HN leoneperdigao 2/13/2026

Show HN: Ziran, security testing for AI agents

Open-source security testing framework for AI agents. Extends existing LLM security tools to cover agent-specific attack surfaces like dangerous tool combinations.

DT Helder Burato Berto 2/13/2026

Building Shareable AI Agent Skills

Short article discussing building reusable AI agent skills to avoid repetitive instruction setup across sessions with Claude Code.

HF Baorong Shi, Bo Cui, Boyuan Jiang, Deli Yu, Fang Qian, Haihua Yang, Huichao Wang, Jiale Chen, Jianfei Pan, Jieqiong Cao, Jinghao Lin, Kai Wu, Lin Yang, Shengsheng Yao, Tao Chen, Xiaojun Xiao, Xiaozhong Ji, Xu Wang, Yijun He, Zhixiong Yang 2/13/2026

MedXIAOHE: A Comprehensive Recipe for Building Medical MLLMs

MedXIAOHE: medical vision-language foundation model with entity-aware pretraining for clinical applications, achieves SOTA on medical benchmarks.

HN WithinReason 2/13/2026

Microgpt

Minimal title-only entry. Insufficient content to score relevance.

HN taubek 2/13/2026

Invisible Prompt Injection

Invisible prompt injection vulnerability. Critical security concern for LLM applications and agents.

HN ibobev 2/13/2026

A Meditation on AI Identity

Compares small vs large language models, covering efficiency gains and task-specific optimization. Core ML research advancing practical LLM deployment.