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Create skateboard deck

create_deck

Saves finished artwork on a skateboard deck and returns a browser link for 3D preview, editing and ordering, plus a picture of the deck assembled with trucks and wheels. Takes exactly one of image_base64 or composition. Stores an unlisted design; it generates no AI artwork and places no order. Each successful call creates a new design.

Input Schema

NameRequiredDescriptionDefault
fitNocontain preserves the whole image; cover crops to fill the deck. The deck silhouette always clips the corners.contain
localeNoes
backgroundNoSix-digit hex colour that fills the deck around an image placed with contain.#FFFFFF
compositionNoAlternative to an image: flat artwork in 1000 × 3833 units. Shapes use top-left x/y; text x/y is its baseline centre. Text can rotate -90 degrees along the deck.
image_base64NoPNG, JPEG or WebP file bytes as base64, optionally a data URL. Must be the bytes of an existing file; artwork made of shapes and text goes in composition.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • changedInput schema / properties / composition / description
      Previous value: -"Alternative to an image: flat artwork in 1000 × 3734 units. Shapes use top-left x/y; text x/y is its baseline centre. Text can rotate -90 degrees along the deck."New value: +"Alternative to an image: flat artwork in 1000 × 3833 units. Shapes use top-left x/y; text x/y is its baseline centre. Text can rotate -90 degrees along the deck."
    • changedInput schema / properties / composition / properties / elements / items / anyOf
      Previous value: -[
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "fill": {
      -        "pattern": "^#[0-9a-fA-F]{6}$",
      -        "type": "string"
      -      },
      -      "height": {
      -        "exclusiveMinimum": 0,
      -        "maximum": 3734,
      -        "type": "number"
      -      },
      -      "type": {
      -        "const": "rect",
      -        "type": "string"
      -      },
      -      "width": {
      -        "exclusiveMinimum": 0,
      -        "maximum": 1000,
      -        "type": "number"
      -      },
      -      "x": {
      -        "maximum": 1000,
      -        "minimum": 0,
      -        "type": "number"
      -      },
      -      "y": {
      -        "maximum": 3734,
      -        "minimum": 0,
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "type",
      -      "x",
      -      "y",
      -      "fill",
      -      "width",
      -      "height"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "fill": {
      -        "pattern": "^#[0-9a-fA-F]{6}$",
      -        "type": "string"
      -      },
      -      "height": {
      -        "exclusiveMinimum": 0,
      -        "maximum": 3734,
      -        "type": "number"
      -      },
      -      "type": {
      -        "const": "ellipse",
      -        "type": "string"
      -      },
      -      "width": {
      -        "exclusiveMinimum": 0,
      -        "maximum": 1000,
      -        "type": "number"
      -      },
      -      "x": {
      -        "maximum": 1000,
      -        "minimum": 0,
      -        "type": "number"
      -      },
      -      "y": {
      -        "maximum": 3734,
      -        "minimum": 0,
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "type",
      -      "x",
      -      "y",
      -      "fill",
      -      "width",
      -      "height"
      -    ],
      -    "type": "object"
      -  },
      -  {
      -    "additionalProperties": false,
      -    "properties": {
      -      "fill": {
      -        "pattern": "^#[0-9a-fA-F]{6}$",
      -        "type": "string"
      -      },
      -      "font": {
      -        "default": "Anton",
      -        "enum": [
      -          "Anton",
      -          "Bangers",
      -          "Righteous"
      -        ],
      -        "type": "string"
      -      },
      -      "fontSize": {
      -        "maximum": 500,
      -        "minimum": 12,
      -        "type": "number"
      -      },
      -      "rotation": {
      -        "default": 0,
      -        "maximum": 180,
      -        "minimum": -180,
      -        "type": "number"
      -      },
      -      "text": {
      -        "maxLength": 80,
      -        "minLength": 1,
      -        "pattern": "^[^\\u0000-\\u001f\\u007f<>]*$",
      -        "type": "string"
      -      },
      -      "type": {
      -        "const": "text",
      -        "type": "string"
      -      },
      -      "x": {
      -        "maximum": 1000,
      -        "minimum": 0,
      -        "type": "number"
      -      },
      -      "y": {
      -        "maximum": 3734,
      -        "minimum": 0,
      -        "type": "number"
      -      }
      -    },
      -    "required": [
      -      "type",
      -      "x",
      -      "y",
      -      "fill",
      -      "text",
      -      "fontSize"
      -    ],
      -    "type": "object"
      -  }
      -]New value: +[
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "fill": {
      +        "pattern": "^#[0-9a-fA-F]{6}$",
      +        "type": "string"
      +      },
      +      "height": {
      +        "exclusiveMinimum": 0,
      +        "maximum": 3833,
      +        "type": "number"
      +      },
      +      "type": {
      +        "const": "rect",
      +        "type": "string"
      +      },
      +      "width": {
      +        "exclusiveMinimum": 0,
      +        "maximum": 1000,
      +        "type": "number"
      +      },
      +      "x": {
      +        "maximum": 1000,
      +        "minimum": 0,
      +        "type": "number"
      +      },
      +      "y": {
      +        "maximum": 3833,
      +        "minimum": 0,
      +        "type": "number"
      +      }
      +    },
      +    "required": [
      +      "type",
      +      "x",
      +      "y",
      +      "fill",
      +      "width",
      +      "height"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "fill": {
      +        "pattern": "^#[0-9a-fA-F]{6}$",
      +        "type": "string"
      +      },
      +      "height": {
      +        "exclusiveMinimum": 0,
      +        "maximum": 3833,
      +        "type": "number"
      +      },
      +      "type": {
      +        "const": "ellipse",
      +        "type": "string"
      +      },
      +      "width": {
      +        "exclusiveMinimum": 0,
      +        "maximum": 1000,
      +        "type": "number"
      +      },
      +      "x": {
      +        "maximum": 1000,
      +        "minimum": 0,
      +        "type": "number"
      +      },
      +      "y": {
      +        "maximum": 3833,
      +        "minimum": 0,
      +        "type": "number"
      +      }
      +    },
      +    "required": [
      +      "type",
      +      "x",
      +      "y",
      +      "fill",
      +      "width",
      +      "height"
      +    ],
      +    "type": "object"
      +  },
      +  {
      +    "additionalProperties": false,
      +    "properties": {
      +      "fill": {
      +        "pattern": "^#[0-9a-fA-F]{6}$",
      +        "type": "string"
      +      },
      +      "font": {
      +        "default": "Anton",
      +        "enum": [
      +          "Anton",
      +          "Bangers",
      +          "Righteous"
      +        ],
      +        "type": "string"
      +      },
      +      "fontSize": {
      +        "maximum": 500,
      +        "minimum": 12,
      +        "type": "number"
      +      },
      +      "rotation": {
      +        "default": 0,
      +        "maximum": 180,
      +        "minimum": -180,
      +        "type": "number"
      +      },
      +      "text": {
      +        "maxLength": 80,
      +        "minLength": 1,
      +        "pattern": "^[^\\u0000-\\u001f\\u007f<>]*$",
      +        "type": "string"
      +      },
      +      "type": {
      +        "const": "text",
      +        "type": "string"
      +      },
      +      "x": {
      +        "maximum": 1000,
      +        "minimum": 0,
      +        "type": "number"
      +      },
      +      "y": {
      +        "maximum": 3833,
      +        "minimum": 0,
      +        "type": "number"
      +      }
      +    },
      +    "required": [
      +      "type",
      +      "x",
      +      "y",
      +      "fill",
      +      "text",
      +      "fontSize"
      +    ],
      +    "type": "object"
      +  }
      +]
  2. Changed1 schema field changed
    • changedInput schema / properties / locale / enum
      Previous value: -[
      -  "es",
      -  "ca",
      -  "en",
      -  "fr"
      -]New value: +[
      +  "es",
      +  "ca",
      +  "en",
      +  "fr",
      +  "de",
      +  "it",
      +  "cs"
      +]
  3. Changed1 schema field changed
    • changedInput schema / properties / locale / enum
      Previous value: -[
      -  "es",
      -  "ca",
      -  "en"
      -]New value: +[
      +  "es",
      +  "ca",
      +  "en",
      +  "fr"
      +]
  4. First observed

TDQS

A4.3/5.0
Behavior5/5

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

Annotations already flag this as a non-read-only, non-idempotent, non-destructive, closed-world write; the description reinforces non-idempotency ('Each successful call creates a new design') and adds genuinely new behavior: the design is stored unlisted, no AI artwork is produced, and no order is placed. It also discloses the full return surface, which no output schema covers.

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?

Three tight sentences: what it saves and returns first, then the input either/or, then the behavioral caveats (unlisted, no AI art, no order, new design each call). No filler and the most decision-relevant facts are front-loaded.

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

Completeness4/5

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

For a mutation tool with no output schema and a nested composition object, the description covers the return values, the either/or input and the side-effect profile. The notable remaining gap is locale (language of the returned link/preview), which is undocumented in both schema and description and could affect an agent's default choice.

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

Parameters4/5

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

Schema coverage is 80%, so the schema carries most parameter meaning (fit, background, composition element geometry). The description adds the crucial cross-parameter constraint that exactly one of image_base64 or composition is accepted, which the schema does not encode since all properties are optional. The locale parameter remains unexplained in both places.

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 and resource: 'Saves finished artwork on a skateboard deck', then states the returns (3D preview/edit/order link plus an assembled-with-trucks picture). An agent can tell this apart from get_deck_spec by the outcome described. It stops short of explicitly naming the sibling and contrasting the two, so 4 rather than 5.

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

Usage Guidelines4/5

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

Gives a hard input rule ('Takes exactly one of image_base64 or composition') and clears up two likely misuses: it generates no AI artwork and places no order. It also warns that each call creates a new design, implying retries duplicate. No explicit pointer to an alternative tool for read-only spec lookups, so usage context is clear but not fully routed.

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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