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Islam West Africa Collection (IWAC)

List periodicals

list_periodicals
Read-onlyIdempotent

List the Islamic periodical/series titles in the publications subset, with issue counts and year ranges. Use the returned newspaper value as the newspaper filter on search_publications.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countryNoExact country name: Benin | Burkina Faso | Côte d'Ivoire | Niger | Togo (accents optional)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
viewYes
periodicalsYes
country_filterNo
total_periodicalsYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • changedOutput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed2 schema fields changed
    • addedOutput schema / properties / view
      Added value: +{
      +  "type": "string"
      +}
    • changedOutput schema / required
      Previous value: -[
      -  "total_periodicals",
      -  "periodicals"
      -]New value: +[
      +  "view",
      +  "total_periodicals",
      +  "periodicals"
      +]
  3. Changed2 schema fields changed
    • removedInput schema / additionalProperties
      Removed value: -false
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "country_filter": {
      +      "type": "string"
      +    },
      +    "periodicals": {
      +      "items": {
      +        "additionalProperties": {},
      +        "properties": {},
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "total_periodicals": {
      +      "type": "number"
      +    }
      +  },
      +  "required": [
      +    "total_periodicals",
      +    "periodicals"
      +  ],
      +  "type": "object"
      +}
  4. First observed

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, and non-destructive behavior. The description adds context by specifying the exact output fields (issue counts, year ranges) and the 'Islamic periodical/series' scope, which goes beyond the structured annotations.

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 two concise sentences with no filler. The first sentence states the action and scope; the second provides actionable next-step guidance. Every word earns its place.

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

Completeness5/5

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

For a simple list tool with one optional parameter, a rich annotation set, and an output schema, the description fully covers the essential context: what the tool returns, its scope, and how the output should be used downstream.

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% because the sole `country` parameter is fully described with exact allowed values. The description adds no additional parameter detail, so the baseline score of 3 applies.

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 uses a specific verb ('List') and clearly identifies the resource ('Islamic periodical/series titles in the publications subset') plus the included data ('issue counts and year ranges'). This distinguishes it from sibling list tools like list_locations or list_audiovisual.

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

Usage Guidelines5/5

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

It provides explicit usage guidance: 'Use the returned newspaper value as the `newspaper` filter on search_publications.' This tells the agent when and how to use the tool relative to a concrete alternative, making the intended workflow 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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