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Dump Shader Tree

dump_shader
Read-only

Recursively dump a classical shader into JSON, capturing node types, bitmap file paths, and linked shaders for inspection or reuse.

Instructions

Recursively dump a shader (resolved from a handle) into JSON. Classical materials only — node materials (Standard node space / Redshift / etc.) expose their shading as a maxon node graph; use list_graph_nodes / apply_graph_description for those instead. Captures type_id / type_name / name per node; promotes c4d.Xbitmap paths to a "file" field; heuristically surfaces image-like strings hiding in other shader BaseContainers as "file_candidates"; and expands shader links stored inside the container as "linked_shaders" (the shape used by Fusion / Colorizer whose internals don't appear via GetDown). Pair with list_entities kind=shader to discover shader handles.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
handleYesC4D entity handle. Shapes: {kind:"object",name?|path?}, {kind:"render_data",name}, {kind:"take",name}, {kind:"material",name}, {kind:"layer",name}, {kind:"tag",object?|object_path?,type_id?,tag_name?}, {kind:"video_post",render_data,type_id}, {kind:"shader",owner:<handle>,index}, {kind:"gv_node",tag:<tag handle>,id?|name?} (Xpresso GvNode; use list_xpresso_nodes to discover stable path ids — GvNode inherits BaseList2D so set_params/get_params/describe work on it), {kind:"plugin_options",plugin_id,plugin_type?} (plugin_id accepts an int or a format alias like "abc"/"fbx"/"obj"/"usd"/"gltf"; plugin_type defaults to "scene_saver"; resolves to the plugin's settings BaseList2D — describe+set_params it to configure exporter options before save_document). Prefer `path` over `name` when names are not unique. For this tool, pass a shader handle such as {kind:"shader", owner:<material handle>, index:0}.
max_depthNoMaximum recursion depth (default 5). 0 returns only the root node.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changedv0.5.1
    • removedInput schema / definitions
      Removed value: -{
-  "__schema0": {
-    "anyOf": [
-      {
-        "properties": {
-          "kind": {
-            "const": "object",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          },
-          "path": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "render_data",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind",
-          "name"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "take",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind",
-          "name"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "material",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind",
-          "name"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "layer",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind",
-          "name"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "tag",
-            "type": "string"
-          },
-          "object": {
-            "type": "string"
-          },
-          "object_path": {
-            "type": "string"
-          },
-          "tag_name": {
-            "type": "string"
-          },
-          "type_id": {
-            "maximum": 9007199254740991,
-            "minimum": -9007199254740991,
-            "type": "integer"
-          }
-        },
-        "required": [
-          "kind"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "video_post",
-            "type": "string"
-          },
-          "render_data": {
-            "type": "string"
-          },
-          "type_id": {
-            "maximum": 9007199254740991,
-            "minimum": -9007199254740991,
-            "type": "integer"
-          }
-        },
-        "required": [
-          "kind",
-          "render_data",
-          "type_id"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "index": {
-            "maximum": 9007199254740991,
-            "minimum": 0,
-            "type": "integer"
-          },
-          "kind": {
-            "const": "shader",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          },
-          "owner": {
-            "allOf": [
-              {
-                "$ref": "#/definitions/__schema0"
-              }
-            ]
-          }
-        },
-        "required": [
-          "kind",
-          "owner"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "id": {
-            "type": "string"
-          },
-          "kind": {
-            "const": "gv_node",
-            "type": "string"
-          },
-          "name": {
-            "type": "string"
-          },
-          "tag": {
-            "allOf": [
-              {
-                "$ref": "#/definitions/__schema0"
-              }
-            ]
-          }
-        },
-        "required": [
-          "kind",
-          "tag"
-        ],
-        "type": "object"
-      },
-      {
-        "properties": {
-          "kind": {
-            "const": "plugin_options",
-            "type": "string"
-          },
-          "plugin_id": {
-            "anyOf": [
-              {
-                "maximum": 9007199254740991,
-                "minimum": -9007199254740991,
-                "type": "integer"
-              },
-              {
-                "type": "string"
-              }
-            ]
-          },
-          "plugin_type": {
-            "enum": [
-              "command",
-              "object",
-              "tag",
-              "material",
-              "shader",
-              "video_post",
-              "scene_loader",
-              "scene_saver",
-              "bitmap_loader",
-              "bitmap_saver",
-              "tool",
-              "preference",
-              "node",
-              "sculpt_brush"
-            ],
-            "type": "string"
-          }
-        },
-        "required": [
-          "kind",
-          "plugin_id"
-        ],
-        "type": "object"
-      }
-    ]
-  }
-}
    • removedInput schema / properties / handle / allOf
      Removed value: -[
-  {
-    "$ref": "#/definitions/__schema0"
-  }
-]
    • addedInput schema / properties / handle / anyOf
      Added value: +[
+  {
+    "properties": {
+      "kind": {
+        "const": "object",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "path": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "render_data",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "take",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "material",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "layer",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "tag",
+        "type": "string"
+      },
+      "object": {
+        "type": "string"
+      },
+      "object_path": {
+        "type": "string"
+      },
+      "tag_name": {
+        "type": "string"
+      },
+      "type_id": {
+        "maximum": 9007199254740991,
+        "minimum": -9007199254740991,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "kind"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "video_post",
+        "type": "string"
+      },
+      "render_data": {
+        "type": "string"
+      },
+      "type_id": {
+        "maximum": 9007199254740991,
+        "minimum": -9007199254740991,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "kind",
+      "render_data",
+      "type_id"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "plugin_options",
+        "type": "string"
+      },
+      "plugin_id": {
+        "anyOf": [
+          {
+            "maximum": 9007199254740991,
+            "minimum": -9007199254740991,
+            "type": "integer"
+          },
+          {
+            "type": "string"
+          }
+        ]
+      },
+      "plugin_type": {
+        "enum": [
+          "command",
+          "object",
+          "tag",
+          "material",
+          "shader",
+          "video_post",
+          "scene_loader",
+          "scene_saver",
+          "bitmap_loader",
+          "bitmap_saver",
+          "tool",
+          "preference",
+          "node",
+          "sculpt_brush"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "plugin_id"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "index": {
+        "maximum": 9007199254740991,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "kind": {
+        "const": "shader",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "owner": {
+        "additionalProperties": {},
+        "description": "Handle of the shader's owner (material, object, tag, video_post, or shader).",
+        "properties": {
+          "kind": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "kind"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "kind",
+      "owner"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "kind": {
+        "const": "gv_node",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "tag": {
+        "properties": {
+          "kind": {
+            "const": "tag",
+            "type": "string"
+          },
+          "object": {
+            "type": "string"
+          },
+          "object_path": {
+            "type": "string"
+          },
+          "tag_name": {
+            "type": "string"
+          },
+          "type_id": {
+            "maximum": 9007199254740991,
+            "minimum": -9007199254740991,
+            "type": "integer"
+          }
+        },
+        "required": [
+          "kind"
+        ],
+        "type": "object"
+      }
+    },
+    "required": [
+      "kind",
+      "tag"
+    ],
+    "type": "object"
+  }
+]
  2. Changed2 schema fields changedv0.4.3
    • changedInput schema / definitions / __schema0 / anyOf
      Previous value: -[
-  {
-    "properties": {
-      "kind": {
-        "const": "object",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      },
-      "path": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "kind"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "render_data",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "kind",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "take",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "kind",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "material",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      }
-    },
-    "required": [
-      "kind",
-      "name"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "tag",
-        "type": "string"
-      },
-      "object": {
-        "type": "string"
-      },
-      "object_path": {
-        "type": "string"
-      },
-      "tag_name": {
-        "type": "string"
-      },
-      "type_id": {
-        "maximum": 9007199254740991,
-        "minimum": -9007199254740991,
-        "type": "integer"
-      }
-    },
-    "required": [
-      "kind"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "video_post",
-        "type": "string"
-      },
-      "render_data": {
-        "type": "string"
-      },
-      "type_id": {
-        "maximum": 9007199254740991,
-        "minimum": -9007199254740991,
-        "type": "integer"
-      }
-    },
-    "required": [
-      "kind",
-      "render_data",
-      "type_id"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "index": {
-        "maximum": 9007199254740991,
-        "minimum": 0,
-        "type": "integer"
-      },
-      "kind": {
-        "const": "shader",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      },
-      "owner": {
-        "allOf": [
-          {
-            "$ref": "#/definitions/__schema0"
-          }
-        ]
-      }
-    },
-    "required": [
-      "kind",
-      "owner"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "id": {
-        "type": "string"
-      },
-      "kind": {
-        "const": "gv_node",
-        "type": "string"
-      },
-      "name": {
-        "type": "string"
-      },
-      "tag": {
-        "allOf": [
-          {
-            "$ref": "#/definitions/__schema0"
-          }
-        ]
-      }
-    },
-    "required": [
-      "kind",
-      "tag"
-    ],
-    "type": "object"
-  },
-  {
-    "properties": {
-      "kind": {
-        "const": "plugin_options",
-        "type": "string"
-      },
-      "plugin_id": {
-        "anyOf": [
-          {
-            "maximum": 9007199254740991,
-            "minimum": -9007199254740991,
-            "type": "integer"
-          },
-          {
-            "type": "string"
-          }
-        ]
-      },
-      "plugin_type": {
-        "enum": [
-          "command",
-          "object",
-          "tag",
-          "material",
-          "shader",
-          "video_post",
-          "scene_loader",
-          "scene_saver",
-          "bitmap_loader",
-          "bitmap_saver",
-          "tool",
-          "preference",
-          "node",
-          "sculpt_brush"
-        ],
-        "type": "string"
-      }
-    },
-    "required": [
-      "kind",
-      "plugin_id"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "properties": {
+      "kind": {
+        "const": "object",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "path": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "render_data",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "take",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "material",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "layer",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "name"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "tag",
+        "type": "string"
+      },
+      "object": {
+        "type": "string"
+      },
+      "object_path": {
+        "type": "string"
+      },
+      "tag_name": {
+        "type": "string"
+      },
+      "type_id": {
+        "maximum": 9007199254740991,
+        "minimum": -9007199254740991,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "kind"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "video_post",
+        "type": "string"
+      },
+      "render_data": {
+        "type": "string"
+      },
+      "type_id": {
+        "maximum": 9007199254740991,
+        "minimum": -9007199254740991,
+        "type": "integer"
+      }
+    },
+    "required": [
+      "kind",
+      "render_data",
+      "type_id"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "index": {
+        "maximum": 9007199254740991,
+        "minimum": 0,
+        "type": "integer"
+      },
+      "kind": {
+        "const": "shader",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "owner": {
+        "allOf": [
+          {
+            "$ref": "#/definitions/__schema0"
+          }
+        ]
+      }
+    },
+    "required": [
+      "kind",
+      "owner"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "id": {
+        "type": "string"
+      },
+      "kind": {
+        "const": "gv_node",
+        "type": "string"
+      },
+      "name": {
+        "type": "string"
+      },
+      "tag": {
+        "allOf": [
+          {
+            "$ref": "#/definitions/__schema0"
+          }
+        ]
+      }
+    },
+    "required": [
+      "kind",
+      "tag"
+    ],
+    "type": "object"
+  },
+  {
+    "properties": {
+      "kind": {
+        "const": "plugin_options",
+        "type": "string"
+      },
+      "plugin_id": {
+        "anyOf": [
+          {
+            "maximum": 9007199254740991,
+            "minimum": -9007199254740991,
+            "type": "integer"
+          },
+          {
+            "type": "string"
+          }
+        ]
+      },
+      "plugin_type": {
+        "enum": [
+          "command",
+          "object",
+          "tag",
+          "material",
+          "shader",
+          "video_post",
+          "scene_loader",
+          "scene_saver",
+          "bitmap_loader",
+          "bitmap_saver",
+          "tool",
+          "preference",
+          "node",
+          "sculpt_brush"
+        ],
+        "type": "string"
+      }
+    },
+    "required": [
+      "kind",
+      "plugin_id"
+    ],
+    "type": "object"
+  }
+]
    • changedInput schema / properties / handle / description
      Previous value: -"C4D entity handle. Shapes: {kind:\"object\",name?|path?}, {kind:\"render_data\",name}, {kind:\"take\",name}, {kind:\"material\",name}, {kind:\"tag\",object?|object_path?,type_id?,tag_name?}, {kind:\"video_post\",render_data,type_id}, {kind:\"shader\",owner:<handle>,index}, {kind:\"gv_node\",tag:<tag handle>,id?|name?} (Xpresso GvNode; use list_xpresso_nodes to discover stable path ids — GvNode inherits BaseList2D so set_params/get_params/describe work on it), {kind:\"plugin_options\",plugin_id,plugin_type?} (plugin_id accepts an int or a format alias like \"abc\"/\"fbx\"/\"obj\"/\"usd\"/\"gltf\"; plugin_type defaults to \"scene_saver\"; resolves to the plugin's settings BaseList2D — describe+set_params it to configure exporter options before save_document). Prefer `path` over `name` when names are not unique. For this tool, pass a shader handle such as {kind:\"shader\", owner:<material handle>, index:0}."New value: +"C4D entity handle. Shapes: {kind:\"object\",name?|path?}, {kind:\"render_data\",name}, {kind:\"take\",name}, {kind:\"material\",name}, {kind:\"layer\",name}, {kind:\"tag\",object?|object_path?,type_id?,tag_name?}, {kind:\"video_post\",render_data,type_id}, {kind:\"shader\",owner:<handle>,index}, {kind:\"gv_node\",tag:<tag handle>,id?|name?} (Xpresso GvNode; use list_xpresso_nodes to discover stable path ids — GvNode inherits BaseList2D so set_params/get_params/describe work on it), {kind:\"plugin_options\",plugin_id,plugin_type?} (plugin_id accepts an int or a format alias like \"abc\"/\"fbx\"/\"obj\"/\"usd\"/\"gltf\"; plugin_type defaults to \"scene_saver\"; resolves to the plugin's settings BaseList2D — describe+set_params it to configure exporter options before save_document). Prefer `path` over `name` when names are not unique. For this tool, pass a shader handle such as {kind:\"shader\", owner:<material handle>, index:0}."
  3. First observedv0.3.1

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

readOnlyHint=true already establishes this is a safe read. The description goes well beyond that by disclosing what the traversal captures (type_id/type_name/name per node), the Xbitmap-to-'file' promotion, the heuristic 'file_candidates' detection, and the 'linked_shaders' expansion for Fusion/Colorizer whose internals are invisible via GetDown. That is meaningful behavioral context about output shape and known traversal blind spots, but with no output schema and no statement of size/rate limits, it stops short of a 4-5.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with the core action, then the applicability boundary, then output details. Dense but each clause carries distinct information (field names, heuristics, link expansion). Slightly long for two sentences, but no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, so the description must carry the return-shape burden — and it does, enumerating the file/file_candidates/linked_shaders fields the consumer will see. Combined with the sibling routing and handle-style hint, an agent has everything needed to invoke it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%: the schema not only names both parameters but explains the handle shapes and even states 'For this tool, pass a shader handle such as {kind:"shader", owner:<material handle>, index:0}'. The description's 'resolved from a handle' adds only mild reinforcement, and max_depth is left entirely to the schema. Baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource+scope ('Recursively dump a shader (resolved from a handle) into JSON') and explicitly delimits itself against the sibling tools list_graph_nodes / apply_graph_description for node materials. An agent can distinguish this from get_container or get_params without opening a schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives an explicit when-not ('Classical materials only — node materials ... use list_graph_nodes / apply_graph_description instead') and a discovery hint ('Pair with list_entities kind=shader to discover shader handles'). Both the applicability boundary and the entry workflow are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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