Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add arjun988/blender-skills --skill cloth-simgit clone --depth 1 https://github.com/arjun988/blender-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/arjun988/blender-skills/cloth-sim)<a href="https://agentmods.dev/skills/arjun988/blender-skills/cloth-sim"><img src="https://agentmods.dev/badge/skills/arjun988/blender-skills/cloth-sim/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/arjun988/blender-skills/cloth-sim"><img src="https://agentmods.dev/badge/skills/arjun988/blender-skills/cloth-sim.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00031 | $0.00643 |
| Opus 5 | $0.00015 | $0.00321 |
| Sonnet 5 | $0.00006 | $0.00129 |
| Haiku 4.5 | $0.00003 | $0.00064 |
Grade A, and why
cloth-sim scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Cloth Sim
Garment blockout → sim → art-direct → bake. Stable pins. Engine-friendly caches/shape keys.
When to Use
- Dresses, capes, coats, flags, banners
- Character clothing that needs drape
- Baking sim to shape keys or Alembic/USD caches
- Pre-roll settling before animation export
Workflow
Garment mesh (quad-friendly) → Vertex groups (pin/collide)
→ Cloth modifier settings → Collision objects
→ Pre-roll settle → Sim pass → Art-direct fixes
→ Bake shape keys / cache → Cleanup → Export
Mesh Prep
- Quads preferred; even density on deforming areas
- Avoid long skinny triangles on folds
- Apply scale before sim
- Separate garment from body collider
Vertex Groups
| Group | Purpose |
|---|---|
PIN_Cloth |
Anchors (waist, shoulders, collar) |
COL_Ignore |
Optional non-colliding regions |
STIFF_High |
Belts, seams that should resist stretch |
Settings Starters
| Look | Quality | Speed | Bending |
|---|---|---|---|
| Soft dress | 8–12 | 1.0 | Low |
| Stiff coat | 5–8 | 1.0 | Higher |
| Flag/cape | 8–10 | 1.0–1.5 | Low–mid |
Tune mass and air viscosity for scale. Always run a settle pre-roll.
Bake Targets
| Target | Use |
|---|---|
| Shape keys | Game poses / few frames |
| Alembic/USD | Cinematic caches |
| Armature weights | If converting to deform-only |
Constraints
MUST DO
- Apply scale; define pin groups before long sims
- Collide against simplified body capsule/mesh
- Art-direct after sim (sculpt/corrective keys)
MUST NOT DO
- Sim hero cloth on ultra-dense sculpt meshes
- Skip pre-roll (starts mid-air / exploding)
- Export raw unstable caches
Reference Guide
| Topic | Reference | Load When |
|---|---|---|
| Cloth Settings Presets | references/cloth-settings-presets.md |
When needed |
| Pin And Collide | references/pin-and-collide.md |
When needed |
| Bake Targets | references/bake-targets.md |
When needed |
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 86 lines · 31 tokens per session scan A adc458f300a7
cloth-sim is a skill published in the GitHub repository arjun988/blender-skills (179 stars, last pushed 2mo ago), licensed MIT. It adds 31 tokens to every session and 643 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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