diff --git a/cobigen/cobigen-tsplugin/pom.xml b/cobigen/cobigen-tsplugin/pom.xml
index aaab698a16..39ee798c93 100644
--- a/cobigen/cobigen-tsplugin/pom.xml
+++ b/cobigen/cobigen-tsplugin/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>tsplugin</artifactId>
   <name>CobiGen - TypeScript Plug-in</name>
-  <version>7.0.0</version>
+  <version>7.1.0</version>
   <packaging>jar</packaging>
   <description>CobiGen - TypeScript Plug-in</description>
 
diff --git a/cobigen/cobigen-tsplugin/src/main/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReader.java b/cobigen/cobigen-tsplugin/src/main/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReader.java
index fb837b0db8..b15c6ff8a9 100644
--- a/cobigen/cobigen-tsplugin/src/main/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReader.java
+++ b/cobigen/cobigen-tsplugin/src/main/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReader.java
@@ -8,7 +8,9 @@
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
@@ -16,6 +18,7 @@
 import java.util.Map;
 import java.util.stream.Stream;
 
+import org.apache.commons.io.FilenameUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -101,48 +104,26 @@ private Boolean startServerConnection() {
 
     @Override
     public boolean isValidInput(Object input) {
-        String fileContents = null;
-
-        Path path = null;
 
         if (input instanceof Path) {
-            path = (Path) input;
+            return true;
         } else if (input instanceof File) {
-            path = ((File) input).toPath();
+            return true;
         } else {
-            return false;
-        }
-
-        if (serverIsNotDeployed) {
-            LOG.error("We have not been able to send requests to the external server. "
-                + "Most probably there is an error on the executable file. "
-                + "Try to manually remove folder .cobigen/externalservers found at your user root folder");
-            return false;
-        }
-
-        // File content is not needed, as only the file extension is checked
-        fileContents = new String("");
-
-        String fileName = path.toString();
-        InputFileTo inputFile = new InputFileTo(fileName, fileContents, charset);
-
-        HttpURLConnection conn = request.getConnection("POST", "Content-Type", "application/json", "isValidInput");
-
-        if (request.sendRequest(inputFile, conn, charset)) {
-
-            String response = new String();
-            try (InputStreamReader isr = new InputStreamReader(conn.getInputStream());
-                BufferedReader br = new BufferedReader(isr);) {
-
-                LOG.info("Receiving response from Server....");
-                response = br.readLine();
-
-                return Boolean.parseBoolean(response);
-            } catch (IOException e) {
-                connectionExc.handle(e);
+            try {
+                // Input corresponds to the parsed file
+                Map<String, Object> mapModel = createModel(input);
+                mapModel = (Map<String, Object>) mapModel.get("model");
+                if (Paths.get(mapModel.get("path").toString()) == null) {
+                    return false;
+                }
+                return true;
+            } catch (Exception e) {
+                LOG.error("An exception occured while parsing the input", e);
+                return false;
             }
         }
-        return false;
+
     }
 
     @Override
@@ -202,6 +183,7 @@ public List<Object> getInputObjects(Object input, Charset inputCharset, boolean
 
         try {
             if (isValidInput(input)) {
+
                 String inputModel = (String) read(new File(input.toString()).toPath(), inputCharset);
                 Map<String, Object> mapModel = (Map<String, Object>) createModel(inputModel).get("model");
 
@@ -270,6 +252,7 @@ public Object read(Path path, Charset inputCharset, Object... additionalArgument
                 s.parallel().forEachOrdered((String line) -> {
                     inputModel.append(line);
                 });
+
                 return inputModel.toString();
 
             } catch (Exception e) {
@@ -283,7 +266,10 @@ public Object read(Path path, Charset inputCharset, Object... additionalArgument
 
     @Override
     public boolean isMostLikelyReadable(Path path) {
-        return path.toFile().isFile() && path.toString().endsWith("." + VALID_EXTENSION);
+
+        List<String> validExtensions = Arrays.asList("ts", "js", "nest");
+        String fileExtension = FilenameUtils.getExtension(path.toString()).toLowerCase();
+        return validExtensions.contains(fileExtension);
     }
 
     /**
diff --git a/cobigen/cobigen-tsplugin/src/test/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReaderTest.java b/cobigen/cobigen-tsplugin/src/test/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReaderTest.java
index e3face2b37..9aa69f1d1d 100644
--- a/cobigen/cobigen-tsplugin/src/test/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReaderTest.java
+++ b/cobigen/cobigen-tsplugin/src/test/java/com/devonfw/cobigen/tsplugin/inputreader/TypeScriptInputReaderTest.java
@@ -122,6 +122,28 @@ public void testValidInput() {
 
     }
 
+    /**
+     * Sends an Object containing only the path of the file that needs to be parsed. Checks whether it is a
+     * valid input.
+     *
+     * @test fails
+     */
+    @Test
+    public void testValidInputObjectString() {
+
+        // arrange
+        TypeScriptInputReader tsInputReader = new TypeScriptInputReader();
+        File baseFile = new File(testFileRootPath + "baseFile.ts");
+
+        String inputModel = (String) tsInputReader.read(baseFile.getAbsoluteFile().toPath(), Charset.defaultCharset());
+
+        boolean isValidInput = tsInputReader.isValidInput(inputModel);
+
+        LOG.debug("Valid input ? " + isValidInput);
+        assertTrue(isValidInput);
+
+    }
+
     /**
      * Sends a fileEto containing only the path of the file that needs to be parsed. Checks whether the file
      * is most likely readable.
diff --git a/documentation/master-cobigen.asciidoc b/documentation/master-cobigen.asciidoc
index ace127cc6c..24d3828b2d 100644
--- a/documentation/master-cobigen.asciidoc
+++ b/documentation/master-cobigen.asciidoc
@@ -20,7 +20,7 @@ DISCLAIMER: All Cobigen plugins are compatible with the latest release of Devonf
 * CobiGen v7.0.0
 * CobiGen - Java Plug-in v7.0.0
 * CobiGen - XML Plug-in v7.0.0
-* CobiGen - TypeScript Plug-in v7.0.0
+* CobiGen - TypeScript Plug-in v7.1.0
 * CobiGen - Property Plug-in v7.0.0
 * CobiGen - Text Merger v7.0.0
 * CobiGen - JSON Plug-in v7.0.0