> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wisdom.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Echo Tool

The `echo` tool is a simple testing utility that echoes back the input message with an "Echo: " prefix. This tool is primarily used for testing MCP server connectivity and verifying that the request/response flow is working correctly.

<Note>
  This is a sample tool included for testing your client.
</Note>

## Parameters

<ParamField path="message" type="string" required>
  The message to echo back. This can be any text string.
</ParamField>

## Response format

<ParamField path="structuredContent" type="object" required>
  Structured version of the response with a `message` array containing the echoed text
</ParamField>

### Content structure

```typescript theme={null}
{
  structuredContent: {
    message: [
      {
        text: string
      }
    ]
  }
}
```

<RequestExample>
  ```json MCP Tool Call theme={null}
  {
    "jsonrpc": "2.0",
    "method": "tools/call",
    "params": {
      "name": "echo",
      "arguments": {
        "message": "Hello, WisdomAI!"
      }
    },
    "id": 1
  }
  ```
</RequestExample>

<ResponseExample>
  ```json Response theme={null}
  {
    "jsonrpc": "2.0",
    "result": {
      "structuredContent": {
        "message": [
          {
            "text": "Echo: Hello, WisdomAI!"
          }
        ]
      }
    },
    "id": 1
  }
  ```
</ResponseExample>

## Next steps

<CardGroup cols={3}>
  <Card title="List Domains Tool" icon="list" href="/integrations/mcp-server/tools/list-domains">
    Discover available domains for querying
  </Card>

  <Card title="Chat Tool" icon="message" href="/integrations/mcp-server/tools/chat">
    Primary tool for data analysis and natural language querying
  </Card>

  <Card title="MCP Server Overview" icon="server" href="/integrations/mcp-server/MCP-Server">
    Return to MCP server overview
  </Card>
</CardGroup>