bach-walmart_scraper4

get_product_data_from_url

Extract detailed product information from a Walmart product URL, supporting data collection and scraping tasks.

Instructions

This API endpoint is used to collect product information from a URL

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_product_data_from_url"
  }
}

Input Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

First observedv2.0.0Aug 2, 2026

TDQS

C2.6/5.0

Behavior2/5

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

No annotations are provided, so the description carries full responsibility for behavioral disclosure. It only says 'collect product information' which implies a read operation, but it doesn't disclose any side effects, required auth, rate limits, error handling, or the structure of the response. This is a minimal, non-committal description.

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?

The description is a single sentence, front-loaded with the key action ('collect product information from a URL'). It is concise and easy to read, though it lacks depth. No unnecessary words are present, and it earns its place despite being generic.

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?

The tool has no output schema, no annotations, and a parameterless schema, so the description is the only source of guidance. It fails to specify what product information is collected, what URL formats are accepted, return value structure, or any limitations. The description is far from complete for a tool that is presumably meant to fetch and parse external data.

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

Parameters1/5

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

The input schema has zero parameters, yet the description says 'from a URL', implying a URL input is required. There is no explanation of how the URL is passed, and no parameter exists in the schema. This is a contradiction between description and schema, making the tool's invocation unclear. The description adds misleading meaning rather than clarifying.

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 states the tool collects product information from a URL, which is a clear verb+resource pairing. It distinguishes from siblings like 'discover_top_products_in_a_category' by focusing on a specific URL. However, it doesn't clarify how the URL is provided given the schema has no parameters, leaving slight ambiguity.

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?

The description provides no guidance on when to use this tool versus alternatives like the discovery tools or monitor_status. It doesn't mention prerequisites, typical use cases, or exclusions. The only implicit signal is that it's URL-specific, but no explicit usage context is given.

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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