[{"_1":2,"_170":-5,"_171":-5},"loaderData",{"_3":4,"_91":92},"root",{"_5":6,"_34":35,"_64":65},"ctx",{"_7":8,"_23":-5,"_24":25,"_26":27,"_28":20,"_29":20,"_30":20,"_31":32,"_33":20},"auth",{"_9":-5,"_10":-5,"_11":-5,"_12":-5,"_13":-5,"_14":-5,"_15":-5,"_16":-5,"_17":-5,"_18":-5,"_19":20,"_21":22},"sessionClaims","sessionId","sessionStatus","userId","actor","orgId","orgRole","orgSlug","orgPermissions","factorVerificationAge","isAuthenticated",false,"tokenType","session_token","user","preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","notificationCount",0,"flagDenols","ENV",{"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":47,"_48":49,"_50":51,"_52":53,"_54":55,"_56":57,"_58":59,"_60":61,"_62":63},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","VAL_RUNTIME_NAME","prod","RENDER_GIT_COMMIT","e3ca0a77ab07ff2ce3097208ffd6aa0e378d3c47","RENDER_GIT_BRANCH","main","CLERK_PUBLISHABLE_KEY","pk_live_Y2xlcmsudmFsLnRvd24k","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","API_URL","https://api.val.town","clerkState",{"_66":67},"__internal_clerk_state",{"_68":69,"_70":45,"_71":72,"_73":72,"_74":20,"_75":72,"_76":72,"_77":72,"_78":72,"_79":80,"_89":20,"_90":20},"__clerk_ssr_state",{"_21":22,"_9":-5,"_10":-5,"_11":-5,"_12":-5,"_13":-5,"_14":-5,"_15":-5,"_16":-5,"_17":-5,"_18":-5,"_19":20},"__publishableKey","__proxyUrl","","__domain","__isSatellite","__signInUrl","__signUpUrl","__afterSignInUrl","__afterSignUpUrl","__clerk_debug",{"_81":20,"_19":20,"_82":72,"_83":84,"_85":72,"_86":45,"_87":20,"_88":72},"isSignedIn","proxyUrl","reason","session-token-and-uat-missing","message","publishableKey","isSatellite","domain","__telemetryDisabled","__telemetryDebug","routes/embed.x.$handle.$name.$",{"_93":94,"_95":96,"_97":98,"_99":100,"_148":149,"_167":168,"_169":-5},"handle","dglazkov","name","song-mcp","path","mcp.tsx","project",{"_101":102,"_95":96,"_103":104,"_105":-5,"_106":20,"_107":108,"_109":-5,"_110":-5,"_12":111,"_112":113,"_114":115,"_116":117,"_118":32,"_14":119,"_120":121,"_122":121,"_123":124,"_125":124,"_126":124,"_127":121,"_128":121,"_23":129,"_132":133,"_135":136,"_147":20},"id","97041a16-2d4c-11f0-a06f-569c3dd06744","createdAt",["D",1746846742285],"deletedAt","legacyEnvVars","privacy","public","description","imageUrl","e518321f-b08d-432f-b4f0-cfb7506003a8","pinnedFileId","5516dfb4-2d4f-11f0-b16e-569c3dd06744","pinPreview",true,"screenshotVersion",129,"likeCount","b0499dfe-81fe-4810-8a4a-00f474aea091","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm",{"_93":94,"_130":131},"profileImageUrl","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18yaWQ5SXZ0ZWRzaDJCSFRlZEFadFF2SzZtRk8ifQ","org",{"_93":94,"_134":131},"avatar","branch",{"_137":117,"_95":43,"_101":138,"_139":102,"_140":-5,"_141":-5,"_142":-5,"_143":-5,"_144":-5,"_145":96,"_146":94},"version","97046444-2d4c-11f0-a06f-569c3dd06744","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","isOwned","file",{"_101":150,"_95":98,"_151":152,"_153":-5,"_154":138,"_155":156,"_157":115,"_103":158,"_137":159,"_160":161,"_162":163,"_164":20,"_165":-5,"_97":166},"81341f16-3a61-11f0-a75f-9e149126039e","fileId","06859ec4-3995-11f0-a42c-9e149126039e","parentId","branchId","branchVersion",124,"latest",["D",1748285090234],25,"fileType","script","content","import { IncomingMessage, ServerResponse, STATUS_CODES } from \"node:http\";\nimport { McpServer } from \"npm:@modelcontextprotocol/sdk/server/mcp.js\";\nimport {\n StreamableHTTPServerTransport,\n type StreamableHTTPServerTransportOptions,\n} from \"npm:@modelcontextprotocol/sdk/server/streamableHttp.js\";\n\nexport { ValTransport };\n\nclass MockIncomingMessage {\n headers: Record = {};\n method: string | undefined;\n url: string | undefined;\n constructor(request: Request) {\n this.method = request.method;\n this.url = request.url.substring(request.url.indexOf(\"/\", 8));\n request.headers.forEach((value, key) => {\n this.headers[key.toLowerCase()] = value;\n });\n }\n}\n\nclass MockServerResponse {\n statusCode: number = 200;\n statusMessage: string = \"OK\";\n headers: Record = {};\n _body: Buffer[] = [];\n _headersSent: boolean = false;\n #events: Map void>> = new Map();\n\n readableStream: ReadableStream;\n #writer: WritableStreamDefaultWriter;\n\n constructor(private readonly request: Request) {\n this._body = [];\n this._headersSent = false;\n\n const transform = new TransformStream();\n this.readableStream = transform.readable;\n this.#writer = transform.writable.getWriter();\n\n request.signal?.addEventListener(\"abort\", () => {\n this.#writer.close();\n this.readableStream.cancel();\n this.#events.get(\"close\")?.forEach((listener) => listener());\n });\n }\n\n on(event: string, listener: (...args: any[]) => void): this {\n let eventList = this.#events.get(event);\n if (!eventList) {\n eventList = [];\n this.#events.set(event, eventList);\n }\n eventList.push(listener);\n }\n\n writeHead(\n statusCode: number,\n statusMessage?: string | Record,\n headers?: Record,\n ): this {\n this.statusCode = statusCode;\n if (typeof statusMessage === \"string\") {\n this.statusMessage = statusMessage;\n if (headers) {\n this.headers = { ...this.headers, ...headers };\n }\n } else if (typeof statusMessage === \"object\") {\n this.headers = { ...this.headers, ...statusMessage };\n this.statusMessage = STATUS_CODES[statusCode] || \"Unknown\";\n } else {\n this.statusMessage = STATUS_CODES[statusCode] || \"Unknown\";\n }\n this._headersSent = true;\n return this;\n }\n\n setHeader(name: string, value: string | number | string[]): this {\n this.headers[name.toLowerCase()] = value; // Node.js headers are typically lowercase\n return this;\n }\n\n flushHeaders() {\n // This is wrong, but we must signal end here.\n // Otherwise, GET hangs.\n this.#writer.close();\n return this;\n }\n\n getHeader(name: string): string | number | string[] | undefined {\n return this.headers[name.toLowerCase()];\n }\n\n removeHeader(name: string): this {\n delete this.headers[name.toLowerCase()];\n return this;\n }\n\n hasHeader(name: string): boolean {\n return Object.prototype.hasOwnProperty.call(this.headers, name.toLowerCase());\n }\n\n getHeaders(): Record {\n return this.headers;\n }\n\n async write(chunk: any, encoding?: BufferEncoding, callback?: (error: Error | null | undefined) => void): boolean {\n let buffer: Uint8Array;\n if (typeof chunk === \"string\") {\n buffer = new TextEncoder().encode(chunk);\n } else if (chunk instanceof Buffer) { // Node.js Buffer\n buffer = new Uint8Array(chunk.buffer, chunk.byteOffset, chunk.byteLength);\n } else if (chunk instanceof Uint8Array) { // Web API Uint8Array\n buffer = chunk;\n } else {\n buffer = new TextEncoder().encode(String(chunk));\n }\n\n try {\n await this.#writer.write(buffer);\n if (callback) callback(null);\n return true;\n } catch (error: any) {\n if (callback) callback(error);\n return false;\n }\n }\n\n async end(chunk?: any, encoding?: BufferEncoding, callback?: (error: Error | null | undefined) => void): void {\n if (chunk) {\n await this.write(chunk, encoding);\n }\n try {\n await this.#writer.close(); // Close the writable stream\n if (callback) callback(null);\n } catch (error: any) {\n if (callback) callback(error);\n }\n if (callback) callback(null);\n }\n}\n\nclass ValTransport {\n constructor(public readonly options: StreamableHTTPServerTransportOptions) {}\n\n async handleRequest(request: Request, server: McpServer): Promise {\n const req = new MockIncomingMessage(request);\n const res = new MockServerResponse(request);\n const parsedRequestBody = req.method === \"GET\" || req.method == \"OPTIONS\" ? undefined : await request.json();\n const transport = new StreamableHTTPServerTransport(this.options);\n\n request.signal.addEventListener(\"abort\", () => {\n server.close();\n transport.close();\n });\n await server.connect(transport);\n\n await transport.handleRequest(req as IncomingMessage, res as unknown as ServerResponse, parsedRequestBody);\n const headers = res.getHeaders() as HeadersInit;\n return new Response(res.readableStream, { headers });\n }\n}","deleted","label",[98],"permalink","https://www.val.town/x/dglazkov/song-mcp/code/mcp.tsx","extension","actionData","errors"]