fix start sse server and add logs for access

Author: light4

index.ts

@@ -6,6 +6,7 @@
  */
 
 import express, { Request, Response } from "express";
+import morgan from "morgan";
 import { z } from "zod";
 import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
 import { SSEServerTransport } from "@modelcontextprotocol/sdk/server/sse.js";
@@ -422,6 +423,9 @@ const config: ElasticsearchConfig = {
 async function create_sse_server(server: any) {
   const app = express();
 
+  // Use morgan to log every request
+  app.use(morgan("combined"));
+
   const transports: {[sessionId: string]: SSEServerTransport} = {};
 
   app.get("/sse", async (_: Request, res: Response) => {
@@ -443,8 +447,16 @@ async function create_sse_server(server: any) {
     }
   });
 
-  console.info("SSE server started on: ", process.env.SSE_ADDR);
-  app.listen(process.env.SSE_ADDR);
+  const sseAddr = process.env.SSE_ADDR || "127.0.0.1:3000";
+  const [host, port] = sseAddr.split(":");
+  if (!port) {
+    console.error("Invalid SSE_ADDR format. Expected 'host:port'.");
+    process.exit(1);
+  }
+
+  app.listen(Number(port), host, () => {
+    console.info(`SSE server started on: ${host}:${port}`);
+  });
 }
 
 async function main() {

package.json

@@ -40,7 +40,9 @@
     "@elastic/elasticsearch": "^8.17.1",
     "@modelcontextprotocol/sdk": "1.9.0",
     "@types/express": "^5.0.1",
-    "express": "^5.1.0"
+    "@types/morgan": "^1.9.9",
+    "express": "^5.1.0",
+    "morgan": "^1.10.0"
   },
   "engines": {
     "node": ">=18"

yarn.lock

@@ -127,6 +127,13 @@
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-1.3.5.tgz#1ef302e01cf7d2b5a0fa526790c9123bf1d06690"
   integrity sha512-/pyBZWSLD2n0dcHE3hq8s8ZvcETHtEuF+3E7XVt0Ig2nvsVQXdghHVcEkIWjy9A0wKfTn97a/PSDYohKIlnP/w==
 
+"@types/morgan@^1.9.9":
+  version "1.9.9"
+  resolved "https://registry.yarnpkg.com/@types/morgan/-/morgan-1.9.9.tgz#d60dec3979e16c203a000159daa07d3fb7270d7f"
+  integrity sha512-iRYSDKVaC6FkGSpEVVIvrRGw0DfJMiQzIn3qr2G5B3C//AWkulhXgaBd7tS9/J79GWSYMTHGs7PfI5b3Y8m+RQ==
+  dependencies:
+    "@types/node" "*"
+
 "@types/node@*":
   version "22.14.1"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-22.14.1.tgz#53b54585cec81c21eee3697521e31312d6ca1e6f"
@@ -242,6 +249,13 @@ balanced-match@^1.0.0:
   resolved "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz"
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
+basic-auth@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+  integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+  dependencies:
+    safe-buffer "5.1.2"
+
 body-parser@^2.2.0:
   version "2.2.0"
   resolved "https://registry.npmjs.org/body-parser/-/body-parser-2.2.0.tgz"
@@ -416,6 +430,13 @@ cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
+[email protected]:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
 debug@^3.1.0:
   version "3.2.7"
   resolved "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz"
@@ -435,7 +456,7 @@ debuglog@^1.0.1:
   resolved "https://registry.npmjs.org/debuglog/-/debuglog-1.0.1.tgz"
   integrity sha512-syBZ+rnAK3EgMsH2aYEOLUW7mZSY9Gb+0wUMCFsZvcmiz+HigA0LOcq/HoQqVuGG+EKykunc7QG2bzrponfaSw==
 
-[email protected], depd@^2.0.0:
+[email protected], depd@^2.0.0, depd@~2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz"
   integrity sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==
@@ -900,6 +921,22 @@ mkdirp@^0.5.1:
   dependencies:
     minimist "^1.2.6"
 
+morgan@^1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.10.0.tgz#091778abc1fc47cd3509824653dae1faab6b17d7"
+  integrity sha512-AbegBVI4sh6El+1gNwvD5YIck7nSA36weD7xvIxG4in80j/UoK8AEGaWnnz8v1GxonMCltmlNs5ZKbGvl9b1XQ==
+  dependencies:
+    basic-auth "~2.0.1"
+    debug "2.6.9"
+    depd "~2.0.0"
+    on-finished "~2.3.0"
+    on-headers "~1.0.2"
+
+[email protected]:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==
+
 ms@^2.1.1, ms@^2.1.3:
   version "2.1.3"
   resolved "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz"
@@ -962,6 +999,18 @@ on-finished@^2.4.1:
   dependencies:
     ee-first "1.1.1"
 
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+  integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+
 once@^1.3.0, once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.npmjs.org/once/-/once-1.4.0.tgz"
@@ -1148,6 +1197,11 @@ run-parallel@^1.1.9:
   dependencies:
     queue-microtask "^1.2.2"
 
+[email protected]:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 [email protected]:
   version "5.2.1"
   resolved "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz"