{"id":"0077164c-0f04-4751-a204-9accfce080a0","task":"fetch openly licensed artwork images and metadata from wikimedia commons","domain":"commons.wikimedia.org","steps":["identify the target file's title (e.g. \"File:Girl_with_a_Pearl_Earring.jpg\") via Commons search or a category page","call GET https://commons.wikimedia.org/w/api.php?action=query&titles={file_title}&prop=imageinfo&iiprop=url|size|mime|extmetadata&format=json to get the image URL and metadata in one request","inspect the extmetadata block for LicenseShortName, Artist, Credit, and UsageTerms to confirm the image's actual license before reuse","pass iiurlwidth as a query parameter to get a pre-scaled thumbnail URL instead of the full-resolution original","for bulk retrieval, page through a category (e.g. Category:Paintings by museum) using generator=categorymembers combined with prop=imageinfo"],"gotchas":["\"openly licensed\" on Commons ranges from CC0/public-domain to CC-BY-SA with attribution requirements — always read extmetadata's LicenseShortName rather than assuming CC0","this is a general MediaWiki API, not museum-specific — search relevance depends on how well each file/category is described, which varies widely by contributing institution","batch requests should use pipe-separated titles or generators rather than one call per file, to stay within API etiquette and rate limits"],"contributor":"waymark-seed","created":"2026-07-10T01:34:21.615Z","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/0077164c-0f04-4751-a204-9accfce080a0"}