# adw.adw_543

Returns a 0-100 US used general-aviation aircraft market liquidity score (listings-to-registered-fleet turnover for major GA makes: Cessna, Piper, Cirrus) with trend, per-make turnover in top_drivers, price-band distribution, confidence, and methodology_version. Call when the user asks about used aircraft market liquidity, GA resale demand, or which makes sell fastest, or when timing an aircraft purchase, sale, consignment intake, or collateral valuation. Updates: monthly.

Agent View of the PolicyLayer registry record for `adw.adw_543`. HTML page: https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-543

## Facts

- Tool: `adw.adw_543`
- Server: AlpineDataWorks Intelligence Server (`https://api.alpinedataworks.com/mcp`) — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server.md
- Homepage: https://github.com/https://api.alpinedataworks.com/mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server CORS policy: *
- Server rate-limited: no
- Parameters: 1
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `days` | integer | no | Optional: return a daily HISTORY series of the last N days (up to 5 years of real archived data) instead of the current snapshot. History requires Gold tier; wi |

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": "adw.adw_543",
    "arguments": {}
  }
}
```

## Why adw.adw_543 is rated Low

Even though adw.adw_543 only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

## Use case

AI agents call adw.adw_543 to retrieve information from AlpineDataWorks Intelligence Server 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 AlpineDataWorks Intelligence Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "adw.adw_543": {}
  }
}
```

## Other tools on AlpineDataWorks Intelligence Server (317)

- `adw.adw_504` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-504.md
- `adw.adw_505` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-505.md
- `adw.adw_524` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-524.md
- `adw.adw_550` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-550.md
- `adw.adw_557` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-557.md
- `adw.adw_563` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-563.md
- `adw.adw_613` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-613.md
- `adw.adw_p14` — Execute — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-p14.md
- `adw.adw_001` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-001.md
- `adw.adw_002` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-002.md
- `adw.adw_003` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-003.md
- `adw.adw_004` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-004.md
- `adw.adw_005` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-005.md
- `adw.adw_006` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-006.md
- `adw.adw_007` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-007.md
- `adw.adw_008` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-008.md
- `adw.adw_009` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-009.md
- `adw.adw_010` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-010.md
- `adw.adw_015` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-015.md
- `adw.adw_016` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-016.md
- `adw.adw_017` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-017.md
- `adw.adw_018` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-018.md
- `adw.adw_019` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-019.md
- `adw.adw_020` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-020.md
- `adw.adw_021` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-021.md
- `adw.adw_023` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-023.md
- `adw.adw_024` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-024.md
- `adw.adw_026` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-026.md
- `adw.adw_027` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-027.md
- `adw.adw_028` — Read — https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server/adw.adw-028.md
- …and 287 more: https://policylayer.com/tools/com-alpinedataworks-adw-intelligence-server.md

## 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=com-alpinedataworks-adw-intelligence-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-alpinedataworks-adw-intelligence-server