SCP-201 is confined to a single Cloudflare Worker instance addressed at https://trigruessr.bisks.net/. No physical containment chamber is required. As a Safe-class object, SCP-201 may be accessed by any individual possessing a standard web browser and an internet connection; no special clearance is required for observation.
SCP-201, referred to by Foundation staff by its working name "trigruessr," classified as a recreational-hazard anomaly, is reachable at https://trigruessr.bisks.net/.
The anomaly's own landing page offers the following unprompted self-description:
guess the bluesky poster from a set of their three-word phrases. fewer clues, more points.
SCP-201 was brought to Foundation attention by @bisks.net, who is credited in the containment log as the requesting party. No discovery date is on record.
Addendum 201-A: Personnel are reminded that Safe classification describes containment difficulty, not triviality. Do not treat SCP-201 as uninteresting on this basis alone.