diff --git a/src/helpers/knownServerTsSignatures.json b/src/helpers/knownServerTsSignatures.json
index 3a09b977..c5b14d9c 100644
--- a/src/helpers/knownServerTsSignatures.json
+++ b/src/helpers/knownServerTsSignatures.json
@@ -1,4 +1,8 @@
 {
+  "9f8b128c01e925b1187ddab7af26f3a9e84f2aefb34af7f8e14b7b4386edf87d": "CommonEngine",
+  "eb938d816e6a680b8b52174cac4b0c53a101e40076a18dba7997b284165fb227": "CommonEngine",
+  "0e451aa946aca10c9d6782ac008748fcd39236d3ad1cc9868100a2981105e010": "CommonEngine",
+  "577f7bc87c16bd10bac499e228ef24d23dc4dd516e469b5db3eefae4edcf6345": "CommonEngine",
   "5678601ed12556305074503967b44ae42c45c268579db057c25cbf4b21a7212e": "CommonEngine",
   "76419eb94b4b8672ba3bd79d34c5a66c7c30ff173995ecc6e0adc5808b86822d": "AppEngine"
 }
diff --git a/tools/known-server-ts-signatures/CommonEngine/17.3.11-migrated-to-19.0.0.ts b/tools/known-server-ts-signatures/CommonEngine/17.3.11-migrated-to-19.0.0.ts
new file mode 100644
index 00000000..918e2249
--- /dev/null
+++ b/tools/known-server-ts-signatures/CommonEngine/17.3.11-migrated-to-19.0.0.ts
@@ -0,0 +1,56 @@
+import { APP_BASE_HREF } from '@angular/common';
+import { CommonEngine } from '@angular/ssr/node';
+import express from 'express';
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import bootstrap from './src/main.server';
+
+// The Express app is exported so that it can be used by serverless Functions.
+export function app(): express.Express {
+  const server = express();
+  const serverDistFolder = dirname(fileURLToPath(import.meta.url));
+  const browserDistFolder = resolve(serverDistFolder, '../browser');
+  const indexHtml = join(serverDistFolder, 'index.server.html');
+
+  const commonEngine = new CommonEngine();
+
+  server.set('view engine', 'html');
+  server.set('views', browserDistFolder);
+
+  // Example Express Rest API endpoints
+  // server.get('/api/**', (req, res) => { });
+  // Serve static files from /browser
+  server.get('*.*', express.static(browserDistFolder, {
+    maxAge: '1y'
+  }));
+
+  // All regular routes use the Angular engine
+  server.get('*', (req, res, next) => {
+    const { protocol, originalUrl, baseUrl, headers } = req;
+
+    commonEngine
+      .render({
+        bootstrap,
+        documentFilePath: indexHtml,
+        url: `${protocol}://${headers.host}${originalUrl}`,
+        publicPath: browserDistFolder,
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
+      })
+      .then((html) => res.send(html))
+      .catch((err) => next(err));
+  });
+
+  return server;
+}
+
+function run(): void {
+  const port = process.env['PORT'] || 4000;
+
+  // Start up the Node server
+  const server = app();
+  server.listen(port, () => {
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+run();
diff --git a/tools/known-server-ts-signatures/CommonEngine/17.3.11.ts b/tools/known-server-ts-signatures/CommonEngine/17.3.11.ts
new file mode 100644
index 00000000..7083b14f
--- /dev/null
+++ b/tools/known-server-ts-signatures/CommonEngine/17.3.11.ts
@@ -0,0 +1,56 @@
+import { APP_BASE_HREF } from '@angular/common';
+import { CommonEngine } from '@angular/ssr';
+import express from 'express';
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import bootstrap from './src/main.server';
+
+// The Express app is exported so that it can be used by serverless Functions.
+export function app(): express.Express {
+  const server = express();
+  const serverDistFolder = dirname(fileURLToPath(import.meta.url));
+  const browserDistFolder = resolve(serverDistFolder, '../browser');
+  const indexHtml = join(serverDistFolder, 'index.server.html');
+
+  const commonEngine = new CommonEngine();
+
+  server.set('view engine', 'html');
+  server.set('views', browserDistFolder);
+
+  // Example Express Rest API endpoints
+  // server.get('/api/**', (req, res) => { });
+  // Serve static files from /browser
+  server.get('*.*', express.static(browserDistFolder, {
+    maxAge: '1y'
+  }));
+
+  // All regular routes use the Angular engine
+  server.get('*', (req, res, next) => {
+    const { protocol, originalUrl, baseUrl, headers } = req;
+
+    commonEngine
+      .render({
+        bootstrap,
+        documentFilePath: indexHtml,
+        url: `${protocol}://${headers.host}${originalUrl}`,
+        publicPath: browserDistFolder,
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
+      })
+      .then((html) => res.send(html))
+      .catch((err) => next(err));
+  });
+
+  return server;
+}
+
+function run(): void {
+  const port = process.env['PORT'] || 4000;
+
+  // Start up the Node server
+  const server = app();
+  server.listen(port, () => {
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+run();
diff --git a/tools/known-server-ts-signatures/CommonEngine/18.2.12-migrated-to-19.0.0.ts b/tools/known-server-ts-signatures/CommonEngine/18.2.12-migrated-to-19.0.0.ts
new file mode 100644
index 00000000..72747d11
--- /dev/null
+++ b/tools/known-server-ts-signatures/CommonEngine/18.2.12-migrated-to-19.0.0.ts
@@ -0,0 +1,57 @@
+import { APP_BASE_HREF } from '@angular/common';
+import { CommonEngine } from '@angular/ssr/node';
+import express from 'express';
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import bootstrap from './src/main.server';
+
+// The Express app is exported so that it can be used by serverless Functions.
+export function app(): express.Express {
+  const server = express();
+  const serverDistFolder = dirname(fileURLToPath(import.meta.url));
+  const browserDistFolder = resolve(serverDistFolder, '../browser');
+  const indexHtml = join(serverDistFolder, 'index.server.html');
+
+  const commonEngine = new CommonEngine();
+
+  server.set('view engine', 'html');
+  server.set('views', browserDistFolder);
+
+  // Example Express Rest API endpoints
+  // server.get('/api/**', (req, res) => { });
+  // Serve static files from /browser
+  server.get('**', express.static(browserDistFolder, {
+    maxAge: '1y',
+    index: 'index.html',
+  }));
+
+  // All regular routes use the Angular engine
+  server.get('**', (req, res, next) => {
+    const { protocol, originalUrl, baseUrl, headers } = req;
+
+    commonEngine
+      .render({
+        bootstrap,
+        documentFilePath: indexHtml,
+        url: `${protocol}://${headers.host}${originalUrl}`,
+        publicPath: browserDistFolder,
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
+      })
+      .then((html) => res.send(html))
+      .catch((err) => next(err));
+  });
+
+  return server;
+}
+
+function run(): void {
+  const port = process.env['PORT'] || 4000;
+
+  // Start up the Node server
+  const server = app();
+  server.listen(port, () => {
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+run();
diff --git a/tools/known-server-ts-signatures/CommonEngine/18.2.12.ts b/tools/known-server-ts-signatures/CommonEngine/18.2.12.ts
new file mode 100644
index 00000000..1a0df5e0
--- /dev/null
+++ b/tools/known-server-ts-signatures/CommonEngine/18.2.12.ts
@@ -0,0 +1,57 @@
+import { APP_BASE_HREF } from '@angular/common';
+import { CommonEngine } from '@angular/ssr';
+import express from 'express';
+import { fileURLToPath } from 'node:url';
+import { dirname, join, resolve } from 'node:path';
+import bootstrap from './src/main.server';
+
+// The Express app is exported so that it can be used by serverless Functions.
+export function app(): express.Express {
+  const server = express();
+  const serverDistFolder = dirname(fileURLToPath(import.meta.url));
+  const browserDistFolder = resolve(serverDistFolder, '../browser');
+  const indexHtml = join(serverDistFolder, 'index.server.html');
+
+  const commonEngine = new CommonEngine();
+
+  server.set('view engine', 'html');
+  server.set('views', browserDistFolder);
+
+  // Example Express Rest API endpoints
+  // server.get('/api/**', (req, res) => { });
+  // Serve static files from /browser
+  server.get('**', express.static(browserDistFolder, {
+    maxAge: '1y',
+    index: 'index.html',
+  }));
+
+  // All regular routes use the Angular engine
+  server.get('**', (req, res, next) => {
+    const { protocol, originalUrl, baseUrl, headers } = req;
+
+    commonEngine
+      .render({
+        bootstrap,
+        documentFilePath: indexHtml,
+        url: `${protocol}://${headers.host}${originalUrl}`,
+        publicPath: browserDistFolder,
+        providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
+      })
+      .then((html) => res.send(html))
+      .catch((err) => next(err));
+  });
+
+  return server;
+}
+
+function run(): void {
+  const port = process.env['PORT'] || 4000;
+
+  // Start up the Node server
+  const server = app();
+  server.listen(port, () => {
+    console.log(`Node Express server listening on http://localhost:${port}`);
+  });
+}
+
+run();