All rankings
SCP Foundation · Ranked on the record, class printedseries i · later series

Classes,MisreadThe SCP Foundation power ranking

Every other franchise on this site publishes a number and leaves you to work out that it is not a power ranking. The Foundation does the work for you. Its object classes sort anomalies by how difficult they are to contain, the documentation states outright that Keter does not mean dangerous, and the deciding question is a thought experiment about a box: put the thing in one and see whether it stays. Then everybody reads the classes as a threat ladder anyway. What ranks an entry here is what its own file records.

The short answer

SCP-914 is Safe, and it can turn almost any object into almost any other object. SCP-999 is Safe, and it is a friendly orange slime that makes people happy. Safe does not mean weak — it means the box holds. Meanwhile SCP-055 is Keter and cannot be ranked at all, because nobody can retain what it is for long enough to describe it. A classification that puts a transmutation engine and a therapy animal in the same bracket is not measuring power, and it never claimed to.

Continuity

Crowd ranking opens once enough matchups are in. Until then this is the evidence column alone — 8 ranked entries, argued from 11 citations.

Key to the marks on each entry

shown
depicted on page or screen
stated
asserted by a character or narrator
scaled
inferred by comparison — the weakest
contested
a placement people argue over
off-scale
listed, unranked, and not votable
EvidenceCrowdΔ
Tier 00 · not on the scale

The box holds nothing describable

Anomalies whose own documentation cannot hold still. Where the record exists but refuses to stay legible, there is nothing here to weigh, and saying so is more useful than guessing.

00.1––·

SCP-055Keter — series I

Series InovelcontestedOff-scale

The one entry on this site that defeats the method rather than testing it. Its documented property is that nobody retains what it is: personnel can record facts about what it is *not*, and the positive description will not stay in a head or, reportedly, on a page. So there is no feat to weigh, no capability to compare, and the only honest thing a ranking can do is print the gap where the evidence should be. It is filed Keter, which under the Foundation's own rule means the box does not reliably hold it — a statement about containment that tells a reader nothing at all about power.

  • SCP Foundation · SCP-055 · stated

    An anomaly whose description cannot be retained by observers.

Tier 01 · apex

Ranked on the logs, not the letter

Ranked on capability demonstrated in test logs and incident reports rather than on the class stamped at the head of the file. Two of the four are filed Keter, one is Thaumiel, and one is Safe.

01––·

SCP-2000Thaumiel — later series

Later seriesnovel

A facility built to restart the human species. After an extinction-level event it manufactures people, rebuilds infrastructure and edits the surviving record so that nobody afterwards knows it happened. Nothing else in this setting operates at that scale, and its class is Thaumiel — a bracket reserved for anomalies the Foundation uses to contain other anomalies — a heading that means *useful*. The most consequential object in the setting is filed under the bracket for tools.

  • SCP Foundation · SCP-2000 · stated

    A facility for reconstructing humanity following a K-Class scenario.

02––·

SCP-682Keter — series I

Series Inovel

The Foundation has tried to destroy it repeatedly and written down every attempt, which makes it the best-evidenced entry on this page: the record is a series of documented failures by an organisation with unusual resources. It regenerates from remains small enough to be missed, and it adapts to whatever nearly worked last time. Durability is not capability, though: nothing has removed it, and it has not remade anything either.

  • SCP Foundation · SCP-682 · stated

    Regenerates from minimal remaining tissue and adapts to prior damage.

  • SCP Foundation · SCP-682 termination logs · shown

    Repeated documented attempts at destruction, none permanently successful.

03––·

SCP-914Safe — series I

Series Inovel

Put an object in one end, choose a setting, and take a different object out of the other. The settings run from Rough to Very Fine and the outputs are documented across a long test log, which is why this sits third on evidence rather than on reputation — the record is an experimental series, not an assertion. It is filed Safe. That is correct and it is the whole argument of this page: a machine that transmutes matter to order is trivially contained, because it is a large clockwork device in a room that does nothing whatsoever until somebody turns the knob.

  • SCP Foundation · SCP-914 · stated

    Refines any input into an output selected by a five-position dial.

  • SCP Foundation · SCP-914 test log · shown

    A documented series of inputs and their transformed outputs.

04––·

SCP-106Keter — series I

Series Inovel

It passes through solid matter, corrodes what it touches, and takes people into a space of its own that they do not come back from. Containment requires an arrangement rather than a wall, which is precisely the condition Keter describes. The effect is also narrow — enormously difficult to hold, and one thing done to one person at a time.

  • SCP Foundation · SCP-106 · stated

    Passes through solid matter and removes victims to a separate space.

Tier 02 · the greats

Reliably lethal, reliably contained

The famous ones. Each kills efficiently under conditions the Foundation understands well enough to write down, which is exactly why their containment is routine and their class is mid-range.

05––·

SCP-096Euclid — series I

Series Inovel

Seeing its face — in person, in a photograph, in a frame of film — starts a pursuit that ends in the viewer's death regardless of distance or obstacle. The trigger is what makes the class Euclid rather than Keter: the containment problem is a documented condition with a documented remedy, which is do not let anybody look. An effect this reliable and this easy to state is a management problem, not an unsolved one.

  • SCP Foundation · SCP-096 · stated

    Pursues and kills anyone who views its face, by any means of viewing.

06––·

SCP-049Euclid — series I

Series Inovel

It believes it is treating a disease nobody else can detect, and the treatment kills the patient and reanimates the body. What earns the placement is not force but conviction plus contact: the effect requires touch and produces a compliant result every time. Lethal at arm's length, and a scheduling problem at any distance greater than that.

  • SCP Foundation · SCP-049 · stated

    Its touch kills, and the body is subsequently reanimated.

07––·

SCP-173Euclid — series I

Series Inovel

The first article the site ever published, and the reason the format looks the way it does. It moves only when unobserved and kills by breaking the neck, so containment is a rota of people not blinking at the same time. It is seventh here and it is the most famous object in the setting, which is a gap worth noticing: influence and capability are different quantities, and this page can only rank one of them.

  • SCP Foundation · SCP-173 · stated

    Moves only when unobserved and kills by cervical fracture.

Tier 03 · where the class stops meaning anything

Filed Safe, and not small

Where the bracket and the record come apart most visibly. Nothing here is dangerous in the way the class ladder is usually read to imply.

08––·

SCP-999Safe — series I

Series Inovel

An orange gelatinous mass that induces happiness on contact and has been documented easing psychological damage in personnel. It assists during containment breaches. It shares a class with the transmutation engine ranked third, and the two of them together are the clearest demonstration available that the bracket is a statement about boxes: both are easy to keep, and they have nothing else whatsoever in common.

  • SCP Foundation · SCP-999 · stated

    Induces euphoria on contact and has alleviated trauma in personnel.

Nothing in that filter. Try Everything.