IBM's quantum computing framework with 13M+ downloads. Use this when you need to build quantum circuits, optimize for hardware execution, or run on actual quantum computers. The skill covers the full workflow: circuit construction with gates and measurements, transpilation that's 83x faster than alternatives, execution through Sampler and Estimator primitives, and visualization. Strong for IBM Quantum hardware access (100+ qubit systems), but also supports IonQ and Amazon Braket. The references walk through everything from basic Bell states to variational algorithms like VQE and QAOA. Best choice if you're doing enterprise quantum work or need production-grade optimization and error mitigation on real hardware.
npx skills add https://github.com/k-dense-ai/scientific-agent-skills --skill qiskit