Today in agentic AI, 2026-07-29 Researchers at the Argonne Photon Source have deployed APS-RAG, a retrieval-augmented generation platform that integrates decades of operational knowledge from scientific facilities, marking a major step forward in making specialized domain knowledge accessible through language models, according to arXiv. Additional advances reported today include Claude Opus generating Python code for quantum computing shuttling compilers, UniMem and MemLens memory systems for agents, and SIREN using LLM agents for extreme weather early warning workflows. The most significant development today comes from the Argonne Photon Source, where researchers have deployed APS-RAG, a retrieval-augmented generation platform that integrates decades of operational knowledge from scientific facilities. This system combines logbooks, documents, and control-system data into a corrective agentic hybrid that can answer complex operational questions. According to arXiv, this represents a major step forward in making specialized domain knowledge accessible through language models. In quantum computing, Claude Opus is now generating Python code for shuttling compilers on trapped-ion quantum computers directly from written specifications. This work, reported on arXiv, demonstrates how LLMs can handle the complex task of translating high-level requirements into optimized quantum control sequences. Memory systems for agents continue to advance. UniMem, described on arXiv, combines episodic and parametric memory to handle evolving task streams without clear boundaries, while MemLens introduces value-aware memory management that prioritizes interaction records by utility for LLM-based agents. For infrastructure security, researchers examined whether LLMs generate better Kubernetes security patches when given runtime topology context. The study, published on arXiv, suggests that environmental awareness improves patch quality. In weather forecasting, SIREN uses LLM agents to automate extreme weather early warning workflows, potentially scaling beyond traditional expert-centered approaches. Meanwhile, a permissions policy algebra called APPA enables selective taint tracking in LLM agents to balance security against prompt injection while maintaining utility. Clinical applications are expanding too. Multimodal LLMs are now being evaluated on multi-turn diagnostic reasoning with progressive information disclosure, and researchers have developed a cost-effective framework for question answering over irregular clinical time series data. Finally, work on explainable AI shows that developers trust LLM-generated code reviews more when they understand the reasoning behind them. The common thread across these advances is that agents work better when they have access to structured knowledge, clear reasoning paths, and appropriate constraints.