ABSTRACT: BACKGROUND: As the demands for competency-based education grow, the need for standards-based tools to allow for publishing and discovery of competency-based learning content is more pressing. This project focused on developing federated discovery services for competency-based medical e-learning content. METHODS: We built a tool suite for authoring and discovery of medical e-learning metadata. The end-user usability of the tool suite was evaluated through a web-based survey. RESULTS: The suite, implemented as an open-source system, was evaluated to identify areas for improvement. CONCLUSION: The MERG suite is a starting point for organizations implementing competency-based e-learning resources.