', 'xlrd',
'--with', 'xlwt',
'mcp',
'run',
pythonScript,
...args
];
const child = spawn('uv', uvArgs, {
stdio: 'inherit'
});
child.on('error', (err) => {
console.error('Failed to start server:', err);
process.exit(1);
});
child.on('exit', (code) => {
process.exit(code || 0);
});
} else {
// Fallback to direct Python execution
const child = spawn(pythonCmd, [pythonScript, ...args], {
stdio: 'inherit'
});
child.on('error', (err) => {
console.error('Failed to start server:', err);
process.exit(1);
});
child.on('exit', (code) => {
process.exit(code || 0);
});
}
