3DLogo.io

Create a logo project from an uploaded image

create_image_logo_project

Saves a new 3D logo project from a mark stored with upload_logo_image or request_logo_image_upload, with a material and lighting, so it appears in the user's Projects. The image is traced into 3D the first time the project opens; open it once and save before publishing. Does not spend credits.

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": {
      "mark": "<mark>"
    },
    "name": "create_image_logo_project"
  }
}

Input Schema

Name	Required	Description
`mark`	Yes	Mark id from upload_logo_image or request_logo_image_upload
`depth`	No	Extrusion depth, default 30
`title`	No	Project name; defaults to the file name
`motion`	No
`material`	No	Material id from list_materials (e.g. gold-clean-optimised)
`background`	No	Hex colour, e.g. #1a1a1a
`environment`	No	Lighting room

Output Schema

Name	Required	Description
`id`	Yes
`url`	Yes	Opens the project in its studio
`kind`	Yes
`mark`	Yes
`note`	Yes
`title`	Yes
`isPublic`	Yes
`modelUrl`	Yes	Public GLB, for published meshes
`shareUrl`	Yes	Public page, when published
`inputType`	Yes
`kindLabel`	Yes
`updatedAt`	Yes	ISO 8601
`thumbnailUrl`	Yes	Saved thumbnail; needs the owner's browser session

Schema Changelog

Changes observed during successful MCP inspections.

Changed6 schema fields changedSep 6, 2026

changedInput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

changedOutput schema / $schema

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

removedOutput schema / properties / inputType / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / inputType / type
```
Added value: +[
+  "string",
+  "null"
+]
```

removedOutput schema / properties / updatedAt / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

addedOutput schema / properties / updatedAt / type
```
Added value: +[
+  "string",
+  "null"
+]
```

First observedSep 6, 2026

TDQS

A4.4/5.0

Behavior5/5

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

Beyond the sparse annotations, it discloses that a persistent project appears in the user's Projects, that image-to-3D tracing is deferred until first open, that the user must open and save before publishing, and that the operation does not spend credits. None of this contradicts the annotations' readOnly/destructive flags.

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 sentences, each carrying distinct information: the main action, the deferred-tracing caveat with required follow-up, and the cost implication. The most important information is front-loaded and there is no filler.

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 create-with-7-parameters tool, the description covers source prerequisite, persistence, deferred processing, required follow-up action, and credit behavior; an output schema exists so return values need not be described. It could be slightly stronger by naming the text-logo sibling as the alternative, but nothing critical is missing for invoking it with a valid mark.

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 86%, so the schema already documents most parameters and the description does not need to compensate. It adds useful context connecting 'mark' to the upload functions and mentions material/lighting, but it does not elaborate on depth, title, motion, or background beyond the schema.

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?

The opening sentence states the exact operation: 'Saves a new 3D logo project from a mark stored with upload_logo_image or request_logo_image_upload.' The verb 'saves', the object '3D logo project', and the source 'mark' make the tool's purpose unambiguous and distinguish it from text-logo and generation-saving siblings.

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?

It clearly names the prerequisite upstream tools ('upload_logo_image or request_logo_image_upload') and gives a specific post-creation instruction ('open it once and save before publishing'). It does not explicitly name create_text_logo_project as the alternative for text-based logos, so it falls just short of full when-not 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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