Built with HCAI

A food game where an AI evaluates and rates invented food combinations using slang terms and ratings.

PR reviewing tool for Hack Clubbers (WIP) defaulting to Gemini Flash for cost efficiency

A service desk website intentionally built to be terrible for illustrative purposes.

Educational tool for high school students to learn about NASA's Cupola and NBL.

An open-source AI chat interface with markdown/LaTeX rendering, privacy-focused local storage, and customizable features like global memory and keybindings.

A password manager using Qwen to generate themed passwords.

A speech-learning application leveraging AI to improve public speaking confidence and skills.

A CLI tool to help you understand command errors, and how to fix them!

Transcribes audio and cleans up the transcription with HCAI.

A JARVIS-style personal AI assistant tailored for engineering tasks and productivity.

A school-friendly AI solution bypassing restricted website blocks for on-campus use.

A Linux desktop with integrated AI chat assistant for seamless question-answering workflows.

A Slack bot for Last.fm with roasts/compliments, leaderboards, and real-time listening activity using Qwen.

A support ticket bot for the HC Slack - uses HCAI to generate ticket titles for easier sorting.

An AI-powered Minecraft recipe lookup tool with typo-tolerant search functionality.

A chat filtering system using AI for content management and moderation.

Chronological social media platform being rewritten from PHP to Rust

Hong Kong's top transit app used by 2,100 weekly users, processing PDFs for structured transport data.

A gamified vocabulary learning platform offering a Duolingo-like experience for expanding word knowledge and retention.

Conversational transit planning application for route and scheduling assistance.

A multi-purpose AI Discord bot supporting text conversations, stream summarizing, and speech interactions (text functionality currently available).

Monitors your screen, analyzes content using Gemini 2.5 Flash, converts text to speech with TTS libraries, and plays audio with pygame based on assigned personalities.

A collaborative game development project utilizing AI tools for problem-solving and implementation guidance.

Generates TOEIC Writing topics (images, emails, opinions), accepts user submissions, and evaluates responses using AI models.

A simple AI chat bot with memory and support for multiple chatbots.

A chat frontend for an AI service.

An LLM is given access to a Discord client to engage in covert conversations until users detect it.

An ingredient finder game that uses HCAI as a fallback for language and spelling variations

A live benchmark for LLM-derived agents to compete in head-to-head Monopoly games.

Home Assistant voice assistant based around Cyn from Murder Drones

A sassy Poke-like bot for the HC Slack (with memory!) - join #gork to try it out :)

Enhances a given 'lazy' prompt and uses Hack Club's Web Search API for contextual improvements.

An enhanced ChatGPT alternative with improved UI, multiple models, and RAG capabilities.

Collection of lightweight development projects (3-4 in total)

Generates quizzes from PDF articles (production implementation pending)

A full-stack web app solving math problems, generating quizzes, and retrieving formulas using Hackclub AI.

A bot that generates humorous, aggressive responses for entertainment

Summarizes articles for Grounded News' free tier

A joke project that solves any problem in O(1) time via AI

Generates AI tools and images.

A personal Slack bot with features for channel greetings and experimental commands like /bnaexecute, /bnaneststatus, and AI-based profile roasts/compliments via HCAI.

A web app for tracking RoRacing league tire wear and generating AI strategy overviews via HCAI using text-based data entry.

An independent AI agent for generating classwork and homework using Gemini 2.5 Flash.

Enables players to select scenarios and engage in role-playing with the AI.

Generates multiple-choice quiz distractors and exports to formats like Quizlet, Kahoot, and Blooket.

Automated financial companion app offering receipt reading, card payment tracking, and voice expense input via widgets.

Manages criminal case information and leverages AI for case analysis.

Browser-based AI assistant with text selection shortcut for URL bar answers.

AI-generated facial expression tags for Meta, with subtweet capabilities.

An image generation frontend for Nano Banana, developed for Flavortown.

College essay writing aid with grammar checks, writing tips, and personal workspace.

Handles robotics competition data from Notion and enables password resets via AI.

Watch-based AI query tool for school-restricted environments (Chinese-Chinese).

Automates homework grading, checks derivation accuracy line-by-line, and provides alternative solution suggestions.

A command-line AI assistant for terminal-based interactions.

A chat room that filters out death threats in messages (built in a single session).

Astropy/Photutils implementation in Julia with 10-20x performance improvement.

Automated platform for developer screening, upskilling, and job placement (EdTech).

Uses LLMs to clean and generate text data for pre-training or fine-tuning AI models, and for rubric-based response grading in reinforcement learning.

A terminal-based AI assistant for Termux that answers questions via the 'ai' command, accessible anytime within the Termux environment.

A Slack bot for YSWS Woof that generates project ideas using HackClub AI.

It's an Apple customer service bot designed to help users select products.

A climate data platform using AI to predict CO2, temperature, and humidity trends.

B2B carbon footprint tracker with AI-powered analysis capabilities.

A shelter dog adoption platform that matches dogs with adopters based on each dog's personality traits.

A Slack bot featuring overly nice and cynical AI personalities, along with welcomer functionality and Animal Crossing quote integrations.