I tried using LanguageTool in command-line mode, as described in the documentation.
It seems a necessary file is not included in the .jar file.
$ java -jar LanguageTool.jar stories/40/chapter.1.txt
No language specified, using English
Exception in thread “main” java.lang.NoClassDefFoundError: net/sourceforge/segment/srx/SrxParser
at org.languagetool.language.English.getSentenceTokenizer(English.java:53)
at org.languagetool.Main.main(Main.java:481)
Caused by: java.lang.ClassNotFoundException: net.sourceforge.segment.srx.SrxParser
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
… 2 more