How do I install qnexus-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is qnexus-mcp official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

qnexus-mcp MCP Server | MCPpedia

qnexus-mcp MCP Server

Name: qnexus-mcp MCP Server
Author: blite-hq

MCP server for Quantinuum Nexus, wrapping the qnexus SDK. Not affiliated with Quantinuum.

Tools Versions Alternatives

Registryblite-hq

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "blite-hq-qnexus-mcp": {
      "command": "uvx",
      "args": [
        "qnexus-mcp"
      ],
      "env": {
        "QNEXUS_MCP_TOOLSETS": "",
        "QNEXUS_MCP_ALLOW_SPEND": "",
        "QNEXUS_MCP_ALLOW_HARDWARE": "",
        "QNEXUS_MCP_ALLOW_DESTRUCTIVE": "",
        "QNEXUS_MCP_MAX_CREDITS": "",
        "QNEXUS_MCP_MAX_OUTCOMES": "",
        "QNEXUS_MCP_MAX_SUBMISSIONS_PER_MINUTE": "",
        "QNEXUS_MCP_PROJECTS": ""
      }
    }
  }
}

Install guide

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83Excellent

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Environment

Name	Required	Notes
QNEXUS_MCP_TOOLSETS	No	Comma-separated toolsets: read,execute,manage,destructive (default: read).
QNEXUS_MCP_ALLOW_SPEND	No	Permit credit-spending (HQC) execution (default: false).
QNEXUS_MCP_ALLOW_HARDWARE	No	Permit real-QPU targets (default: false).
QNEXUS_MCP_ALLOW_DESTRUCTIVE	No	Permit delete/cancel/archive tools (default: false).
QNEXUS_MCP_MAX_CREDITS	No	Hard per-call HQC ceiling; 0 blocks all spend (default: 0).
QNEXUS_MCP_MAX_OUTCOMES	No	Top-N cap on distinct measurement outcomes returned per result item (default: 100).
QNEXUS_MCP_MAX_SUBMISSIONS_PER_MINUTE	No	Sliding-window submission cap; each circuit in a batch counts as one (default: 6).
QNEXUS_MCP_PROJECTS	No	Comma-separated project allowlist, enforced on every mutating tool (default: all projects).

qnexus-mcp MCP Server

Install

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