Expired50% confidenceFactExact time
Codex uses an Agent.md file as the AI work configuration document, placed in the project root directory, and Codex reads this file before beginning work each time.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedWhen Codex starts, it automatically reads AGENTS.md files in the project root directory and each subdirectory, injecting their contents into the system prompt.78% similarUnverifiedProjects in Codex correspond to folders on a local computer, and all content within a project is incorporated as context into the AI's responses.71% similarUnverifiedThe `agents.md` file generated by Hermes is interoperable with Codex (OpenAI's coding Agent), meaning a file generated by Hermes can be read and used in Codex70% similarPartially VerifiedPractices from OpenAI's Codex team show that the focus of AI programming is shifting from 'writing detailed documentation' to 'organizing capabilities and defining goals'.68% similarUnverifiedModern AI coding agents such as OpenAI Codex, Anthropic Claude agent mode, and GitHub Copilot Workspace scan project directories and read configuration or rules files before executing tasks.68% similar
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