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Universal Modder pour Baldur's Gate 3

Baldur's Gate 3 compte parmi les notes de terrain les plus fouillées de la base de connaissances. Elles vont au-delà du nouveau contenu et couvrent le travail ingrat qui occupe vraiment les moddeurs : gérer à la main un ordre de chargement de 500 mods, trouver le seul PNJ défectueux qui bloque l’acte 2 et corriger la compatibilité entre mods.

Mis à jour 2026-10-05

Notes de terrain6
Fonctionnel / publié6
MoteurMaison / inconnu
ApprocheMod de données, Remplacement d’assets, Autre

Comment Universal Modder aborde Baldur's Gate 3

Les mods de BG3 portent sur les données et les assets : fichiers de stats, scripts Osiris et paquets .pak, avec un aller-retour Blender GR2 pour les maillages. L’agent travaille avec modsettings.lsx et les abonnements mod.io, et procède par bissection des paks quand quelque chose casse.

Loader / outilÀ quoi il sert
Gestionnaire de mods officiel / mod.ioPrise en charge des mods directement dans le jeu, pour beaucoup d’entre eux.
Script Extender + mods pakPour des changements plus profonds que ce que permet le gestionnaire du jeu.

Outils utilisés par les agents : Blender 3.6 LTS + niftools addon 0.1.1 (NIF import) · Blender 4.0.2 + Norbyte dos2de_collada_exporter · LSLib Divine 1.20.4 (convert-model, glTF and DAE) · Blender Weapon Templates (Nexus 11600) · texconv · Python (glTF and lsx edits) · LSLib Divine 1.20.4 · Script Extender v32 (logs only) · Python minidump parser · capstone · EasyCheat (teleport for tests) · PowerShell + bash generator pipeline · AV Item Shipment Framework (ISF) · Script Extender (Lua handler) · Nexus Mods GraphQL API (mod descriptions) · LSLib Divine 1.18.7 / 1.20.4

Versions qui ont fonctionné : Patch 7 era (Apr 2026) and Patch 8 hotfix (Aug 2026), Steam, Windows | Patch 8 hotfix, Steam, bg3_dx11.exe file version 4.73.98.727 (DX11); ~520 mods | Patch 8 / Patch 8 hotfix (Jun-Sep 2026), Steam, Windows; Script Extender v32

Lire le playbook du moteur sur GitHub →

Lancer une session Baldur's Gate 3

terminal
um kb search "Baldur's Gate 3"
um scan "Baldur's Gate 3"
prompt
Mon BG3 se bloque à 50 % au chargement de l’acte 2 avec 400 mods. Trouve le mod responsable sans casser ma sauvegarde.

Notes de terrain sur Baldur's Gate 3 (6)

Les résumés et les pièges sont cités en anglais depuis la base de connaissances de universal-modder (licence MIT). Chacun renvoie à la note complète.

fonctionneRemplacement d’assets

Weapons: porting a Skyrim dagger and scabbard, fixing a modded sword's sheath height with a Dummy_Sheath bone, and visible stowed shields for modded shields

Three weapon jobs in one personal mod. (1) The dagger and scabbard from the Skyrim SE mod "Hravna - Dagger of the North" by Danp (for personal use) became a usable BG3 dagger plus a worn scabbard that sits where the sheathed dagger lands on the hip, with the Bandit belt from wesslen's BG3 mod "Modular Equipment" as its strap. (2) The Deathwyrm longsword…

Versions
Patch 7 era (Apr 2026) and Patch 8 hotfix (Aug 2026), Steam, Windows
Anti-triche
none; single-player
Réalisé par
Claude Code (Opus 4.7), Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-05
8 pièges documentés
  • Weapon or scabbard lying flat on the floor, "following the character like a windsock".
  • Scabbard far behind the character, underground.
  • Scabbard on the wrong hip.
  • Scabbard and sheathed blade drift apart when walking.
  • Dagger invisible after conform.
  • Sword invisible after conforming to a vanilla longsword "to borrow one bone".
  • Sword invisible after adding a Dummy_Sheath JOINT in the DAE.
  • Bone moved the hand pose instead of the stowed pose.
Lire la note complète sur GitHub →
fonctionneMod de données

Act 2 never loads (hang at 50% or crash): one modded NPC on a bad level layer, found by bisecting a pak

Going from Act 1 to Act 2 (Grymforge elevator or Mountain Pass) hung the loading screen at 50% forever, or crashed to desktop, on a heavily modded install. Eight static scans of all 524 paks found nothing. The cause was a single character that the Many More Monsters mod places in the Act 2 level `SCL_Main_A` and assigns to the vanilla level layer "Haven…

Versions
Patch 8 hotfix, Steam, bg3_dx11.exe file version 4.73.98.727 (DX11); ~520 mods
Anti-triche
none; single-player save, offline
Réalisé par
Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-04
8 pièges documentés
  • A truncated scan reads as a clean scan.
  • Proximity is not causation.
  • Base rates.
  • Absence inferred from a count.
  • Script Extender logging itself causes stalls.
  • Steam "Verify integrity" removes the Native Mod Loader.
  • Shell traps that cost passes:
  • A mod update can rename its module folder.
Lire la note complète sur GitHub →
fonctionneMod de données

A generated wardrobe mod: 260 clothing mods sorted by race and body type into containers summoned by reusable scrolls

A generator reads ~260 installed clothing, armour and weapon mods, decides for every wearable which race and body-type combinations it actually supports, and writes one mod ("ClothingSorter") whose containers hold only compatible items: per body type (32 containers), per category (melee, ranged, shields, other), per mod and per author. Nothing is spawned…

Versions
Patch 8 / Patch 8 hotfix (Jun-Sep 2026), Steam, Windows; Script Extender v32
Anti-triche
none; single-player
Réalisé par
Claude Code (Fable 5), Claude Code (Opus 4.8), Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-04
8 pièges documentés
  • Truncated names collided.
  • Scrolls became equippable and unusable.
  • Scroll applied Guidance and played its cast effect.
  • Changing UUIDs bricks saves.
  • Items silently missing from the parse (items=0).
  • Mod identity read wrong.
  • Sanitised pak names end in _
  • Controls locked after a big spawn, world still running.
Lire la note complète sur GitHub →
fonctionneRemplacement d’assets

Custom outfits from cloned mod and vanilla meshes: visuals, materials, body masks, cloth, LODs, icons and the Blender GR2 round trip

A personal item mod for Baldur's Gate 3 with about a dozen wearables (dresses, underwear, heels with stockings, a bag worn in the cloak slot, a nightgown with cloth physics, pyjamas cut down from a vanilla camp outfit, a soft-dependency armour) built from pieces of other mods and vanilla meshes, with our own edits made in Blender. Everything is data and…

Versions
Patch 7 era (Apr 2026) to Patch 8 hotfix (Sep 2026), Steam, Windows
Anti-triche
none; single-player
Réalisé par
Claude Code (Opus 4.7), Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-04
8 pièges documentés
  • Underwear rendered nothing, even pointing at vanilla visuals.
  • Edits had no effect.
  • Item exists but is invisible everywhere.
  • Invisible after a re-export.
  • Removed parts still there, some untextured.
  • Cloned dress renders but has no cloth physics.
  • Item disappears at a distance / all LODs draw at once.
  • A garment's own mask hid its own mesh.
Lire la note complète sur GitHub →
fonctionneMod de données

Gameplay and compatibility patches in stats and Osiris: level-gated armour tiers, Extra Attack on a modded cantrip, crit immunity, stacking damage reduction, feats from items, removing equipment glow, a class vs starting-equipment fix

A collection of small, data-only changes to a heavily modded game, split across two of our own mods: an item mod (stats for our own gear) and a patch mod that loads last and overrides entries of other mods. Most were tested in game by the human; the Verification section lists which ones were not reported back. The recurring lesson: copy the exact form of…

Versions
Patch 7 era (Apr 2026) to Patch 8 hotfix (Aug 2026), Steam, Windows
Anti-triche
none; single-player
Réalisé par
Claude Code (Opus 4.7), Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-04
8 pièges documentés
  • Our damage reduction applied but did not stack.
  • "IF(CharacterLevelGreaterThan()) is invalid in Boosts" was wrong.
  • Higher tier gave lower-rank effects at level 3.
  • Armour showed as "Clothing", added Dex to AC.
  • Spell from a usable item could not be cast, auto-deselected.
  • A marker spell kept its parent's status and cast effect
  • Earlier spell lessons (Patch 7):
  • Glow patch blanked visuals of vanilla spells too.
Lire la note complète sur GitHub →
fonctionneAutre

Running a 500+ mod load order by hand: modsettings.lsx rules, recovering a wiped order from a save, mod.io re-subscribes, game-folder files and conflict diagnosis

How a ~530-mod Baldur's Gate 3 install was kept working without a mod manager: what `modsettings.lsx` and `meta.lsx` must look like, how the game identifies a module, how to rebuild a lost load order from a save, why the in-game manager and mod.io kept undoing changes, which files a modded game folder holds, and how two conflicts (photo mode poses gone,…

Versions
Patch 8 / Patch 8 hotfix (Jun-Sep 2026), Steam, Windows; Script Extender v32; ~530 paks
Anti-triche
none; single-player
Réalisé par
Claude Code (Fable 5), Claude Code (Opus 4.8), Claude Code (Opus 5), Claude Code (Opus 5.5)
Date
2026-10-04
8 pièges documentés
  • Whole load order reset to one entry on launch, every time.
  • Load order reset intermittently
  • Read-only modsettings.lsx is a trade-off, not a fix.
  • A removed mod came back after every launch.
  • Photo mode pose list empty.
  • Playing an instrument stopped at once.
  • Steam "Verify integrity" removed the Native Mod Loader
  • A mod got flagged "new" on every save load.
Lire la note complète sur GitHub →

Questions fréquentes

Universal Modder peut-il modder Baldur's Gate 3 ?

Oui. La base de connaissances de Universal Modder contient 6 notes de terrain sur Baldur's Gate 3, et 6 sur 6 sont marquées fonctionnelles ou publiées. Approches utilisées : Mod de données, Remplacement d’assets, Autre.

Quels agents IA ont moddé Baldur's Gate 3 ?

Claude Code. Universal Modder fonctionne de la même façon dans Claude Code, Codex, Cursor, Gemini CLI, Copilot et OpenCode.

Est-il sûr de modder Baldur's Gate 3 avec un agent IA ?

Restez en solo, hors ligne ou sur des serveurs que vous hébergez, sauvegardez d’abord vos parties (l’agent lance um backup) et ne distribuez jamais les fichiers du jeu. Remarques anti-triche notées pour ce jeu : none; single-player; none; single-player save, offline.