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FlagQuantum MCP Server for VS Code

io.github.flagquantum/flagquantum-mcp-server

Build, compile, run and export FlagQuantum circuits locally. No credentials or outbound network.

client:VS Code transport:stdio runtime:pypi

Install FlagQuantum MCP Server in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "flagquantum-mcp-max-qubits",
      "description": "FLAGQUANTUM_MCP_MAX_QUBITS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "flagquantum-mcp-max-gates",
      "description": "FLAGQUANTUM_MCP_MAX_GATES",
      "password": true
    },
    {
      "type": "promptString",
      "id": "flagquantum-mcp-max-ir-bytes",
      "description": "FLAGQUANTUM_MCP_MAX_IR_BYTES",
      "password": true
    }
  ],
  "servers": {
    "flagquantum-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "flagquantum-mcp-server"
      ],
      "env": {
        "FLAGQUANTUM_MCP_MAX_QUBITS": "${input:flagquantum-mcp-max-qubits}",
        "FLAGQUANTUM_MCP_MAX_GATES": "${input:flagquantum-mcp-max-gates}",
        "FLAGQUANTUM_MCP_MAX_IR_BYTES": "${input:flagquantum-mcp-max-ir-bytes}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

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