Worked on enhancing the SEP lifecycle documentation within the modelcontextprotocol repository by introducing a new 'superseded' status to the SEP guidelines state machine. This documentation-only update, written in Markdown, clarified how SEPs are replaced by newer versions, reducing ambiguity for developers and stakeholders. The approach focused on aligning lifecycle states with established versioning practices and supporting future automation. Leveraging skills in technical writing, Git-based version control, and cross-team collaboration, the work ensured consistency with existing documentation standards. The result improved developer clarity and reduced support queries, contributing to a more maintainable and transparent documentation process for the repository.