Quantum Computing MCP Servers — IBM Qiskit, Conductor Quantum CODA, Amazon Braket, Stim QEC, and More

Quantum computing MCP servers reviewed: IBM Qiskit official (28 stars, 5 servers, Apache 2.0, Qiskit v2.4 + Qiskit Fermions Q1 2026, Nighthawk 120-qubit + Heron r3 hardware), Conductor Quantum CODA MCP (commercial, multi-provider QPU access IBM+IonQ+Rigetti+IQM+AQT 1000+ qubits, cross-framework Qiskit+Cirq+PennyLane+Braket+CUDA-Q, $19-279/mo), Amazon Braket MCP (2 stars, Apache 2.0, Bell+GHZ+QFT pre-built), SpinQ (official vendor MCP for SpinQ Cloud hardware), quantum-simulator-mcp (10 stars, MIT, Docker, noise models depolarizing+thermal+readout, OpenQASM 2.0), Stim MCP (8 tools QEC surface+repetition+color codes error analysis), QML-MCP (quantum ML VQC+kernels Qiskit), QuantumArchitect-MCP (validation+scoring hardware profiles IBM+Rigetti+IonQ), Psi-MCP (QuTiP+OpenFermion 30 qubits circuits+chemistry+many-body+algorithms), IBM Quantum MCP (VQE molecular energy H2+HeH+ Heron R3), qsim-mcp (Stanford hackathon Qiskit Metal+OpenEMS EM simulation archived), post-quantum cryptography MCP (24 tools ML-KEM+ML-DSA+SLH-DSA NIST FIPS 203/204/205), QU3 quantum-safe MCP client (42 stars Kyber-768+SPHINCS+). Academic: arXiv 2604.08318 MCP for hybrid quantum-HPC. Rating: 3.0/5.