Individual skill

scenario-maya-fx

Use when a Maya task involves simulation or procedural effects: nCloth or Nucleus (a cape, skirt, flag or garment on an animated character, cloth through the body, jittery or stretchy cloth), nParticles, Bifrost graphs (Aero smoke, dust puff, mist, fire, liquids, MPM cloth, snow, sand, "Bifrost smoke"), MASH scattering or motion graphics, sim caches (nCache, Alembic, OpenVDB, file_cache, USD) or FX delivered to lighting or a game engine (flipbook sprites).

skills/dcc/maya/scenario-maya-fx/SKILL.md

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Last checked
Nov 9, 2026

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3,689
Repository last updated
Nov 10, 2026
License
MIT

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# Maya FX (Nucleus, Bifrost, MASH, caches)

An expert FX TD fixes scale and inputs before touching a knob, changes few settings one at a time,
never judges a live solve, and proves the result on the cache in numbers (penetration, stretch,
pops, convergence) and in renders from the shot camera. If a sibling skill named here is missing
from your available skills, load it with `skill_get` (Scenario MCP) or ask the user to install it
(https://github.com/scenario-labs/skills#install); unattended, proceed from tool schemas and flag
the gap.

**REQUIRED BACKGROUND:** scenario-maya-expert (execution channel, review loop, 2027 version traps).

**Status (2026-09-24):** Maya 2027 is not installed. The pure-Python layer of
[`scripts/mx_fx.py`](scripts/mx_fx.py) passed offline (`tests/code/maya-fx/test_fx_offline.py`);
every Maya call is **not yet run in Maya**; names marked [verify] are answered by
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