updateIKChains
Modify multiple IK chains simultaneously by updating properties such as solver type, influence, and stretch limits for 3D rigs using the 3D-MCP server.
Instructions
Update multiple IKChains in a single operation
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| items | Yes | Array of IKChains to update with their IDs |
Input Schema (JSON Schema)
{
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"items": {
"description": "Array of IKChains to update with their IDs",
"items": {
"additionalProperties": false,
"properties": {
"enabled": {
"default": true,
"description": "Whether IK chain is enabled",
"type": "boolean"
},
"endId": {
"description": "End joint/bone ID",
"type": "string"
},
"ids": {
"description": "IKChain identifiers to update",
"items": {
"type": "string"
},
"type": "array"
},
"influence": {
"default": 1,
"description": "Influence strength",
"maximum": 1,
"minimum": 0,
"type": "number"
},
"iterations": {
"default": 10,
"description": "Solver iteration count",
"exclusiveMinimum": 0,
"type": "integer"
},
"maintainRotation": {
"default": false,
"description": "Whether to maintain end effector rotation",
"type": "boolean"
},
"maxStretchRatio": {
"default": 1.5,
"description": "Maximum stretch ratio",
"minimum": 1,
"type": "number"
},
"metadata": {
"additionalProperties": {},
"description": "Additional tool-specific metadata",
"type": "object"
},
"name": {
"description": "Display name",
"type": "string"
},
"poleAngle": {
"default": 0,
"description": "Rotation around pole vector in degrees",
"type": "number"
},
"poleTargetId": {
"description": "Pole vector target ID (for orientating the chain)",
"type": "string"
},
"solverType": {
"default": "ccd",
"description": "IK solver algorithm",
"enum": [
"ccd",
"fabrik",
"analytic",
"spring"
],
"type": "string"
},
"startId": {
"description": "Start joint/bone ID",
"type": "string"
},
"stretchEnabled": {
"default": false,
"description": "Whether the chain can stretch beyond natural limits",
"type": "boolean"
},
"tolerance": {
"default": 0.001,
"description": "Solver distance tolerance",
"exclusiveMinimum": 0,
"type": "number"
}
},
"required": [
"ids"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
}