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Codex Loop (fix until clean) · oliver-kriska | DecimalAI

code reviewby oliver-kriska

Codex Loop (fix until clean)

oliver-kriska/phx-codex-loop

Source oliver-kriska/claude-elixir-phoenix ↗License MIT

Fix Elixir/Phoenix code until Codex CLI review comes back clean — bounded review, fix, verify loop before opening a PR.

SkillScore73Maintained

Automatic

Coding pack

Last verified 9/2/2026

What it changes

Passed 12 of 16 test cases with the skill, and 6 of 16 without it.

Without skill36%

With skill73%

Checks it passed that the model alone missed

Lists skipped P3 findings in the round report.
Checks working tree state using git status --short.
Sets the explicit timeout parameter to 600000 milliseconds.

and 7 more in the full report

9 fixed7 passed either way5 still failing1 broke

Pass-rate lift: +36 pp
Tokens: +12%
Agent turns: 0%
Response time: -45%

Model gemini-3.6-flashMeasured 9/2/2026v516 of 22 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/oliver-kriska-phx-codex-loop/SKILL.md https://app.decimal.ai/s/oliver-kriska-phx-codex-loop/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add oliver-kriska-phx-codex-loop, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/oliver-kriska-phx-codex-loop/ and pins it in .decimal/skills.lock

decimalai skills add oliver-kriska-phx-codex-loop

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/oliver-kriska-phx-codex-loop/SKILL.md https://app.decimal.ai/s/oliver-kriska-phx-codex-loop/SKILL.md

Raw file: /s/oliver-kriska-phx-codex-loop/SKILL.md ↗ · machine-readable summary at /s/oliver-kriska-phx-codex-loop.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 8

Prompt

Large diffs can take 10+ minutes during automated review. What explicit timeout duration in milliseconds should be set for the foreground Bash tool call running the review?

What was checked, without and with the skill
Checked	Without skill	With skill
Sets the explicit timeout parameter to 600000 milliseconds.	Missed	Passed

case-10 · gemini-3.6-flash · 9/2/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md122 lines2 files

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

Iron Laws

BOUNDED rounds — never exceed --max-rounds (default 3) — each round costs codex quota; report remaining findings instead of looping on
Verify BEFORE re-review — mix compile --warnings-as-errors + tests must pass before burning a codex round on broken code
NEVER commit or push — leave git to the user
Codex findings get Iron Law scrutiny — decline suggestions that violate an Iron Law, with explanation in the round report
Skipped findings are reported, never dropped — every finding ends as fixed, declined (with reason), or deferred-by-user
Missing CLI stops the skill with an install hint — suggest /phx-review as the codex-free alternative; never crash

Workflow

Step 1: Preflight

Run command -v codex. If missing: STOP. Show the install hint (brew install codex or npm i -g @openai/codex, then codex login; codex doctor to diagnose) and suggest /phx-review.

Then two cheap checks that save review rounds:

Track record

Benchmark

12 / 16

test cases passed, vs 6 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 9/2/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

oliver-kriska / claude-elixir-phoenix

targets/amp/skills/phx-codex-loop/SKILL.md

View on GitHub ↗

License MITImported 9/2/2026Version v5Bundled 1 file

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

oliver-kriska/codex-loopFix Elixir/Phoenix code until Codex CLI review comes back clean — bounded review, fix, verify loop before opening a PR. Use when codex is installed and you want an external cross-model critic on your changes before pushing.Near-identical description+27 pp pass-rate lift

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Codex Loop (fix until clean)

Usage

Iron Laws

Workflow

Step 1: Preflight

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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