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Qiniso

Qiniso

Official
by qinisolabs
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TypeScript
Hybrid

validate_sscc

Verify an SSCC (GS1 Serial Shipping Container Code) by checking its 18-digit check digit and returning the extension digit and GS1 prefix country. Validates structure before relying on the code.

Instructions

USE THIS to verify an SSCC (GS1 Serial Shipping Container Code — identifies a pallet/carton/logistics unit) from a shipping label before relying on it. Checks the 18-digit GS1 mod-10 check digit and returns the extension digit and GS1 prefix country. Validates structure only.

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": {
      "sscc": "<sscc>"
    },
    "name": "validate_sscc"
  }
}

Input Schema

NameRequiredDescriptionDefault
ssccYesThe 18-digit SSCC; spaces and dashes are ignored.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A4.3/5.0
Behavior4/5

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

No annotations provided, so description must disclose behavior. It explains that it checks the check digit, returns extension digit and GS1 prefix country, and validates structure only. This is sufficient transparency for a validation tool.

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?

Two sentences, front-loaded with 'USE THIS'. No unnecessary words. Every sentence adds value.

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?

No output schema, but description states return values (extension digit, GS1 prefix country). Also clarifies scope ('validates structure only'). Complete for a simple validation tool.

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?

Input schema has 100% description coverage for the single parameter. The description repeats the schema's description exactly (ignoring spaces/dashes). Thus, no additional meaning beyond schema, baseline 3.

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?

Clearly states it verifies an SSCC from a shipping label and defines the acronym. Distinguishes from sibling validation tools by specifying the exact code type and its context.

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?

Explicitly says 'USE THIS to verify... before relying on it.' Provides clear when-to-use guidance. Does not state when not to use, but specificity implies it is not for other codes.

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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