Washington Law MCP Server

import axios from 'axios'; import * as cheerio from 'cheerio'; import Database from 'better-sqlite3'; import { join, dirname } from 'path'; import { fileURLToPath } from 'url'; const __filename = fileURLToPath(import.meta.url); const __dirname = dirname(__filename); const DB_PATH = join(__dirname, '../../data/washington-laws.db'); const BASE_URL = 'https://www.courts.wa.gov'; interface CourtRule { ruleSet: string; ruleNumber: string; ruleName: string; url: string; } class CourtRulesScraper { private db: Database.Database; private insertStmt: Database.Statement; constructor() { this.db = new Database(DB_PATH); this.insertStmt = this.db.prepare(` INSERT OR REPLACE INTO court_rules ( rule_set, rule_number, rule_name, full_text, updated_at ) VALUES (?, ?, ?, ?, CURRENT_TIMESTAMP) `); } async delay(ms: number): Promise<void> { return new Promise(resolve => setTimeout(resolve, ms)); } async scrapeAll(): Promise<void> { console.log('Starting Court Rules scraper...\n'); // Scrape IRLJ rules await this.scrapeRuleSet('IRLJ', 'Infraction Rules for Courts of Limited Jurisdiction'); // Scrape CRLJ rules await this.scrapeRuleSet('CRLJ', 'Civil Rules for Courts of Limited Jurisdiction'); this.printStats(); this.db.close(); } async scrapeRuleSet(ruleSet: string, description: string): Promise<void> { console.log(`\nProcessing ${ruleSet} - ${description}`); try { // Get list of rules const listUrl = `${BASE_URL}/court_rules/?fa=court_rules.list&group=clj&set=${ruleSet}`; console.log(` Fetching rule list from: ${listUrl}`); const response = await axios.get(listUrl); const $ = cheerio.load(response.data); const rules: CourtRule[] = []; // Find all rule links $('a').each((_, element) => { const href = $(element).attr('href'); const text = $(element).text().trim(); // Match rule display links if (href && href.includes('court_rules.display') && href.includes(`set=${ruleSet}`)) { // Extract rule number from href const ruleMatch = href.match(/ruleid=clj[a-z]+(.+?)$/i); if (ruleMatch) { let ruleNumber = ruleMatch[1]; // Clean up rule number ruleNumber = ruleNumber.replace(/^[a-z]+/i, ''); // Extract rule name from text (format: "IRLJ 1.1 Scope and Purpose of Rules") const textMatch = text.match(new RegExp(`${ruleSet}\\s+([\\d.]+)\\s*(.*)`, 'i')); const ruleName = textMatch ? textMatch[2].trim() : text; const cleanRuleNum = textMatch ? textMatch[1] : ruleNumber; rules.push({ ruleSet, ruleNumber: cleanRuleNum, ruleName: ruleName || '', url: href.startsWith('http') ? href : `${BASE_URL}${href}` }); } } }); // Remove duplicates const uniqueRules = Array.from(new Map(rules.map(r => [`${r.ruleSet}-${r.ruleNumber}`, r])).values()); console.log(` Found ${uniqueRules.length} rules to scrape`); // Scrape each rule for (let i = 0; i < uniqueRules.length; i++) { const rule = uniqueRules[i]; await this.scrapeRule(rule); if ((i + 1) % 10 === 0) { console.log(` Processed ${i + 1}/${uniqueRules.length} rules`); } await this.delay(300); // Be respectful } console.log(` ✓ Completed ${ruleSet}: ${uniqueRules.length} rules`); } catch (error) { console.error(`Error scraping ${ruleSet}:`, error); } } async scrapeRule(rule: CourtRule): Promise<void> { try { const response = await axios.get(rule.url); const $ = cheerio.load(response.data); // Remove navigation elements $('script, style, nav, .navigation, .breadcrumb, .footer, .header').remove(); // Try to find the rule content let fullText = ''; // Look for specific content areas const contentSelectors = [ '.rule-content', '.content', '#content', '.main-content', 'main', 'article' ]; for (const selector of contentSelectors) { const content = $(selector).first(); if (content.length > 0) { fullText = content.text().trim(); break; } } // Fallback to body text if (!fullText) { fullText = $('body').text().trim(); } // Clean up the text fullText = fullText .replace(/\r\n/g, '\n') .replace(/\n{3,}/g, '\n\n') .replace(/\s+/g, ' ') .trim(); // Try to extract just the rule text (remove navigation text) const rulePattern = new RegExp(`${rule.ruleSet}\\s+${rule.ruleNumber}`, 'i'); const ruleIndex = fullText.search(rulePattern); if (ruleIndex > 0) { fullText = fullText.substring(ruleIndex); } // Clean up common navigation patterns fullText = fullText .replace(/Washington State Courts.*?Court Rules/g, '') .replace(/Search Court Rules.*?Search/g, '') .replace(/<<.*?>>/g, '') .trim(); // Save to database this.insertStmt.run( rule.ruleSet, rule.ruleNumber, rule.ruleName, fullText ); } catch (error) { console.error(` Error scraping ${rule.ruleSet} ${rule.ruleNumber}:`, (error as Error).message); } } private printStats(): void { const stats = this.db.prepare(` SELECT rule_set, COUNT(*) as count FROM court_rules GROUP BY rule_set `).all() as any[]; console.log('\n=== Court Rules Scraping Complete ==='); for (const stat of stats) { console.log(` ${stat.rule_set}: ${stat.count} rules`); } const total = this.db.prepare('SELECT COUNT(*) as count FROM court_rules').get() as any; console.log(` Total: ${total.count} court rules`); } } // Run the scraper if (import.meta.url === `file://${process.argv[1]}`) { const scraper = new CourtRulesScraper(); scraper.scrapeAll().catch(console.error); }