# copernicus-sentinel.imagery.search

Search the Copernicus Data Space Ecosystem STAC catalog for Sentinel satellite scenes covering an area and date range, with optional maximum cloud cover filter and sort by date or cloudiness. Returns scene IDs, acquisition time, cloud cover, and a quicklook thumbnail URL for each match. Data: ESA/EU Copernicus Sentinel program, public STAC catalog, no auth required.

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

## Facts

- Tool: `copernicus-sentinel.imagery.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: 10 (2 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `lat` | number | no | Latitude of a point of interest. Use with "lon" (and optional "radius_km") instead of bbox. |
| `lon` | number | no | Longitude of a point of interest. Use with "lat" (and optional "radius_km") instead of bbox. |
| `bbox` | array | no | Bounding box [min_lon, min_lat, max_lon, max_lat] in WGS84 decimal degrees. Provide this OR lat + lon. |
| `sort` | string | no | Sort order: "date_desc" (newest first, default) or "cloud_asc" (least cloudy first). |
| `limit` | integer | no | Maximum number of scenes to return (default 10, max 50). |
| `end_date` | string | yes | End of the acquisition date range, format YYYY-MM-DD. |
| `radius_km` | number | no | Search radius in kilometers around lat/lon (default 20, max 500). Ignored if bbox is given. |
| `collection` | string | no | STAC collection ID to search (default "sentinel-2-l2a"). Other common values: "sentinel-1-grd" (radar), "sentinel-2-l1c" (top-of-atmosphere optical), "sentinel- |
| `start_date` | string | yes | Start of the acquisition date range, format YYYY-MM-DD. |
| `max_cloud_cover` | number | no | Maximum acceptable cloud cover percentage (0-100). Applies to optical collections like Sentinel-2; omit for radar collections such as Sentinel-1. |

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": "copernicus-sentinel.imagery.search",
    "arguments": {
      "end_date": "<end_date>",
      "start_date": "<start_date>"
    }
  }
}
```

## Why copernicus-sentinel.imagery.search is rated Low

Queries public satellite imagery metadata catalog; retrieves information only, no side effects.

From the tool's own definition: "Search STAC catalog, returns scene IDs and metadata, no auth required"

Risk signals: High parameter count (10 properties)

## Use case

AI agents call copernicus-sentinel.imagery.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": {
    "copernicus-sentinel.imagery.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