# geonames.place.search

Search the GeoNames geographical database for places, populated areas, mountains, rivers, and 12M+ geographical features worldwide. Filter by country (ISO-3166 2-letter code), feature class (A=administrative, P=populated place, T=mountain, H=water body, S=building/spot), and feature code (e.g. PPLC=capital, MT=mountain, STM=stream). Results include geoname_id, lat/lng, country, admin1/admin2, population, and Wikipedia link. Order by relevance (default), population, elevation, or Wikipedia linkage. Supports multilingual name lookup via lang parameter. CC BY 4.0 open data, no upstream cost.

Agent View of the PolicyLayer registry record for `geonames.place.search`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/geonames.place.search

## Facts

- Tool: `geonames.place.search`
- Server: Apibase (`apibase-mcp-client`) — https://policylayer.com/tools/io-github-whiteknightonhorse-apibase.md
- Install: `npx -y apibase-mcp-client`
- Homepage: https://github.com/whiteknightonhorse/APIbase
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 9
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `q` | string | no | Full-text search query across place names, alternate names, and feature codes (e.g. "Paris", "Mont Blanc") |
| `name` | string | no | Search by exact or partial official place name (more precise than q; e.g. "New York") |
| `country` | string | no | Filter results to this ISO-3166 2-letter country code (e.g. "US", "FR", "DE") |
| `language` | string | no | ISO 639-1 language code for localized names in the response (e.g. "en", "fr", "de") |
| `max_rows` | integer | no | Maximum number of results to return (default 10, max 1000) |
| `order_by` | string | no | Sort order: "relevance" (default, best name match), "population" (largest first), "elevation" (highest first), "wikipedia" (most linked) |
| `start_row` | integer | no | Zero-based offset for pagination (default 0) |
| `feature_code` | string | no | GeoNames feature code for fine-grained filtering (e.g. "PPLC"=capital, "MT"=mountain, "STM"=stream) |
| `feature_class` | string | no | GeoNames feature class: A=administrative, H=hydrographic, L=parks/area, P=populated place, R=road, S=spot/building, T=mountain/hill, U=undersea, V=vegetation |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "geonames.place.search",
    "arguments": {}
  }
}
```

## Why geonames.place.search is rated Low

Tool queries a read-only geographical database and returns location information without side effects.

From the tool's own definition: "Search geographical database for places, features; returns location data with no modification capability."

Risk signals: Admin/system-level operation

## Use case

AI agents call geonames.place.search to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Apibase:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "geonames.place.search": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-whiteknightonhorse-apibase · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-whiteknightonhorse-apibase
