Codex Loop

Codex Loop is a Quality skill for Claude Code, published by oliver-kriska in claude-elixir-phoenix.

533 stars38 forkson oliver-kriska/claude-elixir-phoenixAdded 2026/08/26+1% in starsRepository updated 2026/08/19

ai-agentsai-coding-assistantautomationclaudeclaude-codeclaude-code-pluginclaude-code-skillsclaude-skillscode-reviewdeveloper-toolsectoelixirelixir-langelixir-phoenixliveviewobanphoenixphoenix-frameworktidewavevibe-coding

Install in seconds

Install Codex Loop

Copy Codex Loop into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/codex-loop ~/.claude/skills/codex-loop

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/oliver-kriska/claude-elixir-phoenix.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: plugins/elixir-phoenix/skills/codex-loop/SKILL.md in oliver-kriska/claude-elixir-phoenix
Installs to: ~/.claude/skills/codex-loop
Collection: One of 25 skills cataloged from this repository
Category: Quality — 1354 skills

What Codex Loop does

Codex Loop runs a bounded Codex CLI review, applies approved fixes, verifies them, and re-reviews until clean or rounds run out. Use it before a PR when you want an external critic on Elixir/Phoenix changes.

Codex Loop is cataloged under Quality on DirSkills. Codex Loop comes from a repository tagged ai-agents, ai-coding-assistant, automation, claude and claude-code.

Documentation

README

Excerpt

Codex Loop (fix until clean)

Critic→Refiner loop with the Codex CLI as external critic: review → fix approved findings → verify → re-review, until codex is clean or rounds run out. Codex reviews; Claude fixes. Complements /phx:review (Claude panel) — run either or both before a PR.

Usage

/phx:codex-loop                    # diff vs default branch, interactive
/phx:codex-loop --uncommitted      # staged + unstaged + untracked
/phx:codex-loop --base develop     # explicit base branch
/phx:codex-loop --auto             # auto-approve P0/P1/P2, skip P3
/phx:codex-loop --max-rounds 2     # default 3

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Codex Loop

What else does oliver-kriska publish alongside Codex Loop?
Codex Loop is one of 25 skills that DirSkills catalogs from oliver-kriska/claude-elixir-phoenix, the repository it ships in. Its siblings there include Ash Framework, Autoresearch and Brainstorm. Each one is a separate skill with its own page in this directory, installs the same way Codex Loop does, and is maintained by oliver-kriska in that same repository. The rest of the collection is listed on the oliver-kriska/claude-elixir-phoenix page.
How does Codex Loop compare to other Quality skills?
Codex Loop ranks #1181 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Codex Loop against them. Open each page to compare what they document and how they install.