wehub-resource-sync
1137 lines
32 KiB
TypeScript
1137 lines
32 KiB
TypeScript
/**
|
|
* MCP Server for Travel Booking Demo.
|
|
* Registers airline and hotel booking tools with travel app UI resources.
|
|
*
|
|
* Pattern from: v2.x/apps/react/demo/mcp-apps/server.ts
|
|
*/
|
|
|
|
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
|
|
import express, { Request, Response } from "express";
|
|
import { randomUUID } from "node:crypto";
|
|
import { z } from "zod";
|
|
import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
|
|
import {
|
|
CallToolResult,
|
|
isInitializeRequest,
|
|
ReadResourceResult,
|
|
Resource,
|
|
} from "@modelcontextprotocol/sdk/types.js";
|
|
import { InMemoryEventStore } from "@modelcontextprotocol/sdk/examples/shared/inMemoryEventStore.js";
|
|
import cors from "cors";
|
|
import path from "node:path";
|
|
import fs from "node:fs/promises";
|
|
import { fileURLToPath } from "node:url";
|
|
|
|
// Import flights logic
|
|
import {
|
|
searchFlights,
|
|
selectFlight,
|
|
selectSeats,
|
|
createBooking,
|
|
} from "./src/flights.js";
|
|
|
|
// Import hotels logic
|
|
import {
|
|
searchHotels,
|
|
selectHotel,
|
|
selectRoom,
|
|
createHotelBooking,
|
|
} from "./src/hotels.js";
|
|
|
|
// Import trading logic
|
|
import {
|
|
createPortfolio,
|
|
executeTrade,
|
|
refreshPrices,
|
|
getStocks,
|
|
Portfolio,
|
|
} from "./src/stocks.js";
|
|
|
|
// Import kanban logic
|
|
import {
|
|
createBoard,
|
|
addCard,
|
|
updateCard,
|
|
deleteCard,
|
|
moveCard,
|
|
Board,
|
|
} from "./src/kanban.js";
|
|
|
|
// MCP Apps Extension protocol constant
|
|
const RESOURCE_URI_META_KEY = "ui/resourceUri";
|
|
|
|
const __filename = fileURLToPath(import.meta.url);
|
|
const __dirname = path.dirname(__filename);
|
|
|
|
// Store active portfolios by session
|
|
const activePortfolios: Map<string, Portfolio> = new Map();
|
|
|
|
// Store active boards by session
|
|
const activeBoards: Map<string, Board> = new Map();
|
|
|
|
// Load UI HTML file from apps/dist/
|
|
// __dirname points to dist/ after TypeScript compilation, but to mcp-server/ during dev (tsx)
|
|
const loadHtml = async (name: string): Promise<string> => {
|
|
// Check if we're running from dist/ (production) or source (development)
|
|
const isProduction = __dirname.endsWith("dist");
|
|
const basePath = isProduction ? path.join(__dirname, "..") : __dirname;
|
|
const htmlPath = path.join(basePath, "apps", "dist", `${name}.html`);
|
|
try {
|
|
return await fs.readFile(htmlPath, "utf-8");
|
|
} catch {
|
|
// Return placeholder HTML if not yet built
|
|
return `<!DOCTYPE html>
|
|
<html>
|
|
<head><title>${name}</title></head>
|
|
<body>
|
|
<div style="padding: 20px; font-family: system-ui;">
|
|
<h2>${name} Loading...</h2>
|
|
<p>The app UI needs to be built. Run:</p>
|
|
<code>npm run build:app</code>
|
|
</div>
|
|
</body>
|
|
</html>`;
|
|
}
|
|
};
|
|
|
|
// Create the MCP server instance
|
|
const getServer = async () => {
|
|
const server = new McpServer(
|
|
{
|
|
name: "travel-booking-mcp-server",
|
|
version: "1.0.0",
|
|
},
|
|
{ capabilities: { logging: {} } },
|
|
);
|
|
|
|
// Load app HTML files
|
|
const flightsAppHtml = await loadHtml("flights-app");
|
|
const hotelsAppHtml = await loadHtml("hotels-app");
|
|
const tradingAppHtml = await loadHtml("trading-app");
|
|
const kanbanAppHtml = await loadHtml("kanban-app");
|
|
|
|
// Helper to register a resource
|
|
const registerResource = (resource: Resource, htmlContent: string) => {
|
|
server.registerResource(
|
|
resource.name,
|
|
resource.uri,
|
|
resource,
|
|
async (): Promise<ReadResourceResult> => ({
|
|
contents: [
|
|
{
|
|
uri: resource.uri,
|
|
mimeType: resource.mimeType,
|
|
text: htmlContent,
|
|
},
|
|
],
|
|
}),
|
|
);
|
|
return resource;
|
|
};
|
|
|
|
// Register the flights app UI resource
|
|
const flightsResource = registerResource(
|
|
{
|
|
name: "flights-app-template",
|
|
uri: "ui://flights/flights-app.html",
|
|
title: "Airline Booking",
|
|
description:
|
|
"Interactive flight search and booking wizard with seat selection",
|
|
mimeType: "text/html+mcp",
|
|
},
|
|
flightsAppHtml,
|
|
);
|
|
|
|
// Register the hotels app UI resource
|
|
const hotelsResource = registerResource(
|
|
{
|
|
name: "hotels-app-template",
|
|
uri: "ui://hotels/hotels-app.html",
|
|
title: "Hotel Booking",
|
|
description:
|
|
"Interactive hotel search and booking wizard with room selection",
|
|
mimeType: "text/html+mcp",
|
|
},
|
|
hotelsAppHtml,
|
|
);
|
|
|
|
// Register the trading app UI resource
|
|
const tradingResource = registerResource(
|
|
{
|
|
name: "trading-app-template",
|
|
uri: "ui://trading/trading-app.html",
|
|
title: "Investment Simulator",
|
|
description:
|
|
"Interactive portfolio UI with holdings, charts, and trading",
|
|
mimeType: "text/html+mcp",
|
|
},
|
|
tradingAppHtml,
|
|
);
|
|
|
|
// Register the kanban app UI resource
|
|
const kanbanResource = registerResource(
|
|
{
|
|
name: "kanban-app-template",
|
|
uri: "ui://kanban/kanban-app.html",
|
|
title: "Kanban Board",
|
|
description: "Interactive task board with drag-drop cards and columns",
|
|
mimeType: "text/html+mcp",
|
|
},
|
|
kanbanAppHtml,
|
|
);
|
|
|
|
// ============================================
|
|
// AIRLINE BOOKING TOOLS
|
|
// ============================================
|
|
|
|
// Register search-flights tool (main tool with UI)
|
|
server.registerTool(
|
|
"search-flights",
|
|
{
|
|
title: "Search Flights",
|
|
description:
|
|
"Searches for available flights between two airports. Returns an interactive booking wizard UI.",
|
|
inputSchema: {
|
|
origin: z
|
|
.string()
|
|
.describe("Origin airport code (e.g., JFK, LAX, LHR)"),
|
|
destination: z.string().describe("Destination airport code"),
|
|
departureDate: z
|
|
.string()
|
|
.describe("Departure date in YYYY-MM-DD format"),
|
|
passengers: z
|
|
.number()
|
|
.min(1)
|
|
.max(9)
|
|
.describe("Number of passengers (1-9)"),
|
|
cabinClass: z
|
|
.enum(["economy", "business", "first"])
|
|
.optional()
|
|
.describe("Cabin class (default: economy)"),
|
|
},
|
|
_meta: {
|
|
[RESOURCE_URI_META_KEY]: flightsResource.uri,
|
|
},
|
|
},
|
|
async ({
|
|
origin,
|
|
destination,
|
|
departureDate,
|
|
passengers,
|
|
cabinClass,
|
|
}): Promise<CallToolResult> => {
|
|
try {
|
|
const search = searchFlights({
|
|
origin,
|
|
destination,
|
|
departureDate,
|
|
passengers,
|
|
cabinClass: cabinClass || "economy",
|
|
});
|
|
|
|
const flightSummary = search.flights
|
|
.slice(0, 3)
|
|
.map(
|
|
(f) =>
|
|
`${f.airline.code}${f.flightNumber.slice(2)} ${f.departureTime}-${f.arrivalTime} $${f.price}`,
|
|
)
|
|
.join(", ");
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Found ${search.flights.length} flights from ${origin} to ${destination} on ${departureDate}:\n\n${flightSummary}...`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
search,
|
|
summary: {
|
|
flightCount: search.flights.length,
|
|
origin,
|
|
destination,
|
|
date: departureDate,
|
|
passengers,
|
|
},
|
|
},
|
|
};
|
|
} catch (error) {
|
|
return {
|
|
content: [
|
|
{ type: "text", text: `Error: ${(error as Error).message}` },
|
|
],
|
|
structuredContent: {
|
|
success: false,
|
|
error: (error as Error).message,
|
|
},
|
|
};
|
|
}
|
|
},
|
|
);
|
|
|
|
// Register select-flight tool (helper for UI)
|
|
server.registerTool(
|
|
"select-flight",
|
|
{
|
|
title: "Select Flight",
|
|
description:
|
|
"Selects a flight from search results and returns the seat map",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
flightId: z.string().describe("The flight ID to select"),
|
|
},
|
|
},
|
|
async ({ searchId, flightId }): Promise<CallToolResult> => {
|
|
const result = selectFlight(searchId, flightId);
|
|
|
|
if (!result) {
|
|
return {
|
|
content: [{ type: "text", text: "Flight or search not found." }],
|
|
structuredContent: {
|
|
success: false,
|
|
error: "Flight or search not found",
|
|
},
|
|
};
|
|
}
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Selected ${result.flight.airline.name} ${result.flight.flightNumber} (${result.flight.departureTime}-${result.flight.arrivalTime}). Please choose your seats.`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
success: true,
|
|
flight: result.flight,
|
|
seatMap: result.seatMap,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register select-seats tool (helper for UI)
|
|
server.registerTool(
|
|
"select-seats",
|
|
{
|
|
title: "Select Seats",
|
|
description: "Selects seats for the chosen flight",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
flightId: z.string().describe("The flight ID"),
|
|
seats: z
|
|
.array(z.string())
|
|
.describe("Array of seat IDs (e.g., ['12A', '12B'])"),
|
|
},
|
|
},
|
|
async ({ searchId, flightId, seats }): Promise<CallToolResult> => {
|
|
const result = selectSeats(searchId, flightId, seats);
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: result.success,
|
|
selectedSeats: result.selectedSeats,
|
|
totalSeatFee: result.totalSeatFee,
|
|
error: result.success ? undefined : result.message,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register book-flight tool (helper for UI)
|
|
server.registerTool(
|
|
"book-flight",
|
|
{
|
|
title: "Book Flight",
|
|
description: "Completes the flight booking with passenger details",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
passengers: z
|
|
.array(
|
|
z.object({
|
|
name: z.string().describe("Passenger full name"),
|
|
email: z.string().describe("Passenger email"),
|
|
phone: z.string().describe("Passenger phone number"),
|
|
}),
|
|
)
|
|
.describe("Passenger information"),
|
|
},
|
|
},
|
|
async ({ searchId, passengers }): Promise<CallToolResult> => {
|
|
const result = createBooking(searchId, passengers);
|
|
|
|
if (!result.success || !result.booking) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Booking confirmed! Confirmation: ${result.booking.confirmationNumber}\n\nFlight: ${result.booking.flight.airline.name} ${result.booking.flight.flightNumber}\nRoute: ${result.booking.flight.origin.code} → ${result.booking.flight.destination.code}\nSeats: ${result.booking.seats.join(", ")}\nTotal: $${result.booking.totalPrice.toFixed(2)}`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
success: true,
|
|
booking: result.booking,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// ============================================
|
|
// HOTEL BOOKING TOOLS
|
|
// ============================================
|
|
|
|
// Register search-hotels tool (main tool with UI)
|
|
server.registerTool(
|
|
"search-hotels",
|
|
{
|
|
title: "Search Hotels",
|
|
description:
|
|
"Searches for available hotels in a city. Returns an interactive booking wizard UI.",
|
|
inputSchema: {
|
|
city: z.string().describe("City name (e.g., Paris, New York, Tokyo)"),
|
|
checkIn: z.string().describe("Check-in date in YYYY-MM-DD format"),
|
|
checkOut: z.string().describe("Check-out date in YYYY-MM-DD format"),
|
|
guests: z.number().min(1).max(6).describe("Number of guests (1-6)"),
|
|
rooms: z
|
|
.number()
|
|
.min(1)
|
|
.max(4)
|
|
.optional()
|
|
.describe("Number of rooms needed (default: 1)"),
|
|
},
|
|
_meta: {
|
|
[RESOURCE_URI_META_KEY]: hotelsResource.uri,
|
|
},
|
|
},
|
|
async ({
|
|
city,
|
|
checkIn,
|
|
checkOut,
|
|
guests,
|
|
rooms,
|
|
}): Promise<CallToolResult> => {
|
|
try {
|
|
const search = searchHotels({
|
|
city,
|
|
checkIn,
|
|
checkOut,
|
|
guests,
|
|
rooms: rooms || 1,
|
|
});
|
|
|
|
const hotelSummary = search.hotels
|
|
.slice(0, 3)
|
|
.map(
|
|
(h) =>
|
|
`${"★".repeat(h.stars)} ${h.name} (${h.rating}/10) from $${h.pricePerNight}/night`,
|
|
)
|
|
.join("\n");
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Found ${search.hotels.length} hotels in ${city} for ${search.searchParams.nights} night(s):\n\n${hotelSummary}`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
search,
|
|
summary: {
|
|
hotelCount: search.hotels.length,
|
|
city,
|
|
checkIn,
|
|
checkOut,
|
|
nights: search.searchParams.nights,
|
|
guests,
|
|
},
|
|
},
|
|
};
|
|
} catch (error) {
|
|
return {
|
|
content: [
|
|
{ type: "text", text: `Error: ${(error as Error).message}` },
|
|
],
|
|
structuredContent: {
|
|
success: false,
|
|
error: (error as Error).message,
|
|
},
|
|
};
|
|
}
|
|
},
|
|
);
|
|
|
|
// Register select-hotel tool (helper for UI)
|
|
server.registerTool(
|
|
"select-hotel",
|
|
{
|
|
title: "Select Hotel",
|
|
description:
|
|
"Selects a hotel from search results and returns available rooms",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
hotelId: z.string().describe("The hotel ID to select"),
|
|
},
|
|
},
|
|
async ({ searchId, hotelId }): Promise<CallToolResult> => {
|
|
const result = selectHotel(searchId, hotelId);
|
|
|
|
if (!result) {
|
|
return {
|
|
content: [{ type: "text", text: "Hotel or search not found." }],
|
|
structuredContent: {
|
|
success: false,
|
|
error: "Hotel or search not found",
|
|
},
|
|
};
|
|
}
|
|
|
|
const roomSummary = result.rooms
|
|
.map((r) => `${r.name}: $${r.pricePerNight}/night`)
|
|
.join(", ");
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Selected ${result.hotel.name} (${"★".repeat(result.hotel.stars)}). Available rooms: ${roomSummary}`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
success: true,
|
|
hotel: result.hotel,
|
|
rooms: result.rooms,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register select-room tool (helper for UI)
|
|
server.registerTool(
|
|
"select-room",
|
|
{
|
|
title: "Select Room",
|
|
description: "Selects a room type and quantity for the booking",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
hotelId: z.string().describe("The hotel ID"),
|
|
roomId: z.string().describe("The room type ID"),
|
|
quantity: z.number().min(1).max(4).describe("Number of rooms"),
|
|
},
|
|
},
|
|
async ({
|
|
searchId,
|
|
hotelId,
|
|
roomId,
|
|
quantity,
|
|
}): Promise<CallToolResult> => {
|
|
const result = selectRoom(searchId, hotelId, roomId, quantity);
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: result.success,
|
|
room: result.room,
|
|
totalPrice: result.totalPrice,
|
|
error: result.success ? undefined : result.message,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register book-hotel tool (helper for UI)
|
|
server.registerTool(
|
|
"book-hotel",
|
|
{
|
|
title: "Book Hotel",
|
|
description: "Completes the hotel booking with guest details",
|
|
inputSchema: {
|
|
searchId: z.string().describe("The search session ID"),
|
|
guests: z
|
|
.array(
|
|
z.object({
|
|
name: z.string().describe("Guest full name"),
|
|
email: z.string().describe("Guest email"),
|
|
}),
|
|
)
|
|
.describe("Guest information"),
|
|
specialRequests: z
|
|
.string()
|
|
.optional()
|
|
.describe("Special requests for the hotel"),
|
|
},
|
|
},
|
|
async ({ searchId, guests, specialRequests }): Promise<CallToolResult> => {
|
|
const result = createHotelBooking(searchId, guests, specialRequests);
|
|
|
|
if (!result.success || !result.booking) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Booking confirmed! Confirmation: ${result.booking.confirmationNumber}\n\nHotel: ${result.booking.hotel.name}\nRoom: ${result.booking.roomQuantity}x ${result.booking.room.name}\nDates: ${result.booking.checkIn} to ${result.booking.checkOut} (${result.booking.nights} nights)\nTotal: $${result.booking.totalPrice.toFixed(2)}`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
success: true,
|
|
booking: result.booking,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// ============================================
|
|
// INVESTMENT SIMULATOR TOOLS
|
|
// ============================================
|
|
|
|
// Register create-portfolio tool (main tool with UI)
|
|
server.registerTool(
|
|
"create-portfolio",
|
|
{
|
|
title: "Create Portfolio",
|
|
description:
|
|
"Creates an investment portfolio based on initial balance, risk tolerance, and focus area. Returns an interactive UI for trading.",
|
|
inputSchema: {
|
|
initialBalance: z
|
|
.number()
|
|
.min(1000)
|
|
.max(1000000)
|
|
.describe("Starting cash balance (1000-1000000)"),
|
|
riskTolerance: z
|
|
.enum(["conservative", "moderate", "aggressive"])
|
|
.describe("Risk tolerance level"),
|
|
focus: z
|
|
.enum(["tech", "healthcare", "diversified", "growth", "dividend"])
|
|
.describe("Portfolio focus area"),
|
|
},
|
|
_meta: {
|
|
[RESOURCE_URI_META_KEY]: tradingResource.uri,
|
|
},
|
|
},
|
|
async ({
|
|
initialBalance,
|
|
riskTolerance,
|
|
focus,
|
|
}): Promise<CallToolResult> => {
|
|
// Create the portfolio
|
|
const { portfolio, availableStocks } = createPortfolio({
|
|
initialBalance,
|
|
riskTolerance,
|
|
focus,
|
|
});
|
|
|
|
// Store portfolio for later trades
|
|
activePortfolios.set(portfolio.id, portfolio);
|
|
|
|
// Build holdings summary
|
|
const holdingsSummary = portfolio.holdings
|
|
.slice(0, 3)
|
|
.map((h) => `${h.symbol}: ${h.shares} shares`)
|
|
.join(", ");
|
|
|
|
const plSign = portfolio.totalProfitLoss >= 0 ? "+" : "";
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Created ${focus} portfolio ($${initialBalance.toLocaleString()}, ${riskTolerance} risk):\n\nTotal Value: $${portfolio.totalValue.toLocaleString()}\nP/L: ${plSign}$${portfolio.totalProfitLoss.toFixed(2)}\nCash: $${portfolio.cash.toLocaleString()}\n\nHoldings: ${holdingsSummary}...`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
portfolio,
|
|
availableStocks,
|
|
summary: {
|
|
totalValue: portfolio.totalValue,
|
|
profitLoss: portfolio.totalProfitLoss,
|
|
cash: portfolio.cash,
|
|
holdingsCount: portfolio.holdings.length,
|
|
allocation: portfolio.allocation,
|
|
},
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register execute-trade tool (helper for UI callbacks)
|
|
server.registerTool(
|
|
"execute-trade",
|
|
{
|
|
title: "Execute Trade",
|
|
description: "Buys or sells shares of a stock in the portfolio",
|
|
inputSchema: {
|
|
portfolioId: z.string().describe("The portfolio ID"),
|
|
symbol: z.string().describe("Stock symbol to trade"),
|
|
action: z.enum(["buy", "sell"]).describe("Trade action"),
|
|
quantity: z.number().min(1).describe("Number of shares"),
|
|
},
|
|
},
|
|
async ({
|
|
portfolioId,
|
|
symbol,
|
|
action,
|
|
quantity,
|
|
}): Promise<CallToolResult> => {
|
|
const result = executeTrade(portfolioId, symbol, action, quantity);
|
|
|
|
if (!result.success) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
// Update stored portfolio
|
|
if (result.portfolio) {
|
|
activePortfolios.set(portfolioId, result.portfolio);
|
|
}
|
|
|
|
// Get available stocks for the UI
|
|
const allStocks = getStocks();
|
|
const holdingSymbols = new Set(
|
|
result.portfolio?.holdings.map((h) => h.symbol) || [],
|
|
);
|
|
const availableStocks = allStocks.filter(
|
|
(s) => !holdingSymbols.has(s.symbol),
|
|
);
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: true,
|
|
trade: result.trade,
|
|
portfolio: result.portfolio,
|
|
availableStocks,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register refresh-prices tool (helper for UI)
|
|
server.registerTool(
|
|
"refresh-prices",
|
|
{
|
|
title: "Refresh Prices",
|
|
description: "Simulates market movement by updating stock prices",
|
|
inputSchema: {
|
|
portfolioId: z.string().describe("The portfolio ID"),
|
|
},
|
|
},
|
|
async ({ portfolioId }): Promise<CallToolResult> => {
|
|
const result = refreshPrices(portfolioId);
|
|
|
|
if (!result) {
|
|
return {
|
|
content: [
|
|
{ type: "text", text: `Portfolio ${portfolioId} not found.` },
|
|
],
|
|
structuredContent: { success: false, error: "Portfolio not found" },
|
|
};
|
|
}
|
|
|
|
// Update stored portfolio
|
|
activePortfolios.set(portfolioId, result.portfolio);
|
|
|
|
const plSign = result.portfolio.totalProfitLoss >= 0 ? "+" : "";
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Prices refreshed. Portfolio: $${result.portfolio.totalValue.toLocaleString()} (${plSign}$${result.portfolio.totalProfitLoss.toFixed(2)})`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
success: true,
|
|
portfolio: result.portfolio,
|
|
availableStocks: result.availableStocks,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// ============================================
|
|
// KANBAN BOARD TOOLS
|
|
// ============================================
|
|
|
|
// Register create-board tool (main tool with UI)
|
|
server.registerTool(
|
|
"create-board",
|
|
{
|
|
title: "Create Kanban Board",
|
|
description:
|
|
"Creates a kanban board for project management with customizable columns and cards. Returns an interactive drag-drop UI.",
|
|
inputSchema: {
|
|
projectName: z.string().describe("Name for the project board"),
|
|
template: z
|
|
.enum(["blank", "software", "marketing", "personal"])
|
|
.describe(
|
|
"Board template with pre-configured columns and sample cards",
|
|
),
|
|
},
|
|
_meta: {
|
|
[RESOURCE_URI_META_KEY]: kanbanResource.uri,
|
|
},
|
|
},
|
|
async ({ projectName, template }): Promise<CallToolResult> => {
|
|
// Create the board
|
|
const board = createBoard(projectName, template);
|
|
|
|
// Store board for later operations
|
|
activeBoards.set(board.id, board);
|
|
|
|
const totalCards = board.columns.reduce(
|
|
(sum, c) => sum + c.cards.length,
|
|
0,
|
|
);
|
|
|
|
return {
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text: `Created "${projectName}" board (${template} template):\n\nColumns: ${board.columns.map((c) => c.name).join(", ")}\nTotal cards: ${totalCards}`,
|
|
},
|
|
],
|
|
structuredContent: {
|
|
board,
|
|
summary: {
|
|
name: board.name,
|
|
columnsCount: board.columns.length,
|
|
cardsCount: totalCards,
|
|
template,
|
|
},
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register move-card tool (helper for drag-drop)
|
|
server.registerTool(
|
|
"move-card",
|
|
{
|
|
title: "Move Card",
|
|
description: "Moves a card to a different column on the board",
|
|
inputSchema: {
|
|
boardId: z.string().describe("The board ID"),
|
|
cardId: z.string().describe("The card ID to move"),
|
|
targetColumnId: z.string().describe("Target column ID"),
|
|
position: z
|
|
.number()
|
|
.optional()
|
|
.describe("Position in column (default: end)"),
|
|
},
|
|
},
|
|
async ({
|
|
boardId,
|
|
cardId,
|
|
targetColumnId,
|
|
position,
|
|
}): Promise<CallToolResult> => {
|
|
const result = moveCard(boardId, cardId, targetColumnId, position);
|
|
|
|
if (!result.success) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
// Update stored board
|
|
if (result.board) {
|
|
activeBoards.set(boardId, result.board);
|
|
}
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: true,
|
|
board: result.board,
|
|
card: result.card,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register add-card tool (helper for UI)
|
|
server.registerTool(
|
|
"add-card",
|
|
{
|
|
title: "Add Card",
|
|
description: "Adds a new card to a column",
|
|
inputSchema: {
|
|
boardId: z.string().describe("The board ID"),
|
|
columnId: z.string().describe("The column ID"),
|
|
title: z.string().describe("Card title"),
|
|
description: z.string().optional().describe("Card description"),
|
|
priority: z
|
|
.enum(["low", "medium", "high"])
|
|
.optional()
|
|
.describe("Card priority"),
|
|
},
|
|
},
|
|
async ({
|
|
boardId,
|
|
columnId,
|
|
title,
|
|
description,
|
|
priority,
|
|
}): Promise<CallToolResult> => {
|
|
const result = addCard(boardId, columnId, {
|
|
title,
|
|
description,
|
|
priority: priority || "medium",
|
|
tags: [],
|
|
});
|
|
|
|
if (!result.success) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
// Update stored board
|
|
if (result.board) {
|
|
activeBoards.set(boardId, result.board);
|
|
}
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: true,
|
|
board: result.board,
|
|
card: result.card,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register update-card tool (helper for UI)
|
|
server.registerTool(
|
|
"update-card",
|
|
{
|
|
title: "Update Card",
|
|
description: "Updates an existing card's title, description, or priority",
|
|
inputSchema: {
|
|
boardId: z.string().describe("The board ID"),
|
|
cardId: z.string().describe("The card ID"),
|
|
updates: z
|
|
.object({
|
|
title: z.string().optional(),
|
|
description: z.string().optional(),
|
|
priority: z.enum(["low", "medium", "high"]).optional(),
|
|
})
|
|
.describe("Fields to update"),
|
|
},
|
|
},
|
|
async ({ boardId, cardId, updates }): Promise<CallToolResult> => {
|
|
const result = updateCard(boardId, cardId, updates);
|
|
|
|
if (!result.success) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
// Update stored board
|
|
if (result.board) {
|
|
activeBoards.set(boardId, result.board);
|
|
}
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: true,
|
|
board: result.board,
|
|
card: result.card,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
// Register delete-card tool (helper for UI)
|
|
server.registerTool(
|
|
"delete-card",
|
|
{
|
|
title: "Delete Card",
|
|
description: "Removes a card from the board",
|
|
inputSchema: {
|
|
boardId: z.string().describe("The board ID"),
|
|
cardId: z.string().describe("The card ID to delete"),
|
|
},
|
|
},
|
|
async ({ boardId, cardId }): Promise<CallToolResult> => {
|
|
const result = deleteCard(boardId, cardId);
|
|
|
|
if (!result.success) {
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: { success: false, error: result.message },
|
|
};
|
|
}
|
|
|
|
// Update stored board
|
|
if (result.board) {
|
|
activeBoards.set(boardId, result.board);
|
|
}
|
|
|
|
return {
|
|
content: [{ type: "text", text: result.message }],
|
|
structuredContent: {
|
|
success: true,
|
|
board: result.board,
|
|
deletedCard: result.card,
|
|
},
|
|
};
|
|
},
|
|
);
|
|
|
|
return server;
|
|
};
|
|
|
|
// Express server setup
|
|
const PORT = process.env.PORT ? parseInt(process.env.PORT, 10) : 3001;
|
|
|
|
const app = express();
|
|
app.use(express.json());
|
|
app.use(
|
|
cors({
|
|
origin: "*",
|
|
exposedHeaders: ["Mcp-Session-Id"],
|
|
}),
|
|
);
|
|
|
|
// Session management for MCP connections
|
|
const transports: { [sessionId: string]: StreamableHTTPServerTransport } = {};
|
|
|
|
// MCP POST handler - main entry point for MCP requests
|
|
const mcpPostHandler = async (req: Request, res: Response) => {
|
|
const sessionId = req.headers["mcp-session-id"] as string | undefined;
|
|
|
|
try {
|
|
let transport: StreamableHTTPServerTransport;
|
|
|
|
if (sessionId && transports[sessionId]) {
|
|
// Existing session
|
|
transport = transports[sessionId];
|
|
} else if (!sessionId && isInitializeRequest(req.body)) {
|
|
// New session initialization - eventStore enables resumability for MCP Apps
|
|
const eventStore = new InMemoryEventStore();
|
|
transport = new StreamableHTTPServerTransport({
|
|
sessionIdGenerator: () => randomUUID(),
|
|
eventStore,
|
|
onsessioninitialized: (sid) => {
|
|
console.log(`[MCP] Session initialized: ${sid}`);
|
|
transports[sid] = transport;
|
|
},
|
|
});
|
|
|
|
transport.onclose = () => {
|
|
const sid = transport.sessionId;
|
|
if (sid && transports[sid]) {
|
|
console.log(`[MCP] Session closed: ${sid}`);
|
|
delete transports[sid];
|
|
}
|
|
};
|
|
|
|
const server = await getServer();
|
|
await server.connect(transport);
|
|
await transport.handleRequest(req, res, req.body);
|
|
return;
|
|
} else {
|
|
// Invalid request
|
|
res.status(400).json({
|
|
jsonrpc: "2.0",
|
|
error: { code: -32000, message: "Bad Request: No valid session ID" },
|
|
id: null,
|
|
});
|
|
return;
|
|
}
|
|
|
|
await transport.handleRequest(req, res, req.body);
|
|
} catch (error) {
|
|
console.error("[MCP] Error handling request:", error);
|
|
if (!res.headersSent) {
|
|
res.status(500).json({
|
|
jsonrpc: "2.0",
|
|
error: { code: -32603, message: "Internal server error" },
|
|
id: null,
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
// Routes
|
|
app.post("/mcp", mcpPostHandler);
|
|
|
|
app.get("/mcp", async (req: Request, res: Response) => {
|
|
const sessionId = req.headers["mcp-session-id"] as string | undefined;
|
|
if (!sessionId || !transports[sessionId]) {
|
|
res.status(400).send("Invalid or missing session ID");
|
|
return;
|
|
}
|
|
const transport = transports[sessionId];
|
|
await transport.handleRequest(req, res);
|
|
});
|
|
|
|
app.delete("/mcp", async (req: Request, res: Response) => {
|
|
const sessionId = req.headers["mcp-session-id"] as string | undefined;
|
|
if (!sessionId || !transports[sessionId]) {
|
|
res.status(400).send("Invalid or missing session ID");
|
|
return;
|
|
}
|
|
try {
|
|
const transport = transports[sessionId];
|
|
await transport.handleRequest(req, res);
|
|
} catch (error) {
|
|
console.error("[MCP] Error handling session termination:", error);
|
|
if (!res.headersSent) {
|
|
res.status(500).send("Error processing session termination");
|
|
}
|
|
}
|
|
});
|
|
|
|
// Health check endpoint
|
|
app.get("/health", (_req: Request, res: Response) => {
|
|
res.json({
|
|
status: "ok",
|
|
server: "travel-booking-mcp",
|
|
sessions: Object.keys(transports).length,
|
|
});
|
|
});
|
|
|
|
// Start server
|
|
app.listen(PORT, () => {
|
|
console.log(
|
|
`[Travel Booking MCP Server] Running at http://localhost:${PORT}/mcp`,
|
|
);
|
|
console.log(`[Health Check] http://localhost:${PORT}/health`);
|
|
});
|
|
|
|
// Graceful shutdown
|
|
process.on("SIGINT", async () => {
|
|
console.log("\n[MCP] Shutting down...");
|
|
for (const sessionId in transports) {
|
|
try {
|
|
await transports[sessionId].close();
|
|
delete transports[sessionId];
|
|
} catch (error) {
|
|
console.error(`[MCP] Error closing session ${sessionId}:`, error);
|
|
}
|
|
}
|
|
process.exit(0);
|
|
});
|