Hercules property data
NYC and US property records: owners, LLC officers, mortgages, pre-foreclosures and investors.
Connect it
Settings → Connectors → Add custom connector
URL: https://app.hercules.properties/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://app.hercules.properties/mcp{
"mcpServers": {
"property-data": {
"url": "https://app.hercules.properties/mcp"
}
}
}claude mcp add --transport http property-data https://app.hercules.properties/mcp{
"servers": {
"property-data": {
"type": "http",
"url": "https://app.hercules.properties/mcp"
}
}
}24 tools, verified live
get_hercules_overviewread-onlyFree, no sign-in. Describes Hercules: what it covers (every NYC tax lot, NYC pre-foreclosures, nationwide US property records, LLC owners and investors), every tool and whether it spends credits, plan and credit prices, and how to connect an account. Call it first when the user asks what Hercules can do or what it costs.
buy_creditsBuy a credit pack with a machine payment (Stripe MPP: card through a shared payment token, or stablecoin). No account or sign-in needed. Packs: starter_80 = 80 credits for $9.99; pack_200 = 200 credits for $24.99; pack_550 = 550 credits for $59.99; pack_1500 = 1500 credits for $149.99. Pay by card (Stripe Link shared payment token, the default) or by stablecoin (USDC on Tempo): set method. The fir
get_credit_balanceread-onlyShows the credit balance of the user's workspace, credits spent today, and recent charges. Free; never spends credits. Use it when the user asks about credits, or before a search that would cost more than the balance.
search_nyc_preforeclosuresread-onlySearches NYC properties in preforeclosure only: lis pendens foreclosure filings in Manhattan, Brooklyn, Queens, the Bronx and Staten Island. For one NYC property by address use find_nyc_property; for filtered searches or properties outside NYC use the national property search tools. Filters: borough, foreclosure stage, equity, case age, recently added, market value and amount owed. Returns summary
run_nyc_preforeclosure_searchSpends credits. Returns the NYC preforeclosure rows from a quote made by search_nyc_preforeclosures and charges the quoted credits (never more). Before calling, tell the user how many credits it costs and get their go-ahead. Quotes expire after 10 minutes and run once.
get_nyc_preforeclosure_detailSpends 1 credit, unless this workspace already pulled the record, then free. Returns the full record for one NYC preforeclosure: case and index number, stage, lender, amounts owed and due, mortgage, owner of record and building facts. NYC preforeclosures only; take the id from search_nyc_preforeclosures. Tell the user it costs 1 credit before calling.
quote_national_property_searchread-onlyQuotes a search of national property data: any US property, including NYC properties that are not in preforeclosure. Filters: place (state plus zip, city or county), property type, beds, baths, value, equity, year built, distress flags (preforeclosure, foreclosure, auction, bank-owned, vacant, absentee owner, high equity, free and clear, inherited) and owner filters (company-owned, out-of-state ow
run_national_property_searchReturns the property records from a quote made by quote_national_property_search. Spends credits. Takes only a quote_id. Charges for the records returned, never more than the quote, and releases the rest. Before calling, the user must have agreed to the quoted credit cost. A quote runs once and expires after 10 minutes. Use get_property_detail on a record id for the full record.
get_property_detailSpends 2 credits, unless this workspace pulled the same property in the last 7 days, then free. Returns the full record for one property from a national search: owners of record, building and lot, value and equity, open mortgages and lenders, foreclosure filings and last sale. Take property_id (it starts with "prop_") from run_national_property_search or run_active_investor_search. Tell the user i
quote_active_investor_searchread-onlyFinds who is actively buying in an area: properties in a zip, city or county owned by investors, grouped by owner when run. By default it looks for owners of 2+ properties who bought in this area in the last 12 months. Options: minPurchasesLast12Months keeps owners who bought at least N properties in the last 12 months. That count covers the owner's whole portfolio, not only this area, so it is th
run_active_investor_searchReturns the investors and their properties from a quote made by quote_active_investor_search, grouped by owner with portfolio size and purchases in the last 12 months. Spends credits. Takes only a quote_id. Charges for the records returned, never more than the quote, and releases the rest. Before calling, the user must have agreed to the quoted credit cost. A quote runs once and expires after 10 m
find_nyc_propertyread-onlyFree. Finds New York City tax lots by address, e.g. "40 Water Street Manhattan". Returns each match's BBL for get_nyc_property. NYC only; for other US properties use the national property tools.
get_nyc_propertyread-onlyFree. Returns the public facts for one NYC lot (building, lot, units, year built, city market value, last sale) and the owner of record from the city lot file. Also says whether the full report is already unlocked for this workspace and what unlock_nyc_property_report and unlock_nyc_owner_contacts cost. When the report is already unlocked it is returned in full.
unlock_nyc_property_reportSpends credits: the report price from get_nyc_property (usually 1 credit). Free if this workspace unlocked the same lot in the last year. Returns the full NYC property report: owners and mailing address, deed and mortgage history, sales, DOB permits, HPD/DOB/ECB violations, tax bills and assessments, zoning and FAR with unused air rights, HPD registration contacts, pre-foreclosure case and tax-lie
unlock_nyc_owner_contactsSpends credits: the contacts price from get_nyc_property (usually 3 credits). Takes only the lot's BBL, including a condo unit's BBL from get_nyc_unit; for a unit whose report is locked it first unlocks the unit report (its report price, usually 1 credit), so quote both. Returns how to reach the owner of record of that lot about the property: the owner's name, phone numbers (with line type and do-
search_nyc_ownersread-onlyFree. Finds people who own or control NYC buildings, by name, directly or through companies. Returns each person's key, building count and boroughs. Use get_nyc_owner_portfolio with the key to list their buildings.
get_nyc_owner_portfolioread-onlyFree. Lists the NYC buildings linked to a person from search_nyc_owners, and whether each is held as the owner of record or through a company. The full list is on the Platinum plan; other plans see the first few buildings.
search_nyc_underused_propertiesread-onlyLists NYC buildings with unused or vacant space: office buildings, school buildings and religious property (churches, convents, synagogues) in any of the five boroughs. A building is flagged when its owner reports it half occupied or less, half or more of its storefronts are reported vacant, it is listed for lease, a city order to vacate it is in force, or it is a school building with no school re
run_nyc_underused_searchSpends credits. Returns the NYC underused-building rows from a quote made by search_nyc_underused_properties and charges the quoted credits (never more). Before calling, tell the user how many credits it costs and get their go-ahead. Quotes expire after 10 minutes and run once.
get_nyc_unitread-onlyFree. Reads one unit inside an NYC building: a condominium unit (its own tax lot, with its own market value) or a co-op apartment (shares, valued here by an estimate from recent sales in its line). Pass the building lot from find_nyc_property and the unit as the person wrote it, e.g. "14E", "Apt 1C" or "#PH-A". Use it whenever the person names a unit, apartment or penthouse; the building lot alone
quote_llc_owner_lookupread-onlyUse to find who is behind an LLC or company, for example the LLC that owns a property: its officers or managers, registered agent and formation details from public business records. Free: this tool only returns a quote and never spends credits. The quote states the credit cost (charged only if the company is found) and what that state's public records show; some states list the company but not its
run_llc_owner_lookupSpends credits. Runs a quote from quote_llc_owner_lookup and returns the company's officers or managers, registered agent and formation details. Charges only if the company is found, never more than the quote. A company that is not found costs nothing. Call only after the user agreed to the quoted cost. A quote runs once and expires after 10 minutes.
quote_investor_firm_searchread-onlyUse to find real estate investor and lender firms in a state or city: hard-money lenders, private money lenders, note buyers, fix-and-flip investors, investment funds, cash home buyers and wholesalers. Returns firms with business phones, business emails, website and key people (name and title only). Free: this tool only returns a quote and never spends credits. The quote states the cost per firm r
run_investor_firm_searchSpends credits. Runs a quote from quote_investor_firm_search and returns the firms with business phones, business emails, website and key people (name and title only). Charges per firm returned, never more than the quote. No firms found costs nothing. Call only after the user agreed to the quoted cost. A quote runs once and expires after 10 minutes.
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