Found this manga about the SCP Foundation name: SCP comic

Oversimplified SCP - MangaDex

scp-999, scp-020-jp, scp-155-jp, scp-150-jp, and scp-101-jp (scp foundation) drawn by shinikake

SCP {The SCP That United Them All} - 1- SCP-GU411 - Wattpad

LN Review: SCP Foundation: Iris Through the Looking Glass, Vol. 1 – Jaesthetics

Read Containment System: Build The Scp Foundation And Contain The World! - Fatecreator - WebNovel

scp-049 (scp foundation) drawn by jammy404

Oversimplified SCP manga - SCP-????: Oversimplified SCP - Wattpad

Just found out S.Korea has a series of children's manhwa based on SCP Foundation. First published in March 2022 : r/SCP

SCP-7015 - SCP Foundation

SCP Foundation

Comicalize]Epitaph - SCP Foundation

Scp Foundation - MangaDex