How to Use the Authkey MCP in Windsurf

Connect Authkey to Windsurf and let Cascade handle user verification flows, from sending an OTP to checking its status, all in one go.

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Connect Authkey MCP to Windsurf

Create your Vinkius account to connect Authkey to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Authkey with Windsurf

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Automate User Sign-ups and Verification

Connect Authkey and let Windsurf's Cascade agent take over your entire user verification workflow. You can give it a goal like "verify this new user's phone number" and it will chain the necessary steps. Cascade automatically uses `send_otp` to send the code and then waits to `verify_otp` when the user enters it. No more manual prompting for each step. Your agent can also check your account status with `check_balance` before sending a large batch of messages, or use `list_templates` to find the right message format. It just handles it.

Full Communication Control in Windsurf

This MCP Server gives your agent direct control over SMS, email, and voice channels. Tell Cascade to `send_sms` for a quick notification or `send_email` with a welcome message. It reads your intent and picks the right tool. You can also manage outbound campaigns directly from your IDE. Have Cascade `send_bulk_sms` to a list of numbers or trigger a pre-recorded message using `send_voice`. It's all done without leaving Windsurf.

Monitor Delivery and Account Status

Keep an eye on your communications without checking a separate dashboard. Just ask Windsurf to get the status of a specific message. Your agent uses `get_sms_status` or `get_email_status` to give you a direct answer. Need to see what you've sent? The agent can pull your complete message history with `list_sms_history`. It’s a fast way to debug a delivery issue or confirm a message was sent, right inside your editor.

Setup guide

Set up Authkey MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the Authkey MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my Authkey payment history." If connected, Cascade will call the Authkey tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

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

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Authkey. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Authkey MCP in Windsurf

You can install it with one click from Windsurf's built-in MCP Marketplace. Alternatively, add the server details to your `mcp_config.json` file. Cascade will find the new tools automatically.

Yes. Just tell the Cascade agent to check the balance. It will use the `check_balance` tool and can even hold off on sending if your funds are low.

Your Vinkius Authkey for Windsurf handles it all. You add the MCP server once, and Vinkius manages the secure connection. You never have to paste API keys into your prompts.

Absolutely. Ask Cascade to list your SMS history. It will call the `list_sms_history` tool and show you the results directly in the IDE.

The server only accesses data needed for its job: phone numbers, email addresses, and message content you provide. Vinkius runs each MCP Server in a sandboxed, ephemeral environment, and your Authkey credentials are encrypted and managed by the platform.

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