CDC Mortality (WONDER)

Leading causes of death, mortality rates, infant mortality, and drug overdose 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

    Leading causes of death, mortality rates, infant mortality, and drug overdose data

    How to connect

    How to connect CDC Mortality (WONDER) to Claude

    The server address to paste into Claude settings:

    https://mcp.olyport.com/cdc-wonder/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 CDC Mortality (WONDER) to ChatGPT

    The server address to paste into ChatGPT settings:

    https://mcp.olyport.com/cdc-wonder/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 CDC Mortality (WONDER) to Cursor

    The server address to paste into Cursor settings:

    https://mcp.olyport.com/cdc-wonder/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 (5)

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

    get_leading_causes_of_deathGet leading causes of death with death counts and age-adjusted rates. Returns data from the NCHS Leading Causes of Death dataset, which provides national and state-level mortality statistics by cause of death, year, and age-adjusted death rate per 100,000 population. Data spans 1999-2017. Args: state: Filter by state name (e.g. 'California', 'Texas'). Case-insensitive. Returns all states if not specified. year: Filter by year (e.g. 2017). Returns all available years if not specified. limit: Maximum number of records to return (default 25, max 1000).
    get_mortality_by_stateCompare mortality rates across states for a specific cause or all causes. Returns age-adjusted death rates by state, useful for comparing mortality burdens across geographies. Data from NCHS Leading Causes of Death. Args: cause: Cause of death to filter by (e.g. 'Heart disease', 'Cancer', 'Unintentional injuries', 'Alzheimer\'s disease'). Partial match supported. Returns all causes if not specified. year: Filter by year (e.g. 2017). Defaults to most recent available year if not specified.
    get_infant_mortalityGet infant mortality rates by state and race/ethnicity. Returns infant mortality data including rates per 1,000 live births, broken down by state and race/ethnicity. Infant mortality is a key indicator of community health status used in CHNAs. Args: state: Filter by state name (e.g. 'Ohio', 'Georgia'). Case-insensitive. Returns all states if not specified. year: Filter by year. Returns all available years if not specified.
    get_drug_overdose_deathsGet provisional drug overdose death data by state. Returns provisional counts and rates of drug overdose deaths from the National Vital Statistics System (NVSS). Includes data on opioid, synthetic opioid, and other drug-involved deaths. Updated monthly. Args: state: Filter by state name (e.g. 'West Virginia', 'Ohio'). Case-insensitive. Returns all states if not specified. year: Filter by year. Returns all available years if not specified. limit: Maximum number of records to return (default 25, max 1000).
    get_provisional_mortalityGet most recent provisional mortality data including COVID and other causes. Returns provisional death counts from the NVSS, covering major cause groups including COVID-19, respiratory diseases, circulatory diseases, and more. Data is updated weekly and covers the most recent periods. Args: state: Filter by state/jurisdiction name (e.g. 'New York', 'Florida'). Case-insensitive. Returns all jurisdictions if not specified. cause_group: Filter by cause group (e.g. 'COVID-19', 'Respiratory', 'Circulatory', 'Malignant neoplasms'). Partial match supported. Returns all cause groups if not specified. limit: Maximum number of records to return (default 50, max 1000).