Skill boost for Artiificers

I have a question for anyone who can answer it,

 Can artificfer create Items tahtboost skill modifiers. 

I was looking to improve my Artificer's concentration ability by a few points, but I am honest to busy to go pouring the needless tomes  of Dnd 5.0 and 5.5 ed. to find out. The question is ; are there item that will do this . I have tons of ideas  but can't find anything about the machanics of doing so. please share you thoughts, ideas and wisdom with me on this and other ideas like it.

first what exactly are you looking for?

you mentioned skill modifiers and concentration which are two completely different things 

secondly this is just an assumption but if your looking to boost concentration just have constitution as your second highest ability score(it's pretty normal to have it as the second or third highest score). Cloak of protection or the luckstone would also seem to serve your purposes

and dude please install some autocorrect or something (I'm a person who just hates spelling errors.)

Quote from michaelmccown54 >>

I have a question for anyone who can answer it,

 Can artificfer create Items tahtboost skill modifiers. 

I was looking to improve my Artificer's concentration ability by a few points, but I am honest to busy to go pouring the needless tomes  of Dnd 5.0 and 5.5 ed. to find out. The question is ; are there item that will do this . I have tons of ideas  but can't find anything about the machanics of doing so. please share you thoughts, ideas and wisdom with me on this and other ideas like it.

Well, first things first: Concentration isn't a skill, and so improving skill modifiers won't affect it. If what you're trying to do is create an item that will improve your ability to hold Concentration on spells, then what you need is something that improves Constitution saving throws (or saving throws in general). 

The most prominent example for Artificers is a ring called a Mind Sharpener, which Artificers can replicate from level 6 and up. When you fail a Concentration saving throw, this item lets you use a Reaction to turn it into a success, 4 times per day.

You might also consider a Cloak of Protection or Ring of Protection (though these aren't available to replicate until level 10 and level 14 respectively) each of which provides a blanket +1 bonus to all saving throws, including Concentration saving throws.

Outside the realm of magic items, there's also the War Caster feat, which gives you advantage on all Concentration saves.

The Manual of Bodily Health will increase your Constitution score by 2 points, which would help your Concentration saving throws. However, it’s a very rare Wondrous Item, so not valid for the Artificer’s Replicate Magic Item feature. You could still craft it using the crafting rules in the DM’s guide (if you have 125 days and 20,025 GP spare).