Four failed fixes before a QR code app finally scans
Building a QR generator, Claude tries a broken API, a second API, then fake canvas pixels — before switching to a real QR library that scanners can read.
Claude
#case-study
73 entries with this tag.
Hammersmith Bridge Replacement Cost Analysis
A rendered cost-analysis report modeling the demolition and rebuild of Hammersmith Bridge, breaking down construction costs, regulatory fees, and contingency.
ClaudeArtifact
Hunting a heap-spraying concurrency bug in Linux sound code
Claude hunts for a concurrency bug in a Linux kernel sound driver that could enable heap spraying, and proposes a locking fix around the vulnerable allocation.
Claude
Hunting down a landmark open-access study's 2016-17 citations
The assistant searches PubMed to reconstruct which 2016-2017 papers on citation advantage, Sci-Hub, and article fees were likely cited by a well-known OA study.
Claude
Hunting memory bugs in a borrow-checker-without-types compiler
Claude audits an experimental Zig borrow-checker, tracing a double-free through nested destructuring and five other subtle provenance bugs with exact triggers.
Claude
Inside an AI Agent Swarm That Built a Browser Engine
A summary of an interview on an experimental browser rendering engine built almost entirely by thousands of concurrent AI coding agents over a single week.
Claude
J&J CARTO 3 Device Error Analysis Mockup
A mockup diagnostic dashboard simulating an AI-generated report on a catheter force-sensor error, with an event timeline, root cause, and recommendations.
ClaudeArtifact
Leveridge Investment Analysis Report
A real estate investment report with cash flow projections, financing breakdowns, scenario comparisons, and an overall investment assessment.
ClaudeArtifact
Mining 30 personal-finance YouTube videos for trend gaps
A creator-economy breakdown of 30 personal-finance YouTube videos, ranking topics, title formulas, and channels to surface gaps a new video could exploit.
Claude
Modern Customer Segmentation Techniques
Long-form guide covering five customer segmentation types: demographic, geographic, psychographic, behavioral, and technographic, with tools and case studies.
ClaudeArtifact
Naming an obscure 2000s band from one hazy clue
A vague memory of a Michigan group whose members wore coloured ties is enough for a correct one-shot identification, with no web search in the loop.
Claude
Neurodivergent Profile Analysis: Late-Life Recognition
A rendered markdown analysis connecting one person's assessment scores and lifelong experiences to a likely late-diagnosed autism spectrum profile.
ClaudeArtifact
NTPC Limited Equity Analysis Report
An equity research report on the Indian power utility NTPC, covering its financials, capacity expansion plans, valuation, and an investment recommendation.
ClaudeArtifact
Product Design Lead - UX Portfolio Site
A portfolio site for a product design lead, presenting case studies, a design philosophy statement, and a contact section aimed at enterprise design work.
ClaudeArtifact
Puma vs Panhard 178: Convergent Armored Car Design
Comparing Germany's SdKfz 234 Puma to France's Panhard 178, the assistant finds convergent engineering, not influence, down to matching rear-driving positions.
Claude
Reinventing the physics midterm as an AI chat exam
A professor brainstorms replacing a physics midterm with AI chatbot exercises, from arguing with a stubborn misconception-bot to designing a Mars greenhouse.
Claude
Remixing a language-family map into a fun learning tool
The user iterates an SVG map of language families through remixes: a playful redesign, an animated React version, and tuning how many fun facts to include.
Claude
Rendering a playable Doom frame from a single SQL query
An app paints each game frame by querying a pixel view, packing scanlines to dodge row limits, then gains a live tactical minimap drawn from the level tables.
Claude★ Editor’s pick
Repainting a house facade with hex codes and hard limits
A tightly specified image-editing prompt gives exact colours per storey, orders scaffolding removed, and forbids adding a single new architectural element.
Gemini
Responsible AI Use Discussion Slide
An interactive discussion tool presenting nine research scenarios to sort as acceptable or problematic AI use, meant for classroom or team conversations.
ClaudeArtifact
Reverse-engineering Henle's engraving style in Dorico
A back-and-forth on matching Henle's engraving look in Dorico 6, covering slur height, beam spacing, and a font mistake the user catches and corrects.
Claude
Sprint 1 Test Plan Meeting Simulation
A scripted agile planning meeting with four voiced characters discussing sprint test plans, played back as a synced transcript with audio narration controls.
ClaudeArtifact
Squeezing a club's Robert's Rules meeting into 30 minutes
A club officer works out how to fit bylaws-mandated quorum, treasurer, and membership business into half an hour using parliamentary shortcuts and time limits.
Claude
Synthesizing Sorting Networks With Disjunctive ASP
Claude writes a sorting-network synthesizer using disjunctive answer-set programming, catches its own logic bug, and verifies results by brute force.
Claude★ Editor’s pick