Quantum OpenQASM MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 56 installs a week from npm. Last commit 26 Jun 2026.
IBM Quantum OpenQASM 2.0 MCP — list backends, submit QASM, poll jobs, get histograms.
We read the source, 21 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
postinstall: node dist/postinstall.js
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add quantum-openqasm-mcp -- npx -y @markusvankempen/quantum-openqasm-mcp
{
"mcpServers": {
"quantum-openqasm-mcp": {
"args": [
"-y",
"@markusvankempen/quantum-openqasm-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.quantum-openqasm-mcp]
command = "npx"
args = ["-y", "@markusvankempen/quantum-openqasm-mcp"]
{
"mcpServers": {
"quantum-openqasm-mcp": {
"args": [
"-y",
"@markusvankempen/quantum-openqasm-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"quantum-openqasm-mcp": {
"args": [
"-y",
"@markusvankempen/quantum-openqasm-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
IBM_API_KEY (IBM Cloud API key for IBM Quantum Platform), IBM_SERVICE_CRN (IBM Quantum service instance CRN from quantum.ibm.com), IBM_QUANTUM_ENDPOINT (IBM Quantum API endpoint (default: us-east)), IBM_QUANTUM_BACKEND (Default backend name, e.g. ibm_fez).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.