Nansen

Official Nansen Web3

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

Official

The company’s official documentation names this server (https://mcp.nansen.ai/ra/mcp).

Commands and config follow each client’s own MCP docs. Some servers also need an API key or environment variables; see the server’s documentation.

claude mcp add --transport http nansen https://mcp.nansen.ai/ra/mcp/

codex mcp add nansen --url https://mcp.nansen.ai/ra/mcp/

Cursor mcp.json

{
  "mcpServers": {
    "nansen": {
      "url": "https://mcp.nansen.ai/ra/mcp/"
    }
  }
}

Gemini CLI settings.json

{
  "mcpServers": {
    "nansen": {
      "httpUrl": "https://mcp.nansen.ai/ra/mcp/"
    }
  }
}

VS Code .vscode/mcp.json

{
  "servers": {
    "nansen": {
      "type": "http",
      "url": "https://mcp.nansen.ai/ra/mcp/"
    }
  }
}

By transport: whether the client’s docs list a transport this server offers. It doesn’t cover sign-in or other requirements.

This data comes from the Official MCP Registry.