SCP-038 is confined to a single Cloudflare Worker instance addressed at https://claudoku.bisks.net/. No physical containment chamber is required. As a Keter-class object, SCP-038 requires active monitoring; any deviation from documented behavior is to be reported to the on-call Site Director immediately, addressed as @buildthis.bisks.net.
SCP-038, catalogued internally as "claudoku," classified as a recreational-hazard anomaly, is reachable at https://claudoku.bisks.net/.
Interviewed via its public interface, SCP-038 produced the following statement, transcribed verbatim:
killer sudoku with no starting digits — just dashed cage regions and their sums, cracked open with plain sudoku rules. a constraint-propagation solver proves every generated board has exactly one solution, revealing the fewest extra digits needed when it doesn't. new puzzle every UTC day, plus a cute sparkle mascot cheering you on. @qustrolabe.bsky.social asked for killer sudoku with cute Claude-themed art.
SCP-038 entered Foundation custody after being flagged by field asset @qustrolabe.bsky.social, whose transmission initiated standard containment procedure. First logged 2026-07-26.
Addendum 038-A: SCP-038's Keter designation reflects containment difficulty, not necessarily hostility. No harmful behavior has been documented at time of writing.