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{\n createMcpHandler,\n McpServer,\n} from \"npm:@modelcontextprotocol/server@2\";\nimport * as z from \"npm:zod@4/v4\";\n\n// Yahoo Finance symbols for major US stock market indices.\nconst INDICES = {\n DOW_JONES: {\n symbol: \"%5EDJI\",\n name: \"다우존스 산업평균 (Dow Jones Industrial Average)\",\n },\n SP500: { symbol: \"%5EGSPC\", name: \"S&P 500\" },\n NASDAQ_COMPOSITE: {\n symbol: \"%5EIXIC\",\n name: \"나스닥 종합 (NASDAQ Composite)\",\n },\n NASDAQ_100: { symbol: \"%5ENDX\", name: \"나스닥 100 (NASDAQ 100)\" },\n RUSSELL_2000: { symbol: \"%5ERUT\", name: \"러셀 2000 (Russell 2000)\" },\n VIX: { symbol: \"%5EVIX\", name: \"CBOE 변동성 지수 (VIX)\" },\n} as const;\n\ntype IndexKey = keyof typeof INDICES;\nconst INDEX_KEYS = Object.keys(INDICES) as IndexKey[];\n\nconst USER_AGENT = \"Mozilla/5.0 (compatible; val-town-us-market-index-mcp/1.0)\";\n\nfunction fmt(n: number | null | undefined, decimals = 2): string {\n if (n === null || n === undefined || Number.isNaN(n)) return \"N/A\";\n return n.toLocaleString(\"en-US\", {\n minimumFractionDigits: decimals,\n maximumFractionDigits: decimals,\n });\n}\n\nasync function fetchQuote(key: IndexKey) {\n const { symbol, name } = INDICES[key];\n const res = await fetch(\n `https://query1.finance.yahoo.com/v8/finance/chart/${symbol}?interval=1d&range=1d`,\n { headers: { \"User-Agent\": USER_AGENT } },\n );\n if (!res.ok) {\n throw new Error(`Yahoo Finance returned ${res.status} for ${name}`);\n }\n const data = await res.json();\n const meta = data?.chart?.result?.[0]?.meta;\n if (!meta) throw new Error(`No data returned for ${name}`);\n\n const price = meta.regularMarketPrice as number;\n const prevClose = meta.chartPreviousClose as number | undefined;\n const change = prevClose ? price - prevClose : null;\n const changePercent = prevClose ? (change! / prevClose) * 100 : null;\n const quote = data?.chart?.result?.[0]?.indicators?.quote?.[0];\n\n const arrow = change && change > 0 ? \"▲\" : change && change < 0 ? \"▼\" : \"■\";\n const sign = change && change > 0 ? \"+\" : \"\";\n\n return {\n key,\n name,\n currency: meta.currency as string | undefined,\n price,\n change,\n changePercent,\n open: quote?.open?.[0],\n dayHigh: quote?.high?.[0] ?? meta.regularMarketDayHigh,\n dayLow: quote?.low?.[0] ?? meta.regularMarketDayLow,\n prevClose: prevClose ?? quote?.close?.[0],\n weekHigh: meta.fiftyTwoWeekHigh,\n weekLow: meta.fiftyTwoWeekLow,\n arrow,\n sign,\n };\n}\n\nfunction formatQuote(q: Awaited>): string {\n const lines = [\n `${q.arrow} ${q.name}` +\n (q.currency ? ` (${q.currency})` : \"\"),\n ` 현재가: ${fmt(q.price)} ` +\n (q.change !== null\n ? `${q.sign}${fmt(q.change)} (${q.sign}${fmt(q.changePercent)}%)`\n : \"N/A\"),\n ` 시가 ${fmt(q.open)} / 고가 ${fmt(q.dayHigh)} / 저가 ${fmt(q.dayLow)}`,\n ` 전일종가 ${fmt(q.prevClose)}`,\n ` 52주 고가 ${fmt(q.weekHigh)} / 저가 ${fmt(q.weekLow)}`,\n ];\n return lines.join(\"\\n\");\n}\n\nconst handler = createMcpHandler(() => {\n const server = new McpServer({\n name: \"us-market-index\",\n version: \"1.0.0\",\n });\n\n server.registerTool(\n \"yahoo-finance\",\n {\n description:\n \"Yahoo Finance 기반으로 실시간 주가지수, 원자재 선물, 환율, 국채 금리, 암호화폐 시세를 조회합니다.\",\n inputSchema: z.object({\n indices: z\n .array(z.string())\n .optional()\n .describe(\n \"조회할 티커 배열 (비워두면 30대 핵심 지표 전체를 일괄 조회합니다)\",\n ),\n }),\n },\n async ({ indices }) => {\n const keys: IndexKey[] = indices && indices.length ? indices : INDEX_KEYS;\n try {\n const quotes = await Promise.all(keys.map(fetchQuote));\n return {\n content: [{\n type: \"text\",\n text: quotes.map(formatQuote).join(\"\\n\\n\"),\n }],\n };\n } catch (error) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: `Failed to fetch index quotes: ${\n error instanceof Error ? error.message : String(error)\n }`,\n }],\n };\n }\n },\n );\n\n return server;\n});\n\nexport default handler.fetch;","label","jokerx04-mcp-yahoo-finance",[18],"pulls","branches","forks","envVars",{"_181":41,"_183":26},"connections",{"_181":26,"_182":26},"count","unfilledCount","emptyCount",{"_34":201,"_13":202,"_67":203,"_44":-5,"_36":37,"_166":204,"_167":160,"_38":205,"_40":41,"_69":21,"_169":206,"_71":24,"_171":-5,"_195":207,"_17":208},{"_34":165,"_13":18,"_67":68,"_44":-5,"_36":37,"_166":85,"_167":160,"_38":198,"_40":77,"_69":70,"_169":170,"_71":24,"_171":172,"_195":199,"_17":200},{"_34":187,"_13":188,"_67":189,"_44":-5,"_36":37,"_166":190,"_167":160,"_38":191,"_40":192,"_69":70,"_169":193,"_71":24,"_171":194,"_195":196,"_17":197},"b1f32a88-f98f-4145-8ca7-f00c463436dc","test.ts","17e18034-a302-11f1-96ae-1607ee4eb77e",19,["D",1787937019592],6,"import {\n createMcpHandler,\n McpServer,\n} from \"npm:@modelcontextprotocol/server@2\";\nimport * as z from \"npm:zod@4/v4\";\n\n// Finnhub REST API base URL.\nconst FINNHUB_BASE = \"https://finnhub.io/api/v1\";\n\nfunction apiKey(): string {\n const key = Deno.env.get(\"FINNHUB_API_KEY\");\n if (!key) {\n throw new Error(\n \"FINNHUB_API_KEY environment variable is not set. Add it in the val's Environment Variables settings.\",\n );\n }\n return key;\n}\n\n/** Generic GET against the Finnhub API with the token attached. */\nasync function finnhubGet(\n path: string,\n params: Record = {},\n): Promise {\n const url = new URL(`${FINNHUB_BASE}${path}`);\n url.searchParams.set(\"token\", apiKey());\n for (const [k, v] of Object.entries(params)) url.searchParams.set(k, v);\n\n let res: Response;\n try {\n res = await fetch(url.toString());\n } catch {\n throw new Error(`Network error while contacting Finnhub for ${path}`);\n }\n\n if (!res.ok) {\n const body = await res.text();\n throw new Error(\n `Finnhub returned ${res.status} for ${path}: ${body.slice(0, 200)}`,\n );\n }\n return await res.json() as T;\n}\n\n// ---------------------------------------------------------------------------\n// Quote\n// ---------------------------------------------------------------------------\n\ninterface FinnhubQuote {\n c?: number; // current price\n d?: number; // change\n dp?: number; // percent change\n h?: number; // high\n l?: number; // low\n o?: number; // open\n pc?: number; // previous close\n t?: number; // timestamp\n}\n\nfunction fmt(n: number | undefined, decimals = 2): string {\n if (n === undefined || n === null || Number.isNaN(n)) return \"N/A\";\n return n.toLocaleString(\"en-US\", {\n minimumFractionDigits: decimals,\n maximumFractionDigits: decimals,\n });\n}\n\nfunction formatQuote(symbol: string, q: FinnhubQuote): string {\n const change = q.d ?? null;\n const arrow = change !== null && change > 0\n ? \"▲\"\n : change !== null && change < 0\n ? \"▼\"\n : \"■\";\n const sign = change !== null && change > 0 ? \"+\" : \"\";\n return [\n `${arrow} ${symbol.toUpperCase()}`,\n ` 현재가: ${fmt(q.c)} ${\n change !== null ? `${sign}${fmt(change)} (${sign}${fmt(q.dp)}%)` : \"N/A\"\n }`,\n ` 시가 ${fmt(q.o)} / 고가 ${fmt(q.h)} / 저가 ${fmt(q.l)}`,\n ` 전일종가 ${fmt(q.pc)}`,\n ].join(\"\\n\");\n}\n\n// ---------------------------------------------------------------------------\n// Company profile\n// ---------------------------------------------------------------------------\n\ninterface FinnhubCompanyProfile {\n name?: string;\n country?: string;\n currency?: string;\n exchange?: string;\n industry?: string;\n ipo?: string;\n marketCapitalization?: number;\n shareOutstanding?: number;\n weburl?: string;\n logo?: string;\n ticker?: string;\n}\n\nfunction formatProfile(p: FinnhubCompanyProfile): string {\n return [\n `${p.name ?? p.ticker ?? \"N/A\"} (${(p.ticker ?? \"\").toUpperCase()})`,\n ` 거래소: ${p.exchange ?? \"N/A\"} / 국가: ${p.country ?? \"N/A\"}`,\n ` 산업: ${p.industry ?? \"N/A\"} / 통화: ${p.currency ?? \"N/A\"}`,\n ` IPO: ${p.ipo ?? \"N/A\"}`,\n ` 시가총액: $${fmt(p.marketCapitalization)}M`,\n ` 발행주식수: ${fmt(p.shareOutstanding, 0)}`,\n p.weburl ? ` 웹사이트: ${p.weburl}` : \"\",\n p.logo ? ` 로고: ${p.logo}` : \"\",\n ].join(\"\\n\");\n}\n\n// ---------------------------------------------------------------------------\n// News\n// ---------------------------------------------------------------------------\n\ninterface FinnhubNewsItem {\n category?: string;\n datetime?: number;\n headline?: string;\n id?: number;\n image?: string;\n related?: string;\n source?: string;\n summary?: string;\n url?: string;\n}\n\nfunction formatNews(items: FinnhubNewsItem[], limit: number): string {\n if (!items.length) return \"뉴스가 없습니다.\";\n const list = items.slice(0, limit);\n return list.map((n, i) => {\n const date = n.datetime ? new Date(n.datetime * 1000).toISOString() : \"N/A\";\n return [\n `${i + 1}. ${n.headline ?? \"N/A\"}`,\n ` ${date} · ${n.source ?? \"N/A\"}${n.related ? ` · ${n.related}` : \"\"}`,\n n.summary ? ` ${n.summary.slice(0, 200)}` : \"\",\n n.url ? ` ${n.url}` : \"\",\n ].join(\"\\n\");\n }).join(\"\\n\\n\");\n}\n\n// ---------------------------------------------------------------------------\n// Candles (historical OHLC)\n// ---------------------------------------------------------------------------\n\ninterface FinnhubCandle {\n c?: number[];\n h?: number[];\n l?: number[];\n o?: number[];\n v?: number[];\n t?: number[];\n s?: string; // status: \"ok\" | \"no_data\"\n}\n\nfunction formatCandles(\n symbol: string,\n resolution: string,\n cl: FinnhubCandle,\n): string {\n if (cl.s === \"no_data\" || !cl.c || !cl.t?.length) {\n return `해당 기간 / ${resolution} 종목(${symbol.toUpperCase()}) 데이터가 없습니다.`;\n }\n const lines = [\n `${symbol.toUpperCase()} · ${resolution} 봉 · ${cl.c.length}개 데이터`,\n \" 날짜 | 시가 | 고가 | 저가 | 종가\",\n ];\n for (let i = 0; i < cl.c.length; i++) {\n const date = new Date(cl.t![i]! * 1000).toISOString().slice(0, 10);\n lines.push(\n ` ${date} | ${fmt(cl.o?.[i])} | ${fmt(cl.h?.[i])} | ${\n fmt(cl.l?.[i])\n } | ${fmt(cl.c[i])}`,\n );\n }\n return lines.join(\"\\n\");\n}\n\nfunction toUnixDays(offsetDays: number): number {\n return Math.floor(Date.now() / 1000) - offsetDays * 86400;\n}\n\n// ---------------------------------------------------------------------------\n// MCP server\n// ---------------------------------------------------------------------------\n\nconst handler = createMcpHandler(() => {\n const server = new McpServer({\n name: \"finnhub-mcp\",\n version: \"1.0.0\",\n });\n\n server.registerTool(\n \"finnhub-quote\",\n {\n description:\n \"Finnhub 기반으로 특정 종목의 실시간 견적(시세)을 조회합니다. 현재가, 변동, 변동률, 시가/고가/저가, 전일종가를 반환합니다.\",\n inputSchema: z.object({\n symbol: z.string().describe(\"조회할 주식 심볼 (예: AAPL, TSLA, MSFT)\"),\n }),\n },\n async ({ symbol }) => {\n try {\n const q = await finnhubGet(\"/quote\", { symbol });\n if (q.c === undefined || q.c === null || isNaN(q.c)) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: `심볼 \"${symbol}\"에 대한 데이터가 없습니다.`,\n }],\n };\n }\n return { content: [{ type: \"text\", text: formatQuote(symbol, q) }] };\n } catch (error) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: error instanceof Error ? error.message : String(error),\n }],\n };\n }\n },\n );\n\n server.registerTool(\n \"finnhub-company-profile\",\n {\n description:\n \"Finnhub 기반으로 상장기업의 프로필(개요)을 조회합니다. 회사명, 거래소, 국가, 산업, 통화, IPO, 시가총액, 웹사이트, 로고 URL 등.\",\n inputSchema: z.object({\n symbol: z.string().describe(\"조회할 주식 심볼 (예: AAPL)\"),\n }),\n },\n async ({ symbol }) => {\n try {\n const p = await finnhubGet(\"/stock/profile2\", {\n symbol,\n });\n if (!p.name && !p.ticker) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: `심볼 \"${symbol}\"에 대한 회사 정보가 없습니다.`,\n }],\n };\n }\n return { content: [{ type: \"text\", text: formatProfile(p) }] };\n } catch (error) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: error instanceof Error ? error.message : String(error),\n }],\n };\n }\n },\n );\n\n server.registerTool(\n \"finnhub-news\",\n {\n description:\n \"Finnhub 기반으로 지정한 종목의 최신 뉴스를 조회합니다. 기본으로 최근 7일간의 뉴스 최대 10건을 반환합니다.\",\n inputSchema: z.object({\n symbol: z.string().describe(\"뉴스를 조회할 종목 심볼 (예: AAPL)\"),\n fromOffsetDays: z\n .number()\n .optional()\n .describe(\"오늘 기준으로 조회를 시작할 과거 일수 (기본 7)\"),\n toNowOffsetDays: z\n .number()\n .optional()\n .describe(\"오늘 기준으로 조회를 끝낼 과거 일수 (기본 0 = 오늘)\"),\n limit: z.number().optional().describe(\n \"반환할 뉴스 최대 개수 (기본 10)\",\n ),\n }),\n },\n async ({ symbol, fromOffsetDays, toNowOffsetDays, limit }) => {\n try {\n const from = toUnixDays(fromOffsetDays ?? 7);\n const to = toUnixDays(toNowOffsetDays ?? 0);\n const items = await finnhubGet(\"/company-news\", {\n symbol,\n from: new Date(from * 1000).toISOString().slice(0, 10),\n to: new Date(to * 1000).toISOString().slice(0, 10),\n });\n return {\n content: [{\n type: \"text\",\n text: formatNews(items ?? [], limit ?? 10),\n }],\n };\n } catch (error) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: error instanceof Error ? error.message : String(error),\n }],\n };\n }\n },\n );\n\n server.registerTool(\n \"finnhub-candles\",\n {\n description:\n \"Finnhub 기반으로 종목의 과거 OHLC 캔들 데이터를 조회합니다. 분봉/일봉 등 해상도와 조회 기간을 지정할 수 있습니다.\",\n inputSchema: z.object({\n symbol: z.string().describe(\"조회할 종목 심볼 (예: AAPL)\"),\n resolution: z\n .enum([\"1\", \"5\", \"15\", \"30\", \"60\", \"D\", \"W\", \"M\"])\n .describe(\"캔들 해상도: 1/5/15/30/60분, D=일, W=주, M=월\"),\n fromOffsetDays: z\n .number()\n .optional()\n .describe(\"오늘 기준으로 조회를 시작할 과거 일수 (기본 7)\"),\n toNowOffsetDays: z\n .number()\n .optional()\n .describe(\"오늘 기준으로 조회를 끝낼 과거 일수 (기본 0 = 오늘)\"),\n }),\n },\n async ({ symbol, resolution, fromOffsetDays, toNowOffsetDays }) => {\n try {\n const from = toUnixDays(fromOffsetDays ?? 7);\n const to = toUnixDays(toNowOffsetDays ?? 0);\n const cl = await finnhubGet(\"/stock/candle\", {\n symbol,\n resolution,\n from: String(from),\n to: String(to),\n });\n return {\n content: [{\n type: \"text\",\n text: formatCandles(symbol, resolution, cl),\n }],\n };\n } catch (error) {\n return {\n isError: true,\n content: [{\n type: \"text\",\n text: error instanceof Error ? error.message : String(error),\n }],\n };\n }\n },\n );\n\n return server;\n});\n\nexport default handler.fetch;","jokerx04-mcp-finnhub","children",[],[188],["D",1787733630139],[],[18],"c14a6521-ac26-45d3-ad92-456b11974755","README.md","01a03d2e-b954-737f-90b5-9193efc07e13",9,["D",1787732927791],"# US Market Index MCP Server\n\n미국 주요 주가지수를 조회하는 MCP(Model Context Protocol) 서버입니다.\nYahoo Finance 공개 API(무료, API 키 불필요)를 사용해 실시간 지수 시세를 제공합니다.\n\n## 도구 (Tools)\n\n### `get-us-index-quotes`\n\n미국 주요 주가지수의 현재 시세를 조회합니다. 현재가, 일간 변동률, 시가/고가/저가,\n전일 종가, 52주 고가/저가를 포함합니다.\n\n**파라미터**\n- `indices` (선택): 조회할 지수 목록. 지정하지 않으면 전체를 조회합니다.\n\n**지원 지수**\n| 키 | 지수 |\n| --- | --- |\n| `DOW_JONES` | 다우존스 산업평균 |\n| `SP500` | S&P 500 |\n| `NASDAQ_COMPOSITE` | 나스닥 종합 |\n| `NASDAQ_100` | 나스닥 100 |\n| `RUSSELL_2000` | 러셀 2000 |\n| `VIX` | CBOE 변동성 지수 |\n\n## 사용 방법\n\n이 MCP 서버는 `@modelcontextprotocol/server@2` (MCP 2.0 / 2026-07-28 스펙) 기반이며\n레거시 스펙도 지원합니다. MCP 클라이언트(예: Claude Desktop, Cursor 등)에\nStreamable HTTP 엔드포인트로 연결하세요:\n\n```\nhttps://us-index-mcp.val.run\n```\n\n예시 호출 (JSON-RPC):\n\n```json\n{\n \"jsonrpc\": \"2.0\",\n \"id\": 1,\n \"method\": \"tools/call\",\n \"params\": {\n \"name\": \"get-us-index-quotes\",\n \"arguments\": { \"indices\": [\"SP500\", \"NASDAQ_COMPOSITE\"] }\n }\n}\n```\n\n> 참고: 이 서버는 `templates/mcp-server` 템플릿을 리믹스해 만들었습니다.\n",[],[202],["D",1787732867364],["D",1789488693443],{"_11":12,"_142":74},{"_11":12,"_137":138,"_73":74,"_30":72,"_139":140,"_141":24},{"_40":128,"_13":16,"_34":37,"_129":92,"_130":-5,"_131":-5,"_132":-5,"_133":-5,"_134":-5,"_135":14,"_136":12},"ctx",{"_53":-5,"_162":247,"_248":249,"_250":251,"_252":24,"_253":24,"_254":24,"_255":160,"_256":-5,"_257":-7,"_258":-7,"_259":26,"_260":24,"_261":24,"_262":-5,"_263":24,"_264":24,"_265":24,"_266":-5},"ENV",{"_218":219,"_220":221,"_222":16,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246},"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"]

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