Alpha Vantage MCP Server

#!/usr/bin/env bun /** * Simple test script for SSE mode * Tests that the SSE transport can properly handle requests */ async function testSSE() { console.log("Testing MCP Server in SSE mode...\n"); // Start server const server = Bun.spawn(["bun", "src/mcp.ts", "--sse", "--port", "3001"], { stderr: "pipe", stdout: "pipe", }); // Wait for server to start await new Promise(resolve => setTimeout(resolve, 2000)); try { // Test 1: Establish SSE connection and send a tools/list request console.log("=== Test 1: List tools via SSE ==="); // In a real SSE test, we would: // 1. GET /sse to establish SSE connection // 2. POST to /messages with the JSON-RPC request // 3. Receive response via SSE events // For now, we'll just verify the server is running const healthCheck = await fetch("http://localhost:3001/sse"); console.log("SSE endpoint status:", healthCheck.status); console.log("SSE endpoint headers:", Object.fromEntries(healthCheck.headers.entries())); // Close the connection healthCheck.body?.cancel(); console.log("\n✓ SSE mode server is running and accepting connections"); console.log("✓ No 'stream is not readable' error occurred"); console.log("\nNote: Full SSE testing requires a proper MCP client that can handle SSE streams."); } catch (error) { console.error("Error testing SSE mode:", error); throw error; } finally { // Clean up server.kill(); await new Promise(resolve => setTimeout(resolve, 500)); } } testSSE().catch((error) => { console.error("Test failed:", error); process.exit(1); });