Qiskit Code Assistant MCP Server

MCP server · by Qiskit

Developer Tools Python v0.4.0

MCP server for the Qiskit Code Assistant intelligent code completion

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.4.0

Python
uvx qiskit-code-assistant-mcp-server

Python
uvx qiskit-code-assistant-mcp-server@0.4.0

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server@0.4.0"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env QISKIT_IBM_TOKEN=<YOUR_QISKIT_IBM_TOKEN> qiskit-code-assistant-mcp-server -- uvx qiskit-code-assistant-mcp-server

claude mcp add --env QISKIT_IBM_TOKEN=<YOUR_QISKIT_IBM_TOKEN> qiskit-code-assistant-mcp-server -- uvx qiskit-code-assistant-mcp-server@0.4.0

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server@0.4.0"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

{
  "servers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server@0.4.0"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "qiskit-code-assistant-mcp-server": {
      "command": "uvx",
      "args": [
        "qiskit-code-assistant-mcp-server@0.4.0"
      ],
      "env": {
        "QISKIT_IBM_TOKEN": "<YOUR_QISKIT_IBM_TOKEN>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

QISKIT_IBM_TOKEN required secret — Your IBM Quantum API token for authentication
QCA_TOOL_API_BASE — Qiskit Code Assistant API base URL
QCA_TOOL_MODEL_NAME — Default model name for code completion

GitHub

⭐ 40 stars · 最近更新于 21 天前 · Apache-2.0 license

These star and push figures are for the shared repository — 6 listings on this site point at the same repository.

About this server

Qiskit MCP Servers A collection of Model Context Protocol (MCP) servers that give AI assistants, LLMs, and agents seamless access to IBM Quantum services and Qiskit libraries. Generate quantum code, connect to real hardware, analyze backends, execute circuits, and search Qiskit documentation — all t…

Summary from the project README — github.com/Qiskit/mcp-servers

Distributed as Python, listed under Developer Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Qiskit Code Assistant MCP Server MCP server do?

How do I install Qiskit Code Assistant MCP Server?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Qiskit Code Assistant MCP Server free to use?

The MCP server itself is free to install. The source is public on https://github.com/Qiskit/mcp-servers. Any third-party service it calls may require its own API key and account.

Which clients support Qiskit Code Assistant MCP Server?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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