Intel / article

MultiFixer: A Coordinator-Proposer Based Multi-Agent Framework For Fixing Multi-Hunk Bugs

Source: Haichuan Hu, Chunrong Fang, Ye Shang, Jiawei Liu, Weifeng Sun, Guoqing Xie, Chenxing Zhong, Quanjun Zhang
Author: Haichuan Hu, Chunrong Fang, Ye Shang, Jiawei Liu, Weifeng Sun, Guoqing Xie, Chenxing Zhong, Quanjun Zhang
Date: Published Jul 30, 2026

Terms in this piece · Glossary

multi-agent — Using several AI agents on one problem — splitting work in parallel, checking each other, or filling different roles like planner and reviewer.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.

Why it matters

Bugs needing coordinated edits across several locations are where coding agents still fail. A coordinator that schedules repair order over hunk-level proposers reaches 420 Defects4J fixes, and also repairs real CVEs.

Read the source ↗arxiv.org