store

Get Shipping Estimate

get_shipping_estimate

Read-onlyIdempotent

Get estimated delivery time, free shipping threshold, and carrier information for a specific country. Use this when a customer asks about shipping costs or delivery times to their location.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`country_code`	Yes	ISO 3166-1 alpha-2 or alpha-3 country code (e.g. 'PL', 'DE', 'GB', 'FR', 'DEU', 'GBR')

Output Schema

TableJSON Schema

Name	Required	Description	Default
`error`	No
`carrier`	No
`message`	No
`returns`	No
`tracking`	No
`supported`	No
`country_code`	No
`free_shipping`	No
`shipping_cost`	No
`_response_budget`	No
`delivery_estimate`	No
`manufacturing_note`	No
`supported_countries`	No
`total_estimated_time`	No
`wall_art_launch_gate`	No
`tax_duty_handling_note`	No
`address_sign_launch_gate`	No
`tax_duty_handling_setup_dependent`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedAug 14, 2026

addedOutput schema / properties / _response_budget

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "dropped": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "limit_bytes": {
+      "type": "number"
+    },
+    "note": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "dropped",
+    "limit_bytes",
+    "note"
+  ],
+  "type": "object"
+}

First observedJul 2, 2026

TDQS

A4.1/5.0

Behavior3/5

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

Annotations already declare readOnlyHint and idempotentHint, so the safety profile is covered. The description adds output details (delivery time, threshold, carrier) but does not disclose edge cases or error behavior. Adequate given annotation coverage.

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 action and outputs, then usage guidance. No filler words or redundancy.

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?

For a simple read-only tool with one parameter, an output schema, and strong annotations, the description provides essential purpose, scope, and usage context. It is complete for an agent to select and invoke the tool correctly.

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 covers country_code with ISO 3166-1 alpha-2/alpha-3 examples, achieving 100% coverage. Description adds no additional parameter meaning beyond reinforcing the country scope, 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?

Description states a specific verb 'Get' with three concrete outputs (delivery time, free shipping threshold, carrier information) scoped to a specific country, clearly distinguishing it from sibling tools like product search or store info.

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 explicit usage instruction 'Use this when a customer asks about shipping costs or delivery times to their location,' providing clear context. It doesn't mention alternatives or exclusions, but no direct sibling alternative exists.

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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