Alpha Vantage MCP Server

#!/usr/bin/env bun /** * Simple MCP client to test the MCP server */ async function testMcpServer() { console.log("Testing MCP Server...\n"); // We'll use the StdioClientTransport to connect const { Client } = await import("@modelcontextprotocol/sdk/client/index.js"); const { StdioClientTransport } = await import("@modelcontextprotocol/sdk/client/stdio.js"); const transport = new StdioClientTransport({ command: "bun", args: ["src/mcp.ts", "--stdio"], }); const client = new Client( { name: "test-client", version: "1.0.0", }, { capabilities: {}, } ); try { console.log("Connecting to MCP server..."); await client.connect(transport); console.log("Connected!\n"); // Test 1: List tools console.log("=== Test 1: List Tools ==="); const toolsResult = await client.request({ method: "tools/list" }, {} as any); console.log("Available tools:", JSON.stringify(toolsResult, null, 2)); console.log(); // Test 2: Get stock prices for AAPL on 20251223 console.log("=== Test 2: Get AAPL stock prices for 20251223 ==="); const stockResult = await client.request( { method: "tools/call" }, { name: "get_stock_prices", arguments: { symbol: "AAPL", date: "20251223", }, } as any ); console.log("Result:", JSON.stringify(stockResult, null, 2)); console.log(); // Test 3: Get latest 100 IBM stock prices console.log("=== Test 3: Get latest 100 IBM stock prices ==="); const ibmResult = await client.request( { method: "tools/call" }, { name: "get_stock_prices", arguments: { symbol: "IBM", }, } as any ); const ibmData = JSON.parse((ibmResult as any).content[0].text); console.log(`Found ${ibmData.data?.length || 0} records for IBM`); console.log("First record:", ibmData.data?.[0]); console.log(); // Test 4: Get news between dates console.log("=== Test 4: Get news between 20251221 and 20251222 ==="); const newsResult = await client.request( { method: "tools/call" }, { name: "get_news", arguments: { from: "20251221", to: "20251222", }, } as any ); const newsData = JSON.parse((newsResult as any).content[0].text); console.log(`Found ${newsData.count || 0} news articles`); if (newsData.data?.[0]) { console.log("First article title:", newsData.data[0].title); } console.log(); // Test 5: Get news with keyword filter console.log("=== Test 5: Get news with keyword 'trading' ==="); const newsKeywordResult = await client.request( { method: "tools/call" }, { name: "get_news", arguments: { from: "20251221", to: "20251222", keyword: "trading", }, } as any ); const newsKeywordData = JSON.parse((newsKeywordResult as any).content[0].text); console.log(`Found ${newsKeywordData.count || 0} news articles matching 'trading'`); if (newsKeywordData.data?.[0]) { console.log("First article title:", newsKeywordData.data[0].title); } console.log(); console.log("All tests completed successfully!"); // Close the connection await client.close(); process.exit(0); } catch (error) { console.error("Error during testing:", error); process.exit(1); } } testMcpServer();