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/**
* 다중 서비스 MCP 서버
*
* Cloudflare Workers에서 실행되는 플러그인 기반 MCP 서버입니다.
* 다이소, 편의점, 백화점 등 다양한 서비스를 확장할 수 있습니다.
*/
import { Hono, type Context } from 'hono';
import { cors } from 'hono/cors';
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { WebStandardStreamableHTTPServerTransport } from '@modelcontextprotocol/sdk/server/webStandardStreamableHttp.js';
import { ServiceRegistry } from './core/registry.js';
import { createDaisoService } from './services/daiso/index.js';
import { createOliveyoungService } from './services/oliveyoung/index.js';
import { createDtryxService } from './services/dtryx/index.js';
import { createMegaboxService } from './services/megabox/index.js';
import { createCgvService } from './services/cgv/index.js';
import { createLotteCinemaService } from './services/lottecinema/index.js';
import { createLotteMartService } from './services/lottemart/index.js';
import { createCuService } from './services/cu/index.js';
import { createEmart24Service } from './services/emart24/index.js';
import { createGs25Service } from './services/gs25/index.js';
import { createSevenElevenService } from './services/seveneleven/index.js';
import { createPlacesService } from './services/places/index.js';
import { createOpinetService } from './services/opinet/index.js';
import { createCompareService } from './services/compare/index.js';
import { createFeedbackService } from './services/feedback/index.js';
import { createPromptResponse } from './pages/prompt.js';
import {
createFullOpenApiJsonResponse,
createFullOpenApiYamlResponse,
createOpenApiJsonResponse,
createOpenApiYamlResponse,
} from './pages/openapi.js';
import { createPrivacyResponse } from './pages/privacy.js';
import type { AppBindings } from './api/response.js';
import { buildActionQueryTargetUrl } from './api/actionsProxy.js';
import { registerHealthRoutes } from './api/routes/healthRoutes.js';
import { registerServiceRoutes } from './api/routes/registerServiceRoutes.js';
import { registerRateLimitStatsRoutes } from './api/routes/rateLimitStatsRoutes.js';
import { buildConfigStatus } from './api/configStatus.js';
import { createDailyRateLimitMiddleware } from './middleware/dailyRateLimit.js';
export { DailyRateLimiter } from './durableObjects/dailyRateLimiter.js';
// 서버 메타데이터
const SERVER_NAME = 'multi-service-mcp';
const SERVER_VERSION = '1.0.0';
const SESSION_HEADER = 'mcp-session-id';
// 세션별 MCP 전송 계층/서버를 유지해 GET/POST/DELETE를 일관 처리합니다.
const mcpSessions = new Map<
string,
{
server: McpServer;
transport: WebStandardStreamableHTTPServerTransport;
}
>();
/**
* 요청 컨텍스트 기반 서비스 레지스트리 생성
*/
const createRegistry = (bindings?: AppBindings) => {
const registry = new ServiceRegistry();
registry.registerAll([
createDaisoService,
() =>
createGs25Service({
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
zyteApiKey: bindings?.ZYTE_API_KEY,
apiKey: bindings?.GS25_API_KEY,
}),
() => createSevenElevenService({ zyteApiKey: bindings?.ZYTE_API_KEY }),
createCompareService,
() =>
createFeedbackService({
supabaseUrl: bindings?.SUPABASE_URL,
supabaseServiceRoleKey: bindings?.SUPABASE_SERVICE_ROLE_KEY,
}),
() =>
createPlacesService({
naverClientId: bindings?.NAVER_CLIENT_ID,
naverClientSecret: bindings?.NAVER_CLIENT_SECRET,
}),
() =>
createOpinetService({
apiKey: bindings?.OPINET_API_KEY,
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
}),
() =>
createCuService({
zyteApiKey: bindings?.ZYTE_API_KEY,
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
}),
createEmart24Service,
() =>
createLotteMartService({
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
zyteApiKey: bindings?.ZYTE_API_KEY,
}),
createMegaboxService,
createDtryxService,
() =>
createLotteCinemaService({
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
}),
() =>
createCgvService({
zyteApiKey: bindings?.ZYTE_API_KEY,
googleMapsApiKey: bindings?.GOOGLE_MAPS_API_KEY,
}),
() =>
createOliveyoungService({
zyteApiKey: bindings?.ZYTE_API_KEY,
}),
]);
return registry;
};
/**
* MCP 서버 생성 함수
*/
const createMcpServer = (bindings?: AppBindings) => {
const registry = createRegistry(bindings);
const server = new McpServer({
name: SERVER_NAME,
version: SERVER_VERSION,
});
registry.applyToServer(server);
return server;
};
function buildRootInfo() {
const registry = createRegistry();
const services = registry.getServicesInfo();
const allTools = registry.getAllToolNames();
return {
name: SERVER_NAME,
version: SERVER_VERSION,
description: 'Multi-Service MCP Server for Cloudflare Workers',
endpoints: {
mcp: '/ 또는 /mcp (POST) - MCP 프로토콜 엔드포인트',
health: '/health (GET) - 헬스 체크',
healthChecks: '/api/health/checks (GET) - 서비스별 상세 헬스 체크',
openapi: '/openapi.json (GET) - OpenAI Actions용 축약 OpenAPI',
openapiFull: '/openapi-full.json (GET) - 전체 OpenAPI',
actionsQuery: '/api/actions/query (GET) - 기존 GET API 통합 facade',
compareProducts: '/api/compare/products (GET) - 키 없는 통합 상품 가격 후보 비교',
opinetAverage: '/api/opinet/average (GET) - 오피넷 전국 평균 유가',
opinetLowest: '/api/opinet/lowest (GET) - 오피넷 최저가 주유소',
developerRequests: '/api/feedback/requests (POST/GET) - 개발자 요청 제출',
},
services,
tools: allTools,
totalServices: services.length,
totalTools: allTools.length,
};
}
const ROOT_INFO_JSON = JSON.stringify(buildRootInfo());
const ROOT_INFO_BODY = new TextEncoder().encode(ROOT_INFO_JSON);
const ROOT_INFO_HEADERS = {
'Content-Type': 'application/json; charset=utf-8',
'Content-Length': String(ROOT_INFO_BODY.byteLength),
'Access-Control-Allow-Origin': '*',
'Cache-Control': 'public, max-age=300, s-maxage=3600, stale-while-revalidate=86400',
};
function isRootInfoRequest(request: Request): boolean {
if (request.method !== 'GET' && request.method !== 'HEAD') {
return false;
}
const url = new URL(request.url);
return url.pathname === '/' && url.search === '';
}
function createRootInfoResponse(method: string): Response {
return new Response(method === 'HEAD' ? null : ROOT_INFO_BODY, {
status: 200,
headers: ROOT_INFO_HEADERS,
});
}
/**
* initialize 요청 여부를 확인합니다.
*/
const isInitializeRequest = (body: unknown): boolean => {
if (Array.isArray(body)) {
return body.some(
(item) =>
typeof item === 'object' &&
item !== null &&
(item as { method?: unknown }).method === 'initialize',
);
}
return (
typeof body === 'object' &&
body !== null &&
(body as { method?: unknown }).method === 'initialize'
);
};
/**
* 새 세션 transport/server를 생성합니다.
*/
const createSessionTransport = (bindings?: AppBindings) => {
const server = createMcpServer(bindings);
const transport = new WebStandardStreamableHTTPServerTransport({
sessionIdGenerator: () => crypto.randomUUID(),
onsessioninitialized: (sessionId) => {
mcpSessions.set(sessionId, { server, transport });
},
onsessionclosed: (sessionId) => {
mcpSessions.delete(sessionId);
},
});
return { server, transport };
};
/**
* /mcp 요청을 세션 기반으로 처리합니다.
*/
const handleMcpRequest = async (c: Context<{ Bindings: AppBindings }>) => {
const sessionId = c.req.header(SESSION_HEADER);
if (sessionId) {
const existing = mcpSessions.get(sessionId);
if (!existing) {
if (c.req.method === 'POST') {
const transport = new WebStandardStreamableHTTPServerTransport();
const server = createMcpServer(c.env);
await server.connect(transport);
const response = await transport.handleRequest(c.req.raw);
response.headers.set('x-mcp-session-fallback', 'stateless');
return response;
}
return c.json(
{
error: 'Session not found',
message: '유효하지 않은 mcp-session-id 입니다. initialize 요청부터 다시 시작해주세요.',
},
404,
);
}
return existing.transport.handleRequest(c.req.raw);
}
if (c.req.method === 'POST') {
const parsedBody = await c.req.raw
.clone()
.json()
.catch(() => undefined);
if (!isInitializeRequest(parsedBody)) {
return c.json(
{
error: 'Bad Request',
message: '세션이 없습니다. 먼저 initialize 요청으로 세션을 생성해주세요.',
},
400,
);
}
const { server, transport } = createSessionTransport(c.env);
await server.connect(transport);
return transport.handleRequest(c.req.raw, { parsedBody });
}
return c.json(
{
error: 'Bad Request',
message: `세션이 없습니다. 먼저 POST /mcp initialize 요청 후 ${SESSION_HEADER} 헤더를 사용해주세요.`,
},
400,
);
};
const handleRootMcpRequest = async (c: Context<{ Bindings: AppBindings }>) => {
if (c.req.header(SESSION_HEADER) || c.req.method === 'DELETE') {
return handleMcpRequest(c);
}
const parsedBody = await c.req.raw
.clone()
.json()
.catch(() => undefined);
AB5A
if (isInitializeRequest(parsedBody)) {
const { server, transport } = createSessionTransport(c.env);
await server.connect(transport);
return transport.handleRequest(c.req.raw, { parsedBody });
}
const transport = new WebStandardStreamableHTTPServerTransport();
const server = createMcpServer(c.env);
await server.connect(transport);
return transport.handleRequest(c.req.raw, { parsedBody });
};
// Hono 앱 생성
const app = new Hono<{ Bindings: AppBindings }>();
// CORS 설정
app.use(
'*',
cors({
origin: '*',
allowMethods: ['GET', 'POST', 'DELETE', 'OPTIONS'],
allowHeaders: [
'Content-Type',
'Authorization',
'x-health-check-key',
'mcp-session-id',
'Last-Event-ID',
'mcp-protocol-version',
],
exposeHeaders: ['mcp-session-id', 'mcp-protocol-version'],
}),
);
// Zyte 연동 공개 GET API의 일일 호출량을 IP별로 제한합니다.
app.use('/api/*', createDailyRateLimitMiddleware());
// 기본 정보 엔드포인트 (GET 요청만)
app.get('/', (c) => {
return c.body(ROOT_INFO_JSON, 200, ROOT_INFO_HEADERS);
});
// 루트 경로에서 MCP 요청 처리 (POST, DELETE)
app.on(['POST', 'DELETE'], '/', handleRootMcpRequest);
// 헬스 체크 엔드포인트
app.get('/health', (c) => c.json({ status: 'ok', config: buildConfigStatus(c.env) }));
registerHealthRoutes(app);
registerRateLimitStatsRoutes(app);
registerServiceRoutes(app);
// 프롬프트 페이지 (MCP 미지원 에이전트용)
app.get('/prompt', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createPromptResponse(baseUrl);
});
// OpenAPI 스펙 엔드포인트 (ChatGPT GPTs 등록용)
app.get('/openapi.json', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createOpenApiJsonResponse(baseUrl);
});
app.get('/openapi.yaml', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createOpenApiYamlResponse(baseUrl);
});
app.get('/openapi-full.json', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createFullOpenApiJsonResponse(baseUrl);
});
app.get('/openapi-full.yaml', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createFullOpenApiYamlResponse(baseUrl);
});
// 개인정보 처리방침 페이지
app.get('/privacy', (c) => {
const baseUrl = new URL(c.req.url).origin;
return createPrivacyResponse(baseUrl);
});
// GET API 엔드포인트 (MCP 미지원 에이전트용)
app.get('/api/actions/query', async (c) => {
try {
const targetUrl = buildActionQueryTargetUrl(c.req.url);
const headers = new Headers(c.req.raw.headers);
headers.delete('host');
return app.fetch(
new Request(targetUrl.toString(), {
method: 'GET',
headers,
}),
c.env,
);
} catch (error) {
const message = error instanceof Error ? error.message : '알 수 없는 오류가 발생했습니다.';
return c.json(
{
success: false,
error: {
code: 'INVALID_ACTION_QUERY',
message,
},
},
400,
);
}
});
// MCP 엔드포인트
app.all('/mcp', handleMcpRequest);
const worker = {
fetch(request: Request, env: AppBindings, executionCtx: ExecutionContext) {
if (isRootInfoRequest(request)) {
return createRootInfoResponse(request.method);
}
return app.fetch(request, env, executionCtx);
},
request: app.request.bind(app),
};
export default worker;