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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    3. Serhii Korniienko

    Serhii Korniienko

    Building brutally simple, fluff-free, and honest tools that are fast, functional, and respect user privacy.

    Visit Website

    At a Glance

    1Tool Listed
    4Products
    4Capabilities
    Discussions
    Sumy, UkraineHeadquarters
    1Employee
    Focus Areas
    Content Analysis
    Agent Skill Registries
    Information Synthesis
    Connect
    Latest News
    Published findings on bypassing AI crawler blocklists via search APIsJul 31, 2026
    Launched Bullshit Detector: Agent skills to fact-check the internetJul 27, 2026
    Markets
    • Developers
    • Individual consumers with ADHD
    • Media researchers
    • AI enthusiasts

    AI Tools by Serhii Korniienko

    (1)
    View Bullshit Detector
    Bullshit Detector tool icon

    Bullshit Detector

    AI Agent Fact Checking Skills

    Content AnalysisAgent Skill Reg.Info Synthesis

    Discussions

    No discussions yet

    Be the first to start a discussion about Serhii Korniienko

    Latest News

    07/31/2026

    Published findings on bypassing AI crawler blocklists via search APIs

    korniienko.dev
    07/27/2026

    Launched Bullshit Detector: Agent skills to fact-check the internet

    github.com
    07/31/2026

    Update on Bullshit Detector report storage and arithmetic validation

    github.com

    Products & Services

    4
    Bullshit Detector
    2026-07-27

    Agent skills that fact-check YouTube videos, articles, and tweets against real sources, providing a BS score.

    Brutally Simple Tools

    A suite of 18+ browser-based tools like AI Prompt Generator and LLM Token Counter that run 100% client-side.

    Adhdoing

    A gamified productivity app designed for individuals with ADHD to manage executive dysfunction through rewards.

    Letmen

    A productivity-focused project mentioned in professional profiles.

    Market Position

    Differentiates through 'brutal simplicity' and a strict 'no bullshit' policy, providing functional tools without tracking or data collection.

    Leadership

    Founders

    SK

    Serhii Korniienko

    Tech Leader and PHP Backend Developer with 7+ years leading engineering teams. Currently Head of Support at Scaleo. Indie-maker and solopreneur.

    Executive Team

    SK

    Serhii Korniienko

    Founder

    Indie-maker and tech leader with extensive experience in PHP development and support management.

    Founding Story

    Serhii started his indie-maker journey to build 'brutally simple' tools that solve real problems without the marketing fluff or 'bullshit' common in the industry.

    Business Model

    Revenue Model

    Indie-maker model; primary tools are free and open-source, while apps like Adhdoing target individual users with productivity features.

    Pricing Tiers

    Bullshit Detector
    Free

    Open-source (MIT)

    Brutally Simple Tools
    Free

    No data collection, browser-based

    Target Markets

    Industries & Segments
    • Developers
    • Individual consumers with ADHD
    • Media researchers
    • AI enthusiasts
    Use Cases
    • Verifying viral claims on social media
    • Developer utility tasks (token counting, case conversion)
    • Managing ADHD symptoms and daily tasks

    Quick Facts

    Headquarters
    Sumy, Ukraine
    Employees
    1
    Office Locations
    Sumy

    History & Milestones

    2026-07-27

    Released Bullshit Detector, an open-source agent skill set for fact-checking.

    2026

    Adhdoing productivity app reached 10,000+ users.

    2024-02

    Started as Head of Support at Scaleo (employer).

    Key Capabilities

    4
    AI-powered fact-checking with source verification
    Privacy-first, client-side browser tools
    Executive function reward system (Adhdoing)
    Agent skills compatible with Claude Code and Codex

    Integrations & Partnerships

    Platform Integrations

    • Claude Code
    • OpenAI Codex
    • Kit (Newsletter)
    • GitHub

    Connect

    Website
    korniienko.dev/
    GitHub
    SerhiiKorniienko
    X / Twitter
    SerhiiFounder
    LinkedIn
    skorniienko

    AI Topics

    3

    Serhii Korniienko focuses on these topics:

    Content Analysis(1)
    Agent Skill Registries(1)
    Information Synthesis(1)
    Back to all developersSuggest an edit