How to Use the CDC WONDER (Epidemiologic Data) MCP in Claude

Q: What parameters does the query tool accept?

The tool uses specific prefixes like B, M, V, F, and O to define your search criteria. You provide these in a JSON object when invoking the function.

Pull mortality and birth statistics straight into Claude Desktop to back your health research with official CDC data.

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Connect CDC WONDER (Epidemiologic Data) MCP to Claude Desktop

Create your Vinkius account to connect CDC WONDER (Epidemiologic Data) to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup CDC WONDER (Epidemiologic Data) with Claude Desktop

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Run CDC WONDER (Epidemiologic Data) queries in Claude Desktop

The `query_wonder_database` tool connects your chat directly to official public health datasets. You no longer need to manually navigate the CDC web interface to find specific mortality or birth figures. Type your request in natural language and watch the tool parse the specific database IDs for you. It formats the parameters into the exact JSON structure required for the CDC backend.

Analyze public health trends with your AI client

Stop guessing at epidemiological patterns. By using the `query_wonder_database` tool, you get raw data points that you can immediately ask Claude to summarize, chart, or compare. This MCP Server acts as a bridge between the CDC archives and your workspace. It handles the request logic so you can focus on interpreting the numbers rather than hunting for them.

Get instant access to vaccine adverse event reports

Access the VAERS database directly through the `query_wonder_database` function. You can filter by specific criteria and bring the findings right into your conversation thread. Claude Desktop displays the returned data clearly, allowing for rapid iteration on your research questions. It removes the friction of downloading and parsing CSV files from the CDC portal manually.

Setup guide

Set up CDC WONDER (Epidemiologic Data) MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The CDC WONDER (Epidemiologic Data) MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the CDC WONDER (Epidemiologic Data) MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under cdc-wonder-epidemiologic-data-mcp.

json

{
  "mcpServers": {
    "cdc-wonder-epidemiologic-data-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by CDC WONDER. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about CDC WONDER (Epidemiologic Data) MCP in Claude Desktop

You need to edit your configuration file. Open the Claude Desktop settings, locate the developer section, and add the server command under the mcpServers key.

No, this tool fetches data from remote public health databases. It communicates with the CDC systems to pull the latest available reports.

Yes, you can use the custom connector feature in the web interface. Paste the provided URL into the integrations menu to start querying.

The tool uses specific prefixes like B_, M_, V_, F_, and O_ to define your search criteria. You provide these in a JSON object when invoking the function.

Vinkius manages the connection, but the server itself is ephemeral. It only touches the public datasets you request and does not retain your private research data.

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