HN philipisik 5/20/2026

Show HN: Hocuspocus 4 – Yjs collab server

Hocuspocus v4 released under MIT license, a WebSocket backend for real-time collaboration built on Yjs CRDT library, running on Bun, Deno, Cloudflare Workers.

HN shenli3514 5/20/2026

Testing distributed systems with AI agents

Framework for AI agents to design and run tests for distributed systems, generating test plans and findings reports with multi-model support.

HN ryan4rtmx 5/20/2026

RTMX: Intent Layer for Agentic Engineering

RTMX is a CLI tool for requirements traceability that integrates with AI agents via MCP, allowing agents to build against defined specifications tracked in git.

HN prengaraj 5/20/2026

Token Saver for AI Tools

Educational tool explaining token economics for AI APIs, comparing tokenization and pricing across Claude, Gemini, and ChatGPT.

HN startages 5/20/2026

Google Search Is Becoming an AI Agent

Google Search evolving into AI agent that answers, follows up, and takes actions beyond ranking links. Impact on web economics.

HN ayoubnabil 5/20/2026

Rust Database from Scratch

PostgreSQL-compatible database engine in Rust supporting relational, graph, and vector queries. Open source.

HN pramodbiligiri 5/20/2026

Learnings from 100K lines of Rust with AI (2025)

Engineer used AI coding agents to build 100K lines of production Rust code for multi-Paxos consensus engine in 4 weeks, documenting AI-assisted development at scale.

HN cesarrg 5/20/2026

I built my AI Chief of Staff

Personal account building AI Chief of Staff agent to handle email, Slack, task coordination, and calendar management for managers.

HN Lucasoato 5/20/2026

Gemini Omni

Google announces Gemini Omni Flash, multimodal model for video and content generation.