codex-retrospective

# Codex Retrospective A structured self-improvement loop for Codex. This skill turns Codex from a one-off collaborator into a system that **gets meaningfully better at working with you** over time by systematically eating its own usage history. ## Why This Exists Most people improve their agent usage by manually maintaining `AGENTS.md` or skills when they notice problems. This skill makes that process deliberate, regular, and high-leverage. It is directly inspired by strong practices from heavy users (especially Greg Brockman's emphasis on updating the "constitution" from real failures and friction), but executed as a repeatable arsenal-style workflow. ## Core Principle **Minimal effective change, grounded in evidence from actual history.** Every output must be: - The smallest possible useful addition or edit - Backed by specific patterns observed in recent sessions - Designed to prevent repetition of the same friction ## When to Trigger - After a painful or repetitive session ("Codex should have known better by now") - Periodically (weekly or monthly): "Do a retrospective on the last 7/30 days of my Codex usage" - When `codex-fluent` reports that Codex is constantly re-asking for the same context or preferences - After you have manually corrected the same class of mistake multiple times ## The Retrospective Process ### 1. Scope Definition You specify the time window or focus area: - "Last 14 days" - "The three big auth + payments threads from last month" - "All ...