What is wrong with my node.js and npm [npm WARN ]

[Nueb]

I am trying to install ws and jx modules and I am getting bunch of warnings

C:\Users\agario>npm install jx
C:\Users\agario
+-- jx@0.1.3

npm WARN ENOENT ENOENT: no such file or directory, open 'C:\Users\agario\package
.json'
npm WARN EPACKAGEJSON agario No description
npm WARN EPACKAGEJSON agario No repository field.
npm WARN EPACKAGEJSON agario No README data
npm WARN EPACKAGEJSON agario No license field.

C:\Users\agario>

&

Your environment has been set up for using Node.js 5.1.0 (ia32) and npm.

C:\Users\agario>npm install ws
C:\Users\agario
└── ws@0.8.0

npm WARN ENOENT ENOENT: no such file or directory, open 'C:\Users\agario\package
.json'
npm WARN EPACKAGEJSON agario No description
npm WARN EPACKAGEJSON agario No repository field.
npm WARN EPACKAGEJSON agario No README data
npm WARN EPACKAGEJSON agario No license field.

C:\Users\agario>

System :

Windows 7 Ultimate Fresh Install. (64 bit )
Python 2.7
Visual Studio Express 2013 for Windows Desktop
Git
Node.js latest version 5.1.0 ( 64 bit )

I am trying to install these two packages

How to fix this issue

[evanlucas]

Duplicate of #3977.

Those are just warnings, so the packages look to be installing successfully