@sanlim/mempool-mcp-server/build/interface/controllers/GeneralToolsController.js

A sample of MCP implementation using DDD structure with some APIs call.

import { z } from "zod";
import { BaseToolsController } from "./base/BaseToolsController.js";
export class GeneralToolsController extends BaseToolsController {
    generalService;
    constructor(server, generalService) {
        super(server);
        this.generalService = generalService;
    }
    registerTools() {
        this.registerGetDifficultyAdjustmentHandler();
        this.registerGetPriceHandler();
        this.registerGetHistoricalPriceHandler();
    }
    registerGetDifficultyAdjustmentHandler() {
        this.server.tool("get-difficulty-adjustment", "Returns current and next Bitcoin difficulty adjustment info", async () => {
            const text = await this.generalService.getDifficultyAdjustment();
            return { content: [{ type: "text", text }] };
        });
    }
    registerGetPriceHandler() {
        this.server.tool("get-price", "Returns the current BTC price in various fiat currencies", async () => {
            const text = await this.generalService.getPrice();
            return { content: [{ type: "text", text }] };
        });
    }
    registerGetHistoricalPriceHandler() {
        this.server.tool("get-historical-price", "Returns the BTC price for a specific date (YYYY-MM-DD)", {
            date: z.string().regex(/^\d{4}-\d{2}-\d{2}$/).describe("The date in YYYY-MM-DD format")
        }, async ({ date }) => {
            const text = await this.generalService.getHistoricalPrice(date);
            return { content: [{ type: "text", text }] };
        });
    }
}