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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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{
"name": "Trail POP",
"id": "trail_pop",
"category": "POP",
"subcategory": "Experimental",
"description": "The Trail POP captures and retains all the points of the input for the most recent N frames or N \"slices\", being a time-history of the input's points. It then optionally creates primitives that connects the points in various ways.",
"parameters": [
{
"name": "Id",
"label": "Active",
"description": "Configure Active for the operator",
"type": "menu",
"options": [
{
"label": "S",
"value": "seconds",
"description": ""
},
{
"label": "F",
"value": "frames",
"description": ""
},
{
"label": "S",
"value": "seconds",
"description": ""
},
{
"label": "F",
"value": "frames",
"description": ""
},
{
"label": "None",
"value": "none",
"description": ""
},
{
"label": "Seconds",
"value": "seconds",
"description": ""
},
{
"label": "Frames",
"value": "frames",
"description": ""
},
{
"label": "4 bits UInt (max 16)",
"value": "uint4",
"description": ""
},
{
"label": "8 bits UInt (max 256)",
"value": "uint8",
"description": ""
},
{
"label": "12 bits UInt (max 4096)",
"value": "uint12",
"description": ""
},
{
"label": "16 bits UInt (max 65,536)",
"value": "uint16",
"description": ""
},
{
"label": "20 bits UInt (max 1 M)",
"value": "uint20",
"description": ""
},
{
"label": "24 bits UInt (max 16 M)",
"value": "uint24",
"description": ""
},
{
"label": "28 bits UInt (max 268 M)",
"value": "uint28",
"description": ""
},
{
"label": "32 bits UInt (max 4 B)",
"value": "uint32",
"description": ""
},
{
"label": "None",
"value": "none",
"description": ""
},
{
"label": "Point Prims",
"value": "points",
"description": ""
},
{
"label": "Rows",
"value": "rows",
"description": ""
},
{
"label": "Columns",
"value": "cols",
"description": ""
},
{
"label": "Rows and Columns",
"value": "rowcol",
"description": ""
},
{
"label": "Triangles",
"value": "triangles",
"description": ""
},
{
"label": "Alternating Triangles",
"value": "alttriangles",
"description": ""
},
{
"label": "Quadrilaterals",
"value": "quads",
"description": ""
},
{
"label": "Translate",
"value": "tx",
"description": ""
},
{
"label": "Translate",
"value": "ty",
"description": ""
},
{
"label": "Translate",
"value": "tz",
"description": ""
},
{
"label": "Rotate",
"value": "rx",
"description": ""
},
{
"label": "Rotate",
"value": "ry",
"description": ""
},
{
"label": "Rotate",
"value": "rz",
"description": ""
},
{
"label": "sRGB",
"value": "srgb",
"description": "sRGB color space, with sRGB transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "sRGB - Linear",
"value": "srgblinear",
"description": "Linear srgblinear - sRGB color space, with linear transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.601 (NTSC)",
"value": "rec601ntsc",
"description": "Rec.601 with NTSC primaries color space, with Rec.601 transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.709",
"value": "rec709",
"description": "Rec.709 color space, with Rec.709 (same as Rec.2020) transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.2020",
"value": "rec2020",
"description": "Rec.2020 color space, with Rec.2020 (same as Rec.709) transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3",
"value": "dcip3",
"description": "P3 dcip3 - DCI-P3 color space, with D65 white point and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3 (D60)",
"value": "dcip3d60",
"description": "P3 (D60) dcip3d60 - DCI-P3 \"D60 sim\" color space, with D60 white point, and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Display-P3 (D65)",
"value": "displayp3d65",
"description": "P3 (D65) displayp3d65 - Display-P3 color space, with D65 white point, and sRGB gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACES2065-1",
"value": "aces2065-1",
"description": "1 aces2065-1 - ACES 2065-1 (also known as ACES AP0) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACEScg",
"value": "acescg",
"description": "ACEScg (also known as ACES AP1) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Passthrough",
"value": "passthrough",
"description": "When selected, the color values will be used as-is in the operation, without any modification or attempt to convert them into the Working Color Space."
},
{
"label": "Default For Color Space",
"value": "default",
"description": "Will use either the SDR or the HDR Reference White, based on the color space selected."
},
{
"label": "Standard (SDR)",
"value": "sdr",
"description": "Will treat the Parameter Color Space as SDR for it's reference white value."
},
{
"label": "High (HDR)",
"value": "hdr",
"description": "Will treat the Parameter Color Space as HDR for it's reference white value."
}
]
},
{
"name": "active",
"label": "Active",
"description": "Configure Active for the operator",
"type": "string"
},
{
"name": "alwayscook",
"label": "Always Cook",
"description": "Configure Always Cook for the operator",
"type": "string"
},
{
"name": "length",
"label": "Trail Length",
"description": "Configure Trail Length for the operator",
"type": "string"
},
{
"name": "lengthunit",
"label": "Trail Length Unit",
"description": "Configure Trail Length Unit for the operator",
"type": "menu",
"options": [
{
"label": "S",
"value": "seconds",
"description": ""
},
{
"label": "F",
"value": "frames",
"description": ""
}
]
},
{
"name": "seconds",
"label": "S",
"description": "Configure S for the operator",
"type": "menu",
"options": [
{
"label": "S",
"value": "seconds",
"description": ""
},
{
"label": "F",
"value": "frames",
"description": ""
}
]
},
{
"name": "inc",
"label": "Trail Increment",
"description": "Configure Trail Increment for the operator",
"type": "string"
},
{
"name": "incunit",
"label": "Trail Increment Unit",
"description": "Configure Trail Increment Unit for the operator",
"type": "menu",
"options": [
{
"label": "S",
"value": "seconds",
"description": ""
},
{
"label": "F",
"value": "frames",
"description": ""
}
]
},
{
"name": "reset",
"label": "Reset",
"description": "Configure Reset for the operator",
"type": "string"
},
{
"name": "resetpulse",
"label": "Reset Pulse",
"description": "Configure Reset Pulse for the operator",
"type": "string"
},
{
"name": "ageattr",
"label": "Age Attribute",
"description": "Configure Age Attribute for the operator",
"type": "menu",
"options": [
{
"label": "None",
"value": "none",
"description": ""
},
{
"label": "Seconds",
"value": "seconds",
"description": ""
},
{
"label": "Frames",
"value": "frames",
"description": ""
}
]
},
{
"name": "none",
"label": "None",
"description": "Configure None for the operator",
"type": "menu",
"options": [
{
"label": "None",
"value": "none",
"description": ""
},
{
"label": "Seconds",
"value": "seconds",
"description": ""
},
{
"label": "Frames",
"value": "frames",
"description": ""
}
]
},
{
"name": "oldestpointfirst",
"label": "Oldest Point First",
"description": "Configure Oldest Point First for the operator",
"type": "string"
},
{
"name": "fillmissedframes",
"label": "Fill Missed Frames",
"description": "Configure Fill Missed Frames for the operator",
"type": "string"
},
{
"name": "attrmatch",
"label": "Match by Attribute",
"description": "Configure Match by Attribute for the operator",
"type": "string"
},
{
"name": "attrname",
"label": "Attribute Name",
"description": "Configure Attribute Name for the operator",
"type": "string"
},
{
"name": "uintmax",
"label": "Attrib is UInt",
"description": "Configure Attrib is UInt for the operator",
"type": "menu",
"options": [
{
"label": "4 bits UInt (max 16)",
"value": "uint4",
"description": ""
},
{
"label": "8 bits UInt (max 256)",
"value": "uint8",
"description": ""
},
{
"label": "12 bits UInt (max 4096)",
"value": "uint12",
"description": ""
},
{
"label": "16 bits UInt (max 65,536)",
"value": "uint16",
"description": ""
},
{
"label": "20 bits UInt (max 1 M)",
"value": "uint20",
"description": ""
},
{
"label": "24 bits UInt (max 16 M)",
"value": "uint24",
"description": ""
},
{
"label": "28 bits UInt (max 268 M)",
"value": "uint28",
"description": ""
},
{
"label": "32 bits UInt (max 4 B)",
"value": "uint32",
"description": ""
}
]
},
{
"name": "uint4",
"label": "4 bits UInt (max 16)",
"description": "Configure 4 bits UInt (max 16) for the operator",
"type": "menu",
"options": [
{
"label": "4 bits UInt (max 16)",
"value": "uint4",
"description": ""
},
{
"label": "8 bits UInt (max 256)",
"value": "uint8",
"description": ""
},
{
"label": "12 bits UInt (max 4096)",
"value": "uint12",
"description": ""
},
{
"label": "16 bits UInt (max 65,536)",
"value": "uint16",
"description": ""
},
{
"label": "20 bits UInt (max 1 M)",
"value": "uint20",
"description": ""
},
{
"label": "24 bits UInt (max 16 M)",
"value": "uint24",
"description": ""
},
{
"label": "28 bits UInt (max 268 M)",
"value": "uint28",
"description": ""
},
{
"label": "32 bits UInt (max 4 B)",
"value": "uint32",
"description": ""
}
]
},
{
"name": "maxls",
"label": "Max Number of Line Strips",
"description": "Configure Max Number of Line Strips for the operator",
"type": "string"
},
{
"name": "surftype",
"label": "Connectivity",
"description": "Configure Connectivity for the operator",
"type": "menu",
"options": [
{
"label": "None",
"value": "none",
"description": ""
},
{
"label": "Point Prims",
"value": "points",
"description": ""
},
{
"label": "Rows",
"value": "rows",
"description": ""
},
{
"label": "Columns",
"value": "cols",
"description": ""
},
{
"label": "Rows and Columns",
"value": "rowcol",
"description": ""
},
{
"label": "Triangles",
"value": "triangles",
"description": ""
},
{
"label": "Alternating Triangles",
"value": "alttriangles",
"description": ""
},
{
"label": "Quadrilaterals",
"value": "quads",
"description": ""
}
]
},
{
"name": "closed",
"label": "Closed",
"description": "Configure Closed for the operator",
"type": "string"
},
{
"name": "t",
"label": "Translate",
"description": "Configure Translate for the operator",
"type": "menu",
"options": [
{
"label": "Translate",
"value": "tx",
"description": ""
},
{
"label": "Translate",
"value": "ty",
"description": ""
},
{
"label": "Translate",
"value": "tz",
"description": ""
}
]
},
{
"name": "tx",
"label": "Translate",
"description": "Configure Translate for the operator",
"type": "menu",
"options": [
{
"label": "Translate",
"value": "tx",
"description": ""
},
{
"label": "Translate",
"value": "ty",
"description": ""
},
{
"label": "Translate",
"value": "tz",
"description": ""
}
]
},
{
"name": "r",
"label": "Rotate",
"description": "Configure Rotate for the operator",
"type": "menu",
"options": [
{
"label": "Rotate",
"value": "rx",
"description": ""
},
{
"label": "Rotate",
"value": "ry",
"description": ""
},
{
"label": "Rotate",
"value": "rz",
"description": ""
}
]
},
{
"name": "rx",
"label": "Rotate",
"description": "Configure Rotate for the operator",
"type": "menu",
"options": [
{
"label": "Rotate",
"value": "rx",
"description": ""
},
{
"label": "Rotate",
"value": "ry",
"description": ""
},
{
"label": "Rotate",
"value": "rz",
"description": ""
}
]
},
{
"name": "bypass",
"label": "Bypass",
"description": "Configure Bypass for the operator",
"type": "string"
},
{
"name": "delinputattrs",
"label": "Delete Input Attributes",
"description": "Configure Delete Input Attributes for the operator",
"type": "string"
},
{
"name": "parmcolorspace",
"label": "Parameter Color Space",
"description": "Configure Parameter Color Space for the operator",
"type": "menu",
"options": [
{
"label": "sRGB",
"value": "srgb",
"description": "sRGB color space, with sRGB transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "sRGB - Linear",
"value": "srgblinear",
"description": "Linear srgblinear - sRGB color space, with linear transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.601 (NTSC)",
"value": "rec601ntsc",
"description": "Rec.601 with NTSC primaries color space, with Rec.601 transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.709",
"value": "rec709",
"description": "Rec.709 color space, with Rec.709 (same as Rec.2020) transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.2020",
"value": "rec2020",
"description": "Rec.2020 color space, with Rec.2020 (same as Rec.709) transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3",
"value": "dcip3",
"description": "P3 dcip3 - DCI-P3 color space, with D65 white point and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3 (D60)",
"value": "dcip3d60",
"description": "P3 (D60) dcip3d60 - DCI-P3 \"D60 sim\" color space, with D60 white point, and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Display-P3 (D65)",
"value": "displayp3d65",
"description": "P3 (D65) displayp3d65 - Display-P3 color space, with D65 white point, and sRGB gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACES2065-1",
"value": "aces2065-1",
"description": "1 aces2065-1 - ACES 2065-1 (also known as ACES AP0) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACEScg",
"value": "acescg",
"description": "ACEScg (also known as ACES AP1) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Passthrough",
"value": "passthrough",
"description": "When selected, the color values will be used as-is in the operation, without any modification or attempt to convert them into the Working Color Space."
}
]
},
{
"name": "srgb",
"label": "sRGB",
"description": "Configure sRGB for the operator",
"type": "menu",
"options": [
{
"label": "sRGB",
"value": "srgb",
"description": "sRGB color space, with sRGB transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "sRGB - Linear",
"value": "srgblinear",
"description": "Linear srgblinear - sRGB color space, with linear transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.601 (NTSC)",
"value": "rec601ntsc",
"description": "Rec.601 with NTSC primaries color space, with Rec.601 transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.709",
"value": "rec709",
"description": "Rec.709 color space, with Rec.709 (same as Rec.2020) transfer function. Considered an SDR color space with respect to Reference White."
},
{
"label": "Rec.2020",
"value": "rec2020",
"description": "Rec.2020 color space, with Rec.2020 (same as Rec.709) transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3",
"value": "dcip3",
"description": "P3 dcip3 - DCI-P3 color space, with D65 white point and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "DCI-P3 (D60)",
"value": "dcip3d60",
"description": "P3 (D60) dcip3d60 - DCI-P3 \"D60 sim\" color space, with D60 white point, and 2.6 gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Display-P3 (D65)",
"value": "displayp3d65",
"description": "P3 (D65) displayp3d65 - Display-P3 color space, with D65 white point, and sRGB gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACES2065-1",
"value": "aces2065-1",
"description": "1 aces2065-1 - ACES 2065-1 (also known as ACES AP0) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "ACEScg",
"value": "acescg",
"description": "ACEScg (also known as ACES AP1) color space, with a linear gamma transfer function. Considered an HDR color space with respect to Reference White."
},
{
"label": "Passthrough",
"value": "passthrough",
"description": "When selected, the color values will be used as-is in the operation, without any modification or attempt to convert them into the Working Color Space."
}
]
},
{
"name": "parmreferencewhite",
"label": "Parameter Reference White",
"description": "Configure Parameter Reference White for the operator",
"type": "menu",
"options": [
{
"label": "Default For Color Space",
"value": "default",
"description": "Will use either the SDR or the HDR Reference White, based on the color space selected."
},
{
"label": "Standard (SDR)",
"value": "sdr",
"description": "Will treat the Parameter Color Space as SDR for it's reference white value."
},
{
"label": "High (HDR)",
"value": "hdr",
"description": "Will treat the Parameter Color Space as HDR for it's reference white value."
}
]
},
{
"name": "default",
"label": "Default For Color Space",
"description": "Configure Default For Color Space for the operator",
"type": "menu",
"options": [
{
"label": "Default For Color Space",
"value": "default",
"description": "Will use either the SDR or the HDR Reference White, based on the color space selected."
},
{
"label": "Standard (SDR)",
"value": "sdr",
"description": "Will treat the Parameter Color Space as SDR for it's reference white value."
},
{
"label": "High (HDR)",
"value": "hdr",
"description": "Will treat the Parameter Color Space as HDR for it's reference white value."
}
]
}
],
"experimental": true,
"sourceFile": "Experimental-Trail_POP.htm",
"parsedAt": "2025-08-08T03:04:00.585Z"
}