Serverless MCP

import { LambdaFunctionURLEvent } from 'aws-lambda'; import { getProcessEnv } from '#middleware'; export const createJsonResponse = <T extends object>( statusCode: number, body?: T ) => ({ statusCode, headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body), }); export const checkAuthorizationHeader = ( event: LambdaFunctionURLEvent, responseStream: awslambda.HttpResponseStream ) => { const { authorization } = event.headers; if (!authorization || !authorization.startsWith('Bearer ')) { const domainName = getProcessEnv('DOMAIN_NAME', 'no domain name given'); responseStream = awslambda.HttpResponseStream.from(responseStream, { statusCode: 401, headers: { 'WWW-Authenticate': `Bearer resource_metadata="https://${domainName}/.well-known/oauth-protected-resource"`, }, }); responseStream.write( JSON.stringify({ error: 'unauthorized', error_description: 'Valid bearer token required', }) ); responseStream.end(); return; } };