Mermaid SVG MCP Server

#!/usr/bin/env node /** * Simple test script to verify the MCP server functionality * This simulates an MCP client calling the server */ import { createServer } from './dist/server.js'; async function testMcpServer() { console.log('🧪 Testing Mermaid SVG MCP Server...\n'); try { // Create server instance const server = createServer(); // Test 1: List tools console.log('📋 Test 1: Listing available tools...'); const listResponse = await server._requestHandlers.get('notifications/tools/list')({ method: 'notifications/tools/list', params: {} }); console.log('✅ Tools available:', listResponse.tools.map(t => t.name)); console.log(''); // Test 2: Generate simple SVG console.log('🎨 Test 2: Generating simple flowchart SVG...'); const simpleChart = `graph TD A[Start] --> B{Decision} B -->|Yes| C[Success] B -->|No| D[Try Again] D --> A`; const svgResponse = await server._requestHandlers.get('tools/call')({ method: 'tools/call', params: { name: 'generate_mermaid_svg', arguments: { mermaid: simpleChart, theme: 'default', backgroundColor: 'white' } } }); if (svgResponse.content && svgResponse.content[0] && svgResponse.content[0].text) { const svgContent = svgResponse.content[0].text; if (svgContent.includes('<svg') && svgContent.includes('</svg>')) { console.log('✅ SVG generated successfully'); console.log(`📏 SVG size: ${svgContent.length} characters`); // Save test SVG to file const fs = await import('fs'); fs.writeFileSync('test-output.svg', svgContent); console.log('💾 Test SVG saved to test-output.svg'); } else { console.log('❌ Generated content is not valid SVG'); console.log('Content preview:', svgContent.substring(0, 200) + '...'); } } else { console.log('❌ No SVG content in response'); console.log('Response:', JSON.stringify(svgResponse, null, 2)); } console.log(''); // Test 3: Generate with dark theme console.log('🌙 Test 3: Generating with dark theme...'); const darkResponse = await server._requestHandlers.get('tools/call')({ method: 'tools/call', params: { name: 'generate_mermaid_svg', arguments: { mermaid: simpleChart, theme: 'dark', backgroundColor: '#2d3748' } } }); if (darkResponse.content && darkResponse.content[0] && darkResponse.content[0].text) { console.log('✅ Dark theme SVG generated successfully'); // Save dark theme SVG to file const fs = await import('fs'); fs.writeFileSync('test-dark-output.svg', darkResponse.content[0].text); console.log('💾 Dark theme SVG saved to test-dark-output.svg'); } else { console.log('❌ Dark theme SVG generation failed'); } console.log(''); console.log('🎉 All tests completed!'); // Clean up process.exit(0); } catch (error) { console.error('❌ Test failed:', error.message); console.error('Stack:', error.stack); process.exit(1); } } // Run the test testMcpServer();