HMDA Mortgage Data

Home mortgage lending patterns, denial rates, and fair lending data

CommunityDegradedNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Home mortgage lending patterns, denial rates, and fair lending data

    How to connect

    How to connect HMDA Mortgage Data to Claude

    The server address to paste into Claude settings:

    https://mcp.olyport.com/hmda/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect HMDA Mortgage Data to ChatGPT

    The server address to paste into ChatGPT settings:

    https://mcp.olyport.com/hmda/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect HMDA Mortgage Data to Cursor

    The server address to paste into Cursor settings:

    https://mcp.olyport.com/hmda/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (4)

    Raw names from tools/list. Only developers need these.

    get_mortgage_dataGet Home Mortgage Disclosure Act (HMDA) loan-level data. Returns mortgage application and origination records reported by financial institutions under HMDA. At least one geographic filter (state or county_fips) is recommended to limit results. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX'). county_fips: Five-digit county FIPS code (e.g. '06037' for LA County). year: Data year (e.g. 2022). Defaults to 2022 if not specified. action_taken: Loan action code: '1' (originated), '2' (approved not accepted), '3' (denied), '4' (withdrawn), '5' (incomplete). loan_type: Loan type code: '1' (conventional), '2' (FHA-insured), '3' (VA-guaranteed), '4' (USDA/RHS). limit: Maximum number of records to return (default 100, max 1000).
    get_aggregate_statsGet aggregate mortgage lending statistics for a geographic area. Returns summary statistics including total applications, originations, denials, and loan amounts. Useful for understanding overall lending activity in a state or county. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX'). county_fips: Five-digit county FIPS code (e.g. '06037' for LA County). year: Data year (e.g. 2022). Defaults to 2022 if not specified.
    get_denial_reasonsGet mortgage denial reasons breakdown for a geographic area. Returns the distribution of denial reasons for mortgage applications that were denied. Useful for identifying barriers to homeownership in specific communities. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX'). county_fips: Five-digit county FIPS code (e.g. '06037' for LA County). year: Data year (e.g. 2022). Defaults to 2022 if not specified.
    get_lending_by_raceGet mortgage lending patterns disaggregated by race and ethnicity. Returns mortgage origination and denial data broken down by the race/ethnicity of the applicant. Useful for fair lending analysis and identifying disparities in mortgage access. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX'). county_fips: Five-digit county FIPS code (e.g. '06037' for LA County). year: Data year (e.g. 2022). Defaults to 2022 if not specified.