Codex Chronicle Screen Memory
Codex Chronicle screen memory is the research-preview Codex memory layer that captures recent screen context, using screenshots/OCR-style “screen intelligence” to help Codex answer questions about what the user has been doing [src-058].
Key points
- Roberts describes Codex memory as three layers:
AGENTS.mdor global instructions, learned conversation memory, and Chronicle screen history [src-058]. - Chronicle captures the user’s recent screen state and can use that context to infer what the user is working on [src-058].
- The source says Chronicle has a six-hour auto-delete window and must be explicitly enabled, with privacy and prompt-injection warnings [src-058].
- The practical use case is asking Codex to reconstruct recent work, critique a screen or website the user viewed, or suggest how Codex can help with the current task [src-058].
- This is a richer but more sensitive memory surface than ordinary chat memory, so it belongs in the same risk family as computer use, browser use, and high-permission automations [src-058].
Related entities
Related concepts
- Claude Code Memory 2.0 (AutoDream)
- Stateless Agent Memory Pattern
- Claude Code Context Management Discipline
- Claude Code Computer Use
- Agent Harness Portability
Source references
- [src-058] Jack Roberts — “How to use Codex Better than 99% of People” (2026-05-06)
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