Alex XU
Alex XU
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Computer Systems
StateFork: Give Agents a Rewind Button
Agents need to branch mid-task across the full environment—not just the database. We’re releasing StateFork and Waypoint, two open-source systems that make general computer-use environments branchable and restorable.
Alex Jiakai XU
,
Tianle Zhou
,
Danielle Gillai
,
Ruizhe Fu
,
Georgios Liargkovas
,
Patrick Shen
,
Kostis Kaffes
,
Eugene Wu
Jun 4, 2026
8 min read
Project
Waypoint
Lightweight checkpoint/restore system for branchable terminal environments, preserving filesystem, process, memory, and shell-session state for fast rollback-driven AI-agent exploration.
Waypoint
StateFork
Toward Systems Foundations for Agentic Exploration
This paper presents a systems perspective on the challenges of supporting agentic exploration in LLM-powered agents, focusing on fork semantics, external side-effects, and native forking.
Alex Jiakai XU
,
Tianle Zhou
,
Eugene Wu
,
Kostis Kaffes
Cite
Project
DOI
StraceTools
Python library for comprehensive strace output parsing, programmable analysis, and interactive visualization, with full multi-threading support.
PyPI
code
Debian Kernel Development
Explore the Linux kernel code, and develop new syscalls and kernel components.
code
Enhanced American Sign Language Recognition System
A system pioneers a wearable device-based solution for seamless, rapid translation and aims to transform daily interactions through a cutting-edge end-to-end recognition system.
video
showcase
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