SCP-001-2 (Clef's Proposal), SCP Database Wiki

SCP-001-2 is a colossal flaming sword used by the Gate Guardian. This sword instantly annihilates all who attempt to approach or harm the Gate to Eden or its Guardian, and has a massive range due to its capability to destroy the Nautilus in the Indian Ocean when it fired an ICBM at the Guardian. Entry Page: 001 - Dr. Clef's Proposal Entry Page: 001 - djkaktus's Proposal III

SCP-033, SCP-Readings Wiki

SCP Foundation

Gate Guardian, Heroes Wiki

Dr Clef's Proposal - SCP Foundation

Is the Gate Guardian the real SCP-001, or is it one of the proposals? - Quora

SCP-001 (Dr.Clef's Proposal), Wiki

SCP-001 (Dr.Clef's Proposal), Fiction Taxonomy Wiki

SCP-001 The Gate Guardian : r/SCP

SCP-5935, Heroes Wiki

SCP 001 - Dr. Mackenzie's Proposal - The Legacy, SCP Foundation Wiki