Islam West Africa Collection (IWAC)

Places on a map

get_place_distribution

Read-onlyIdempotent

Place tags joined to authority coordinates. Separates publication countries from mentioned places; missing geocodes are counted explicitly.

Input Schema

TableJSON Schema

Name	Required	Description
`exact`	No	AND values. Fields: subject/spatial/author/language/country/newspaper/topic_id/min_prob/scored_by; country_raw=whole cell; polarity:<model>.
`top_n`	No	Geocoded places returned (default 60, max 200)
`subset`	No	articles (default) \| publications \| references
`country`	No	Exact country name (accents optional)
`date_to`	No
`keyword`	No
`subject`	No	Exact tag
`date_from`	No	Inclusive date bounds: YYYY[-MM[-DD]]
`newspaper`	No	Newspaper/periodical substring
`hijri_year`	No
`hijri_month`	No
`keyword_mode`	No
`keyword_aliases`	No

Output Schema

TableJSON Schema

Name	Required	Description	Default
`note`	No
`view`	Yes
`places`	Yes
`subset`	Yes
`filters`	Yes
`ungeocoded`	No
`total_matches`	Yes
`geocode_coverage`	No
`items_by_country`	No
`items_with_place`	Yes
`ungeocoded_mentions`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed15 schema fields changedOct 6, 2026

changedInput schema / properties / country / description

Previous value: -"Exact country name: Benin | Burkina Faso | Côte d'Ivoire | Niger | Nigeria | Togo (accents optional)"New value: +"Exact country name (accents optional)"

changedInput schema / properties / date_from / description

Previous value: -"YYYY-MM-DD (or YYYY)"New value: +"Inclusive date bounds: YYYY[-MM[-DD]]"

removedInput schema / properties / date_to / description
```
Removed value: -"YYYY-MM-DD (or YYYY)"
```

addedInput schema / properties / exact

Added value: +{
+  "additionalProperties": {
+    "items": {
+      "type": "string"
+    },
+    "maxItems": 20,
+    "minItems": 1,
+    "type": "array"
+  },
+  "description": "AND values. Fields: subject/spatial/author/language/country/newspaper/topic_id/min_prob/scored_by; country_raw=whole cell; polarity:<model>.",
+  "propertyNames": {
+    "type": "string"
+  },
+  "type": "object"
+}

addedInput schema / properties / hijri_month
```
Added value: +{
+  "type": "string"
+}
```
addedInput schema / properties / hijri_year
```
Added value: +{
+  "type": "integer"
+}
```

removedInput schema / properties / keyword / description

Removed value: -"ONE French concept keyword; substring over the subset's text fields"

addedInput schema / properties / keyword / minLength
```
Added value: +1
```

addedInput schema / properties / keyword_aliases

Added value: +{
+  "items": {
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 12,
+  "type": "array"
+}

addedInput schema / properties / keyword_mode

Added value: +{
+  "enum": [
+    "literal",
+    "all_terms"
+  ],
+  "type": "string"
+}

changedInput schema / properties / newspaper / description

Previous value: -"Newspaper (articles) or periodical/series title (publications)"New value: +"Newspaper/periodical substring"

changedInput schema / properties / subject / description

Previous value: -"Exact subject tag (pipe-aware)"New value: +"Exact tag"

removedInput schema / properties / top_n / maximum
```
Removed value: -9007199254740991
```
removedInput schema / properties / top_n / minimum
```
Removed value: --9007199254740991
```

addedOutput schema / properties / geocode_coverage

Added value: +{
+  "additionalProperties": false,
+  "properties": {
+    "geocoded": {
+      "type": "number"
+    },
+    "total": {
+      "type": "number"
+    }
+  },
+  "required": [
+    "total",
+    "geocoded"
+  ],
+  "type": "object"
+}

Changed2 schema fields changedJul 29, 2026

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"

AddedJul 28, 2026

TDQS

C2.9/5.0

Behavior3/5

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

Annotations already establish readOnly, idempotent, non-destructive, non-open-world behavior, so the safety profile is covered. The description adds real value by disclosing output semantics (separation of publication vs. mentioned places, explicit counting of missing geocodes), but says nothing about filtering behavior, pagination, or how top_n interacts with results.

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?

Two tight sentences with no filler, front-loaded with the core resource mapping. The phrasing is dense to the point of being slightly cryptic ('joined to authority coordinates'), but nothing is wasted.

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?

For a 13-parameter, zero-required-parameter tool with only 54% schema coverage, the description supplies no filtering, scoping, or top_n guidance an agent would need to call it correctly. The output schema covers return values, but the invocation side is largely unaddressed.

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

Parameters2/5

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

Schema description coverage is 54%, so roughly half the parameters lack documentation, and the description contributes no parameter information at all beyond the vague phrase 'place tags'. With 13 parameters including nested exact-filter semantics, the description does not compensate for the coverage gap.

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 names a specific resource (place tags joined to authority coordinates) and what the tool produces (a geographic distribution). It doesn't explicitly distinguish itself from siblings like get_semantic_map, get_country_comparison, or list_locations, so sibling differentiation is left to inference.

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 the many other distribution/map tools in the sibling list. The 'separates publication countries from mentioned places' note is about output composition, not about when to choose this tool.

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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