TimeLib MCP

create_category

Create a new product category by specifying its name, optional handle, active status, and parent category to organize products within the store catalog.

Instructions

Create a product category.

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": {
      "name": "<name>"
    },
    "name": "create_category"
  }
}

Input Schema

Name	Required	Description	Default
`name`	Yes
`handle`	No
`is_active`	No
`parent_category_id`	No

Schema Changelog

Changes observed during successful MCP inspections.

First observedv1.0.0Aug 4, 2026

TDQS

C2.4/5.0

Behavior2/5

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

No annotations are provided, so the description carries full burden for behavioral disclosure. It fails to mention whether this modifies existing data, whether handle is auto-generated if omitted, whether is_active defaults are applied, or how parent-child relationships are validated. Being a create (mutation) tool with zero annotations, more disclosure is needed.

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 efficient sentence with no wasted words. It earns points for brevity, though this is achieved through under-specification rather than tight informational content.

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?

For a mutation tool with 4 parameters, zero descriptions, no annotations, and no output schema, the tool description is significantly under-specified. It doesn't explain return values, hierarchical behavior, default values, or validation constraints. The complexity of category structures (parent/child, handle slugs, activation states) warrants substantially more documentation.

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

Parameters2/5

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

Schema description coverage is 0%, meaning none of the 4 parameters have meaningful descriptions in the schema. The description provides zero parameter-level information, so it does nothing to compensate for the coverage gap. No info about format, constraints, or semantics for name, handle, is_active, or parent_category_id.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Create a product category' uses a clear verb+resource structure, and it distinguishes from siblings (create_product, create_collection, create_variant) by naming the specific resource. However, it lacks any detail about scope or distinguishing features from create_collection, which appears closely related.

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 guidance on when to use this tool vs alternatives like create_collection or list_categories. No context about prerequisites, hierarchy rules, or relationship to parent categories is provided despite parent_category_id being a parameter.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.