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Top Hacker News stories for AI builders, hackers, and founders.
Show HN: Hocuspocus 4 – self-hosted Yjs collaboration backend
RISC-V and Floating Point
FiveThirtyEight articles on the Internet Archive
Crossview 4.4.0 is now available
Sieve – scans Cursor/Claude chat history for leaked API keys
Show HN: InsForge – Open-source Heroku for coding agents
What "Amazon Supply Chain Services" Tells Us About What Amazon Is
kharp – k version 3 Language Interpreter in C#
Scientists "bottle the sun" with a liquid battery that stores solar energy
asp-classic-emulator: Run ASP Classic on macOS, Linux and BSD
The Third Hard Problem
Six SQL patterns I use to catch transaction fraud
A SQL-Inspired Query Language Designed for Event Sourcing (2025)
NanoTDB – Golang Append-Only Time Series DB
How Claude Code works in large codebases: Best practices and where to start
The Biochemical Beauty of Retatrutide: How GLP-1s Work
OpenData Vector: MIT-Licensed Vector Search on Object Storage
LLMs are breaking 20 year old system design
Launch HN: Ardent (YC P26) – Postgres sandboxes in seconds with zero migration
Referer Reality
SQL: Incorrect by Construction
Snowflake Postgres, Lakebase, HorizonDB: Picking the Lock-In You Want
Quack: The DuckDB Client-Server Protocol
US inflation jumps to 3.8% as energy costs surge from Iran war
ICE to Develop Own Smart Glasses to 'Supplement' Its Facial Recognition App
dBase: 1979-2026
5x perf increase on writes with FPW disabled in Postgres
Show HN: An index of indie web/blog indexes
Replacing a 3 GB SQLite database with a 10 MB FST (finite state transducer) binary
Idempotency Is Easy Until the Second Request Is Different
Gemini API File Search is now multimodal
Removing fsync from our local storage engine
How to Optimize MongoDB Query Performance with Indexes
pg_flight_recorder: Continuously sample PostgreSQL system state via pg_cron
My first in-prod corrupted hard drive problem
How to make SSE token streams resumable, cancellable, and multi-device
Automating Hermitage to see how transactions differ in MySQL and MariaDB
Printing Blogs
SQLite Is a Library of Congress Recommended Storage Format
Show HN: Adam – An embeddable cross-platform AI agent library
Comparing the Z80 and 6502 to Their Relatives
Pomiferous: The most extensive apples (pommes) database
Automating Hermitage to see how transactions differ in MySQL and MariaDB
Specsmaxxing – On overcoming AI psychosis, and why I write specs in YAML
Simple and Correct Snapshot Isolation
Show HN: DAC – open-source dashboard as code tool for agents and humans
Chasing a SharedKey signature mismatch: fix azurerm_storage_table_entity
