# NYC Property Facts

> Public records for any NYC property by address or BBL: permits, violations, sales, owners.

- name: io.github.jueluddinsf/nyc-property-facts
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 80/100 flags: no-repository
- quality: 92/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.jueluddinsf%2Fnyc-property-facts
- tools: https://api.protogrid.dev/v1/servers/io.github.jueluddinsf%2Fnyc-property-facts/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "nyc-property-facts": {
      "type": "http",
      "url": "https://nycpropertyfacts.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 45
- drivers: +website +reachable +uptime-100% +updated-7d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 92/100 (new)

### protocol: 100 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000)

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 86 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 5 of 5 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: lookup_property (destructiveHint); get_property (destructiveHint); list_open_issues (destructiveHint); …
- pass `tools.token_cost`: about 1,140 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 6 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 5, about 1,140 tokens to load them all
- tool set hash: faa59e065b5d650a6c83f3af0a1b4fda
- tools last changed: 2026-11-01T07:18:58.003Z
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.jueluddinsf/nyc-property-facts.svg)](https://protogrid.dev/servers/io.github.jueluddinsf/nyc-property-facts)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-01 `search_properties` changed (description, inputSchema)
  - before: List tax lots on a street (prefix match, e.g. "Grattan St") and/or in a ZIP code, with address, building class, units, owner of record and open-item count. Paginate with limit/offset.
  - after: List tax lots on a street (prefix match, e.g. "Grattan St") and/or in a ZIP code, with address, building class, units, owner of record and open-item count. Requires "street" and/or "zip"; borough and house_number only narrow the search. Paginate with limit/offset; total is the number of matches.
- 2026-11-01 `get_sales_history` changed (description, inputSchema)
  - before: Deeds recorded with the NYC City Register (ACRIS) for a property: date, stated price (0 = non-market transfer), grantors, grantees, and whether the deed covers several lots.
  - after: Deeds recorded with the NYC City Register (ACRIS) for a property: date, stated price (0 = non-market transfer), grantors, grantees, and whether the deed covers several lots. Requires one of "address", "bbl" or "bin".
- 2026-11-01 `list_open_issues` changed (description, inputSchema)
  - before: List every open item for a property: DOB jobs with a permit issued but no sign-off, active DOB and ECB violations, open HPD violations, and OATH tickets with an unpaid balance or a pending hearing. Each record has status, dates, a plain-English description and its source dataset.
  - after: List every open item for a property: DOB jobs with a permit issued but no sign-off, active DOB and ECB violations, open HPD violations, and OATH tickets with an unpaid balance or a pending hearing. Each record has status, dates, a plain-English description and its source dataset. Requires one of "address", "bbl" or "bin".
- 2026-11-01 `get_property` changed (description, inputSchema)
  - before: Return the full fact sheet for a tax lot by 10-digit BBL (borough-block-lot, e.g. 3030090016) or by 7-digit DOB building number (BIN).
  - after: Return the full fact sheet for a tax lot by 10-digit BBL (borough-block-lot, e.g. 3030090016) or by 7-digit DOB building number (BIN). Requires "bbl" or "bin" (if both are sent, bbl is used).
- 2026-11-01 `lookup_property` changed (description, inputSchema)
  - before: Resolve a free-text NYC address to its tax lot (BBL) and return the property facts: summary, owner of record, building, assessment, last priced deed and open-item counts. Returns the best match with a 0-1 confidence and up to 4 alternatives. Use get_property for a known BBL/BIN.
  - after: Resolve a free-text NYC address to its tax lot (BBL) and return the property facts: summary, owner of record, building, assessment, last priced deed and open-item counts. Returns the best match with a 0-1 confidence, a plain-English confidence_explanation, a machine-readable match_type, the HTML/Markdown/JSON URLs and up to 4 alternatives. Requires "address". Use get_property for a known BBL/BIN.

Full history: https://api.protogrid.dev/v1/servers/io.github.jueluddinsf%2Fnyc-property-facts/changes

## Remotes

- https://nycpropertyfacts.com/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (5)

- `get_property`: Return the full fact sheet for a tax lot by 10-digit BBL (borough-block-lot, e.g. 3030090016) or by 7-digit DOB building number (BIN). Requires "bbl" or "bin" (if both are sent, bbl is used).
- `get_sales_history`: Deeds recorded with the NYC City Register (ACRIS) for a property: date, stated price (0 = non-market transfer), grantors, grantees, and whether the deed covers several lots. Requires one of "address", "bbl" or "bin".
- `list_open_issues`: List every open item for a property: DOB jobs with a permit issued but no sign-off, active DOB and ECB violations, open HPD violations, and OATH tickets with an unpaid balance or a pending hearing. Each record has status, dates, a plain-English description and its source dataset. Requires one of "address", "bbl" or "bin".
- `lookup_property`: Resolve a free-text NYC address to its tax lot (BBL) and return the property facts: summary, owner of record, building, assessment, last priced deed and open-item counts. Returns the best match with a 0-1 confidence, a plain-English confidence_explanation, a machine-readable match_type, the HTML/Markdown/JSON URLs and up to 4 alternatives. Requires "address". Use get_property for a known BBL/BIN.
- `search_properties`: List tax lots on a street (prefix match, e.g. "Grattan St") and/or in a ZIP code, with address, building class, units, owner of record and open-item count. Requires "street" and/or "zip"; borough and house_number only narrow the search. Paginate with limit/offset; total is the number of matches.