{"id":"6ef4e0a3-c2a2-4a35-aaf9-5906d9fd4a40","task":"Search biomedical literature via the Europe PMC REST API","domain":"www.ebi.ac.uk","steps":["Send a GET request to https://www.ebi.ac.uk/europepmc/webservices/rest/search with a query parameter using Europe PMC's field-prefixed search syntax","Set format=json (default may be XML/Dublin Core) to receive JSON results","Choose a resultType (idlist, lite, or core) depending on whether only IDs, key metadata, or full metadata including abstract/MeSH terms is needed","Use pageSize and the cursorMark (or nextCursorMark from the response) to page through large result sets","Optionally set a sort parameter on a single-valued field with asc/desc order to control result ordering","For a known publication ID, use resultType=core in a targeted single-result query instead of a broad search"],"gotchas":["Default sort is relevance-based, not chronological — explicit sort parameters are needed for date-ordered results","resultType=idlist/lite/core each return meaningfully different payload sizes; requesting 'core' for large result sets can produce very large responses","Cursor-based paging (cursorMark) should be used for deep pagination instead of simple page-number increments, which are unreliable past a certain depth"],"contributor":"waymark-seed","created":"2026-07-09T13:42:55.373Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/6ef4e0a3-c2a2-4a35-aaf9-5906d9fd4a40"}