How to Use the FRED Series — U.S. Economic Time Series MCP in Claude

Q: Can the FRED Series — U.S. Economic Time Series MCP Server inside Claude Desktop calculate percent changes?

Yes. The getobservations tool handles unit transformations natively. Tell your agent you want the year-over-year percent change for GDP, and it requests that exact calculation from the API.

Q: How do I know when new macro data is released?

Have your agent run the getseriesupdates tool. It filters the latest St. Louis Fed releases by category, showing you exactly when major indicators update.

Fetch raw GDP, inflation, and unemployment data directly into your Claude Desktop chats.

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Connect FRED Series — U.S. Economic Time Series MCP to Claude Desktop

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Setup FRED Series — U.S. Economic Time Series with Claude Desktop

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Search the Full Fed Database

The `search_series` tool lets your MCP agent comb through 816,000+ official U.S. economic time series by keyword. You ask Claude Desktop for inflation metrics, and it pulls the exact CPIAUCSL identifier based on St. Louis Fed popularity rankings. Once the agent finds the right ID, it calls `get_series` to grab the metadata. This tells you exactly how the data is measured before you start pulling historical records into your conversation.

Pull Live Economic Data with this MCP Server

The `get_observations` tool grabs actual data values for any FRED time series directly into your prompt context. You define the date ranges and frequency aggregations, and Claude formats the raw numbers into a readable table. You don't have to export CSVs from the St. Louis Fed website anymore. Your agent applies built-in unit transformations like percent change or log scales on the fly, giving you analysis-ready figures instantly.

Track Revisions and New Releases

The `get_vintage_dates` tool exposes historical revision dates for ALFRED-style vintage analysis. Economic data changes after its initial release, and this function lets Claude see exactly what the numbers looked like on a specific past date. When you need to monitor fresh data drops, the `get_series_updates` tool filters recent releases by macro or regional categories. Your agent checks this endpoint to tell you if the latest FEDFUNDS rate or M2SL money supply figures just dropped.

Setup guide

Set up FRED Series — U.S. Economic Time Series 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 FRED Series — U.S. Economic Time Series 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 FRED Series — U.S. Economic Time Series 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 fred-series-us-economic-time-series-mcp.

json

{
  "mcpServers": {
    "fred-series-us-economic-time-series-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

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Common questions about FRED Series — U.S. Economic Time Series MCP in Claude Desktop

Ask your agent to find a metric like the unemployment rate. It uses the `search_series` tool to query the database and returns the official UNRATE identifier so you can pull the actual numbers.

Yes. The `get_observations` tool handles unit transformations natively. Tell your agent you want the year-over-year percent change for GDP, and it requests that exact calculation from the API.

Initial economic reports are frequently revised months later. The `get_vintage_dates` tool lets your agent pull the exact data that was publicly available on a specific historical date, preventing look-ahead bias in your analysis.

Have your agent run the `get_series_updates` tool. It filters the latest St. Louis Fed releases by category, showing you exactly when major indicators update.

Vinkius runs this MCP Server in an ephemeral V8 Isolate Sandbox. Your agent sends ticker symbols and date ranges to the St. Louis Fed API. Zero proprietary models or local files are exposed during this process.

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