Workers MCP

import { WorkerEntrypoint } from 'cloudflare:workers' import { Proxy } from './Proxy' export class ProxyToSelf<T extends { SHARED_SECRET: string }> { env: T constructor(readonly worker: WorkerEntrypoint<T>) { // @ts-ignore 'env' is protected but that's just Typescript being nanny-state. I AM THE LAW. this.env = worker.env // But seriously though there's probably 100 better ways of doing this but this whole shim // should be deleted once MCP Remote servers are properly specced so it's fine for now... } async fetch(request: Request): Promise<Response> { return Proxy(request, this.env.SHARED_SECRET, (method, args) => { // @ts-ignore const methodReference = this.worker[method] as ((...args: any[]) => any) | undefined if (!methodReference) { throw new Error(`WorkerEntrypoint ${this.worker.constructor.name} has no method '${method}'`) } // @ts-ignore return this.worker[method].call(this.worker, ...args) }) } }