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 Your monobook is in Category:Wikipedia tools 
Your monobook (and myskin) are in Category:Wikipedia tools. This is most likely because when you were copying scripts into yout monobook you accidentaly copied their category. Since your monobook is not a tool itself, please remove this category from it. If you intend for your monobook to be a tool, please consider creating a subpage with a more descriptive name, and moving the category there. Thank you, | talk  "