[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_204":205,"_206":207},"routes/_app.x.$handle.$name",{"_96":95,"_31":43,"_104":86,"_26":105,"_13":14,"_106":-5,"_11":107,"_108":109,"_110":111,"_112":113,"_114":115,"_20":-5,"_116":-5,"_117":-5,"_118":24,"_119":120,"_121":122,"_123":-5,"_124":-5,"_125":126},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_41":42,"_31":43,"_36":44,"_45":-5,"_46":24,"_47":48,"_49":48,"_50":51,"_52":-5,"_18":53,"_54":-5,"_55":24,"_56":-5,"_57":-5,"_58":59,"_60":61,"_62":63,"_64":65,"_66":67,"_68":-5,"_69":70,"_71":70,"_72":73,"_74":73,"_75":73,"_76":70,"_77":70,"_78":79,"_80":81,"_82":83,"_84":24},"version",7,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":-7,"_23":24,"_25":24,"_26":27,"_28":27},"file",{"_29":30,"_31":27,"_32":33,"_34":35,"_36":37,"_38":14,"_39":40,"_23":24},"previous","deleted",false,"deletedHere","path","mcp.ts","latestPath","fileId","83c79f8c-7c87-11f1-bf8a-1607ee4eb77e","name","fileType","script","content","import { McpServer } from \"npm:@modelcontextprotocol/sdk@1.29.0/server/mcp.js\";\nimport {\n registerAppResource,\n registerAppTool,\n RESOURCE_MIME_TYPE,\n} from \"npm:@modelcontextprotocol/ext-apps@1.7.4/server\";\nimport { readFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { z } from \"npm:zod@3.25.76\";\nimport { formatLeaderboard, getLeaderboard, submitScore } from \"./db.ts\";\n\nconst SNAKE_RESOURCE_URI = \"ui://snake/mcp-app.html\";\nconst LEADERBOARD_RESOURCE_URI = \"ui://leaderboard/mcp-app.html\";\n\nexport function createServer(): McpServer {\n const server = new McpServer({\n name: \"snake-mcp\",\n version: \"1.0.0\",\n });\n\n registerAppTool(\n server,\n \"play_snake\",\n {\n title: \"Play Snake\",\n description:\n \"Open the classic Nokia-style Snake game. When the snake crashes, the player enters their name and the score is saved to the leaderboard.\",\n inputSchema: {},\n _meta: {\n ui: { resourceUri: SNAKE_RESOURCE_URI },\n },\n },\n async () => {\n const board = await getLeaderboard(5);\n const preview = formatLeaderboard(board);\n return {\n content: [\n {\n type: \"text\",\n text:\n \"Snake is ready! Use arrow keys (or on-screen controls) to play. \" +\n \"When you crash, enter your name to save your score.\\n\\n\" +\n `Top scores:\\n${preview}`,\n },\n ],\n structuredContent: {\n kind: \"snake\",\n topScores: board,\n },\n };\n },\n );\n\n registerAppTool(\n server,\n \"get_leaderboard\",\n {\n title: \"Snake Leaderboard\",\n description: \"Show the top Snake high scores from SQLite.\",\n inputSchema: {\n limit: z\n .number()\n .int()\n .min(1)\n .max(50)\n .optional()\n .describe(\"How many scores to return (default 10)\"),\n },\n _meta: {\n ui: { resourceUri: LEADERBOARD_RESOURCE_URI },\n },\n },\n async ({ limit }) => {\n const board = await getLeaderboard(limit ?? 10);\n return {\n content: [\n {\n type: \"text\",\n text: `Snake leaderboard:\\n${formatLeaderboard(board)}`,\n },\n ],\n structuredContent: {\n kind: \"leaderboard\",\n scores: board,\n },\n };\n },\n );\n\n registerAppTool(\n server,\n \"submit_score\",\n {\n title: \"Submit Snake Score\",\n description:\n \"Save a Snake high score with the player's name. Called by the Snake MCP App after a crash.\",\n inputSchema: {\n name: z.string().min(1).max(20).describe(\"Player name\"),\n score: z.number().int().min(0).describe(\"Final score\"),\n },\n _meta: {\n ui: {\n resourceUri: SNAKE_RESOURCE_URI,\n visibility: [\"app\"],\n },\n },\n },\n async ({ name, score }) => {\n const saved = await submitScore(name, score);\n const board = await getLeaderboard(10);\n return {\n content: [\n {\n type: \"text\",\n text:\n `Saved ${saved.name} with score ${saved.score}.\\n\\n` +\n `Leaderboard:\\n${formatLeaderboard(board)}`,\n },\n ],\n structuredContent: {\n kind: \"score_saved\",\n saved,\n scores: board,\n },\n };\n },\n );\n\n async function readAppHtml(): Promise {\n return await readFile(\"./snake-app.html\");\n }\n\n const resourceMeta = {\n ui: {\n csp: {\n resourceDomains: [\n \"https://esm.sh\",\n \"https://cdn.jsdelivr.net\",\n ],\n },\n },\n };\n\n registerAppResource(\n server,\n SNAKE_RESOURCE_URI,\n SNAKE_RESOURCE_URI,\n { mimeType: RESOURCE_MIME_TYPE },\n async () => ({\n contents: [\n {\n uri: SNAKE_RESOURCE_URI,\n mimeType: RESOURCE_MIME_TYPE,\n text: await readAppHtml(),\n _meta: resourceMeta,\n },\n ],\n }),\n );\n\n registerAppResource(\n server,\n LEADERBOARD_RESOURCE_URI,\n LEADERBOARD_RESOURCE_URI,\n { mimeType: RESOURCE_MIME_TYPE },\n async () => ({\n contents: [\n {\n uri: LEADERBOARD_RESOURCE_URI,\n mimeType: RESOURCE_MIME_TYPE,\n text: await readAppHtml(),\n _meta: resourceMeta,\n },\n ],\n }),\n );\n\n return server;\n}\n","createdAt",["D",1783705689830],"branchVersion","branchId","6c61b51c-3015-4145-8562-90d662dc2b37","id","4ce0dea6-62c8-4e41-9bab-b1f18851e4e5","snake-mcp",["D",1783705536346],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Nokia Snake MCP App with SQLite 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{ Hono } from \"npm:hono@4\";\nimport { StreamableHTTPServerTransport } from \"npm:@modelcontextprotocol/sdk@1.29.0/server/streamableHttp.js\";\nimport { toFetchResponse, toReqRes } from \"npm:fetch-to-node@1\";\nimport { parseVal, serveFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { createServer } from \"./mcp.ts\";\n\nconst app = new Hono();\n\napp.all(\"/mcp\", async (c) => {\n const { req, res } = toReqRes(c.req.raw);\n const server = createServer();\n\n try {\n const transport = new StreamableHTTPServerTransport({\n sessionIdGenerator: undefined,\n });\n await server.connect(transport);\n\n if (c.req.method === \"POST\") {\n const body = await c.req.json();\n await transport.handleRequest(req, res, body);\n } else {\n await transport.handleRequest(req, res);\n }\n\n res.on(\"close\", () => {\n transport.close();\n server.close();\n });\n\n return toFetchResponse(res);\n } catch (error) {\n console.error(\"MCP handler error:\", error);\n return c.json(\n {\n error: \"Internal server error\",\n details: String(error),\n },\n 500,\n );\n }\n});\n\napp.get(\"/snake-app.html\", (c) => serveFile(\"./snake-app.html\"));\n\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\napp.get(\"/\", (c) => serveFile(\"./index.html\"));\n\napp.onError((err) => Promise.reject(err));\n\nexport default app.fetch;\n",[139],"0681e0bd-b1dd-4bc5-a295-019a2b742d9c","index.html","83af268c-7c87-11f1-bde0-1607ee4eb77e",4,["D",1783705689684],"\n\n\n \n \n Snake MCP\n \n \n\n\n

Snake MCP

\n Classic Nokia Snake as an MCP App, with SQLite high scores and a leaderboard.\n

MCP endpoint

\n \n

\n Connect this URL in Claude, Cursor, or any MCP Apps-capable client, then ask to\n play snake or show the leaderboard.\n

\n view source\n ·\n preview app html\n

\n \n\n\n",[148],"4eb4c2ca-e7db-40c8-9455-e2aebb25da2c","db.ts","83bc7bfc-7c87-11f1-85c3-1607ee4eb77e",6,["D",1783705689685],"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\n\nexport type ScoreRow = {\n id: number;\n name: string;\n score: number;\n created_at: string;\n};\n\nexport async function ensureSchema() {\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS scores (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n name TEXT NOT NULL,\n score INTEGER NOT NULL,\n created_at TEXT NOT NULL DEFAULT (datetime('now'))\n )\n `);\n}\n\nexport async function submitScore(name: string, score: number): Promise {\n await ensureSchema();\n const trimmed = name.trim().slice(0, 20);\n if (!trimmed) {\n throw new Error(\"Name is required\");\n }\n if (!Number.isFinite(score) || score < 0) {\n throw new Error(\"Score must be a non-negative number\");\n }\n\n await sqlite.execute({\n sql: \"INSERT INTO scores (name, score) VALUES (?, ?)\",\n args: [trimmed, Math.floor(score)],\n });\n\n const result = await sqlite.execute({\n sql: \"SELECT id, name, score, created_at FROM scores ORDER BY id DESC LIMIT 1\",\n args: [],\n });\n return result.rows[0] as ScoreRow;\n}\n\nexport async function getLeaderboard(limit = 10): Promise {\n await ensureSchema();\n const result = await sqlite.execute({\n sql: `\n SELECT id, name, score, created_at\n FROM scores\n ORDER BY score DESC, created_at ASC\n LIMIT ?\n `,\n args: [limit],\n });\n return result.rows as ScoreRow[];\n}\n\nexport function formatLeaderboard(rows: ScoreRow[]): string {\n if (rows.length === 0) {\n return \"No scores yet — be the first on the board!\";\n }\n return rows\n .map((row, i) => `${i + 1}. ${row.name} — ${row.score}`)\n .join(\"\\n\");\n}\n",[155],"762ca3a4-abf0-4410-8c5d-6f73874c25ae","README.md","28cd6896-7c87-11f1-9001-1607ee4eb77e",1,["D",1783705537192],"# mcp-starter\n\nRemix this and open `main.ts` to edit the MCP server and find its HTTP trigger\nendpoint.\n\n## Client Usage\n\nAdd to the MCP\n[configuration file](https://docs.cursor.com/context/model-context-protocol#configuration-locations)\nfor Cursor or your client of choice:\n\n```json\n{\n \"mcpServers\": {\n \"my-val\": {\n \"command\": \"npx\",\n \"args\": [\n \"mcp-remote\",\n \"/mcp\"\n ]\n }\n }\n}\n```\n\nSince the adapter only works with streamable HTTP on Val Town, you'll probably\nneed [mcp-remote](https://www.npmjs.com/package/mcp-remote) to connect to it\nfrom clients that don't yet support this newer transport.\n\n## What is the adapter for?\n\nThe MCP TypeScript SDK uses Node-specific APIs that don't play nicely with Deno\nor edge functions:\n\n- https://github.com/modelcontextprotocol/typescript-sdk/issues/260\n- https://github.com/modelcontextprotocol/typescript-sdk/pull/349\n- https://github.com/modelcontextprotocol/typescript-sdk/issues/385\n\nVercel's MCP adapter translates the standard web `Request` that Val Town gives\nus into something the SDK can understand, and reduces overall boilerplate.",[162],"pulls","branches","forks","envVars",{"_175":59,"_177":59},"connections",{"_175":59,"_176":59},"count","unfilledCount","emptyCount",{"_41":161,"_31":162,"_29":163,"_133":-5,"_39":40,"_38":164,"_134":24,"_36":196,"_13":59,"_32":20,"_34":166,"_23":24,"_136":-5,"_184":197,"_26":198},{"_41":154,"_31":155,"_29":156,"_133":-5,"_39":40,"_38":157,"_134":122,"_36":193,"_13":59,"_32":33,"_34":159,"_23":24,"_136":-5,"_184":194,"_26":195},{"_41":147,"_31":148,"_29":149,"_133":-5,"_39":40,"_38":150,"_134":122,"_36":190,"_13":59,"_32":20,"_34":152,"_23":24,"_136":-5,"_184":191,"_26":192},{"_41":138,"_31":139,"_29":140,"_133":-5,"_39":40,"_38":141,"_134":24,"_36":187,"_13":143,"_32":144,"_34":145,"_23":24,"_136":-5,"_184":188,"_26":189},{"_41":132,"_31":27,"_29":30,"_133":-5,"_39":40,"_38":14,"_134":24,"_36":183,"_13":59,"_32":33,"_34":35,"_23":24,"_136":-5,"_184":185,"_26":186},["D",1783705689830],"children",[],[27],["D",1783705689695],[],[139],["D",1783705689684],[],[148],["D",1783705689685],[],[155],["D",1783705537192],[],[162],["D",1783705536346],["D",1789438866375],{"_96":95,"_103":99},{"_96":95,"_97":-5,"_98":99,"_18":53,"_100":101,"_102":24},{"_13":85,"_31":86,"_41":40,"_87":42,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":43,"_94":95},"ctx",{"_78":-5,"_124":237,"_238":239,"_240":241,"_242":24,"_243":24,"_244":24,"_245":122,"_246":-5,"_247":-7,"_248":-7,"_249":59,"_250":24,"_251":24,"_252":-5,"_253":24,"_254":24,"_255":24,"_256":-5},"ENV",{"_208":209,"_210":211,"_212":86,"_213":214,"_215":216,"_217":218,"_219":220,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","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","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v7