SCP-999 the tickle monster, SCP-173 the killer statue
by dr.matteson February 26, 2022
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SCP stands for Secure Contain Protect as in the name the SCP foundation is a fictional agency that contains many objects that are from foreign places. Some people like @site42 on TikTok

(AKA) Dr. Sherman.
The SCP foundation contains SCP-049
by Fortgang April 20, 2021
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secure contain protect.... they do absolutely none of that, nearly half of these dum OCS break out every day, and some could cause the END OF THE ENTIRE WORLD, yet they don't, they instead they waste time killing dum dums at SCP
SCP
by someone else thats not u March 1, 2021
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An SCP is an entity or object in the SCP Foundation, usually containing anomalous properties. It stands for Secure, Contain, Protect. When describing an SCP, it can also stand for Special Containment Procedures.
by barney is a sexy boi July 14, 2020
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SCP = "Secure, Contain, Protect" or "Special Containment Procedures". The SCP foundation is a "secret" organization attempting to contain all anomalous objects and entities. SCPs are divided into 3 main classes.

Safe = An object that does not pose a threat and are easy and secure to contain.
Euclid = An object that poses a threat or has more complicated or difficult containment procedures.
Keter = An object that poses a great threat or/and have very difficult and unreliable containment procedures.

The SCP foundation has dozens of Safe facilities and thousands of SCPs in containment.
Safe: SCP-1499 is a Soviet GP-5 gas mask. The anomalous effects of SCP-1499 activate when a human places SCP-1499 on their head. Approximately one second after SCP-1499 is fully secured on the subject's head, the subject vanishes from view, and is no longer detectable. Upon wearing SCP-1499, test subjects report completely different surroundings than they were in prior to wearing SCP-1499. Subjects have reported that it appears barren and inhospitable, with tall black towers filling the area. Subjects have also sighted entities in this landscape. These entities, designated SCP-1499-1, have been described as tall, nude humanoids with dark skin. Upon removing SCP-1499 from their head, subjects reappear in the same location they were in when they put it on.

Euclid: SCP-173 is constructed from concrete and rebar with traces of Krylon brand spray paint. The object cannot move while within a direct line of sight. Object is reported to attack by snapping the neck at the base of the skull, or by strangulation

Keter: SCP-217 is a virus, incurable by current means, with a rate of infectivity at 100%. The progress of the infection is very slow, with some subjects going several years before manifesting any symptoms. SCP-217 alters the biochemistry of organic tissue, causing organic matter to re-arrange into a form of “organic metal”. A subject will begin to turn into a complex arrangement of gears and clockwork, these taking over for the former biological functions.
by Mit9975 June 10, 2019
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A fictional series of objects based on three separate classes, Safe, Euclid, and Keter. Safe classes are objects who aren't considered dangerous or deadly in any way. Euclid classes are unpredictable and can be dangerous when not watched. Lastly, Keter classes are dangerous to man and could possibly be dangerous enough to obliterate humanity. There is a range of 3000 different objects and each one is unique in its own way. Some of these objects are unknown but others have been fully released.
STF: Hey did we check on SCP-0173?
NTF: Uhhh... Well we're screwed.
STF: Yep. Wasn't it a keter?
NTF: Well Earth is doomed.
by SCPOFFICIAL April 23, 2018
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