HN gpi 4/23/2026

Signaling Is the Intelligence

Opinion piece arguing AI agents need inter-agent communication and signaling capabilities beyond single-task, single-user designs.

HN downboots 4/23/2026

Asset Harvester

NVIDIA's Asset Harvester converts driving logs into 3D assets for autonomous vehicle simulation using neural scene reconstruction.

HN paul_n3 4/23/2026

I programmed an AI in 6502 assembly

Developer used Claude Code to build an AI system that understands and executes 6502 assembly language with real-time feedback loops.

Ax Sandip Ghoshal, Anshul Mittal, Jyotika Singh, Miguel Ballesteros, Weiyi Sun, Fang Tu, Shailender Singh, Yassine Benajiba, Fahad Shah, Sujeeth Bharadwaj, Sujith Ravi, Dan Roth 4/23/2026

JTPRO: A Joint Tool-Prompt Reflective Optimization Framework for Language Agents

JTPRO framework optimizes LLM agents with tools by jointly refining prompts and tool schemas to reduce mis-selection and improve slot instantiation in large tool libraries.

Ax Hongnan Ma, Han Wang, Shenglin Wang, Tieyue Yin, Yiwei Shi, Yucong Huang, Yingtian Zou, Muning Wen, Mengyue Yang 4/23/2026

CreativeGame:Toward Mechanic-Aware Creative Game Generation

Framework for iterative creative game generation using LLMs with mechanic-aware optimization, addressing brittle runtime behavior and weak experience accumulation.

Ax Patrick Vossler, Jean Feng, Venkat Sivaraman, Robert Gallo, Hemal Kanzaria, Dana Freiser, Christopher Ross, Amy Ou, James Marks, Susan Ehrlich, Christopher Peabody, Lucas Zier 4/23/2026

From Fuzzy to Formal: Scaling Hospital Quality Improvement with AI

AI system for hospital quality improvement factor discovery, automating identification of modifiable contributing factors in healthcare optimization.

Ax Vasundra Srinivasan 4/23/2026

Stateless Decision Memory for Enterprise AI Agents

Architecture for enterprise AI agents in regulated domains using stateless decision memory instead of retrieval-augmented pipelines, enabling deterministic replay and auditability.