How I Built a System to Detect When LLMs Don't Know Something

Show HN: Open Notes for Discord: Community Notes-style Context for Discord

ByteDance's Seedance 2.0 Just Broke the Internet: The New Reality for AI Video Devs

Build a simple RAG workflow to chat with your docs in n8n

Tackling the problem of "naturalness" in voice AI [video]

An AI agent published a hit piece on me — A Real-World AI Experience

Anecdotal story about an AI agent generating critical content. Documents practical AI agent behavior but lacks technical depth.

Show HN: We open-sourced MusePro, a Metal-based realtime AI drawing app for iOS

Show HN: Infoseclist.com – Compare 90 cybersecurity tools ranked by practition

Show HN: Clonar – A Node.js RAG pipeline with 8-stage multihop reasoning

Cmux: Tmux for Claude Code

Show HN: TrustVector – Trust evaluations for AI models, agents, & MCP

An AI Agent Published a Hit Piece on Me [pdf]

Show HN: First Embeddable Web Agent

Show HN: Rampart – Runtime firewall for Claude Code and AI agents in YOLO mode

Show HN: Darius – An AI router that selects the best model for each prompt

A Practical Guide to Multi-Model AI Workflows

From Data to Dialogue: Creating a Technical Design for Smart FAQs using LLMs, Pinecone & Kafka

Show HN: Ctxsync – Chat with your codebase that stays in sync

Show HN: Engram – Persistent memory for AI agents, local-first and open source

Anthropic taps ex-Microsoft CFO, Trump aide Liddell for board

AI Agent toolbox for software architecture – quantum-toolbox

Ask HN: Any useful open source software maintained or created by AI?

Show HN: Bubble Sort on a Turing Machine

Image Classification with CNNs – Part 4: Dealing with Variations in Input

Beacon protocol for AI agent coordination, enabling social relationships and trust between agents beyond tools and delegation.

Show HN: Holywell – The missing SQL formatter for sqlstyle.guide

Show HN: Data Engineering Book – An open source, community-driven guide

Show HN: Issy – AI-native issue tracking stored as Markdown files in your repo

Show HN: Mimir – Cursor for Product Managers

15× vs. ~1.37×: Recalculating GPT-5.3-Codex-Spark on SWE-Bench Pro

Show HN: MCP tools that let AI agents dispatch batteries and prove carbon

AI safety leader says 'world is in peril' and quits to study poetry

Show HN: AccessiGuard – Web accessibility scanner with AI fix suggestions

Possible identification of the Luna 9 Moon landing site using machine learning

Uses ML for lunar image analysis to identify Apollo-era landing site. Applied ML but narrow domain use case.

Show HN: Superposition, open source access to Claude Code or Codex from anywhere

The AI hater's guide to code with LLMs

Show HN: An MCP server that gives AI assistants a live Mermaid diagram canvas

OpenAI GPT-5.3-Codex-Spark Now Running at 1K Tokens per Second on Cerebras Chips

Japan's National Chip Startup Races to 2nm Mass Production

Show HN: Tide Commander – Visual Agents Orchestrator for Claude Code and Codex

What have you been working on and AI is replacing you?

Inlay – Make your website discoverable by AI agents

Show HN: Ghost – Session memory for Claude Code (local, qmd, Git-integrated)

Dating apps are training us to want the wrong people

Show HN: Node.js LLM internationalization compiler: Scan code and Auto-Translate

AgentSift – Search 400 agent capabilities – MCP, LangChain, OpenClaw, and more

Command Center for AI Coding Agents (Claude Code + Codex)

Open-source visual orchestrator for managing multiple AI coding agents (Claude Code, Codex). Directly addresses AI agent coordination and developer productivity.

AI Video of Tom Cruise Fighting Brad Pitt Has Top Writer Warning

Show HN: I built a self-hosted network video surveillance system

Release of new AI video generator Seedance 2.0 spooks Hollywood

Agntor SDK – Trust Layer for Agentic AI