fix: simplify the error output

Author: punkpeye

package.json

@@ -25,6 +25,7 @@
     "@modelcontextprotocol/sdk": "^1.6.0",
     "eventsource": "^3.0.5",
     "fastmcp": "^1.18.0",
+    "multiline-ts": "^4.0.1",
     "yargs": "^17.7.2"
   },
   "repository": {

pnpm-lock.yaml

@@ -8,7 +8,7 @@ import { Server } from "@modelcontextprotocol/sdk/server/index.js";
 import { proxyServer, startSSEServer } from "../MCPProxy.js";
 import { EventSource } from "eventsource";
 import { setTimeout } from "node:timers/promises";
-import { prefixLines } from "../utilities/prefixLines.js";
+import multiline from 'multiline-ts';
 
 if (!("EventSource" in global)) {
   // @ts-expect-error - figure out how to use --experimental-eventsource with vitest
@@ -81,7 +81,15 @@ try {
 
   console.info('connected to the MCP server');
 } catch (error) {
-  console.error('could not connect to the MCP server', error, prefixLines(stderrOutput, '> '));
+  console.error(multiline`
+    could not connect to the MCP server
+
+    --- error ---
+    ${String(error)}
+
+    --- stderr output ---
+    ${stderrOutput}
+`);
 
   await setTimeout(1000);