Another useful API to write an MCP frontend for could be the CKMs API: https://ckm.openehr.org/ckm/rest-doc/
Then one e.g. could just ask an LLM to find all archetypes that erraneously has an at-code on EVENT_CONTEXT (see The good, the bad and the "Wat?" of current simplified FLAT/SimSDT openEHR exchange format - #23 by joshua.grisham) instad of looking through them manually and potentially miss some