# property.nyc-deed-history

NYC ACRIS deed + mortgage history for a BBL. Each row carries a documentId you can use to drill into the ACRIS master dataset (URL pattern in response).

Agent View of the PolicyLayer registry record for `property.nyc-deed-history`. HTML page: https://policylayer.com/tools/io-github-2s-io-mcp/property.nyc-deed-history

## Facts

- Tool: `property.nyc-deed-history`
- Server: Mcp (`@2sio/mcp`) — https://policylayer.com/tools/io-github-2s-io-mcp.md
- Install: `npx -y @2sio/mcp`
- Homepage: https://github.com/2s-io/sdk
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "property.nyc-deed-history",
    "arguments": {}
  }
}
```

## Why property.nyc-deed-history is rated Low

This is a straightforward data retrieval tool that queries publicly available or legally accessible property records. It returns historical documents and metadata without creating, modifying, or deleting information. While property data can be sensitive, this tool merely reads existing records—a typical Read operation.

From the tool's own definition: "Tool retrieves historical deed and mortgage records for a NYC property identified by BBL (Borough-Block-Lot)."

## Use case

AI agents call property.nyc-deed-history to retrieve information from Mcp 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 Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "property.nyc-deed-history": {}
  }
}
```

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- `store.kv-delete` — Destructive — https://policylayer.com/tools/io-github-2s-io-mcp/store.kv-delete.md
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- …and 541 more: https://policylayer.com/tools/io-github-2s-io-mcp.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=io-github-2s-io-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-2s-io-mcp