@bottobot/td-mcp
Version:
TouchDesigner MCP Server v2.8.0 - 21 MCP tools, 629 operators with clean parameter data, 69 Python API classes, 14 tutorials, 32 workflow patterns. Includes version system, experimental techniques KB, core tool enhancements, and experimental build support
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{
"id": "math_chop",
"name": "Math CHOP",
"displayName": "Math CHOP",
"category": "CHOP",
"subcategory": "Math",
"version": "Available since TouchDesigner 2018+",
"lastUpdated": "2025-08-07T07:50:03.719Z",
"sourceFile": "C:\\Program Files\\Derivative\\TouchDesigner\\Samples\\Learn\\OfflineHelp\\https.docs.derivative.ca\\Math_CHOP.htm",
"url": "",
"description": "The Math CHOP performs arithmetic operations on channels. The channels of a CHOP can be combined into one channel, and several CHOPs can be combined into one CHOP.",
"summary": "The Math CHOP performs arithmetic operations on channels. The channels of a CHOP can be combined into one channel, and several CHOPs can be combined into one CHOP.",
"details": "",
"usage": "",
"tips": [
"Use the Range page to remap values between different ranges (e.g., 0-1 to -1 to +1).",
"The Combine CHOPs section lets you add, subtract, multiply or average multiple input channels.",
"Set 'Match By' to 'Channel Name' when combining CHOPs with different channel orders.",
"Use Multiply post-operation to scale values quickly."
],
"warnings": [
"When combining channels, mismatched sample rates will be resampled according to the Common page settings."
],
"parameters": [
{
"id": null,
"name": "Channel Pre OP",
"label": "Channel Pre OP",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "Parameter of this operator. See operator description for details.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.712Z",
"rawData": {},
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{
"id": null,
"name": "Off",
"label": "Off",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"allowCustom": false,
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"isArray": false,
"arraySize": 1,
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"description": "off - Don't do anything to the channel. negate - Take the negative value of each sample of the channel. pos - Make negative values of the channel positive (absolute). root - Take the square root of all values in the channel. square - Square all the values in the channel. inverse - Take the inverse (1/x) of all values in the channel.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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{
"id": null,
"name": "Combine Channels",
"label": "Combine Channels",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
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"description": "chanop - - A choice of operations is performed between the channels of an input , for each input. The Nth sample of one channel is combined with the Nth sample of other channels:\n\n off - Don't combine the channels. add - Sum all the channels. sub - Subtract all the channels from the first. mul - Multiply all the channels. div - Divide the first channel by all the rest. avg - Take the average of all the channels. min - Take the minimum value of all the channels. max - Take the maximum value of all the channels. len - Assume the channels are a vector and compute its length.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"order": 0,
"isVisible": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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{
"id": null,
"name": "Combine CHOPs",
"label": "Combine CHOPs",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "chopop - - A menu of operations that is performed between the input CHOPs, combining several CHOPs into one.\n\n off - Don't combine the channels. add - Sum all the channels. sub - Subtract all the channels from the first. mul - Multiply of all the channels. div - Divide the first channel by all the rest. avg - Take the average of all the channels. min - Take the minimum value of all the channels. max - Take the maximum value of all the channels. len - Assume the channels are a vector and compute its length.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"validationErrors": [],
"lastUpdated": "2025-08-07T07:50:03.717Z",
"rawData": {},
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},
{
"id": null,
"name": "Channel Post OP",
"label": "Channel Post OP",
"group": "General",
"page": "",
"type": "float",
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"style": "",
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"isArray": false,
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"description": "postop - - A menu (same as Channel Pre ) is performed as the finale stage upon the channels resulting from the above operations.\n\n off - negate - pos - root - square - inverse -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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"id": null,
"name": "Match by",
"label": "Match by",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
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"allowCustom": false,
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"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "match - - Match channels between inputs by name or index.\n\n index - name -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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{
"id": null,
"name": "Channel Number",
"label": "Channel Number",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"description": "index - name -",
"tooltip": "",
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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},
{
"id": null,
"name": "Align",
"label": "Align",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "This menu handles cases where multiple input CHOPs have different start or end times.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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{
"id": null,
"name": "Automatic",
"label": "Automatic",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
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"arraySize": 1,
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"description": "Automatic parameter.",
"tooltip": "",
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},
{
"id": null,
"name": "Interp Pars per Sample",
"label": "Interp Pars per Sample",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
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"allowCustom": false,
"maxLength": null,
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"isArray": false,
"arraySize": 1,
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"description": "interppars - Use this option when the input is a higher frequency than the timeline (example: audio). It will avoid any pops or crackles in the output when adjusting the multiply, add or range parameters.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
"isPython": false,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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},
{
"id": null,
"name": "Integer",
"label": "Integer",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
"maxValue": null,
"step": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "integer - - The resulting values can be converted to integer.\n\n off - Don't affect the value. ceiling - Round a value up to the next integer. floor - Round a value down to the next integer. round - Round a value to the nearest integer.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"order": 0,
"isVisible": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.717Z",
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{
"id": null,
"name": "Pre-Add",
"label": "Pre-Add",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"step": null,
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"maxLength": null,
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"arraySize": 1,
"dimensions": 1,
"description": "preoff - First, add the value to each sample of each channel.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"lastUpdated": "2025-08-07T07:50:03.718Z",
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{
"id": null,
"name": "Multiply",
"label": "Multiply",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"maxLength": null,
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"dimensions": 1,
"description": "gain - Then multiply by this value.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.718Z",
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{
"id": null,
"name": "Post-Add",
"label": "Post-Add",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
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"description": "postoff - Then add this value.",
"tooltip": "",
"help": "",
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"lastUpdated": "2025-08-07T07:50:03.718Z",
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{
"id": null,
"name": "From Range",
"label": "From Range",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
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"description": "fromrange - - Another way to multiply/add. Converts from one low-high range to another range.\n\nfromrange1 -fromrange2 -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
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"isValid": true,
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{
"id": null,
"name": "To Range",
"label": "To Range",
"group": "General",
"page": "",
"type": "float",
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"arraySize": 1,
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"description": "torange - - Another way to multiply/add. Converts from one low-high range to another range.\n\ntorange1 -torange2 -",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"lastUpdated": "2025-08-07T07:50:03.718Z",
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},
{
"id": null,
"name": "Time Slice",
"label": "Time Slice",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
"minValue": null,
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"arraySize": 1,
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"description": "timeslice - Turning this on forces the channels to be \"Time Sliced\". A is the time between the last cook frame and the current cook frame.",
"tooltip": "",
"help": "",
"units": "",
"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
"isAnimatable": true,
"isExpression": false,
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"isVisible": true,
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"isValid": true,
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"lastUpdated": "2025-08-07T07:50:03.718Z",
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},
{
"id": null,
"name": "Scope",
"label": "Scope",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
"defaultValue": null,
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"allowCustom": false,
"maxLength": null,
"pattern": null,
"isArray": false,
"arraySize": 1,
"dimensions": 1,
"description": "scope - To determine which channels get affected, some CHOPs use a string on the Common page. See Pattern Matching.",
"tooltip": "",
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"examples": [],
"isReadOnly": false,
"isAdvanced": false,
"isHidden": false,
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{
"id": null,
"name": "Sample Rate Match",
"label": "Sample Rate Match",
"group": "General",
"page": "",
"type": "float",
"dataType": "number",
"style": "",
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"description": "srselect - - Handle cases where multiple input CHOPs' sample rates are different. When Resampling occurs, the curves are interpolated according to the Interpolation Method Option, or \"Linear\" if the Interpolate Options are not available.\n\n first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.",
"tooltip": "",
"help": "",
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"examples": [],
"isReadOnly": false,
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{
"id": null,
"name": "Resample At First Input's Rate",
"label": "Resample At First Input's Rate",
"group": "General",
"page": "",
"type": "float",
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"description": "first - Use rate of first input to resample others. max - Resample to the highest sample rate. min - Resample to the lowest sample rate. err - Doesn't accept conflicting sample rates.",
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"description": "exporttable - The used to hold the export information when using the Table Methods (See above).",
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{
"title": "Configure Math CHOP Range Mapping",
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}
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