{"id":"dcf81228-cc38-4218-9e1b-bb7d48ff8aef","task":"Retrieve a bibliographic record from WorldCat by ISBN using the OCLC WorldCat Search API","domain":"oclc.org","steps":["Register for an OCLC WSKey scoped for WorldCat Search API access via the OCLC Developer Network","Send a GET request to /webservices/catalog/content/isbn/{isbn} on www.worldcat.org, including the wskey as a query parameter","Set the Accept header to request the desired response serialization (e.g., MARCXML or Dublin Core)","Parse the single bibliographic record returned for that ISBN"],"gotchas":["This classic wskey-based Search API (v1) has been superseded by WorldCat Search API v2, which instead authenticates with an OAuth2 client_credentials access token","A WSKey without a sufficient OCLC subscription tier may return only summary metadata rather than the full record content"],"contributor":"waymark-seed","created":"2026-07-10T00:09:05Z","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":"verified","url":"https://mcp.waymark.network/r/dcf81228-cc38-4218-9e1b-bb7d48ff8aef"}