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OpenAI's Codex follows outdated AGENTS.md command, highlighting documentation drift

A user encountered an issue where OpenAI's Codex followed an outdated command from an AGENTS.md file, attempting to start a Docker service that no longer existed. This occurred because the AGENTS.md file contained a literal command to run `docker compose up -d legacy-db`, which had been removed during a migration to Testcontainers. The user is seeking strategies to prevent such drift between documentation files and the actual repository configuration, suggesting automated checks or treating these files like code during infrastructure changes. AI

IMPACT Highlights the challenge of keeping AI agent instructions synchronized with evolving codebases, suggesting a need for better automated validation.

RANK_REASON User reports an issue with a specific AI tool (Codex) and discusses potential solutions for documentation drift.

Read on r/OpenAI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

OpenAI's Codex follows outdated AGENTS.md command, highlighting documentation drift

COVERAGE [1]

  1. r/OpenAI TIER_2 English(EN) · /u/New-Needleworker1755 ·

    Codex followed an obsolete AGENTS.md command exactly as written

    <!-- SC_OFF --><div class="md"><p>I managed to send Codex looking for a Docker service I had already deleted.</p> <p>Earlier that week, I migrated our integration tests from a Compose-managed Postgres service to Testcontainers. That removed <code>legacy-db</code> from the Compose…