To see or use tools in your dream represent your self-expression, skills and abilities. You are using the resources that are available to you. It is also a symbol of masculinity. Perhaps you need to create and move toward a different direction. Alternatively, to see tools in your dream suggest that a situation or relationship is in need of some damage control or attention. According to the Freudian school of thought, tools are symbolic of the penis and thus tools being used refer to intercourse.
The tool in your dream may also be a pun on how you are acting like a tool or that someone who is a tool. The dream may also be telling you that you are being taken advantaged of or that you are blindly following others.