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list_guides

Read-onlyIdempotent

The site's Guides: evergreen buying-guide pages served at /guides/{id}. Returns every guide in display order with its id, heading, lede, reviewed date and draft flag. A guide's full content (contenders, choose, howToChoose, faqs, sources) is on the object itself: get_object with collection "guides".

Returns: paginated guides objects with url per item.

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": "list_guides"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault
itemsYesMatching guides objects, each decorated with a `url` field where the collection has a public URL pattern configured. Field set varies by collection — call describe_collection for the schema.
limitYesCap applied to this response — server may have lowered the requested limit.
totalYesTotal matching items (post-persona-filter).
offsetYes
has_moreYesTrue when total > offset + count(items); call again with offset += limit to paginate.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / properties / items / description
      Previous value: -"Matching roundups objects, each decorated with a `url` field where the collection has a public URL pattern configured. Field set varies by collection — call describe_collection for the schema."New value: +"Matching guides objects, each decorated with a `url` field where the collection has a public URL pattern configured. Field set varies by collection — call describe_collection for the schema."
  2. First observed

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive and closed-world, so the safety profile is covered; the description adds the ordering guarantee (display order), pagination behavior, a per-item url, and the presence of a draft flag. The one soft spot is that it says results are paginated while the tool takes zero parameters, leaving the paging mechanism unexplained.

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

Conciseness4/5

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

Front-loaded with the identity and URL shape, then the return contents, then the pointer to get_object. Mostly earned, though the trailing 'Returns: paginated guides objects with url per item' partially restates the preceding sentence and a real output schema exists.

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 an output schema present, the description needn't spell out return shapes, yet it still names the key fields and the detail-lookup path, which is enough to call confidently. The only omission is how pagination is driven on a zero-parameter 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?

The tool takes no parameters, so there is nothing to disambiguate and the baseline applies. The description correctly spends no space on parameter prose, instead documenting what comes back and where deeper detail lives.

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?

States a specific verb and resource ('The site's Guides... Returns every guide in display order') and pins down scope with the URL shape /guides/{id} and the returned fields. It also separates itself from get_object by saying full content lives on the object, so an agent can pick between the two without opening a schema.

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

Usage Guidelines4/5

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

Makes the use case explicit (enumerate all guides in display order) and routes the agent to the alternative, get_object with collection "guides", when full content is needed. It stops short of stating any exclusions or preconditions for listing, but the boundary with the sibling is clear.

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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