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List location-based display variables

list_geo_variables
Read-onlyIdempotent

List the saved location-based display variables for a site, including each fallback and regional rule. These personalize displayed copy only; they do not change checkout or payment pricing. Read-only.

Input Schema

NameRequiredDescriptionDefault
site_idYesThe site, from list_sites
user_goalNoOptional: the user's goal behind this call, in one short sentence of plain words (e.g. "add a page so customers can book tables"). No names, emails or other personal details.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / user_goal
      Added value: +{
      +  "description": "Optional: the user's goal behind this call, in one short sentence of plain words (e.g. \"add a page so customers can book tables\"). No names, emails or other personal details.",
      +  "type": "string"
      +}
  2. Added

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint and destructiveHint=false, so the bar is low, yet the description adds genuinely useful behavior: the tool returns fallbacks and regional rules, and its effect is confined to displayed copy, not commerce pricing. The closing 'Read-only' is mildly redundant with annotations but not contradictory.

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?

Three short sentences, front-loaded with the action and resource, then scope, then safety. Nothing is padded; the only near-redundancy is the one-word 'Read-only'.

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

Completeness4/5

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

For a two-parameter read tool with rich annotations and no output schema, the description gives enough to act: what is listed, that fallback and regional rules are included, and the effect boundary. It could optionally sketch the returned fields, but that gap is minor.

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?

Schema description coverage is 100%, so site_id ('from list_sites') and user_goal are already fully documented. The description only implies that results are scoped to a single site and adds no syntax or format detail beyond the schema, so baseline 3 applies.

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?

States a specific verb and resource ('List the saved location-based display variables for a site') plus the structural detail returned ('each fallback and regional rule'). This is clearly distinct from sibling upsert_geo_variable and from the tracking/privacy list tools.

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?

Includes a meaningful exclusion: these variables 'personalize displayed copy only; they do not change checkout or payment pricing,' which steers the agent away from misusing this data for pricing lookups. It stops short of naming an alternative tool for modifying variables (upsert_geo_variable), so it is clear context without full alternative routing.

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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