rigging

rigging is a skill for Claude Code from MonumentalSystems/Atlas-Agent-Teams. It costs 13 tokens per session (1,649 once invoked), scanned A, original, MIT.

A reference skill for rigging, the process of creating a joint skeleton and animation controls for a 3D model.

In plain words
What is it for?
Use it when setting up skeletons, joint hierarchies, anatomical placement, naming, proportions, or inverse- and forward-kinematics controls.
Why use it?
It helps the agent reason about joint placement, hierarchy, movement, and model deformation using consistent concepts.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the 3d-design plugin — 9 skills, 2 commands, 7 agents, 1 hook, 7 MCP servers shipped together

Good fit Use it when setting up skeletons, joint hierarchies, anatomical placement, naming, proportions, or inverse- and forward-kinematics controls.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/monumentalsystems/atlas-agent-teams/rigging
Install

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.

Any agent
npx skills add MonumentalSystems/Atlas-Agent-Teams --skill rigging
Clone the repo
git clone --depth 1 https://github.com/MonumentalSystems/Atlas-Agent-Teams

Made for: Claude Code.

Or install 3d-design, the plugin that ships this one along with the rest of its 9 skills, 2 commands, 7 agents, 1 hook, 7 MCP servers.

Wrote 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.

agentmods badge for rigging

README.md
[![agentmods](https://agentmods.dev/badge/skills/monumentalsystems/atlas-agent-teams/rigging/github.svg)](https://agentmods.dev/skills/monumentalsystems/atlas-agent-teams/rigging)
Your own site
<a href="https://agentmods.dev/skills/monumentalsystems/atlas-agent-teams/rigging"><img src="https://agentmods.dev/badge/skills/monumentalsystems/atlas-agent-teams/rigging/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.

agentmods 80×15 button for rigging

Your own site · 80×15
<a href="https://agentmods.dev/skills/monumentalsystems/atlas-agent-teams/rigging"><img src="https://agentmods.dev/badge/skills/monumentalsystems/atlas-agent-teams/rigging.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,649 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00013 $0.01649
Opus 5 $0.00006 $0.00825
Sonnet 5 $0.00003 $0.00330
Haiku 4.5 $0.00001 $0.00165

Measured 9d ago against content hash 9ac9e7b006a8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

rigging 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 9d 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.

teams/3d-design/skills/rigging/SKILL.md · 176 lines

How it starts

The opening of the file, as written. The whole thing — 176 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Rigging

Skeleton and Joint Hierarchy

Joint Placement

  • Anatomical Accuracy: Place joints following anatomical structure
  • Deformation Considerations: Position joints for optimal deformation
  • Joint Orientation: Orient joints for proper rotation axes
  • Joint Hierarchy: Create logical parent-child relationships
  • Naming Conventions: Use consistent, descriptive joint names
  • Scale and Proportions: Maintain proper scale and proportions

Joint Types

  • Ball Joints: 3 degrees of freedom (shoulder, hip)
  • Hinge Joints: 1 degree of freedom (elbow, knee)
  • Universal Joints: 2 degrees of freedom (wrist, ankle)
  • Root Joint: Base of the skeleton hierarchy
  • End Joints: End of joint chains (fingertips, toes)

Joint Hierarchy

  • Root: Top of the hierarchy (hips, pelvis)
  • Spine: Spine joints from pelvis to neck
  • Limbs: Arms and legs with shoulder/elbow/hand and hip/knee/foot
  • Head: Head and facial joints
  • Fingers: Finger joints for detailed hand animation
  • Toes: Toe joints for detailed foot animation

IK and FK Controls

Inverse Kinematics (IK)

  • IK Solvers: Calculate joint positions from end effector
  • IK Handles: Controls for IK chains
  • Pole Vectors: Control IK chain orientation
  • IK/FK Blending: Switch between IK and FK
  • IK Constraints: Limit IK movement
  • IK Applications: Legs, arms, spine, fingers

Forward Kinematics (FK)

  • FK Controls: Rotate joints directly
  • FK Chains: Parent-child joint relationships
  • FK Applications: Spine, fingers, toes, tail
  • FK Advantages: Intuitive, predictable, easy to animate
  • FK Disadvantages: Time-consuming for complex poses

IK/FK Switching

  • Blend Controls: Switch between IK and FK
  • Match IK to FK: Match IK pose to FK pose
  • Match FK to IK: Match FK pose to IK pose
  • Seamless Transitions: Smooth switching between modes
  • Animation Considerations: Plan IK/FK usage in animation

Read the full file on GitHub · 176 lines

Changes

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.

  1. 9d ago First seen · 176 lines · 13 tokens per session scan A 9ac9e7b006a8

Subscribe to this mod's changes

rigging is a skill published in the GitHub repository MonumentalSystems/Atlas-Agent-Teams (21 stars, last pushed 28d ago), licensed MIT. It adds 13 tokens to every session and 1,649 once invoked, about $0.0001 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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