JSON Editor MCP

// Direct test of the merge logic const fs = require('fs'); // Read the compiled source const sourceCode = fs.readFileSync('dist/index.js', 'utf-8'); // Extract the deepMergeDuplicates and deepMerge methods const deepMergeDuplicatesMatch = sourceCode.match(/deepMergeDuplicates\([^}]+\{[^}]+\}[^}]+\)/s); const deepMergeMatch = sourceCode.match(/deepMerge\([^}]+\{[^}]+\}[^}]+\)/s); if (!deepMergeDuplicatesMatch || !deepMergeMatch) { console.log('Could not extract methods from compiled code'); process.exit(1); } // Create a test object with duplicate keys const testData = { "common": { "someKey1": "someValue1", "subKey1": { "subKey11": "subValue11", "subKey12": "subValue12" } }, "common": { "someKey1": "someValue2", "someKey2": "someValue3", "subKey1": { "subKey11": "subValue11", "subKey12": "subValue12", "subKey13": "subValue13" } } }; console.log('Input data:'); console.log(JSON.stringify(testData, null, 2)); // Test the merge by using the MCP server directly const { spawn } = require('child_process'); // Write test data fs.writeFileSync('test-input.json', JSON.stringify(testData, null, 2)); // Start server and test const server = spawn('node', ['dist/index.js'], { stdio: ['pipe', 'pipe', 'pipe'] }); const request = { jsonrpc: "2.0", id: 1, method: "tools/call", params: { name: "merge_duplicate_keys", arguments: { filePath: "test-input.json" } } }; server.stdin.write(JSON.stringify(request) + '\n'); let response = ''; server.stdout.on('data', (data) => { response += data.toString(); if (response.includes('"result"')) { try { const parsed = JSON.parse(response.trim()); console.log('\nMCP Response:'); console.log(JSON.stringify(parsed, null, 2)); // Read the merged file const merged = JSON.parse(fs.readFileSync('test-input.json', 'utf-8')); console.log('\nMerged result:'); console.log(JSON.stringify(merged, null, 2)); server.kill(); } catch (e) { console.log('Error parsing response:', e.message); } } }); server.stderr.on('data', (data) => { console.log('Server stderr:', data.toString()); }); setTimeout(() => { server.kill(); console.log('Test timeout'); }, 5000);