In: AI / ML.

Danbooru

The ideal order for tags: < 1girl/1boy/1other/female/male/… >, < character >, < series >, < artist (s) >, < general tags >, < other tags >, < quality & aesthetic tags >

Danbooru tags index:
https://betterwaifu.com/blog/danbooru-tags-ai
Safebooru tags index:
https://safebooru.donmai.us/wiki_pages/tag_groups

Danbooru quality tags

masterpiece > best quality > high quality / good quality > normal quality > low quality / bad quality > worst quality

amazing quality -> best quality -> high quality -> normal quality -> low quality -> worst quality

Danbooru safety/rating tags

general / safe > suggestive/ sensitive > explicit / nsfw / censored

Body tags

Postures:
https://rentry.org/corneo_posture
https://safebooru.donmai.us/wiki_pages/tag_group%3Aposture
Facial expressions/ face tags:
https://rentry.org/corneo_facial_expressions
https://safebooru.donmai.us/wiki_pages/tag_group%3Aface_tags

Body parts:
https://rentry.org/corneo_body_parts -- nsfw
Eyes:
https://rentry.org/corneo_eyes
Breasts size & shape:
https://rentry.org/corneo_breasts
Wings size & shape:
https://rentry.org/corneo_wings
Tails:
https://rentry.org/corneo_tails

Hair tags

Hair colors:
https://rentry.org/corneo_hair_colors
Hair styles:
https://rentry.org/corneo_hairstyles

Clothing

Headwear:
https://rentry.org/corneo_headwear
Neckwear:
https://rentry.org/corneo_neckwear
Topwear:
https://rentry.org/corneo_topwear
Dresses:
https://rentry.org/corneo_dresses
Sleeves:
https://rentry.org/corneo_sleeves
Bodysuits:
https://rentry.org/corneo_swimsuits
Full body outfits:
https://rentry.org/corneo_full_body_outfits
Bottomwear:
https://rentry.org/corneo_bottomwear
Footwear:
https://rentry.org/corneo_footwear
Sexual attire:
https://rentry.org/corneo_sexual_attire

Composition

Focus on:
https://rentry.org/corneo_focus
face, upper body, lower body, full body, wide shot, etc

Format:
https://rentry.org/corneo_format
comic, manga, photo, papercraft, postcard, pixel art,

Styles & techniques:
https://rentry.org/corneo_styles_techniques
art nouveau, impressionism, chiaroscuro, realistic, sketch, surreal, depth of field, drop shadow,
lens flare, bokeh

View angle:
https://rentry.org/corneo_view_angle
use/mix after quality tags at beginning of prompt:

from above,
from below,
from behind,
upper body,
close-up,
portrait,
POV,
birds-eye,
wide shot,
isometric,
viewfinder,
(+ view, depending)

Locations:
https://rentry.org/corneo_locations
https://danbooru.donmai.us/wiki_pages/tag_group%3Alocations
bathroom, bedroom, livingroom,
library, bookstore, flower shop, office, classroom, school,
street, mall, gym, hospital, pharmacy,
cafeteria, bar, tavern, restaurant, cafe,
bus interior, train interior, car interior, etc.

Lighting

after angle tags, beginning or very end of prompt:

cinematic light,
hollywood lighting,
backlighting,
rim lighting,
soft lighting,
harsh lighting,
dramatic light,
film-style contrast,
soft shadows,
harsh shadows,

General positive/ quality tags

NoobAI, Illustrious:
very awa, masterpiece, perfect quality, best quality, newest, highres, absurdres,
Pony:
score_9, score_8_up, score_7_up, score_6_up, derpibooru_p_95,

General negative tags

NoobAI, Illustrious:
(bad), worst aesthetic, worst quality, low quality, bad quality, lowres, scan artifacts, jpeg artifacts, ai-generated, abstract, 2koma, 4koma, error, unfinished, unclear, old

text tags:
watermark, logo, signature, text, dated, username, patreon

anatomical tags:
bad hands, bad feet, extra digits, fewer digits, extra arms, mutated hands, extra faces, multiple heads, missing limb, distorted anatomy, bad anatomy

for color art:
greyscale, monochrome, sketch

Pony negative:
score_6, score_5, score_4, derpibooru_p_low, lowres, bad anatomy, bad hands, text, cropped, worst quality, low quality, jpeg artifacts, signature, watermark, username, blurry, artist name, mosaic censoring, twitter username, logo, limited palette, monochrome, (blurred poorly drawn eyes), (out of frame), (bad quality eyes), (asymmetric eyes), long neck, elongated neck, blurred eyes, undetailed eyes, ugly face, blurred, grainy, cut off, oversharpened, sign, amateur, extra limbs, dull colours, boring, lacklustre, bad art, text, abominations, more than 2 legs, more than 2 hand, fused hands, bad proportions,colorless, glitch, bad face, distorted face, messed up eyes, deformed, extra limb, extra finger, bad hands, broken finger,

Moderated words in Midjourney

Banned: Gore

A gore image is any picture of a deformed body, a limb that has been cut off, blood, violence, a human or animal body part that has fallen off, cannibalism, disease, etc.

blood, bloodbath, bloodshot, bloody, bruises, cannibal, cannibalism, car crash, corpse, cronenberg, crucified, crucifixion, cutting, decapitate, female body parts, flesh, gory, gruesome, guts, hemoglobin, infected, infested, khorne, kill (as in Kill la Kill), killing, massacre, sadist, slaughter, suicide, surgery, teratoma, tryphophobia, visceral, vivisection, wound

Banned: Adult

ahegao, pinup, ballgag, playboy, bimbo, pleasure, bodily fluids, pleasures, boudoir, rule34, brothel, seducing, dominatrix, seductive, erotic, fuck, sensual, hardcore, sexy, hentai, shag, horny, shibari (bondage in Japanese), incest, smut, jav, succubus, jerk off, thot, kinbaku (bondage in Japanese), transparent, submissive, dominant, nasty, indecent, legs spread, cussing, flashy, twerk, making love, voluptuous, naughty, wincest, orgy, sultry, XXX, bondage, BDSM, dog collar, slavegirl, transparent and translucent

Banned: Body Parts

arse, labia, ass, mammaries, human centipede, badonkers, minge (slang for vagina), Massive chests, Big Ass, Mommy Milker (milker or mommy is fine), booba, nipple, booty, oppai (Japanese word for breasts), Bosom, Melons (in bad sense), Bulging, Coochie, Head (in vulgar sense), engorged, organs, breasts, ovaries, busty, penis, clunge (british slang for vagina), phallus, crotch, sexy female, dick (as in Moby-Dick), skimpy, girth, thick, honkers, vagina, hooters, veiny, knob, seductress, shaft

Banned: Clothing

no clothes, speedo, au naturale, no shirt, bare chest, nude, barely dressed, bra, risqué, clear, scantily, clad, cleavage, stripped, full frontal unclothed, invisible clothes, wearing nothing, lingerie with no shirt, naked, without clothes on, negligee, zero clothes

Banned: Taboo

taboo, fascist, nazi, prophet mohammed, slave, coon, honkey, arrested, jail, handcuffs

Banned: Drugs

drugs, cocaine, heroin, meth, crack

More words that you should not use in Midjourney

1488, big black, brown pudding, bunghole, censored, deepfake, disturbing, errect, farts, fart, hot, inappropriate, mp5, pleasure, plebeian, poop, pus, seductive, sensored, sexy, shit, silenced, sperm, succubus, surgery, torture, uncouth, voluptuous, vomit, waifu, warts, Xi Jinping