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Rezlazy

yandex-metrika-mcp

by Rezlazy

mgmt_public_grant_create

Create a public grant for a Yandex Metrika counter by providing its counter ID. Enables public access to the counter's data without a request body.

Instructions

https://yandex.ru/dev/metrika/ru/management/ Create public grant (no body)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
prettyNoPretty-print response (1)
counterIdYesCounter ID

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.2

TDQS

C2.4/5.0
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. It only mentions 'no body', implying the request has no payload, but it does not describe side effects, permissions required, reversibility, or what the response contains. The brief nature leaves critical behavioral details undisclosed.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely short, but it is under-specified rather than concise. It includes an irrelevant URL and a vague phrase. Every sentence does not earn its place; the URL is not actionable, and the description lacks essential information about the tool's purpose and usage.

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 simple tool with 2 parameters and no output schema, the description is still incomplete. It fails to explain what a public grant is, how it differs from other grant types, or any operational context. An agent would lack the information needed to use it 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 coverage is 100% (both 'pretty' and 'counterId' have descriptions), so the baseline is 3. The description adds no semantic value beyond the schema; it doesn't explain that counterId identifies the target counter or that pretty controls formatting. It does not compensate for the schema's minimal descriptions.

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 the action 'Create public grant' which is a specific verb and resource, but it lacks differentiation from sibling tools like mgmt_grant_create or mgmt_public_grant_delete. The parenthetical '(no body)' hints at the request format but doesn't clarify what a public grant is or how it differs from other grant operations.

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 guidance is provided on when to use this tool versus alternatives such as mgmt_grant_create or mgmt_grant_update. There is no mention of scenarios, prerequisites, or exclusions, leaving the agent without context for selection.

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