1password

Security npm v2.5.0

MCP server for 1Password service accounts — tools and resources for vaults and credentials

View source ↗ Generate config for multiple servers More servers

Install

Pin version registry version 2.5.0

npm
npx -y @takescake/1password-mcp

npm
npx -y @takescake/1password-mcp@2.5.0

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": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp@2.5.0"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env OP_SERVICE_ACCOUNT_TOKEN=<YOUR_OP_SERVICE_ACCOUNT_TOKEN> 1password -- npx -y @takescake/1password-mcp

claude mcp add --env OP_SERVICE_ACCOUNT_TOKEN=<YOUR_OP_SERVICE_ACCOUNT_TOKEN> 1password -- npx -y @takescake/1password-mcp@2.5.0

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp@2.5.0"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

{
  "servers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp@2.5.0"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "1password": {
      "command": "npx",
      "args": [
        "-y",
        "@takescake/1password-mcp@2.5.0"
      ],
      "env": {
        "OP_SERVICE_ACCOUNT_TOKEN": "<YOUR_OP_SERVICE_ACCOUNT_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.

OP_SERVICE_ACCOUNT_TOKEN secret — The Service Account Token from 1Password (required unless OP_KEYCHAIN_SERVICE is used on macOS)
OP_KEYCHAIN_SERVICE — macOS only: Keychain service name to read the 1Password service account token from when OP_SERVICE_ACCOUNT_TOKEN is not set
OP_KEYCHAIN_ACCOUNT — macOS only: Optional Keychain account name to narrow the lookup used with OP_KEYCHAIN_SERVICE

GitHub

⭐ 21 stars · 最近更新于 16 天前 · Apache-2.0 license

About this server

1Password MCP Server Give your AI assistant a locked door to 1Password — not a pile of passwords in the chat. @takescake/1password mcp is a community Model Context Protocol (MCP) server. It lets Claude, Cursor, VS Code Copilot, OpenAI Codex, Gemini, and other MCP clients manage vaults and credential…

Summary from the project README — github.com/CakeRepository/1Password-MCP.git

Distributed as npm, listed under Security. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the 1password MCP server do?

How do I install 1password?

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 1password free to use?

The MCP server itself is free to install. The source is public on https://github.com/CakeRepository/1Password-MCP.git. Any third-party service it calls may require its own API key and account.

Which clients support 1password?

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

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