mock cudaq

Signed-off-by: ale <ale@manalejandro.com>

.gitignore

@@ -0,0 +1,175 @@
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+package-lock.json
+yarn.lock
+
+# Build outputs
+dist/
+build/
+*.tsbuildinfo
+
+# Environment files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Runtime data
+pids/
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+.nyc_output
+
+# ESLint cache
+.eslintcache
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+.env.production
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+public
+
+# Vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pytest
+.pytest_cache/
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Docker
+docker-compose.override.yml
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+*.temp
+
+# Security
+*.pem
+*.key
+!*.key.example
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Quantum simulation data
+quantum_data/
+simulation_results/
+*.qasm
+*.qobj
+
+# MCP specific
+mcp_logs/
+quantum_kernels/
+circuit_cache/
+
+# Development
+.env.development
+.env.staging
+
+# Production
+.env.production
+
+# Test coverage
+coverage/
+*.coverage
+
+# Backup files
+*.backup
+*.bak

package.json

@@ -35,38 +35,30 @@
     "node": ">=18.0.0"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.0.0",
-    "python-bridge": "^2.0.2",
-    "node-ffi-napi": "^2.5.0",
-    "ref-napi": "^3.0.3",
-    "ref-array-napi": "^1.2.2",
-    "ref-struct-napi": "^1.1.1",
-    "zod": "^3.22.0",
-    "winston": "^3.11.0",
-    "express": "^4.18.2",
-    "cors": "^2.8.5",
-    "helmet": "^7.1.0",
-    "dotenv": "^16.3.1",
+    "@modelcontextprotocol/sdk": "^0.5.0",
+    "chalk": "^5.6.2",
+    "commander": "^11.1.0",
+    "dotenv": "^16.6.1",
     "uuid": "^9.0.1",
-    "chalk": "^5.3.0",
-    "commander": "^11.1.0"
+    "winston": "^3.18.3",
+    "zod": "^3.25.76"
   },
   "devDependencies": {
-    "@types/node": "^20.10.0",
-    "@types/uuid": "^9.0.7",
-    "@types/express": "^4.17.21",
     "@types/cors": "^2.8.17",
+    "@types/express": "^4.17.21",
     "@types/jest": "^29.5.8",
-    "typescript": "^5.3.0",
-    "ts-node": "^10.9.0",
-    "jest": "^29.7.0",
-    "ts-jest": "^29.1.0",
-    "eslint": "^8.55.0",
+    "@types/node": "^20.19.19",
+    "@types/uuid": "^9.0.7",
     "@typescript-eslint/eslint-plugin": "^6.13.0",
     "@typescript-eslint/parser": "^6.13.0",
+    "eslint": "^8.55.0",
+    "jest": "^29.7.0",
+    "nodemon": "^3.0.2",
     "prettier": "^3.1.0",
+    "ts-jest": "^29.1.0",
+    "ts-node": "^10.9.0",
     "typedoc": "^0.25.0",
-    "nodemon": "^3.0.2"
+    "typescript": "^5.3.0"
   },
   "repository": {
     "type": "git",

python/cudaq_bridge.py

@@ -21,8 +21,8 @@ try:
     logger.info("CUDA Quantum successfully imported")
 except ImportError as e:
     CUDAQ_AVAILABLE = False
-    logger.error(f"CUDA Quantum not available: {e}")
-    logger.error("Please install CUDA Quantum: pip install cudaq")
+    logger.warning(f"CUDA Quantum not available: {e}")
+    logger.warning("Running in mock mode - install CUDA Quantum for full functionality: pip install cudaq")
 
 
 class QuantumKernelManager:
@@ -35,7 +35,13 @@ class QuantumKernelManager:
     def create_kernel(self, name: str, num_qubits: int, parameters: Optional[List[Dict]] = None) -> Dict:
         """Create a new quantum kernel"""
         if not CUDAQ_AVAILABLE:
-            return {"error": "CUDA Quantum not available"}
+            # Mock mode - store kernel metadata without actual CUDA Quantum
+            self.kernel_metadata[name] = {
+                "num_qubits": num_qubits,
+                "parameters": parameters or [],
+                "operations": []
+            }
+            return {"success": True, "kernel_name": name, "mode": "mock"}
             
         try:
             # Create kernel dynamically
@@ -216,7 +222,31 @@ class QuantumExecutor:
                parameters: Optional[Dict] = None) -> Dict:
         """Sample measurement results from quantum kernel"""
         if not CUDAQ_AVAILABLE:
-            return {"error": "CUDA Quantum not available"}
+            # Mock mode - return simulated results
+            if kernel_name not in self.kernel_manager.kernel_metadata:
+                return {"error": f"Kernel {kernel_name} not found"}
+            
+            import random
+            num_qubits = self.kernel_manager.kernel_metadata[kernel_name]["num_qubits"]
+            
+            # Generate mock results for demonstration
+            mock_counts = {}
+            if num_qubits == 2:  # Bell pair example
+                mock_counts = {"00": shots//2 + random.randint(-50, 50), 
+                             "11": shots//2 + random.randint(-50, 50)}
+            else:
+                # Random distribution
+                for i in range(min(4, 2**num_qubits)):
+                    binary = format(i, f'0{num_qubits}b')
+                    mock_counts[binary] = random.randint(shots//10, shots//3)
+            
+            return {
+                "success": True,
+                "counts": mock_counts,
+                "shots": shots,
+                "total_counts": sum(mock_counts.values()),
+                "mode": "mock"
+            }
             
         if kernel_name not in self.kernel_manager.kernels:
             return {"error": f"Kernel {kernel_name} not found"}
@@ -459,24 +489,30 @@ def main():
         except Exception as e:
             print(json.dumps({"error": str(e), "traceback": traceback.format_exc()}))
     else:
-        # Interactive mode
-        print("CUDA Quantum Python Bridge - Interactive Mode")
-        print("Available commands: create_kernel, apply_gate, set_target, sample, observe, get_state")
+        # Server mode - read from stdin for MCP communication
+        print("CUDA Quantum Python Bridge - Ready")
+        sys.stdout.flush()
         
-        while True:
-            try:
-                command_line = input("> ")
-                if command_line.lower() in ["quit", "exit"]:
+        try:
+            while True:
+                line = sys.stdin.readline()
+                if not line:
                     break
                 
-                command_data = json.loads(command_line)
-                result = dispatch_command(**command_data)
-                print(json.dumps(result, indent=2))
+                try:
+                    command_data = json.loads(line.strip())
+                    result = dispatch_command(**command_data)
+                    print(json.dumps(result))
+                    sys.stdout.flush()
+                except json.JSONDecodeError:
+                    print(json.dumps({"error": "Invalid JSON"}))
+                    sys.stdout.flush()
+                except Exception as e:
+                    print(json.dumps({"error": str(e)}))
+                    sys.stdout.flush()
                     
-            except KeyboardInterrupt:
-                break
-            except Exception as e:
-                print(json.dumps({"error": str(e)}))
+        except KeyboardInterrupt:
+            pass
 
 
 if __name__ == "__main__":

src/bridge/python-bridge.ts

@@ -4,7 +4,7 @@
  */
 
 import { spawn, ChildProcess } from 'child_process';
-import path from 'path';
+import * as path from 'path';
 import { EventEmitter } from 'events';
 import { 
   PythonCall, 
@@ -40,7 +40,7 @@ export class PythonBridge extends EventEmitter {
     
     this.config = {
       pythonPath: config.pythonPath || process.env.CUDAQ_PYTHON_PATH || 'python3',
-      scriptPath: config.scriptPath || path.join(__dirname, '../../python/cudaq_bridge.py'),
+      scriptPath: config.scriptPath || path.join(process.cwd(), 'python/cudaq_bridge.py'),
       timeout: config.timeout || 60000,
       maxMemory: config.maxMemory || 2048
     };
@@ -81,7 +81,7 @@ export class PythonBridge extends EventEmitter {
         const output = data.toString();
         this.logger.debug('Python stdout:', output);
         
-        if (!initialized && output.includes('CUDA Quantum Python Bridge')) {
+        if (!initialized && (output.includes('CUDA Quantum Python Bridge') || output.includes('Ready'))) {
           initialized = true;
           resolve();
         }
@@ -92,10 +92,20 @@ export class PythonBridge extends EventEmitter {
 
       this.pythonProcess.stderr?.on('data', (data: Buffer) => {
         const error = data.toString();
-        this.logger.error('Python stderr:', error);
         
-        if (!initialized) {
-          reject(new Error(`Python process error: ${error}`));
+        // Check if it's just a warning about CUDA Quantum not being available
+        if (error.includes('WARNING') && error.includes('CUDA Quantum not available')) {
+          this.logger.warn('Python warning:', error);
+          // Don't treat this as a fatal error - continue with initialization
+          if (!initialized) {
+            initialized = true;
+            resolve();
+          }
+        } else {
+          this.logger.error('Python stderr:', error);
+          if (!initialized) {
+            reject(new Error(`Python process error: ${error}`));
+          }
         }
       });
 

src/index.ts

@@ -63,9 +63,9 @@ export class CudaQuantumMCPServer {
 
   constructor(config: ServerConfig) {
     this.config = {
-      name: 'cuda-quantum-mcp',
-      version: '1.0.0',
-      ...config
+      ...config,
+      name: config.name || 'cuda-quantum-mcp',
+      version: config.version || '1.0.0'
     };
 
     this.logger = new Logger('MCPServer', {
@@ -117,41 +117,41 @@ export class CudaQuantumMCPServer {
         switch (name) {
           // Quantum Circuit Tools
           case 'create_quantum_kernel':
-            return await handleCreateQuantumKernel(args);
+            return await handleCreateQuantumKernel(args as any);
           case 'apply_quantum_gate':
-            return await handleApplyQuantumGate(args);
+            return await handleApplyQuantumGate(args as any);
           case 'add_measurement':
-            return await handleAddMeasurement(args);
+            return await handleAddMeasurement(args as any);
           case 'create_common_circuit':
-            return await handleCreateCommonCircuit(args);
+            return await handleCreateCommonCircuit(args as any);
           case 'list_quantum_kernels':
-            return await handleListQuantumKernels(args);
+            return await handleListQuantumKernels(args as any);
           case 'visualize_circuit':
-            return await handleVisualizeCircuit(args);
+            return await handleVisualizeCircuit(args as any);
 
           // Quantum Execution Tools
           case 'sample_quantum_circuit':
-            return await handleSampleQuantumCircuit(args);
+            return await handleSampleQuantumCircuit(args as any);
           case 'observe_hamiltonian':
-            return await handleObserveHamiltonian(args);
+            return await handleObserveHamiltonian(args as any);
           case 'get_quantum_state':
-            return await handleGetQuantumState(args);
+            return await handleGetQuantumState(args as any);
           case 'run_quantum_algorithm':
-            return await handleRunQuantumAlgorithm(args);
+            return await handleRunQuantumAlgorithm(args as any);
           case 'variational_optimization':
-            return await handleVariationalOptimization(args);
+            return await handleVariationalOptimization(args as any);
 
           // Hardware Backend Tools
           case 'set_quantum_target':
-            return await handleSetQuantumTarget(args);
+            return await handleSetQuantumTarget(args as any);
           case 'list_quantum_backends':
-            return await handleListQuantumBackends(args);
+            return await handleListQuantumBackends(args as any);
           case 'get_platform_info':
-            return await handleGetPlatformInfo(args);
+            return await handleGetPlatformInfo(args as any);
           case 'test_backend_connectivity':
-            return await handleTestBackendConnectivity(args);
+            return await handleTestBackendConnectivity(args as any);
           case 'configure_gpu_acceleration':
-            return await handleConfigureGpuAcceleration(args);
+            return await handleConfigureGpuAcceleration(args as any);
 
           default:
             throw new Error(`Unknown tool: ${name}`);

src/tools/execution-tools.ts

@@ -260,7 +260,7 @@ export async function handleSampleQuantumCircuit(input: any) {
       let entropy = 0;
       for (const count of Object.values(counts)) {
         if ((count as number) > 0) {
-          const p = (count as number) / totalCounts;
+          const p = (count as number) / (totalCounts as number);
           entropy -= p * Math.log2(p);
         }
       }

src/types/index.ts

@@ -311,6 +311,8 @@ export interface PythonResponse {
   result?: any;
   error?: string;
   traceback?: string;
+  kernels?: string[];
+  metadata?: Record<string, any>;
 }
 
 // ============================