collaborators

7 papers

cs.AI2026

State-Grounded Multi-Agent Synthetic Data Generation for Tool-Augmented LLMs

Rahul Khedar, Eshita, Sneha Teja Sree Reddy Thondapu +10

Training tool-augmented LLM agents requires large corpora of multi-turn, tool-grounded conversational data that is expensive to annotate, privacy-constrained in production settings…

cs.AI2026

Toward Scalable Verifiable Reward: Proxy State-Based Evaluation for Multi-turn Tool-Calling LLM Agents

Yun-Shiuan Chuang, Chaitanya Kulkarni, Alec Chiu +8

Interactive large language model (LLM) agents operating via multi-turn dialogue and multi-step tool calling are increasingly used in production. Benchmarks for these agents must bo…

cs.CL2026

Backdoor Collapse: Eliminating Unknown Threats via Known Backdoor Aggregation in Language Models

Liang Lin, Miao Yu, Moayad Aloqaily +5

Backdoor attacks are a significant threat to large language models (LLMs), often embedded via public checkpoints, yet existing defenses rely on impractical assumptions about trigge…

cs.CR2026

MCPShield: A Security Cognition Layer for Adaptive Trust Calibration in Model Context Protocol Agents

Zhenhong Zhou, Yuanhe Zhang, Hongwei Cai +6

The Model Context Protocol (MCP) standardizes tool use for LLM-based agents and enable third-party servers. This openness introduces a security misalignment: agents implicitly trus…

cs.AI2026

Ada-RS: Adaptive Rejection Sampling for Selective Thinking

Yirou Ge, Yixi Li, Alec Chiu +8

Large language models (LLMs) are increasingly being deployed in cost and latency-sensitive settings. While chain-of-thought improves reasoning, it can waste tokens on simple reques…

cs.AI2026

NEMO-4-PAYPAL: Leveraging NVIDIA's Nemo Framework for empowering PayPal's Commerce Agent

Sudhanshu Garg, Andrew Wang, Chaitanya Kulkarni +11

We present the development and optimization of PayPal's Commerce Agent, powered by NEMO-4-PAYPAL, a multi-agent system designed to revolutionize agentic commerce on the PayPal plat…