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Remove C4D Entity

remove_entity
Destructive

Delete a Cinema 4D entity (object, material, tag, shader, etc.) within an undo step, ensuring safe removal while preserving scene history.

Instructions

Delete the resolved entity (wrapped in an undo step).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
handleYesEntity to delete.

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed1 schema field 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"
      +  }
      +]
  2. First observedv0.3.1

TDQS

A3.5/5.0
Behavior4/5

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

The destructiveHint annotation already flags the action as destructive, and the description adds the useful detail that the deletion is wrapped in an undo step, implying the action is reversible. That goes beyond the basic annotation but does not explain dependent objects or failure modes such as deleting an already-deleted entity.

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

Conciseness5/5

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

The description is a single sentence with no waste and places the main verb first. This is appropriately concise for a simple tool with one parameter.

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

Completeness3/5

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

The schema covers the parameter and the annotation covers the operation's destructive nature, but the concept of a 'resolved entity' is not explained. The description also does not mention what happens if an entity is missing or whether the undo step is user-facing, leaving some ambiguity for an agent in edge cases.

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 description coverage is 100%, with the handle parameter documented as 'Entity to delete.' The description only reiterates that a resolved entity is deleted, adding little beyond the already-complete schema documentation and leaving the resolved semantics undefined.

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

Purpose4/5

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

The description clearly states the action ('Delete') and the target ('the resolved entity'), so the core purpose is unambiguous. It doesn't explicitly distinguish itself from sibling removal tools like remove_graph_node or remove_marker, but the generic 'entity' wording and the tool name make the intent clear enough for a 4.

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

Usage Guidelines2/5

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

There is no guidance on when to use this tool versus the many other removal tools in the sibling list. The description also does not clarify what 'resolved' means or when an agent should use a more specific removal tool (e.g., remove_graph_node) instead.

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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