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Rezlazy

yandex-metrika-mcp

by Rezlazy

mgmt_operation_create

Create a management operation in Yandex Metrika to modify counters, goals, filters, or other settings through the Management API. Use it to apply changes to your Metrika resources.

Instructions

https://yandex.ru/dev/metrika/ru/management/ Create operation. Body: {"operation": {...}}

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYesJSON request body. For POST/PUT use the structure from API docs (e.g. {"counter": {...}}).
prettyNoPretty-print response (1)
counterIdYesCounter ID

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.2

TDQS

C2.6/5.0
Behavior1/5

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

No annotations are provided, so the description carries the full burden. It only implies a write operation via 'Create' but does not disclose side effects, required permissions, reversibility, or response behavior. This is a serious gap for a mutation tool with zero 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.

Conciseness3/5

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

The description is extremely short (one sentence plus a URL). It is concise but under-specified, lacking any structural organization or key details. It is not bloated, but it sacrifices usefulness for brevity.

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

Completeness1/5

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

For a create operation with a nested body, no output schema, and no annotations, the description is severely incomplete. It does not explain the resource, required fields beyond the schema, response format, error handling, or any operational context. An agent cannot reliably invoke this tool without external documentation.

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 100%, so the baseline is 3. The description adds value by specifying the expected body structure: 'Body: {"operation": {...}}'. This clarifies the required shape beyond the generic schema description, helping the agent format the request correctly.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states the action 'Create operation' with a resource, which is clear enough given the sibling CRUD tools. However, it does not specify what an 'operation' is or differentiate from other mgmt_operation_* tools beyond the verb. It is not a tautology and provides a minimal but functional purpose.

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?

There is no guidance on when to use this tool versus alternatives. It does not mention conditions, prerequisites, or when not to use it. The description only says 'Create operation' with no contextual cues or comparisons to siblings like mgmt_operation_update or mgmt_operation_delete.

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