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nikolaymokh-dev

vk-ads-mcp

list_banners

List individual ads (banners) with filters for campaign and ad group, supporting pagination and field selection.

Instructions

List banners (individual ads).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
campaign_idNo
ad_group_idNo
limitNo
offsetNo
fieldsNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

Annotations are absent, so the description must disclose behavioral traits. It only states 'List banners' without mentioning that it's a read operation, requires authentication, or how pagination works. The description does not add beyond the tool name.

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?

The description is a single sentence that effectively states the purpose without extraneous words. It is front-loaded with the action and resource, and every word earns its place.

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?

Given the tool has 5 parameters and no annotations, the description is too minimal. It does not explain filtering, pagination, or the return format (though an output schema exists but is not shown). The description leaves significant gaps for an agent to use correctly.

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

Parameters1/5

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

The schema has 0% description coverage for all 5 parameters, and the description does not mention any parameters. The description fails to add meaning about campaign_id, ad_group_id, limit, offset, or fields, which are crucial for correct invocation.

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 the action ('List') and resource ('banners'), and clarifies that banners are 'individual ads.' This distinguishes it from sibling tools like get_banner (singular) or list_ad_groups (different resource).

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. There is no mention of filtering, prerequisites, or context in which this tool is appropriate.

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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