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Show HN: Dense NYT style crossword puzzle generation with Rust and Claude
I’m a daily New York Times crossword player and I’ve built xword-pipeline with the goal of creating my own dense New York Times style crossword puzzles.
The pipeline consists of a Rust grid fill-engine and a Claude based clue-writer. The fill-engine generates candidate grid skeletons (default is 200) and fills them with words from the Crossword Nexus Collaborative Word List. The clue-writer uses Claude to generate multi-tiered clues (easy, medium, hard), explanations, and QA review the generated puzzles. The clue-writer explanation and/or QA steps can be skipped or the clue-writer can be skipped entirely if you want to write your own clues.
I’ve also created a crossword puzzle web app that can be used to test puzzles generated by the pipeline (https://wordfuzz.com/). The puzzles in the archive have all been generated with the pipeline. QA reviews did show issues with some of these puzzles but they should be solvable and I’ve left them as is so the quality of the pipeline can be accurately judged. You can run the pipeline yourself and use the test page ( https://wordfuzz.com/test) to test the puzzles you generate. The test page uses LocalStorage so nothing is uploaded to the server.
Note: The clue-writer requires an Anthropic API key and costs me an average of around $0.50 to fill a 15x15 grid with multiple-tiered clues and explanations. If you’d like to give the pipeline a try, run a single puzzle first and verify the cost is acceptable to you before generating multiple puzzles.
Any feedback on the pipeline would be appreciated. I would be great to hear if you’ve had success generating fun, playable crosswords or if you have any suggestions for improving the pipeline. Thanks!
Comments URL: https://news.ycombinator.com/item?id=48440123
Points: 2
# Comments: 0
Self-Healing Materials: Mechanisms, Properties, and Applications
Article URL: https://www.mdpi.com/2227-9717/14/9/1436
Comments URL: https://news.ycombinator.com/item?id=48440115
Points: 2
# Comments: 0
Ask HN: What Happened to Hide?
The hide link seems to have disappeared from index pages. It’s still there on posts, but it doesn’t actually hide the post?
I regularly used the hide feature for things that I’m not interested in but don’t deserve to be flagged.
What gives?
E: seems to just not work on /classic.
Comments URL: https://news.ycombinator.com/item?id=48440099
Points: 2
# Comments: 2
Congress wants to tie the United States to Israel with this new legislation
Article URL: https://www.theguardian.com/commentisfree/2026/jun/05/congress-us-israel-legislation
Comments URL: https://news.ycombinator.com/item?id=48440097
Points: 5
# Comments: 0
lab leak straight out of 2080 - time travel in html 5
Article URL: https://rogmash.neocities.org/torusfield
Comments URL: https://news.ycombinator.com/item?id=48440092
Points: 1
# Comments: 1
Show HN: Synstax – Smart Supplement Scheduling for iPhone
Synstax is an iPhone app for planning supplements: schedule routines, scan labels, catch conflicts, and track diet interactions. No account required.
Comments URL: https://news.ycombinator.com/item?id=48440081
Points: 1
# Comments: 0
The sneaky way companies get new chemicals into our food
Article URL: https://www.npr.org/2026/05/29/nx-s1-5836552/fda-gras-food-chemicals-additives-rfk
Comments URL: https://news.ycombinator.com/item?id=48440074
Points: 3
# Comments: 1
BetterSSC is a Discord-style client for Substack Chat
Article URL: https://github.com/inder/betterssc
Comments URL: https://news.ycombinator.com/item?id=48440069
Points: 1
# Comments: 1
The Smallest Brain You Can Build: A Perceptron in Python
Article URL: https://ranpara.net/posts/perceptron-explained-from-scratch/
Comments URL: https://news.ycombinator.com/item?id=48440064
Points: 17
# Comments: 1
Eighteen
Article URL: https://meyerweb.com/eric/thoughts/2026/06/07/eighteen/
Comments URL: https://news.ycombinator.com/item?id=48440046
Points: 2
# Comments: 0
Prada Unveils 'Liquid Cooling' Inner-Layer Garment for NASA's Moon Astronauts with Knitted-In Ventilation Tubes
Guardrails around powerful AI models may be too late
Article URL: https://www.politico.com/news/2026/06/07/frontier-ai-cybersecurity-china-race-00952786
Comments URL: https://news.ycombinator.com/item?id=48439973
Points: 1
# Comments: 0
Brain Appropriation
Article URL: https://brainappropriation.org/
Comments URL: https://news.ycombinator.com/item?id=48439962
Points: 1
# Comments: 0
Today's NYT Mini Crossword Answers for Monday, June 8
Today's NYT Connections: Sports Edition Hints and Answers for June 8, #623
The AI Coding Bill Is a Headcount Problem in Disguise
Article URL: https://abhishek-shankar.com/posts/ai-coding-bill-headcount-problem
Comments URL: https://news.ycombinator.com/item?id=48439936
Points: 1
# Comments: 0
The Tao of Fish Swimming ▸ KITP Chalk Talk by Jimmy Liao [video]
Article URL: https://www.youtube.com/watch?v=gZyMhlYmmVQ
Comments URL: https://news.ycombinator.com/item?id=48439926
Points: 1
# Comments: 0
AI Code Stitcher
Article URL: https://github.com/ue-patcher/code_stitcher/releases
Comments URL: https://news.ycombinator.com/item?id=48439911
Points: 1
# Comments: 0
How the "Perfectionism Pandemic" Is Crushing Young People
Article URL: https://nautil.us/how-the-perfectionism-pandemic-is-crushing-young-people-1281569
Comments URL: https://news.ycombinator.com/item?id=48439903
Points: 2
# Comments: 0
I built an AI agent that monitors job boards daily and emails you scored matches
Article URL: https://www.matchmind.site
Comments URL: https://news.ycombinator.com/item?id=48439900
Points: 1
# Comments: 0
