Overview
Pass a two-letter ISO country code to fetch its border geometry as standard GeoJSON. The response returns a FeatureCollection containing the country name and boundary coordinates as Polygon or MultiPolygon shapes, accommodating both contiguous landmasses and islands.
Live Test Country Boundaries Skill Skill →
The tool
Once your client is connected to the VerveKit server, this appears in its tool list as CountryBoundariesSkill. It is read-only and open-world — it fetches and never mutates anything on your side — so most clients call it without asking you to confirm.
{
"name": "CountryBoundariesSkill",
"arguments": {
"country": "CA"
}
}You do not name the tool yourself; the model picks it. Asking about CA in the terms this skill covers is enough for it to reach for CountryBoundariesSkill on its own — naming it explicitly also works, and is the way to force the call.
Connecting
One server URL covers every skill in the catalog, including this one. Authorization is OAuth: the client opens a browser once, and there is no key to paste into a config file.
{
"mcpServers": {
"vervekit": {
"url": "https://api.vervekit.com/v1/mcp"
}
}
}https://api.vervekit.com/v1/mcpPer-client setup — Claude, Cursor, VS Code, ChatGPT — is on the MCP setup page.
Arguments
These are the properties on the tool's inputSchema, so a well-behaved client validates them before the call is made. Premium arguments are accepted on every plan but only take effect on plans that include them.
| Argument | Type | Description |
|---|---|---|
countryRequired | string | The Country 2 Letter ISO code (e.g., CA) length 2–2 |
What the model gets back
The result carries a structuredContent object matching the tool's declared outputSchema, so a client reads fields without parsing prose. status is "ok" and error is null on success; a null field means the value was not available for that input, not that the call failed.
{
"status": "ok",
"error": null,
"data": {
"features": [
{
"geometry": {
"coordinates": [
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[
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[
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[
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[
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]
]
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
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[
-104.5,
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[
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[
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[
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77.96
],
[
-78.26,
78
],
[
-77.72,
77.61
],
[
-78.69,
77.32
],
[
-81.93,
77.68
],
[
-81.17,
77.34
],
[
-82.17,
77.29
],
[
-81.83,
77.16
],
[
-77.78,
76.79
],
[
-81.05,
76.13
],
[
-80.77,
76.42
],
[
-82.73,
76.82
],
[
-82.13,
76.44
],
[
-89.68,
76.57
],
[
-86.74,
77.17
],
[
-88.07,
77.82
],
[
-84.48,
77.29
],
[
-84.61,
77.39
],
[
-83.46,
77.35
],
[
-83.84,
77.46
],
[
-82.32,
78.07
],
[
-83.9,
77.49
],
[
-84.78,
77.52
],
[
-84.43,
77.72
],
[
-84.95,
77.6
],
[
-85.35,
77.73
],
[
-85.05,
77.83
],
[
-85.4,
77.82
],
[
-84.33,
77.9
],
[
-85.68,
77.93
],
[
-84.13,
78.17
],
[
-84.97,
78.2
],
[
-84.64,
78.59
],
[
-85.49,
78.1
],
[
-87.54,
78.14
],
[
-86.86,
78.73
],
[
-82.34,
78.57
],
[
-83.25,
78.83
],
[
-81.48,
79.05
],
[
-84.75,
79.03
],
[
-83.36,
79.05
],
[
-86.49,
79.76
],
[
-85.26,
79.92
],
[
-86.51,
80.3
],
[
-79.9,
79.65
],
[
-83.2,
80.32
],
[
-78.04,
80.57
],
[
-79.96,
80.61
],
[
-76.48,
80.87
],
[
-78.93,
80.88
],
[
-76.75,
81.44
],
[
-80.92,
80.66
],
[
-85.07,
80.51
],
[
-86.74,
80.6
],
[
-82.36,
81.18
],
[
-87.59,
80.63
],
[
-89.47,
80.91
],
[
-84.73,
81.28
],
[
-89.82,
81.01
],
[
-90.35,
81.17
],
[
-87.24,
81.49
],
[
-91.96,
81.66
],
[
-88.08,
82.1
],
[
-84.6,
81.89
],
[
-86.88,
82.2
],
[
-85.05,
82.48
],
[
-79.23,
81.82
],
[
-82.73,
82.4
],
[
-80.58,
82.55
],
[
-81.47,
82.82
],
[
-78.5,
82.68
],
[
-80.43,
82.89
],
[
-79.79,
82.96
],
[
-75.89,
82.59
],
[
-76.23,
82.44
],
[
-75.4,
82.61
],
[
-77.38,
82.99
],
[
-72.63,
82.69
],
[
-73.65,
82.93
],
[
-70.11,
83.11
]
]
]
],
"type": "MultiPolygon"
},
"id": "CA",
"properties": {
"name": "Canada"
},
"type": "Feature"
}
],
"type": "FeatureCollection"
}
}
Response fields
Paths are relative to data. Premium fields are absent rather than zeroed on plans that do not include them, so check for presence instead of comparing to 0.
| Field | Type | Example | Description |
|---|---|---|---|
features | array[1] | Array of GeoJSON feature objects containing boundary data | |
features.0.geometry | object | {…} | Geometric shape object containing coordinates boundary data |
features.0.geometry.coordinates | array | list of lists | Nested array of longitude and latitude coordinate pairs |
features.0.geometry.type | string | MultiPolygon | Geometry type such as MultiPolygon or Polygon |
features.0.id | string | CA | Country ISO code identifier for the boundary feature |
features.0.properties | object | {…} | Feature properties object with additional metadata |
features.0.properties.name | string | Canada | Full country name corresponding to ISO code identifier |
features.0.type | string | Feature | GeoJSON type identifier for individual feature object |
type | string | FeatureCollection | GeoJSON type identifier for feature collection |
Failure modes
Errors come back as tool errors carrying a sentence the model can act on, not a bare status code. Error handling covers the full list.
| Status | What it means |
|---|---|
400 / 422 | The arguments did not validate. The message names the offending one. |
401 | The OAuth session is invalid or expired — reconnect the server. |
403 | Blocked by a key restriction or an IP allow-list. Never a bad identity. |
404 | This skill is not part of VerveKit. Check the catalog. |
429 | Out of credits, or a brief rate limit. The message tells them apart. |
A call costs 10 credits each time the tool actually runs; a model that reasons about the tool without calling it costs nothing.
Use cases
- Interactive Map Highlighting
- Web developers feed the GeoJSON polygon coordinates into mapping libraries like Leaflet or Mapbox to shade selected nations on click.
- Territory Geofencing
- Logistics systems verify whether GPS points fall within official national border coordinates to trigger country-specific routing and compliance rules.
- Regional Sales Visualizations
- Analytics dashboards color-code market penetration by overlaying country border boundaries directly onto global business reporting maps.
- Spatial Database Population
- Ingest boundary coordinates into PostGIS or BigQuery to run spatial containment queries against user location records.
Other ways to use Country Boundaries Skill
Set up Country Boundaries Skill on VerveKit, or reach the same source a different way. Your VerveKit account and credits work on all of them — one key, one balance.
Call it as a REST APIOne HTTPS endpoint and an x-api-key header, with SDKs for Node, Python and .NET.APIVerve →Reference →
Google Sheets or ExcelA =VERVE() formula fills a column — no script, no export, recalculates in place.VerveSheets →Reference →
Ground an agent on itA cited, machine-checkable fact your model can't produce on its own.VerveContext →Reference →
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