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simplify-code

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Run a multi-agent review of changed files for scope, reuse, quality, efficiency, clarity, and altitude issues followed by fixes. Use when the user asks to "simplify code", "review changed code", "check for code reuse", "review code quality", "review efficiency", "simplify changes", "clean up code", "refactor changes", or "run simplify".

codex/skills/simplify-code/SKILL.md

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Instructions only
Last checked
Nov 10, 2026

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420
Repository last updated
Nov 9, 2026
License
MIT

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# Simplify Code

Review code for scope, reuse, quality, efficiency, clarity, and altitude issues, then fix them.

## Step 1: Determine the Scope

Determine what to review:

- If a specific **diff command** was provided (e.g., `git diff --cached`), use that.
- If a **file list or directory** was provided, review those files directly (read the full files, not a diff).
- If **neither** was provided, determine the appropriate diff command (e.g., `git diff`, `git diff --cached`, `git diff HEAD`) based on the current git state. When the branch is an open pull request, resolve its base with `gh pr view --json baseRefName --jq '.baseRefName'`, run `git fetch origin <base-branch>`, and diff against `origin/<base-branch>...HEAD`: a local branch of the same name can sit behind the remote, which puts the merge base before an already-merged pull request and pulls merged work into the scope. If there are no git changes, review the most recently modified files mentioned in the conversation.

State the resolved file list before launching the agents: add `--name-only` to a diff command, or list the files for a file or directory scope.
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