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Claude Built a Black Hole in a Browser. Here's how.
Claude built this black hole formation animation in AtomCut through MCP: 30 seconds, 900 frames, a s…
Character limits have two numbers: building an ad preview around warnings and blocks
At Maestro we built a free LinkedIn ad mockup tool, and the most useful decision in it was also the …
Merge and compress PDFs in the browser with pdf-lib and PDF.js (no server, no upload)
Most "free PDF tools" upload your file to a server, process it, and send it back. For a contract, a …
A Developers Field Guide to Auditing AI Search Discovery: Inspecting LLM Crawlers, Structured Data & Robots Directives
In 2026, web developers face a new architectural reality: your pages are no longer crawled exclusive…
Four review checkpoints for an affiliate-Pin publishing workflow
When building a content-publishing workflow, “the image is ready” is an incomplete definition of don…
"Generic Decline" Is the Bank Saying "Ask Again Properly"
If you process subscription payments, one decline code will dominate your reports and explain almost…
Halls of Horror: Build a Haunted House with Gemma, Then Dare Your Friends to Walk It
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 4: Ghost in the Machine …
Cropping a PDF doesn't delete anything: what I found testing 6 tricky pages
I run SmokePDF, a set of free PDF tools that work entirely in the browser (built on pdf-lib and pdf.…
Session Timeout UX: Show What Survives Sign-In in Your Public Demo
A useful session timeout UX demo shows the work before expiry, the sign-in transition, and the exact…
Why sort() puts 100 before 2, and Eclair after zebra
[10, 9, 1, 100, 25, 2].sort() does not give you 1, 2, 9, 10, 25, 100. I ran the usual ways to sort n…
Passphrase Generator: Free Online Strong Password Generator — How-To Guide
Passphrase Generator: Free Online Strong Password Generator — How-To Guide Weak, reused passwords …
I built BrainPick, a marketplace for hands-on know-how. Looking for volunteer testers
BrainPick is an early web product I am validating: it connects builders who need practical know-how …