SSH MCP Server

/** * MCP Sequential Command Debug Test * * PURPOSE: Test MCP server's ability to handle sequential SSH commands * to identify if the issue is at the MCP protocol level, not browser level. */ import { JestTestUtilities } from './integration/terminal-history-framework/jest-test-utilities'; import { MCPServerManager } from './integration/terminal-history-framework/mcp-server-manager'; import { MCPClient } from './integration/terminal-history-framework/mcp-client'; describe('MCP Sequential Command Debug', () => { const testUtils = JestTestUtilities.setupJestEnvironment('mcp-sequential-debug'); /** * TEST: Direct MCP client command execution without WebSocket interference */ describe('Direct MCP Command Execution', () => { it('should execute sequential MCP commands directly via MCP client', async () => { // Test MCP commands directly without WebSocket to isolate the issue let serverManager: MCPServerManager | undefined; let mcpClient: MCPClient | undefined; try { // Start MCP server directly serverManager = new MCPServerManager(); await serverManager.start(); // Create MCP client const serverProcess = serverManager.getProcess(); if (!serverProcess) throw new Error('Server process not available'); mcpClient = new MCPClient(serverProcess as any); // Test sequential commands directly via MCP console.log('=== DIRECT MCP COMMAND TEST ==='); // Command 1: Connect SSH console.log('Executing ssh_connect...'); const connectResult = await mcpClient.callTool('ssh_connect', { name: 'mcp-direct-test', host: 'localhost', username: 'jsbattig', keyFilePath: '/home/jsbattig/.ssh/id_ed25519' }); console.log('ssh_connect result:', connectResult); expect(connectResult.success).toBe(true); // Command 2: First ssh_exec console.log('Executing first ssh_exec...'); const firstExecResult = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-direct-test', command: 'echo first-direct-command' }); console.log('First ssh_exec result:', firstExecResult); expect(firstExecResult.success).toBe(true); // Command 3: Second ssh_exec (this is where the issue likely occurs) console.log('Executing second ssh_exec...'); const secondExecResult = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-direct-test', command: 'echo second-direct-command' }); console.log('Second ssh_exec result:', secondExecResult); expect(secondExecResult.success).toBe(true); // Command 4: Third ssh_exec (to test if pattern continues) console.log('Executing third ssh_exec...'); const thirdExecResult = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-direct-test', command: 'echo third-direct-command' }); console.log('Third ssh_exec result:', thirdExecResult); expect(thirdExecResult.success).toBe(true); // Clean up SSH session await mcpClient.callTool('ssh_disconnect', { sessionName: 'mcp-direct-test' }); } finally { if (mcpClient) { await mcpClient.disconnect(); } if (serverManager && serverManager.isRunning()) { await serverManager.stop(); } } }, 60000); // 60-second timeout for debug }); /** * TEST: Test with timing delays between commands */ describe('MCP Command Timing Analysis', () => { it('should test if delays between MCP commands resolve the issue', async () => { let serverManager: MCPServerManager | undefined; let mcpClient: MCPClient | undefined; try { serverManager = new MCPServerManager(); await serverManager.start(); const serverProcess = serverManager.getProcess(); if (!serverProcess) throw new Error('Server process not available'); mcpClient = new MCPClient(serverProcess as any); console.log('=== MCP COMMAND TIMING TEST ==='); // Connect SSH const connectResult = await mcpClient.callTool('ssh_connect', { name: 'mcp-timing-test', host: 'localhost', username: 'jsbattig', keyFilePath: '/home/jsbattig/.ssh/id_ed25519' }); expect(connectResult.success).toBe(true); // First command console.log('Executing first command...'); const first = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-timing-test', command: 'echo timing-first && sleep 1' }); console.log('First result:', first); // Wait between commands console.log('Waiting 2 seconds between commands...'); await new Promise(resolve => setTimeout(resolve, 2000)); // Second command console.log('Executing second command...'); const second = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-timing-test', command: 'echo timing-second && sleep 1' }); console.log('Second result:', second); // Wait between commands console.log('Waiting 2 seconds between commands...'); await new Promise(resolve => setTimeout(resolve, 2000)); // Third command console.log('Executing third command...'); const third = await mcpClient.callTool('ssh_exec', { sessionName: 'mcp-timing-test', command: 'echo timing-third' }); console.log('Third result:', third); // All should succeed expect(first.success).toBe(true); expect(second.success).toBe(true); expect(third.success).toBe(true); // Clean up await mcpClient.callTool('ssh_disconnect', { sessionName: 'mcp-timing-test' }); } finally { if (mcpClient) { await mcpClient.disconnect(); } if (serverManager && serverManager.isRunning()) { await serverManager.stop(); } } }, 90000); // 90-second timeout }); /** * TEST: Compare direct MCP vs framework execution */ describe('Framework vs Direct MCP Comparison', () => { it('should compare framework execution with direct MCP execution', async () => { // Test the same commands through the framework console.log('=== FRAMEWORK EXECUTION TEST ==='); const config = { preWebSocketCommands: [ 'ssh_connect {"name": "framework-compare", "host": "localhost", "username": "jsbattig", "keyFilePath": "/home/jsbattig/.ssh/id_ed25519"}' ], postWebSocketCommands: [ 'ssh_exec {"sessionName": "framework-compare", "command": "echo framework-first"}', 'ssh_exec {"sessionName": "framework-compare", "command": "echo framework-second"}' ], workflowTimeout: 30000, sessionName: 'framework-compare' }; const result = await testUtils.runTerminalHistoryTest(config); console.log('Framework result success:', result.success); console.log('Framework responses:', result.concatenatedResponses); console.log('Framework post-WebSocket results:', result.postWebSocketResults); // Analyze the results if (result.postWebSocketResults && result.postWebSocketResults.length > 0) { result.postWebSocketResults.forEach((cmdResult, index) => { console.log(`Command ${index + 1}:`, { command: cmdResult.command, success: cmdResult.success, error: cmdResult.error, mcpResponse: cmdResult.mcpResponse }); }); } // The framework version likely fails while direct MCP succeeds // This will help us identify if the issue is in the framework or MCP console.log('=== COMPARISON COMPLETE ==='); }); }); });