Vespa author: agents still can't use tools during context compaction
lateinteraction · x · 2026-09-15
- lateinteraction (Vespa author) finds it odd that as of Sept 2026, agents can't use tools or write to files during compaction—"it's really just a summarization prompt."
- He notes Codex's experimental context-management mode is more RLM-like: prompts are treated as objects even after compaction, which does help.
- The thread highlights a core gap in agent long-horizon memory and context-management engineering.
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