MCP Nest

npm install @rekog/mcp-nest @modelcontextprotocol/sdk zod@^4

import { Module } from '@nestjs/common';
import { McpModule } from '@rekog/mcp-nest';

@Module({
  imports: [
    McpModule.forRoot({
      name: 'my-api-mcp-server',
      version: '0.1.0',
    }),
  ],
})
export class AppModule {}

import { Injectable } from '@nestjs/common';
import { Tool, Context } from '@rekog/mcp-nest';
import { z } from 'zod';

@Injectable()
export class SearchTool {
  @Tool({
    name: 'search-products',
    description: 'Search the product catalog by keyword',
    parameters: z.object({
      query: z.string().describe('The search term'),
      limit: z.number().int().min(1).max(50).default(10),
    }),
  })
  async search({ query, limit }: { query: string; limit: number }) {
    // Your existing service logic here
    return { results: [], query, limit };
  }
}

import { Module } from '@nestjs/common';
import { SearchTool } from './search.tool';

@Module({
  providers: [SearchTool],
})
export class CatalogModule {}

npm run start:dev