SCP-200 is confined to a single Cloudflare Worker instance addressed at https://trigrams.bisks.net/. No physical containment chamber is required. As a Euclid-class object, personnel are advised that SCP-200's behavior is only partially predictable under repeat interaction; researchers should log anomalous outputs to the site's own Addendum before treating them as expected behavior.
SCP-200 — designated "trigrams · waluigi" in Foundation records — classified as a utility-class anomaly, is reachable at https://trigrams.bisks.net/.
The anomaly's own landing page offers the following unprompted self-description:
your mirror-twins: take each three-word phrase only you have posted, reverse it, and find who said it backwards — if exactly one other person did, they're your waluigi. type any handle.
SCP-200 was brought to Foundation attention by @mrcheeze.github.io, who is credited in the containment log as the requesting party. First logged 2026-07-25.
Addendum 200-A: Euclid remains the Foundation's largest classification by volume. SCP-200 is unremarkable within that population and is not flagged for expedited review.