import { CallToolResult } from '@modelcontextprotocol/sdk/types.js';
interface ExampleToolArgs {
message: string;
}
export const exampleTool = {
async execute(args: any): Promise<CallToolResult> {
try {
const { message } = args as ExampleToolArgs;
if (!message || typeof message !== 'string') {
throw new Error('Message is required and must be a string');
}
// Example processing - reverse the message
const processedMessage = message.split('').reverse().join('');
return {
content: [
{
type: 'text',
text: `Original message: "${message}"\nProcessed message: "${processedMessage}"`,
},
],
};
} catch (error) {
const errorMessage = error instanceof Error ? error.message : 'Unknown error occurred';
return {
content: [
{
type: 'text',
text: `Error in example tool: ${errorMessage}`,
},
],
isError: true,
};
}
},
};
