phx-codex-loop SKILL.md skillA

phx-codex-loop from oliver-kriska/claude-elixir-phoenix is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add oliver-kriska/claude-elixir-phoenix/phx-codex-loop@git:20261016.57d6f30

Pins git:20261016.57d6f30 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
oliver-kriska/claude-elixir-phoenix
Path
targets/codex/skills/phx-codex-loop/SKILL.md
Versions recorded
3
Latest version
git:20261016.57d6f30, committed Oct 16, 2026
First version recorded
Jul 21, 2026
Size
5,736 bytes
Repository stars
573
License
MIT

Fix Elixir/Phoenix code until Codex CLI review comes back clean; Use.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# 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 `$elixir-phoenix:phx-review` (Claude panel)
— run either or both before a PR.

## Usage

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

## Iron Laws

1. **BOUNDED rounds — never exceed --max-rounds (default 3)** — each round
   costs codex quota; report remaining findings instead of looping on
2. **Verify BEFORE re-review** — `mix compile --warnings-as-errors` + tests
   must pass before burning a codex round on broken code
3. **NEVER commit or push** — leave git to the user
4. **Codex findings get Iron Law scrutiny** — decline suggestions that
   violate an Iron Law, with explanation in the round report
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add oliver-kriska/claude-elixir-phoenix/phx-codex-loop@sha256:b440023c6137a013

The line at the top of this page pins the label git:20261016.57d6f30, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_jx3gelfxpms6htqr.svg)](https://markdownregistry.com/a/art_jx3gelfxpms6htqr)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 3 versions of this file, between Jul 21, 2026 and Oct 16, 2026, about one every 43 days.

versioncommittedcommitsizeaudit
git:20261016.57d6f30 latest2026-10-16 57d6f30 5,736 BA view · diff
git:20260723.d82e8e52026-07-23 d82e8e5 5,158 BA view · diff
git:20260721.1a431372026-07-21 1a43137 5,040 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (5736 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

oliver-kriska/claude-elixir-phoenix · 573 stars · license MIT · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_jx3gelfxpms6htqr
GET https://markdownregistry.com/api/v1/resolve?ref=oliver-kriska/claude-elixir-phoenix/phx-codex-loop
GET https://markdownregistry.com/api/v1/blob/b440023c6137a01362d21710b87a40001f48b88b1a94f68e384834c2622cc38f

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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phx-codex-loop SKILL.md skill
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