Valmera — AI Video Editor

Set vector graphic

set_vector_graphic

Idempotent

Updates an existing vector graphic's geometry, palette, kind, program window, progress value or motion. An empty motion object clears its keyframes.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "id": "<id>",
      "project_id": "<project_id>"
    },
    "name": "set_vector_graphic"
  }
}

Input Schema

Name	Required	Description
`x`	No
`y`	No
`id`	Yes
`end`	No
`kind`	No
`color`	No
`start`	No
`value`	No
`width`	No
`height`	No
`motion`	No	Element-local motion curves. t is seconds from this text's own start; x/y are frame fractions, scale is relative, rotation is degrees, opacity is 0..1.
`opacity`	No
`rounding`	No
`project_id`	Yes	Explicit project identifier for this request. The connection's navigation pointer does not select the target.
`motion_motif`	No	Active Blueprint motion motif id this event executes; never 'hold'.
`stroke_color`	No
`stroke_width`	No
`background_color`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 6, 2026

changedInput schema / properties / project_id / description

Previous value: -"Required immutable scope for this call. Copy the id from list_projects/open_project/project_state; the active-project pointer is never used to guess."New value: +"Explicit project identifier for this request. The connection's navigation pointer does not select the target."

Changed5 schema fields changedOct 9, 2026

changedInput schema / properties / motion / properties / opacity / anyOf

Previous value: -[
-  {
-    "type": "number"
-  },
-  {
-    "items": {
-      "properties": {
-        "ease": {
-          "enum": [
-            "linear",
-            "in",
-            "out",
-            "in_out",
-            "hold"
-          ],
-          "type": "string"
-        },
-        "t": {
-          "type": "number"
-        },
-        "v": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "t",
-        "v"
-      ],
-      "type": "object"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "type": "number"
+  },
+  {
+    "items": {
+      "properties": {
+        "ease": {
+          "enum": [
+            "linear",
+            "in",
+            "out",
+            "in_out",
+            "hold"
+          ],
+          "type": "string"
+        },
+        "t": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "v": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "t",
+        "v"
+      ],
+      "type": "object"
+    },
+    "maxItems": 24,
+    "minItems": 1,
+    "type": "array"
+  }
+]

changedInput schema / properties / motion / properties / rotation / anyOf

Previous value: -[
-  {
-    "type": "number"
-  },
-  {
-    "items": {
-      "properties": {
-        "ease": {
-          "enum": [
-            "linear",
-            "in",
-            "out",
-            "in_out",
-            "hold"
-          ],
-          "type": "string"
-        },
-        "t": {
-          "type": "number"
-        },
-        "v": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "t",
-        "v"
-      ],
-      "type": "object"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "type": "number"
+  },
+  {
+    "items": {
+      "properties": {
+        "ease": {
+          "enum": [
+            "linear",
+            "in",
+            "out",
+            "in_out",
+            "hold"
+          ],
+          "type": "string"
+        },
+        "t": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "v": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "t",
+        "v"
+      ],
+      "type": "object"
+    },
+    "maxItems": 24,
+    "minItems": 1,
+    "type": "array"
+  }
+]

changedInput schema / properties / motion / properties / scale / anyOf

Previous value: -[
-  {
-    "type": "number"
-  },
-  {
-    "items": {
-      "properties": {
-        "ease": {
-          "enum": [
-            "linear",
-            "in",
-            "out",
-            "in_out",
-            "hold"
-          ],
-          "type": "string"
-        },
-        "t": {
-          "type": "number"
-        },
-        "v": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "t",
-        "v"
-      ],
-      "type": "object"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "type": "number"
+  },
+  {
+    "items": {
+      "properties": {
+        "ease": {
+          "enum": [
+            "linear",
+            "in",
+            "out",
+            "in_out",
+            "hold"
+          ],
+          "type": "string"
+        },
+        "t": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "v": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "t",
+        "v"
+      ],
+      "type": "object"
+    },
+    "maxItems": 24,
+    "minItems": 1,
+    "type": "array"
+  }
+]

changedInput schema / properties / motion / properties / x / anyOf

Previous value: -[
-  {
-    "type": "number"
-  },
-  {
-    "items": {
-      "properties": {
-        "ease": {
-          "enum": [
-            "linear",
-            "in",
-            "out",
-            "in_out",
-            "hold"
-          ],
-          "type": "string"
-        },
-        "t": {
-          "type": "number"
-        },
-        "v": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "t",
-        "v"
-      ],
-      "type": "object"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "type": "number"
+  },
+  {
+    "items": {
+      "properties": {
+        "ease": {
+          "enum": [
+            "linear",
+            "in",
+            "out",
+            "in_out",
+            "hold"
+          ],
+          "type": "string"
+        },
+        "t": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "v": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "t",
+        "v"
+      ],
+      "type": "object"
+    },
+    "maxItems": 24,
+    "minItems": 1,
+    "type": "array"
+  }
+]

changedInput schema / properties / motion / properties / y / anyOf

Previous value: -[
-  {
-    "type": "number"
-  },
-  {
-    "items": {
-      "properties": {
-        "ease": {
-          "enum": [
-            "linear",
-            "in",
-            "out",
-            "in_out",
-            "hold"
-          ],
-          "type": "string"
-        },
-        "t": {
-          "type": "number"
-        },
-        "v": {
-          "type": "number"
-        }
-      },
-      "required": [
-        "t",
-        "v"
-      ],
-      "type": "object"
-    },
-    "minItems": 1,
-    "type": "array"
-  }
-]New value: +[
+  {
+    "type": "number"
+  },
+  {
+    "items": {
+      "properties": {
+        "ease": {
+          "enum": [
+            "linear",
+            "in",
+            "out",
+            "in_out",
+            "hold"
+          ],
+          "type": "string"
+        },
+        "t": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "v": {
+          "type": "number"
+        }
+      },
+      "required": [
+        "t",
+        "v"
+      ],
+      "type": "object"
+    },
+    "maxItems": 24,
+    "minItems": 1,
+    "type": "array"
+  }
+]

First observedSep 9, 2026

TDQS

B3.3/5.0

Behavior3/5

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

Annotations already cover the safety profile (readOnly=false, idempotent=true, destructive=false, openWorld=false). The description adds one genuinely non-obvious behavioral fact — an empty motion object clears keyframes — which is real value. It does not disclose partial-update semantics (are omitted fields preserved or reset?), interaction between motion and motion_motif, or validation limits such as the 24-keyframe cap.

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?

Two sentences, no filler, and the most surprising fact (empty motion clears keyframes) is placed last as a deliberate exception note. The enumeration of mutable fields is front-loaded and easy to scan.

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?

For an 18-parameter mutation tool with a nested motion object and no output schema, the description is thin. It does not state whether this is a merge-style partial update, which fields are required versus optional, or what the response confirms, leaving significant gaps despite good core framing.

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

Parameters2/5

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

Schema description coverage is only 17% (effectively only project_id and motion are documented), so the description carries most of the burden. It loosely maps field groups (geometry→x/y/width/height/rounding/start/end, palette→color/stroke_color/background_color, kind, progress value→value), but the mapping is imprecise and leaves opacity, motion_motif, and the meaning of 'program window' unexplained.

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?

Opens with a specific verb+resource ('Updates an existing vector graphic') and enumerates the mutable facets: geometry, palette, kind, program window, progress value, motion. 'Existing' implicitly separates it from add_vector_graphic/remove_vector_graphic, though it never names them.

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

Usage Guidelines3/5

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

The word 'existing' implies creation belongs elsewhere, and the description implies a single-field partial update is acceptable. But there is no explicit when-to-use guidance, no routing to add_vector_graphic for creation or remove_vector_graphic for deletion, and no prerequisite/permission guidance.

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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