echo.go•1.17 kB
package tools
import (
"context"
"fmt"
"github.com/dicedb/dicedb-go/wire"
"github.com/mark3labs/mcp-go/mcp"
"github.com/pottekkat/dicedb-mcp/internal/utils"
)
// NewEchoTool creates a new echo tool for DiceDB
func NewEchoTool() mcp.Tool {
return mcp.NewTool("echo",
mcp.WithDescription("Echo a message through the DiceDB server"),
utils.CommonURLParam(),
mcp.WithString("message",
mcp.Required(),
mcp.Description("The message to echo"),
),
)
}
// HandleEchoTool handles the echo tool request
func HandleEchoTool(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
message, ok := request.Params.Arguments["message"].(string)
if !ok || message == "" {
return nil, fmt.Errorf("missing or empty message parameter")
}
client, err := utils.GetClientFromRequest(request)
if err != nil {
return nil, err
}
resp := client.Fire(&wire.Command{
Cmd: "ECHO",
Args: []string{message},
})
// Check if DiceDB returned an error
if resp.Err != "" {
return nil, fmt.Errorf("DiceDB error: %s", resp.Err)
}
return mcp.NewToolResultText(fmt.Sprintf("DiceDB echoed: %s", utils.FormatDiceDBResponse(resp))), nil
}