# Connecting to Nansen MCP

The Nansen MCP server provides AI assistants with access to comprehensive blockchain analytics through a secure API. This guide covers how to connect to Nansen MCP.

### Prerequisites

Before connecting, you'll need:

1. **Nansen API Key**: Get yours at <https://app.nansen.ai/api?tab=api>
2. **npx**: Required for remote connections (`npm install -g npx`)

### Installation Guide

#### 1. Claude Desktop (One-Click Install; Claude Desktop Required)

The easiest way to get started with Nansen MCP. Double-click the downloaded .dxt file to configure automatically.

[**Quick Install Link**](https://github.com/nansen-ai/nansen-mcp-dxt/raw/refs/heads/main/nansen.dxt)

#### 2. Claude Code (Terminal Integration)

Connect Nansen MCP through your terminal:

{% code overflow="wrap" %}

```bash
claude mcp add --transport http nansen https://mcp.nansen.ai/ra/mcp --header "NANSEN-API-KEY: YOUR_API_KEY_HERE"
```

{% endcode %}

#### 3. Cursor IDE

**One-click install via Cursor deep link:**

1. Copy the deep link below (right-click > copy)
2. Paste into any Cursor text/chat field
3. Ctrl+Click (or Cmd+Click on Mac) inside Cursor to install

{% code overflow="wrap" fullWidth="true" %}

```
cursor://anysphere.cursor-deeplink/mcp/install?name=nansen-mcp&config=eyJlbnYiOnsiTkFOU0VOX0FQSV9LRVkiOiJSRVBMQUNFX1RISVMifSwiY29tbWFuZCI6Im5weCIsImFyZ3MiOlsiLXkiLCJtY3AtcmVtb3RlIiwiaHR0cHM6Ly9tY3AubmFuc2VuLmFpL3JhL21jcC8iLCItLWhlYWRlciIsIk5BTlNFTi1BUEktS0VZOiR7TkFOU0VOX0FQSV9LRVl9IiwiLS1hbGxvdy1odHRwIl19Cg==
```

{% endcode %}

#### 4. Other MCP Clients

Integration example for various other tools supporting MCPs

**Server configuration:**

* Server: `https://mcp.nansen.ai/ra/mcp`
* Header: `NANSEN-API-KEY: your_api_key`
* Transport: `mcp-remote --allow-http`

```jsx
{
  "mcpServers": {
    "nansen-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.nansen.ai/ra/mcp",
        "--header",
        "NANSEN-API-KEY: ",
        "--allow-http"
      ]
    }
  }
}
```

**NPX example:**

```bash
npx -y mcp-remote https://mcp.nansen.ai/ra/mcp \\
  --header "NANSEN-API-KEY:YOUR_API_KEY_HERE" \\
  --allow-http

```

### Authentication

⚠️ Nansen MCP uses the same API as your regular API keys. Ensure you have sufficient credits for your usage.