JW MCP Server

import fetch from 'node-fetch'; /** * Get current issue in YYYYMM00 format * For workbooks, this is the current month * For Watchtower, this needs to be 2 months behind (see getCurrentWatchtowerIssue) */ export function getCurrentIssue() { const now = new Date(); const year = now.getFullYear(); const month = String(now.getMonth() + 1).padStart(2, '0'); return `${year}${month}00`; } /** * Get current Watchtower issue in YYYYMM00 format * Watchtower studies are 2 months ahead of publication date * So to get current studies, we need the issue from 2 months ago */ export function getCurrentWatchtowerIssue() { const now = new Date(); // Subtract 2 months to get the correct Watchtower issue const targetDate = new Date(now.getFullYear(), now.getMonth() - 2, 1); const year = targetDate.getFullYear(); const month = String(targetDate.getMonth() + 1).padStart(2, '0'); return `${year}${month}00`; } /** * Fetch RTF content from a given URL */ export async function downloadRtfContent(url) { try { const response = await fetch(url); if (!response.ok) { throw new Error(`Failed to fetch RTF content: ${response.statusText}`); } const rtfContent = await response.text(); return { url: url, content: rtfContent, contentType: response.headers.get('content-type'), size: rtfContent.length }; } catch (error) { throw new Error(`Failed to fetch RTF content: ${error.message}`); } } /** * Make API call to JW.org pub-media API */ export async function fetchPublicationData(pub, langwritten = 'E', issue = null, fileformat = 'RTF') { try { // Use current issue if none provided const finalIssue = issue || getCurrentIssue(); const apiUrl = `https://b.jw-cdn.org/apis/pub-media/GETPUBMEDIALINKS?pub=${pub}&langwritten=${langwritten}&issue=${finalIssue}&fileformat=${fileformat}&output=json`; const response = await fetch(apiUrl); if (!response.ok) { throw new Error(`API request failed: ${response.statusText}`); } const data = await response.json(); // Extract files for the specified language and format const files = data.files?.[langwritten]?.[fileformat]; if (!files || files.length === 0) { throw new Error(`No ${fileformat} files found for ${pub} in ${langwritten}`); } return { data, files, pubName: data.pubName, formattedDate: data.formattedDate, issue: data.issue, language: data.languages[langwritten].name }; } catch (error) { throw new Error(`Failed to fetch publication data: ${error.message}`); } }