Jun 26, 2026 · Artificial Intelligence

Understanding Codex: Agents, Sandbox, Approval, AGENTS.md, and Memory

This article explains Codex’s core concepts—its autonomous Agent loop, sandbox permission boundaries, approval policies, the project‑specific AGENTS.md handbook, and optional Memory/Chronicle features—showing how they work together, how to configure them, and why they affect file‑renaming and other tasks.

AGENTS.mdAI AgentApproval

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Understanding Codex: Agents, Sandbox, Approval, AGENTS.md, and Memory

Machine Heart

Apr 25, 2026 · Artificial Intelligence

How a Post‑00 Team Open‑Sourced OpenChronicle After OpenAI’s $100/Month Feature

OpenAI’s Chronicle introduced screen‑seeing, persistent AI memory behind a $100‑per‑month subscription, but within 48 hours a group of young developers released OpenChronicle as an open‑source, locally‑run, model‑agnostic memory layer that can be shared across agents, sparking a wave of community discussion and raising fundamental questions about control and ownership of AI memory.

AI memoryAgentChronicle

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How a Post‑00 Team Open‑Sourced OpenChronicle After OpenAI’s $100/Month Feature