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cdek

cdek

by dontsovcmc
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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cdek_regions

Retrieve region details with optional filtering by country codes. Specify ISO country codes to narrow results.

Instructions

Получение списка регионов (GET /v2/location/regions).

Возвращает детальную информацию о регионах с возможностью фильтрации по стране.

Args: country_codes: Country codes in ISO_3166-1_alpha-2 (e.g. "RU", "KZ"). Empty for all. size: Max number of results (default 5)

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "cdek_regions"
  }
}

Input Schema

NameRequiredDescriptionDefault
sizeNo
country_codesNo

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.6.0

TDQS

A4.2/5.0
Behavior4/5

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

No annotations provided, but the description indicates a GET request (read-only) and returns detailed region info. It does not mention any side effects, rate limits, or auth needs, but for a read-only tool this is sufficient.

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 concise sentences with a clear structure: endpoint, what it returns, and parameter explanations. No waste.

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?

Given the tool has an output schema, return values need not be explained. Parameters are fully covered. Minor omission: no mention of pagination or error handling, but acceptable for a simple list tool.

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

Parameters4/5

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

Schema coverage is 0%, but the description adds meaning: country_codes are ISO_3166-1_alpha-2 format, size has default 5. This compensates well for the missing schema descriptions.

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?

The description clearly states it retrieves a list of regions with filter by country, using GET /v2/location/regions. It is distinct from sibling tools like cdek_cities or cdek_delivery_points.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains filtering by country codes and a size limit, but does not explicitly say when to use this tool versus alternatives or provide exclusions. Usage is implied by the context of location data.

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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