nia-web-eval-agent-mcp/bin/server.js

NIA AI Web Evaluation Agent MCP Server - Autonomous browser testing and debugging

#!/usr/bin/env node

const { spawn } = require('cross-spawn');
const path = require('path');
const fs = require('fs');

// Check if required environment variables are set
if (!process.env.NIA_API_KEY) {
  console.error('❌ Error: NIA_API_KEY environment variable is required');
  console.error('📖 Get your API key at: https://trynia.ai');
  console.error('💡 Set it in your MCP client config:');
  console.error('   "env": { "NIA_API_KEY": "your-api-key-here" }');
  process.exit(1);
}

// Check if uv is installed
const { execSync } = require('child_process');
try {
  execSync('uv --version', { stdio: 'ignore' });
} catch (error) {
  console.error('❌ Error: uv is not installed');
  console.error('📦 Install uv: curl -LsSf https://astral.sh/uv/install.sh | sh');
  process.exit(1);
}

// Check if playwright is installed
try {
  execSync('playwright --version', { stdio: 'ignore' });
} catch (error) {
  console.error('🎭 Installing Playwright...');
  try {
    execSync('npm install -g playwright && playwright install --with-deps', { stdio: 'inherit' });
  } catch (installError) {
    console.error('❌ Failed to install Playwright');
    process.exit(1);
  }
}

// Run the Python MCP server
const args = [
  '--from',
  'git+https://github.com/nia-ai-app/web-eval-agent.git',
  'webEvalAgent'
];

console.error('🚀 Starting NIA Web Eval Agent MCP Server...');
console.error('📦 Installing from git repository (this may take a moment on first run)...');

const child = spawn('uvx', args, {
  stdio: 'inherit',
  env: {
    ...process.env,
    NIA_API_KEY: process.env.NIA_API_KEY
  }
});

child.on('error', (error) => {
  console.error('❌ Failed to start server:', error.message);
  process.exit(1);
});

child.on('exit', (code) => {
  process.exit(code);
});

// Handle graceful shutdown
process.on('SIGINT', () => {
  if (child) {
    child.kill('SIGINT');
  }
});

process.on('SIGTERM', () => {
  if (child) {
    child.kill('SIGTERM');
  }
});