How to Use the Authkey MCP in Cline

Q: Can Cline use Authkey to send one-time passwords?

Yes, that's a core function. Cline can use the sendotp tool to send a code and the verifyotp tool to check it, which is great for building and testing sign-up flows.

Q: Can I use Authkey to send emails from Cline?

Yes. The sendemail tool is available. You can have Cline draft and send transactional emails, like welcome messages or password resets, directly.

Give Cline the keys to Authkey. It will build, test, and commit features that send SMS, emails, and OTPs, all from a single prompt.

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Connect Authkey MCP to Cline

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Setup Authkey with Cline

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Build and Test Communication Features

Tell Cline to build a user registration flow. It won't just write the code; it will use the Authkey MCP Server to interact with the live API. Cline can call `send_otp` and `verify_otp` to write and test the logic in one continuous action. This means you get code that's already been tested against the real service. Cline can even use `list_sms_history` to confirm the test message was sent and then stage the working code for you to review.

Script Administrative Tasks in VS Code

Use Cline to automate account management. Ask it to "check our Authkey balance and email a report." Cline will use `check_balance` to get the data and `send_email` to deliver it, writing the script for you along the way. It's a faster way to handle operational tasks. You can also have it build a simple status page by fetching data from `get_sms_status` and `get_voice_status`, all without you writing the boilerplate code.

An Authkey MCP Server for Cline

This isn't just another API. It's a set of ready-to-use tools that Cline understands natively. Your agent can `send_sms` for alerts, `send_voice` for critical notifications, or `send_bulk_sms` for marketing pushes. Because Cline can execute tasks end-to-end, you can give it complex goals. For example, "Draft a new promotion using a template, send it to our user list, and let me know when it's done." Cline will use `list_templates`, `send_bulk_sms`, and `get_sms_status` to get it done.

Setup guide

Set up Authkey MCP in Cline

Prerequisites

VS Code with Cline extension installed
Active Vinkius subscription with a valid endpoint token

1

Open Cline MCP settings

Click the Cline icon in the VS Code sidebar to open the Cline panel. Then click the MCP Servers icon (server stack) at the top-right corner of the panel.
2

Add a remote server

Click "Remote Servers" at the top, then click "Add Remote MCP". In the Name field, type authkey-mcp. In the URL field, paste your Vinkius endpoint: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp. Get your token from cloud.vinkius.com.
3

Enable the server

After saving, the server appears in the Cline MCP panel. Toggle the switch to enable it. The status indicator turns green when the connection is live.
4

Start using tools

Return to the Cline chat and ask: "Check my latest Authkey refund status." Cline will discover the available tools and request your approval before invoking each one — giving you full control over every action.

Cline MCP Settings

{
  "mcpServers": {
    "authkey-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about Authkey MCP in Cline

The easiest way is through the Marketplace tab in Cline's MCP Servers panel. Find Authkey and click install. You can also add it manually by URL if you prefer.

Yes, that's a core function. Cline can use the `send_otp` tool to send a code and the `verify_otp` tool to check it, which is great for building and testing sign-up flows.

You don't. Your Vinkius Authkey for Cline secures the connection. Add the MCP server once, and Vinkius handles the authentication behind the scenes.

Yes. The `send_email` tool is available. You can have Cline draft and send transactional emails, like welcome messages or password resets, directly.

The server only handles communication data like phone numbers and email addresses that you explicitly pass to it. All connections are secured by your Vinkius Authkey, and the MCP server itself runs in an isolated, temporary environment for each request.

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