Use for deep multi-step investigation and analysis with Codex. Triggers on "codex deep analysis", "investigate with codex", "codex thorough investigation", "have codex think deeply".
Multi-step investigation and deep reasoning with Codex (gpt-5.2) using extra-high reasoning.
xhigh (always - this skill is for deep analysis)
Investigate this step by step. Form hypotheses, test them, and build confidence.
Question: <user's question>
Context:
<relevant file contents>
Please:
1. Break down the problem
2. Form initial hypotheses
3. Analyze each hypothesis
4. Reach a well-reasoned conclusion
codex exec -c model_reasoning_effort="xhigh" "<prompt>"**Deep Analysis from Codex:**
**Problem Breakdown:**
[Step-by-step analysis]
**Hypotheses Explored:**
[Each hypothesis and findings]
**Conclusion:**
[Final recommendation with confidence level]
**Session ID:** [id]