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PropertyPulse for Claude · MCP connector + skill

NYC property teardowns in your own Claude

Connect PropertyPulse, and Claude answers questions about any NYC address from the city’s own records: ACRIS deeds and mortgages, PLUTO zoning, Finance, HPD and DOB. Every number comes with its source and date.

  • ACRIS
  • PLUTO
  • DOF
  • HPD
  • DOB

Connector URL

Read-only

https://backend.app.propertypulse.ai/mcp

Download the skill propertypulse-nyc.zip

Free with a PropertyPulse account. Setup takes about two minutes on a computer.

01 Setup

Set it up in three steps

Before you start

  • Any Claude plan works, Free included. Free plans allow one custom connector.1
  • Skills need code execution turned on. Step 2 covers it.2
  • Use a computer, since step 2 uploads a file.

  1. Add the connector

    1. In Claude on the web or the desktop app, go to Customize, then Connectors.
    2. Click + Add, then Add custom connector.
    3. Name it PropertyPulse, paste this URL, and click Continue.

      https://backend.app.propertypulse.ai/mcp

    4. Keep the detected settings and click Continue. Under Authentication choose Sign in now, leave the OAuth client on the recommended option, and click Add.
    5. Sign in to PropertyPulse when asked, or create a free account.

    On a Team or Enterprise plan, an owner adds the connector once: Organization settings, then Connectors, then Add, Custom and Web, with the same name and URL. Everyone else finds PropertyPulse under Customize, then Connectors, and clicks Connect.1

  2. Add the skill

    1. Go to Settings, then Capabilities, and make sure Code execution and file creation is on. Newer layouts call it Create and edit files.
    2. Go to Customize, then Skills. Click +, then + Create skill, then Upload a skill.
    3. Choose propertypulse-nyc.zip as downloaded, without unzipping it.
      Download the skill propertypulse-nyc.zip

    The connector brings the records. The skill tells Claude how to use them: the teardown format, the NYC record rules and what never to guess. On an Enterprise plan, an owner has to turn on Skills and code execution first.2

  3. Ask your first question

    1. Start a new chat. Click +, then Connectors, and check that PropertyPulse is switched on.
    2. Ask:
      Teardown 518 Court St, Brooklyn
    3. The first time Claude uses a PropertyPulse tool, it asks for approval. The tools only read records, so you can choose Allow always.

02 Prompts

What to ask

Plain English works. These are good first questions.

  • Teardown 518 Court St, Brooklyn

    Owner, mortgages of record, violations, zoning capacity and rent stabilization in one answer, with sources.

  • Who owns 1095 Bedford Ave, Brooklyn, and what's recorded against it?

    Owner of record, years held, the last arm's-length sale and the mortgage chain from ACRIS.

  • Find walk-ups in Bed-Stuy held 25+ years with open class C violations

    A screen of matching buildings, each with its sale signals and a seller-likelihood band.

  • What can be built on 518 Court St, Brooklyn?

    Zoning, as-of-right FAR, built FAR and unused floor area, with split lots flagged for review.

  • Check this listing: [paste the listing text or a link]

    Each claim in the listing checked against city records: it matches, it contradicts them, or records can't confirm it.

03 Data integrity

Gaps get labeled, not filled in

Each value comes back with the dataset it came from and its as-of date. When a record is missing, Claude says which kind of gap it is instead of estimating.

NO RECORD
The source was checked and holds nothing. That can matter, like a building with no mortgage recorded in 25 years.
NOT CONNECTED
PropertyPulse doesn't read that source yet, so Claude won't answer from the web instead.
NEEDS REVIEW
Records exist but conflict, like a lot split across zoning districts or unit counts that disagree.
LOCKED
Available in a PropertyPulse plan, with a link to the plan that includes it.

It also knows where NYC records mislead: package deeds that cover several lots, CEMA refinances that leave old mortgages on record, co-op apartments that have no deeds, and Staten Island deeds that sit outside ACRIS.3

04 Access

What’s free and what’s in a plan

tier: free

Free account

  • Lookups on any property in the five boroughs: zoning, lot and building data, tax class, exemptions and rent stabilization status
  • Deed and mortgage history from ACRIS, with package deeds and CEMA refinances sorted out
  • Violations, lien-sale listings, lis pendens, years held and a seller-likelihood band
  • Screens for likely sellers by neighborhood, within daily limits
tier: paid

PropertyPulse plans, from $79 a month

LOCKED in a free account

  • Owner contact details
  • Valuations
  • Capital Analyst financing and rate stress tests
  • Saved monitors, alerts and exports
  • Bigger screens and higher daily limits
See plans

05 Permissions

Privacy and permissions

  • The connector only reads records. It can’t change anything in Claude or in your other accounts.
  • PropertyPulse receives what Claude sends its tools, such as an address, screen filters or the claims from a listing. It doesn’t see your conversations.
  • Owner phone numbers and emails never pass through Claude. They stay in the PropertyPulse terminal under permissible-use rules.
  • To disconnect, go to Customize, then Connectors, and remove PropertyPulse.

06 Troubleshooting

If something doesn’t work

Claude says PropertyPulse isn’t connected

In the chat, click +, then Connectors, and switch PropertyPulse on. If it isn’t in the list, repeat step 1.

Claude answered without the teardown format

Check that propertypulse-nyc is switched on under Customize, then Skills. You can also start your question with “Use the PropertyPulse skill”.2

The skill upload failed

Upload the ZIP exactly as downloaded. If your browser unzipped it into a folder, compress the propertypulse-nyc folder back into a ZIP and upload that.

I can’t add another custom connector

Free Claude plans allow one custom connector. Remove the one you have, or move to a paid Claude plan.1

There’s no Add custom connector option in my work account

On Team and Enterprise plans, only an owner can add connectors. Send them this page.1

Does it cover Staten Island?

Yes for parcels, zoning and violations. Staten Island deeds are kept by the Richmond County Clerk rather than in ACRIS, so deed history there comes back as not connected.3

Is this legal, tax or investment advice?

No. It reports public records and labels what it can’t confirm. Check anything you rely on with your own attorney, accountant or lender.

07 References

Sources

  1. Anthropic Help Center, Get started with custom connectors using remote MCP
  2. Anthropic Help Center, Use skills in Claude
  3. New York Public Library, researching property ownership: ACRIS covers Manhattan, Queens, the Bronx and Brooklyn

Not legal, tax or investment advice. Claude is made by Anthropic. PropertyPulse is not affiliated with Anthropic.

Skill version 1.0, November 2026.