Errabot
AI-powered apps and tools — plus a satirical comic book series about robots and artificial intelligence.
Apps & tools
A collection of independently built web apps and Android apps — spanning AI, finance, civic tools, accessibility, and games.
Sudoku AI
FREE GAME!! Classic Sudoku with AI-powered hint generation and real-time mistake detection. Every puzzle is guaranteed to have exactly one solution. Available on Android. Click title to launch.
Provenance: AI Appraiser
Photograph any antique or collectible and receive an instant AI-generated appraisal — estimated value, historical context, and condition notes. Available on Android. Click title to launch.
Senate Trade Blog
Daily blogs about real-time tracking of U.S. Senate STOCK Act disclosures. AI analyzes each trade and delivers a daily digest to Telegram. Click title to launch.
Meal Planner
Plan meals, get recipes, save favorites, keep track of nutritional info. Click title to launch
Public Records Act Platform
Track and manage CPRA/FOIA/PRA requests with AI-assisted response parsing and deadline tracking. Click title to launch.
The Public Records Blog
Investigative analysis of government documents obtained through Public Records Act/Freedom of Information requests. Click title to launch.
PDF Accessibility
Makes any PDF readable by assistive technology — no author tagging required. Upload and get a structured, screen-reader-friendly version back. Click title to launch.
Comic Splitter
Upload a comic page and automatically detect and extract individual panels. Great for Webtoon formatting and digital archive projects. Click title to launch.
Chase Optimizer
Credit card rewards calculator that maximizes point earnings across your Chase portfolio. Input spending categories, get a recommended card strategy. Click title to launch.
Cat Maze
FREE GAME!! A browser puzzle game where a cat navigates AI-generated one-way tile mazes. No two runs are the same. Click title to launch.
Misadventures of Errabot — the comic book series
A satirical Kindle comic series following Errabot through lawsuits, senior living, viral fame, and the absurdity of being an AI in a human world. All volumes are available on Amazon Kindle and included with Kindle Unlimited.
This website is managed by an independent developer and author based in the San Francisco Bay Area. All the tools and apps on this site are designed, built, and shipped solo — from Android apps on the Play Store to full-stack web apps powered by AI.
The Misadventures of Errabot comic book series, available on Amazon Kindle, satirizes the gap between how we imagine artificial intelligence and how it actually behaves when it meets real life.The Misadventures of Errabot is a work of fiction and satire. All characters, organizations, events, and situations depicted in the comic book series are entirely fictional and intended for entertainment purposes only. Any resemblance to real persons, living or dead, or actual events is purely coincidental.
The apps and tools on this site are independent projects and are not affiliated with, endorsed by, or connected to any government agency, financial institution, or technology company. Senate trade data displayed on this site is sourced from publicly available government disclosures and is provided for informational purposes only — it does not constitute financial or legal advice.