# coops.tides.conditions

Get observed meteorological data from a NOAA CO-OPS station. Supports five products: air_temperature (°F or °C), water_temperature (sea surface °F or °C), air_pressure (millibars), humidity (relative humidity %), and wind (speed and direction — available at select stations). Returns 6-minute interval readings for the specified date range (default: last 24 hours) plus the most recent reading for quick lookups. Note: not all stations have all sensors — if a product is unavailable at the requested station, the API returns an error. Try station 8443970 (Boston) for air_temperature, 9414290 (San Francisco) for water_temperature. Source: NOAA CO-OPS — tidesandcurrents.noaa.gov. No auth, US Gov public domain.

Agent View of the PolicyLayer registry record for `coops.tides.conditions`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/coops.tides.conditions

## Facts

- Tool: `coops.tides.conditions`
- 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: 6 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | integer | no | Maximum number of recent readings to return (1–500). Readings are at 6-minute intervals. Defaults to 60 (last 6 hours). |
| `units` | string | no | Unit system: english = °F / knots / feet, metric = °C / m/s / meters. Defaults to english. |
| `product` | string | no | Meteorological product to retrieve. air_temperature = air temp in °F (or °C), water_temperature = sea surface temp, air_pressure = barometric pressure in mb, hu |
| `end_date` | string | no | End date for observations in YYYY-MM-DD or YYYYMMDD format (e.g. 2025-07-02). Defaults to today. Maximum range: 31 days. |
| `begin_date` | string | no | Start date for observations in YYYY-MM-DD or YYYYMMDD format (e.g. 2025-07-01). Defaults to yesterday. Maximum range: 31 days. |
| `station_id` | string | yes | NOAA CO-OPS station ID (4–7 digits, e.g. 8443970 for Boston MA). Find station IDs with the coops.tides.stations tool. |

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": "coops.tides.conditions",
    "arguments": {
      "station_id": "<station_id>"
    }
  }
}
```

## Why coops.tides.conditions is rated Low

Tool retrieves historical weather observation data with no side effects or modifications.

From the tool's own definition: "Get observed meteorological data from NOAA CO-OPS station. Returns readings, no modifications."

## Use case

AI agents call coops.tides.conditions 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": {
    "coops.tides.conditions": {}
  }
}
```

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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