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Update J3 Setting

update_j3_setting

Update a Journal3 theme setting in OpenCart by specifying its name and value to adjust theme behavior.

Instructions

Update a Journal3 theme setting.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
setting_nameYes
setting_valueYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.7.0

TDQS

C2.7/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure but provides virtually none. It doesn't state whether the update requires authentication, what happens if the setting doesn't exist, or whether changes are reversible, leaving the agent with no operational context beyond the basic mutation implied by 'update'.

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 a single, concise sentence that front-loads the essential purpose without unnecessary words. It is appropriately sized for a straightforward update tool.

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?

Given the tool's complexity (mutation, no annotations), the description is insufficient. It omits critical details like permission requirements, error conditions, and how it relates to other setting-update tools. Although an output schema exists (so return values needn't be explained), the behavioral gaps make it incomplete.

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?

The schema has 0% description coverage and two required parameters, but they are self-explanatory (setting_name and setting_value). The description adds no syntax, format, or meaning beyond what the parameter names imply, so it neither compensates for the coverage gap nor provides value. Baseline 3 is appropriate for simple, self-describing parameters.

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 states a verb (update) and resource (Journal3 theme setting), which is clearer than a tautology. However, it does not differentiate itself from siblings like update_setting, update_j3_skin_setting, or update_j3_module, leaving ambiguity about when to use this tool versus other setting-update tools.

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?

No when-to-use or when-not-to-use guidance is provided. The description does not mention prerequisites, context, or alternatives, offering no help in selecting this tool over its many update_* siblings.

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