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ztemerbekov

A1 Yandex KIT MCP

by ztemerbekov
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

List news articles

list_blogs
Read-only

List store news articles with pagination. The coverage envelope shows whether the listing is partial; avoid claiming completeness on partial results.

Instructions

List store news articles (paginated). The response carries a machine-readable coverage envelope (coverage, received, total_count, pages_read); coverage:"partial" MUST be reflected in the user-facing answer and forbids claiming the listing is complete.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
allNoFetch all pages via auto-pagination, up to 500 items; ignores page/per_page.
pageNoPage number, starting at 1 (default 1).
fieldsNoCSV columns; only valid together with format:"csv". Field names are validated against the item schema of the operation's response — an unknown name fails with the list of allowed fields. Default: every top-level scalar field of the item.
formatNoOutput format: "csv" renders the items as RFC 4180 CSV (a leading "# coverage:" comment line, then the header row) instead of JSON — cheaper for wide exports. Default: JSON.
per_pageNoItems per page, 1-100 (default 25). Values outside the range are clamped.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changedv1.6.0
    • addedInput schema / properties / fields
      Added value: +{
+  "description": "CSV columns; only valid together with format:\"csv\". Field names are validated against the item schema of the operation's response — an unknown name fails with the list of allowed fields. Default: every top-level scalar field of the item.",
+  "items": {
+    "type": "string"
+  },
+  "minItems": 1,
+  "type": "array"
+}
    • addedInput schema / properties / format
      Added value: +{
+  "description": "Output format: \"csv\" renders the items as RFC 4180 CSV (a leading \"# coverage:\" comment line, then the header row) instead of JSON — cheaper for wide exports. Default: JSON.",
+  "enum": [
+    "csv"
+  ],
+  "type": "string"
+}
  2. Addedv1.5.0

TDQS

A4.2/5.0
Behavior5/5

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

Beyond the readOnlyHint annotation, the description discloses two important behaviors: results are paginated, and the response includes a machine-readable coverage envelope with specific fields. It also imposes a clear output obligation when coverage is 'partial', which is high-value context an agent needs to avoid misleading users.

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 compact: a one-sentence purpose statement followed by one sentence on the critical coverage contract. No filler or repetition of schema details.

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?

With no output schema, the description compensates by specifying the coverage envelope fields and the required handling of partial coverage. It stops short of describing the item shape or defaults like JSON output, but those are either schema-covered or not required to 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 coverage is 100%, so the schema fully documents all five optional parameters. The description adds the pagination context but no extra parameter-level details, which aligns with the baseline of 3.

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 opens with a specific verb and resource: 'List store news articles,' clarifying that the tool enumerates blog/news items rather than acting on a single one. This separates it from siblings like get_blog, create_blog, and update_blog, even without naming them.

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 implies the tool should be used whenever store news articles need to be listed, but it does not explicitly state when to prefer it over alternatives or mention any exclusions. There is no explicit guidance such as 'for a single article, use get_blog', so usage context is implied rather than stated.

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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