Compare Claude Code and Codex on the same real code-change task with isolated worktrees, identical gates, transcripts, time, and cost.
Align AGENTS.md, rules, README, plans, and chronicles with the codebase; use --clean to archive obsolete task docs into ATLAS.md.
Research current best practices and turn the evidence into a clear recommendation. Use for state-of-the-art, evidence-based, optimal-approach, comparison, or pros-and-cons questions in any field.
Clarify an ambiguous or consequential change before planning or implementation when more than one sound approach exists.
Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.
Create a user-requested Conventional Commit from the staged changes.
Define or implement regression proof for a project or business flow. Use for test strategy, black-box or deep-integration tests, business KPIs and thresholds, test audits, missing tests, or test implementation.
Use when the user asks to compare a plugin or skill against HEAD, run regression evals, or check behavioral regressions before a commit.