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    3. Vitaly Kuprin

    Vitaly Kuprin

    To provide an AI-powered website change monitoring platform that offers visual diffs, smart filters, and seamless integration for developers and businesses.

    Visit Website

    At a Glance

    1Tool Listed
    1Product
    12Tool Views
    8Capabilities
    Discussions
    EuropeHeadquarters
    2025Est.
    1Employee
    Focus Areas
    Monitoring Tools
    Browser Extensions
    MCP Servers
    Latest News
    Best Visualping Alternatives (Free + Paid) in 2026Mar 18, 2026
    Website Change Detection API: Complete Developer GuideMar 18, 2026
    Markets
    • Individual shoppers
    • Job seekers
    • Developers
    • Business analysts
    • +1 more

    AI Tools by Vitaly Kuprin

    (1)
    View Site Spy
    Site Spy tool icon

    Site Spy

    Website Change Monitor Tool

    Monitoring ToolsBrowser ExtensionsMCP Servers

    Discussions

    No discussions yet

    Be the first to start a discussion about Vitaly Kuprin

    Latest News

    03/18/2026

    Best Visualping Alternatives (Free + Paid) in 2026

    sitespy.app
    03/18/2026

    Website Change Detection API: Complete Developer Guide

    sitespy.app
    03/18/2026

    How to Monitor Website Changes with Claude MCP

    sitespy.app
    03/10/2026

    How to Monitor Website Changes Automatically in 2026

    sitespy.app

    Products & Services

    1
    Site Spy
    2025

    AI-powered website change monitoring tool with visual diffs and smart filters. Available as a browser extension and web dashboard.

    Market Position

    Positions itself as a modern, AI-enhanced alternative to legacy tools like Visualping, emphasizing developer tools like API and MCP integration.

    Leadership

    Founders

    VK

    Vitaly Kuprin

    Senior Full-Stack Engineer with experience at Callstack and ICEO - Venture Builder. Specializes in TypeScript, React Native, and web/mobile development. Based in Europe.

    Executive Team

    VK

    Vitaly Kuprin

    Founder & Software Engineer

    Senior Software Engineer with a focus on cross-platform application development.

    Founding Story

    Started as a project by Vitaly Kuprin to create a more powerful and developer-friendly alternative to existing web monitoring tools, leveraging AI for smart filtering and notifications.

    Business Model

    Revenue Model

    Freemium SaaS subscription with recurring monthly tiers.

    Pricing Tiers

    Free
    €0/month

    2 watched URLs, 1h recheck interval, 30 days history, basic notifications.

    Starter
    €4/month

    25 watched URLs, 10min recheck interval, 90 days history, API access (1k/day), MCP full access.

    Pro
    €8/month

    100 watched URLs, 1min recheck interval, 1 year history, API access (10k/day), AI summaries, Screenshot capture.

    Business
    €99/month

    500 watched URLs, 5 team seats, Shared dashboards, Custom templates, API access (50k/day), Priority support.

    Private

    Target Markets

    Industries & Segments
    • Individual shoppers
    • Job seekers
    • Developers
    • Business analysts
    • Marketing teams
    Use Cases
    • Price drop tracking
    • Job posting alerts
    • Government & Tenders monitoring
    • Real Estate updates
    • News & Media tracking

    Quick Facts

    Headquarters
    Europe
    Founded
    2025
    Entity Type
    Sole Proprietorship
    Employees
    1
    Total Funding
    Bootstrapped
    Office Locations
    Remote / Europe

    History & Milestones

    2026

    Introduction of the Model Context Protocol (MCP) server for integration with AI agents like Claude and Cursor.

    2026

    Launch of the Business tier with team collaboration features and higher API limits.

    2025

    Site Spy featured on Hacker News, receiving 300+ points.

    2025

    Official launch of Site Spy browser extensions for Chrome and Firefox.

    Key Capabilities

    8
    AI Smart Filters
    AI Chat Assistant
    Visual Diff View
    Snapshot Timeline
    Browser Extension (Chrome & Firefox)
    API Access

    Integrations & Partnerships

    Platform Integrations

    • Chrome
    • Firefox
    • Telegram
    • Slack
    • Discord
    • Claude (MCP)
    • Cursor (MCP)
    • Webhooks

    Key Partnerships

    Integration with Claude, Cursor, Slack, Discord, Telegram, and 90+ webhook platforms.

    Connect

    Website
    vkuprin.com

    AI Topics

    3

    Vitaly Kuprin focuses on these topics:

    Monitoring Tools(1)
    Browser Extensions(1)
    MCP Servers(1)
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