Bind buttons by purpose, not just spell.
Muscle Memory keeps your action bars consistent across every character. Capture your setup into reusable layers, then put the right spell, item, macro, mount, or equipment set back into each slot on any character — with one click.
A slot can also point to a smart action instead of a fixed spell. Bind a button to Interrupt, Taunt, or Bloodlust, and every character gets whatever ability it actually has for the job. One binding, every class.
⚠️ Early development: things mostly work, but bugs can occur. Please report issues on GitHub — attaching a debug report (About tab) makes them reproducible.
- Set up your bars once. Snapshot your live bars into layers and apply them on any character — no rebuilding the same layout on every alt.
- Slots that follow your class. Build your own smart actions that resolve to whatever ability each character actually has — plus built-ins for the staples like Bloodlust, Interrupt, and Battle Rez.
- Real macros when you need them. Render a smart action as a macro for mouseover, focus,
modifier, and conditional casts (
/use [@mouseover,help][@focus] %name%); Muscle Memory writes and maintains the per-character macro for you. - Your macros travel with you. A bound character macro is recreated on any character that doesn't have it yet, and keeps matching by name after you edit its body.
- Suggestions while you bind. Drop Kick onto a slot and Muscle Memory offers to bind Interrupt instead, so the slot keeps working on every character (configurable: never / suggest / automatic).
- Everything that lives on a bar. Spells, items, macros, mounts, toys, battle pets, flyouts, and equipment sets.
- No surprises. Preview shows what Apply would change first, and Apply is blocked in combat or with something on the cursor — it waits rather than half-applying.
- Undo your slips. Every configuration change — a deleted layer, a mis-assigned slot, a whole import — reverts step by step, and the window jumps to what changed.
- Scriptable. A public API lets macros and other add-ons drive everything in the window 😉
- Separate setups. Profiles keep independent configurations you can switch at once — an account-wide default, or a dedicated one per character.
- Share your setup. Export layers, smart actions, or whole profiles as a copyable string; imports preview what's inside and always create new entries, never overwrite yours.
Most bar-saving addons store one monolithic snapshot and stamp the whole thing back down. Muscle Memory never applies a full bar in one piece. A profile is an ordered stack of layers, each owning only the slots it cares about. For every slot, Apply takes the first layer with something to say — so higher layers win and lower ones fill in the rest.
That ordering makes layers composable:
- Put a specific layer on top — a class/spec overlay or one character's tweaks — and it overrides the shared layers beneath without touching them.
- Keep a shared base layer underneath for the buttons every character has in the same place. Edit it once and everyone who doesn't override that slot updates.
- Scope any layer with conditions so it only applies to the characters it's meant for.
- Drop smart-action slots into any layer, so one button resolves per character without forking the layer.
A smart action is a named stand-in for an ability — Interrupt, Bloodlust, Taunt — rather than a fixed spell. Behind the name is an ordered list of candidates, and each character resolves to the first one it can actually use, checking class, spec, known spells, owned items, profession, and level. One slot becomes Pummel on your Warrior, Mind Freeze on your Death Knight, and Counterspell on your Mage.
Built-ins cover Bloodlust, Interrupt, Stun, Hard CC, Soft CC, Battle Rez, Taunt, Movement, and the racials whose spell differs by class (Blood Elf: Arcane Torrent, Orc: Blood Fury, Draenei: Gift of the Naaru) — and you can build your own:
- Mix anything castable. Candidates can blend spells, items, toys, and mounts — so Bloodlust resolves through each class's own version (Bloodlust, Heroism, Time Warp, Fury of the Aspects) and then to War Drums for the classes that have none. Every character brings the haste.
- Order is priority. Candidates are tried top to bottom, so you decide what wins.
- Render as a macro. Keep conditional logic (
[@focus,harm][], modifiers, mouseover) while%name%resolves per character. The built-in Interrupt ships this way — it hits your focus, falling back to your current target.
Muscle Memory writes and maintains the real per-character macro for you — edit the smart action and the macro follows:
- Type
/mmto open the window. - Click a faded slot to capture whatever is on that action bar button.
- Switch character, then press Apply (or run
/mm apply) to restore the layer.
The window and its chat output follow your WoW client language. Any other locale runs in English.
- English
- Deutsch
- Français
The slash commands cover the daily essentials:
/mm— open the window/mm preview— show what Apply would change, without touching your bars/mm apply— restore your bars from the active profile
Everything else — profiles, layers, smart actions, settings — is managed in the window, or
programmatically through the public API: the global MuscleMemory exposes it all to macros and
other add-ons (e.g. /run MuscleMemory.layers.captureAll("healing")). Explore it with
/dump MuscleMemory; API.lua documents every function and the data shapes.
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Released under the MIT License.