fred-mcp-server/build/common/toolFactory.js

Federal Reserve Economic Data (FRED) MCP Server - Access all 800,000+ economic time series with search, browse, and data retrieval capabilities

import { z } from "zod";
import { seriesMetadataMap, handleGenericSeries } from "./request.js";
/**
 * Factory function to register a series-specific FRED tool on the MCP server
 */
export function registerSeriesSpecificTool(server, seriesId) {
    // Get metadata for the series
    const metadata = seriesMetadataMap[seriesId] || {
        title: `FRED Data Series: ${seriesId}`,
        description: `Economic data from FRED series ${seriesId}`,
        units: "Value"
    };
    // Register the series-specific tool
    server.tool(seriesId, `Retrieve data for ${metadata.title} (${seriesId}) from FRED`, {
        start_date: z.string().optional().describe("Start date in YYYY-MM-DD format"),
        end_date: z.string().optional().describe("End date in YYYY-MM-DD format"),
        limit: z.number().optional().describe("Maximum number of observations to return"),
        sort_order: z.enum(["asc", "desc"]).optional().describe("Sort order of observations")
    }, 
    // Handler with logging
    async (input) => {
        console.error(`${seriesId} tool called with params: ${JSON.stringify(input)}`);
        const result = await handleGenericSeries(seriesId, input);
        console.error(`${seriesId} tool handling complete`);
        return result;
    });
}