How to Use the Vapi MCP in Claude

Q: Does the Vapi MCP Server support outbound calls on Claude Desktop?

Absolutely. The createphonecall tool lets your agent initiate a new outbound call, using the specified phone number ID and customer data.

Manage voice AI assistants and call systems directly from your Claude Desktop environment.

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Connect Vapi MCP to Claude Desktop

Create your Vinkius account to connect Vapi to Claude Desktop 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 Vapi with Claude Desktop

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Set up Voice Assistants

Need a new persona for an assistant? You can configure it instantly by calling the `create_assistant` tool. Just provide a JSON string defining the transcriber, model, and voice you want to use.

Make Calls & Update Personas

Want your AI agent to call someone? Use `create_phone_call` with the target phone number ID and customer details. If you need to tweak an assistant's settings later, `update_assistant` handles that for you.

View Call History & Details

Keep track of all your agent activity using this MCP Server. You can check recent calls with `list_calls`, get deep metrics and transcripts via `get_call_details`, or see which phone numbers are connected by running `list_phone_numbers`.

Setup guide

Set up Vapi MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Vapi MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Vapi MCP configuration

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

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under vapi-mcp.

json

{
  "mcpServers": {
    "vapi-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 Vapi. 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.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

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Common questions about Vapi MCP in Claude Desktop

You run it through the local stdio transport after adding the MCP Server to your developer config file. Tools show up as available functions for your agent to call directly in the chat.

It exposes dozens of voice and communication tools, including `create_web_call` to generate links and `list_squads` for managing multi-agent groups. Your agent can access everything via the MCP Server.

Yes, this MCP Server primarily handles call details, transcripts, and phone number information. You'll be working with structured communication records.

Absolutely. The `create_phone_call` tool lets your agent initiate a new outbound call, using the specified phone number ID and customer data.

Since you're running it locally via stdio transport, performance depends on your machine. It’s designed to handle complex voice operations reliably once configured in the developer settings.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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