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fashionnova_store

Fetch normalized Fashion Nova storefront metadata as JSON without credentials or URL input. Use it to retrieve fixed-domain shop data and fallback public Shopify sources when products.json is blocked.

Instructions

Get Fashion Nova store metadata. Returns normalized storefront metadata for Fashion Nova (https://www.fashionnova.com), sourced from credential-free storefront JSON. This endpoint is a brand-pinned wrapper around the generic Shopify store family: the storefront URL is fixed server-side, so no url parameter is accepted. If the vanity domain blocks /products.json, the service may fall back to a public *.myshopify.com domain discovered from the storefront page, or to the storefront's own embedded page data for storefronts that expose neither.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.16.0

TDQS

A4.8/5.0
Behavior5/5

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

With no annotations, the description carries full behavioral burden and does so thoroughly. It discloses the data source ('credential-free storefront JSON'), the fixed server-side URL behavior, and the fallback chain (fallback to a public *.myshopify.com domain or embedded page data) if /products.json is blocked. These details go well beyond what the schema or name conveys.

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?

The description is four sentences with no redundant phrases, and the core purpose is front-loaded in the first sentence. The fallback behavior sentence is detailed but necessary given the absence of annotations and output schema, and every sentence contributes distinct information.

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

Completeness5/5

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

For a zero-parameter metadata getter with no output schema, the description covers purpose, data source, parameter absence, and fallback behavior. It is complete enough for an agent to invoke the tool correctly without additional context, even though it does not enumerate the exact fields of the normalized metadata.

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

Parameters5/5

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

The input schema is empty, so the baseline is 4, but the description adds meaningful context by explaining why no 'url' parameter is accepted: the URL is pinned server-side. This preempts an agent from expecting a parameter that the schema lacks and clarifies the endpoint's fixed scope.

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 'Get Fashion Nova store metadata' uses a specific verb and resource, and the rest clarifies it returns normalized storefront metadata for a fixed brand URL. It distinguishes itself from sibling Fashion Nova endpoints (products, collections, pages) by focusing on storefront metadata, and from the generic Shopify store family by explicitly labeling itself a brand-pinned wrapper.

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?

The description explicitly explains that the storefront URL is fixed server-side and no 'url' parameter is accepted, which prevents misuse and differentiates from generic Shopify store tools. It positions the tool as a brand-pinned wrapper, implying it should be used for Fashion Nova rather than generic store queries, but it does not explicitly name alternative sibling tools or state when-not-to-use conditions.

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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