←Back to NewsAI News/Developmentdeep-diveDevelopmentAgentsWhat Belongs in AGENTS.md, Design Docs and Tests?Why agent instructions accumulate and how to decide what to keep, move, or remove.SourceAkruti AcharyaPublishedSep 29, 2026, 4:25 PMAuthorAlphaSignal NewsroomRead1 min readWhy agent instructions accumulate and how to decide what to keep, move, or remove.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsOpenAI Developers · newsOpenAI's Dots Turns ChatGPT Into a Persistent Agent That Works While You SleepAlphaSignal · repoMagpie Gives Developers One Gateway to Rule 20 Coding AgentsAlphaSignal · repoOpen-Source jevgrep Cuts Coding Agent Costs 40% by Offloading Code Search