More Good Reviews

Create Logo

createLogo

Create Logo

Download a public image URL and store it as the project logo.

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": {
      "url": "<url>"
    },
    "name": "createLogo"
  }
}

Input Schema

Name	Required	Description	Default
`url`	Yes	Public GIF, JPEG, or PNG URL. At most 5MB, each side 100 to 2000 pixels. Returns 400 if the URL cannot be fetched or the image fails those checks.

Output Schema

Name	Required	Description
`code`	No	Application-level status code returned by this API.
`data`	No	Stored logo image.
`success`	No	Indicates whether the request completed successfully.

Schema Changelog

Changes observed during successful MCP inspections.

AddedOct 10, 2026

TDQS

B3.2/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=false, openWorldHint=true, and non-idempotent, and the description usefully reinforces that behavior by disclosing that it fetches an external public URL and stores it. However, it never says whether an existing project logo is replaced or how the uploaded asset is mutated later, which matters for a write tool.

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

Conciseness4/5

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

Two short sentences, with the action front-loaded and zero filler. The only minor waste is repeating the title 'Create Logo' before the substantive sentence.

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 single-parameter tool with full schema coverage, an output schema, and annotations covering the safety profile, the description is nearly complete. The remaining gap is overwrite/replacement semantics for an existing logo, which the agent would want before calling.

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%: the single 'url' parameter already documents accepted formats (GIF/JPEG/PNG), size limits, pixel bounds, and the 400 error path. The description only restates that the URL must be public, adding nothing beyond the schema, so the baseline 3 applies.

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?

States a specific verb and resource ('Create Logo') and clarifies the mechanism: fetch a public image URL and store it as the project logo. Clear on its own, but gives no differentiation from siblings like createIcon or createReviewShareImage, leaving an agent to guess which image-creation tool applies.

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 when-to-use guidance, no mention of prerequisites such as ownership/branding permissions, and no reference to alternatives (createIcon, getLogo, deleteLogo). The agent must infer all routing from the name alone.

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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