[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_150":151,"_152":153},"routes/_app.x.$handle.$name",{"_94":93,"_32":45,"_102":84,"_27":36,"_13":14,"_103":-5,"_11":104,"_105":106,"_107":108,"_109":110,"_111":112,"_20":-5,"_113":-5,"_114":-5,"_115":25,"_116":117,"_118":25,"_119":-5,"_120":-5,"_121":122},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_43":44,"_32":45,"_38":46,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":-5,"_53":-5,"_18":54,"_55":-5,"_56":25,"_57":-5,"_58":-5,"_59":60,"_61":62,"_63":-5,"_64":-5,"_65":-5,"_66":-5,"_67":68,"_69":68,"_70":71,"_72":71,"_73":71,"_74":68,"_75":68,"_76":77,"_78":79,"_80":81,"_82":25},"version",2,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":28,"_33":34,"_35":37,"_38":39,"_40":14,"_41":42,"_24":25},"previous",{"_30":31,"_32":28,"_33":34,"_35":36},"deleted",false,"deletedHere","path","main.ts","latestPath","fileId","44afe142-a5c3-11f0-bc4f-0224a6c84d84","name","fileType","script","content","","import {\n createServer,\n type IncomingMessage,\n type ServerResponse,\n} from \"node:http\";\nimport { URL } from \"node:url\";\n\nimport { Server } from \"@modelcontextprotocol/sdk/server/index.js\";\nimport { SSEServerTransport } from \"@modelcontextprotocol/sdk/server/sse.js\";\nimport {\n type CallToolRequest,\n CallToolRequestSchema,\n type ListResourcesRequest,\n ListResourcesRequestSchema,\n type ListResourceTemplatesRequest,\n ListResourceTemplatesRequestSchema,\n type ListToolsRequest,\n ListToolsRequestSchema,\n type ReadResourceRequest,\n ReadResourceRequestSchema,\n type Resource,\n type ResourceTemplate,\n type Tool,\n} from \"@modelcontextprotocol/sdk/types.js\";\nimport { z } from \"zod\";\n\ntype PizzazWidget = {\n id: string;\n title: string;\n templateUri: string;\n invoking: string;\n invoked: string;\n html: string;\n responseText: string;\n};\n\nfunction widgetMeta(widget: PizzazWidget) {\n return {\n \"openai/outputTemplate\": widget.templateUri,\n \"openai/toolInvocation/invoking\": widget.invoking,\n \"openai/toolInvocation/invoked\": widget.invoked,\n \"openai/widgetAccessible\": true,\n \"openai/resultCanProduceWidget\": true,\n } as const;\n}\n\nconst widgets: PizzazWidget[] = [\n {\n id: \"pizza-map\",\n title: \"Show Pizza Map\",\n templateUri: \"ui://widget/pizza-map.html\",\n invoking: \"Hand-tossing a map\",\n invoked: \"Served a fresh map\",\n html: `\n

\n\n\n `.trim(),\n responseText: \"Rendered a pizza map!\",\n },\n {\n id: \"pizza-carousel\",\n title: \"Show Pizza Carousel\",\n templateUri: \"ui://widget/pizza-carousel.html\",\n invoking: \"Carousel some spots\",\n invoked: \"Served a fresh carousel\",\n html: `\n

\n\n\n `.trim(),\n responseText: \"Rendered a pizza carousel!\",\n },\n {\n id: \"pizza-albums\",\n title: \"Show Pizza Album\",\n templateUri: \"ui://widget/pizza-albums.html\",\n invoking: \"Hand-tossing an album\",\n invoked: \"Served a fresh album\",\n html: `\n

\n\n\n `.trim(),\n responseText: \"Rendered a pizza album!\",\n },\n {\n id: \"pizza-list\",\n title: \"Show Pizza List\",\n templateUri: \"ui://widget/pizza-list.html\",\n invoking: \"Hand-tossing a list\",\n invoked: \"Served a fresh list\",\n html: `\n

\n\n\n `.trim(),\n responseText: \"Rendered a pizza list!\",\n },\n {\n id: \"pizza-video\",\n title: \"Show Pizza Video\",\n templateUri: \"ui://widget/pizza-video.html\",\n invoking: \"Hand-tossing a video\",\n invoked: \"Served a fresh video\",\n html: `\n

\n\n\n `.trim(),\n responseText: \"Rendered a pizza video!\",\n },\n];\n\nconst widgetsById = new Map();\nconst widgetsByUri = new Map();\n\nwidgets.forEach((widget) => {\n widgetsById.set(widget.id, widget);\n widgetsByUri.set(widget.templateUri, widget);\n});\n\nconst toolInputSchema = {\n type: \"object\",\n properties: {\n pizzaTopping: {\n type: \"string\",\n description: \"Topping to mention when rendering the widget.\",\n },\n },\n required: [\"pizzaTopping\"],\n additionalProperties: false,\n} as const;\n\nconst toolInputParser = z.object({\n pizzaTopping: z.string(),\n});\n\nconst tools: Tool[] = widgets.map((widget) => ({\n name: widget.id,\n description: widget.title,\n inputSchema: toolInputSchema,\n title: widget.title,\n _meta: widgetMeta(widget),\n}));\n\nconst resources: Resource[] = widgets.map((widget) => ({\n uri: widget.templateUri,\n name: widget.title,\n description: `${widget.title} widget markup`,\n mimeType: \"text/html+skybridge\",\n _meta: widgetMeta(widget),\n}));\n\nconst resourceTemplates: ResourceTemplate[] = widgets.map((widget) => ({\n uriTemplate: widget.templateUri,\n name: widget.title,\n description: `${widget.title} widget markup`,\n mimeType: \"text/html+skybridge\",\n _meta: widgetMeta(widget),\n}));\n\nfunction createPizzazServer(): Server {\n const server = new Server(\n {\n name: \"pizzaz-node\",\n version: \"0.1.0\",\n },\n {\n capabilities: {\n resources: {},\n tools: {},\n },\n },\n );\n\n server.setRequestHandler(\n ListResourcesRequestSchema,\n async (_request: ListResourcesRequest) => ({\n resources,\n }),\n );\n\n server.setRequestHandler(\n ReadResourceRequestSchema,\n async (request: ReadResourceRequest) => {\n const widget = widgetsByUri.get(request.params.uri);\n\n if (!widget) {\n throw new Error(`Unknown resource: ${request.params.uri}`);\n }\n\n return {\n contents: [\n {\n uri: widget.templateUri,\n mimeType: \"text/html+skybridge\",\n text: widget.html,\n _meta: widgetMeta(widget),\n },\n ],\n };\n },\n );\n\n server.setRequestHandler(\n ListResourceTemplatesRequestSchema,\n async (_request: ListResourceTemplatesRequest) => ({\n resourceTemplates,\n }),\n );\n\n server.setRequestHandler(\n ListToolsRequestSchema,\n async (_request: ListToolsRequest) => ({\n tools,\n }),\n );\n\n server.setRequestHandler(\n CallToolRequestSchema,\n async (request: CallToolRequest) => {\n const widget = widgetsById.get(request.params.name);\n\n if (!widget) {\n throw new Error(`Unknown tool: ${request.params.name}`);\n }\n\n const args = toolInputParser.parse(request.params.arguments ?? {});\n\n return {\n content: [\n {\n type: \"text\",\n text: widget.responseText,\n },\n ],\n structuredContent: {\n pizzaTopping: args.pizzaTopping,\n },\n _meta: widgetMeta(widget),\n };\n },\n );\n\n return server;\n}\n\ntype SessionRecord = {\n server: Server;\n transport: SSEServerTransport;\n};\n\nconst sessions = new Map();\n\nconst ssePath = \"/mcp\";\nconst postPath = \"/mcp/messages\";\n\nasync function handleSseRequest(res: ServerResponse) {\n res.setHeader(\"Access-Control-Allow-Origin\", \"*\");\n const server = createPizzazServer();\n const transport = new SSEServerTransport(postPath, res);\n const sessionId = transport.sessionId;\n\n sessions.set(sessionId, { server, transport });\n\n transport.onclose = async () => {\n sessions.delete(sessionId);\n await server.close();\n };\n\n transport.onerror = (error) => {\n console.error(\"SSE transport error\", error);\n };\n\n try {\n await server.connect(transport);\n } catch (error) {\n sessions.delete(sessionId);\n console.error(\"Failed to start SSE session\", error);\n if (!res.headersSent) {\n res.writeHead(500).end(\"Failed to establish SSE connection\");\n }\n }\n}\n\nasync function handlePostMessage(\n req: IncomingMessage,\n res: ServerResponse,\n url: URL,\n) {\n res.setHeader(\"Access-Control-Allow-Origin\", \"*\");\n res.setHeader(\"Access-Control-Allow-Headers\", \"content-type\");\n const sessionId = url.searchParams.get(\"sessionId\");\n\n if (!sessionId) {\n res.writeHead(400).end(\"Missing sessionId query parameter\");\n return;\n }\n\n const session = sessions.get(sessionId);\n\n if (!session) {\n res.writeHead(404).end(\"Unknown session\");\n return;\n }\n\n try {\n await session.transport.handlePostMessage(req, res);\n } catch (error) {\n console.error(\"Failed to process message\", error);\n if (!res.headersSent) {\n res.writeHead(500).end(\"Failed to process message\");\n }\n }\n}\n\nconst portEnv = Number(process.env.PORT ?? 8000);\nconst port = Number.isFinite(portEnv) ? portEnv : 8000;\n\nconst httpServer = createServer(\n async (req: IncomingMessage, res: ServerResponse) => {\n if (!req.url) {\n res.writeHead(400).end(\"Missing URL\");\n return;\n }\n\n const url = new URL(req.url, `http://${req.headers.host ?? \"localhost\"}`);\n\n if (\n req.method === \"OPTIONS\" &&\n (url.pathname === ssePath || url.pathname === postPath)\n ) {\n res.writeHead(204, {\n 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Diff · v2