You should put MyFaces .jars to WEB-INF/lib folder of your JSF project. Or if you don't want to do it manually, go to your project preferences and modify the JSF facet configuration, i.e. right-click your project, select Properties > Project Facets, then check JavaServer Faces and follow the link 'Further Configuration required...' In the 'Component LIbraries' section of the wizard you can add myfaces libraries or whatever you need. How to add custom components into the JBoss Tools Pallete see here: http://www.redhat.com/docs/en-US/JBoss_Developer_Studio/en/jsf/html_singl... View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4238870#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...