greet-class.ts•1.21 kB
import { McpServer, type McpTool } from 'simple-mcp';
import { z, ZodObject } from 'zod';
const parameters = {
name: z.string().describe('The name is required'),
};
/**
* GreetTool class implements the McpTool interface
* This demonstrates how to create an MCP tool using a class-based approach
*/
class GreetTool implements McpTool<typeof parameters> {
// Tool name
public readonly name = 'greet';
// Define parameters with Zod schema
public readonly parameters = parameters;
/**
* Execute method that will be called when the tool is invoked
* @param request The validated request parameters
*/
public async execute({ name }: z.infer<ZodObject<typeof this.parameters>>) {
return {
content: [
{
type: 'text',
text: `Hello, ${name}! Nice to meet you.`,
},
],
};
}
}
// Initialize a new MCP server with the name 'greet-server'
const server = new McpServer({ name: 'greet-server' });
// Create an instance of the GreetTool class
const greetTool = new GreetTool();
// Register the tool with the server
server.tool(greetTool);
// Start the server using stdio as the transport method
server.start({ transportType: 'stdio' });