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arinspunk

Claude Talk to Figma MCP

by arinspunk
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TypeScript
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create_ellipse

Create an ellipse in Figma by specifying position (x, y), dimensions (width, height), optional fill/stroke colors, stroke weight, parent node ID, and name.

Instructions

Create a new ellipse in Figma

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
xYesX position (local coordinates, relative to parent)
yYesY position (local coordinates, relative to parent)
widthYesWidth of the ellipse
heightYesHeight of the ellipse
nameNoOptional name for the ellipse
parentIdNoParent node ID. REQUIRED — server enforces this. Use page node ID for top-level elements. Get page IDs via get_pages tool.
fillColorNoFill color in RGBA format
strokeColorNoStroke color in RGBA format
strokeWeightNoStroke weight

Schema Changelog

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

  1. Changed6 schema fields changedv0.8.2
    • addedInput schema / additionalProperties
      Added value: +false
    • addedInput schema / properties / fillColor / additionalProperties
      Added value: +false
    • changedInput schema / properties / parentId / description
      Previous value: -"Optional parent node ID to append the ellipse to"New value: +"Parent node ID. REQUIRED — server enforces this. Use page node ID for top-level elements. Get page IDs via get_pages tool."
    • addedInput schema / properties / strokeColor / additionalProperties
      Added value: +false
    • changedInput schema / properties / x / description
      Previous value: -"X position"New value: +"X position (local coordinates, relative to parent)"
    • changedInput schema / properties / y / description
      Previous value: -"Y position"New value: +"Y position (local coordinates, relative to parent)"
  2. Changed11 schema fields changedv1.0.0
    • removedInput schema / additionalProperties
      Removed value: -false
    • addedInput schema / properties / fillColor
      Added value: +{
+  "description": "Fill color in RGBA format",
+  "properties": {
+    "a": {
+      "description": "Alpha component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "b": {
+      "description": "Blue component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "g": {
+      "description": "Green component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "r": {
+      "description": "Red component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    }
+  },
+  "required": [
+    "r",
+    "g",
+    "b"
+  ],
+  "type": "object"
+}
    • addedInput schema / properties / height
      Added value: +{
+  "description": "Height of the ellipse",
+  "type": "number"
+}
    • addedInput schema / properties / name
      Added value: +{
+  "description": "Optional name for the ellipse",
+  "type": "string"
+}
    • addedInput schema / properties / parentId
      Added value: +{
+  "description": "Optional parent node ID to append the ellipse to",
+  "type": "string"
+}
    • addedInput schema / properties / strokeColor
      Added value: +{
+  "description": "Stroke color in RGBA format",
+  "properties": {
+    "a": {
+      "description": "Alpha component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "b": {
+      "description": "Blue component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "g": {
+      "description": "Green component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    },
+    "r": {
+      "description": "Red component (0-1)",
+      "maximum": 1,
+      "minimum": 0,
+      "type": "number"
+    }
+  },
+  "required": [
+    "r",
+    "g",
+    "b"
+  ],
+  "type": "object"
+}
    • addedInput schema / properties / strokeWeight
      Added value: +{
+  "description": "Stroke weight",
+  "exclusiveMinimum": 0,
+  "type": "number"
+}
    • addedInput schema / properties / width
      Added value: +{
+  "description": "Width of the ellipse",
+  "type": "number"
+}
    • addedInput schema / properties / x
      Added value: +{
+  "description": "X position",
+  "type": "number"
+}
    • addedInput schema / properties / y
      Added value: +{
+  "description": "Y position",
+  "type": "number"
+}
    • addedInput schema / required
      Added value: +[
+  "x",
+  "y",
+  "width",
+  "height"
+]
  3. First observed

TDQS

C2.7/5.0
Behavior2/5

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

There are no annotations, so the description must fully disclose behavior. It only states that an ellipse is created, but fails to mention whether the ellipse is added to the selection, any side effects on the document state, or requirements like the parent parameter being mandatory.

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

Conciseness2/5

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

The description is too short, consisting of a single sentence. While concise, it omits critical information, making it too sparse to be truly helpful.

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

Completeness2/5

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

Given the complexity of 9 parameters and many sibling tools, the description is incomplete. It does not explain return values, how the ellipse relates to the canvas, or any interactions with other tools like setting properties.

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%, so the baseline is 3. The description adds no extra meaning beyond what the schema provides, such as clarifying coordinate systems or color formats.

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 'Create a new ellipse in Figma', which is a specific verb+resource. However, it does not differentiate from sibling tools like create_rectangle or create_polygon, which similarly create shapes.

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?

No guidance is provided on when to use this tool vs alternatives. The description does not mention prerequisites, such as needing a parentId from get_pages, nor does it exclude cases where other shape tools would be more appropriate.

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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