# QuietDiff - Agent-First Web Change Monitoring ## Product QuietDiff monitors websites for changes with AI-powered significance filtering. Built for automation and AI agents. ## Key Features - JavaScript rendering with headless Chromium (paid plans: 10/50/300 monitors, hourly minimum) - HTTP-only monitoring for static sites (free and paid) - AI determines which changes matter - Model Context Protocol (MCP) integration for Claude, Cursor, and AI tools - REST API and webhooks - Field extraction with CSS selectors - JSON/API endpoint monitoring ## Pricing - Free: 10 monitors, daily checks, no JS rendering - Starter: $9/month, 100 monitors, hourly checks, 10 JS monitors - Pro: $29/month, 500 monitors, 10-min checks, 50 JS monitors, AI summaries - Agency: $99/month, 3000 monitors, 5-min checks, 300 JS monitors, AI summaries ## MCP Setup QuietDiff provides an MCP server at https://quietdiff.com/api/mcp ### Quick Trial (No Signup Required) Ask the AI assistant to call the `get_trial_key` tool to get a 7-day trial key instantly. Trial keys can list templates and browse documentation. To create monitors, sign up for a free account. Example: "Get me a trial key for QuietDiff" ### Claude Desktop Configuration Add to `~/Library/Application Support/Claude/claude_desktop_config.json`: ```json { "mcpServers": { "quietdiff": { "url": "https://quietdiff.com/api/mcp", "headers": { "Authorization": "Bearer qd_your_api_key_here_or_trial_key" } } } } ``` ### Cursor Configuration Add QuietDiff MCP server in Cursor settings with the same config structure. ### Available MCP Tools - get_trial_key: Get a 7-day trial key (no signup) - list_templates: List pre-built monitor templates - create_from_template: Create a monitor from a template - create_monitor: Create a website monitor with CSS selector extraction - list_monitors: List all monitors - get_monitor_health: Check monitor status and recent changes - pause_monitor: Pause or resume monitoring - list_changes: Get detected changes - get_snapshot: Get the latest snapshot ### Pre-built Templates - Competitor Pricing: Track pricing page changes - Changelog / Release Notes: Monitor product updates - Terms of Service: Track legal document changes - Job Postings: Monitor new job openings - JSON API Field: Monitor API endpoint fields - Back in Stock: Get notified when products restock ## API REST API available at https://quietdiff.com/api/v1/ Authentication: Bearer token (API key from dashboard) ## Limitations - JavaScript rendering requires paid plans (10/50/300 monitors) with hourly minimum check interval - Headless rendering uses Chromium with optional waitFor (networkidle or CSS selector) - No visual diff screenshots - Free plan: HTTP-only fetching ## Use Cases - Monitor competitor pricing - Track documentation and changelog updates - Watch for terms of service changes - API endpoint monitoring - Automated workflows via webhooks ## Website https://quietdiff.com