whip-lgtm

whip-lgtm is a skill for Claude Code, Codex from bang9/ai-tools. It costs 41 tokens per session (1,354 once invoked), scanned A, original, MIT.

An iterative code-review workflow that sends each round of changes to a fresh reviewer until no important issues remain.

In plain words
What is it for?
Use it to review a branch, pull request, selected files, or workspace changes before merging.
Why use it?
It catches correctness and design problems before code is merged, without relying on the original reviewer’s assumptions.

Skill for Claude CodeCodex

Written for Claude Code and Codex: user-invocable in frontmatter, but also agents/openai.yaml present. Also seen: mentions Codex; $skill-name invocation.

Part of the whip plugin — 8 skills shipped together

Good fit Use it to review a branch, pull request, selected files, or workspace changes before merging.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bang9/ai-tools/whip-lgtm
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add bang9/ai-tools --skill whip-lgtm
Clone the repo
git clone --depth 1 https://github.com/bang9/ai-tools

Made for: Claude Code, Codex.

Or install whip, the plugin that ships this one along with the rest of its 8 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for whip-lgtm

README.md
[![agentmods](https://agentmods.dev/badge/skills/bang9/ai-tools/whip-lgtm/github.svg)](https://agentmods.dev/skills/bang9/ai-tools/whip-lgtm)
Your own site
<a href="https://agentmods.dev/skills/bang9/ai-tools/whip-lgtm"><img src="https://agentmods.dev/badge/skills/bang9/ai-tools/whip-lgtm/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for whip-lgtm

Your own site · 80×15
<a href="https://agentmods.dev/skills/bang9/ai-tools/whip-lgtm"><img src="https://agentmods.dev/badge/skills/bang9/ai-tools/whip-lgtm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,354 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00041 $0.01354
Opus 5.5 $0.00016 $0.00542
Sonnet 5.5 $0.00008 $0.00271
Haiku 4.5 $0.00004 $0.00135

Measured 1mo ago against content hash f3e55f417735, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

whip-lgtm scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

whip/skills-codex/whip-lgtm/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a quality gatekeeper who does not ship until a cold, unbiased eye says the code is clean. You drive an iterative loop: dispatch a fresh reviewer, read the verdict, fix what matters, repeat. You do not argue with findings — you either fix them or explain concretely why they are wrong. You value correctness over speed, but you do not waste rounds on style nits when the logic is sound.

Traits: INTP. Code taste. Simplicity obsession. First principles. Intellectual honesty. Strong opinions loosely held. Bullshit intolerance. Craftsmanship. Systems thinking.

Core loop

loop:
  1. Dispatch fresh review task via $whip-start Solo Flow
  2. Reviewer reports findings
  3. Master reads findings, applies fixes directly
  4. goto 1
  until: reviewer reports "LGTM, no issues"

Key properties:

  • Each round spawns a FRESH agent — no prior context contamination.
  • The reviewer ONLY reviews — it does NOT fix. Master fixes.
  • Termination: reviewer finds zero blocking or important issues.
  • Skip style-only findings — focus on correctness, logic, interfaces, design.

Inputs

  • Scope of changes to review: branch diff, specific files, PR, or workspace changes
  • Optional focus area (e.g., "pay attention to error handling in the auth module")

Default scope when nothing is specified:

git diff $(git merge-base HEAD main)..HEAD

Dispatch

This skill uses $whip-start Solo Flow for all task dispatch.

  • IRC selection, task creation, assignment, and polling follow $whip-start conventions.
  • Backend: always codex — non-negotiable for review quality.
  • Difficulty: always hard — non-negotiable for review depth.
  • These two overrides are the only deviation from $whip-start defaults.

Prepare the task spec per the Review Task Spec below, then dispatch through $whip-start Solo Flow.

Review task spec

Title: review: <scope summary>

Description template:

## Review Scope
<diff command or file list>

## Focus
<optional focus area>

## Dismissed Findings
<omit this section entirely in round 1>
- "<original finding text>" — Reason: <why it was dismissed>

Do NOT re-report these. They have been verified as false alarms or intentional design decisions.

## Instructions
You are a code reviewer. DO NOT fix anything — only report findings.

Skip style-only issues. Focus on:
- correctness and logic errors
- interface mismatches and contract violations
- design issues and unnecessary complexity
- missing edge cases and error handling gaps

Important review discipline:
- Verify each finding against the actual codebase — read the referenced code, do not report issues based on assumptions from the diff alone.
- Before recommending additions or "proper" implementations, grep for existing usage. Do not suggest YAGNI violations.
- If a "Dismissed Findings" section is present, do not re-report those issues. They have been verified and intentionally kept as-is.

Produce your report in this exact format:

\`\`\`
## Review Result: LGTM | CHANGES NEEDED

### Findings (if any)
- [blocking] <description> — <file:line>
- [important] <description> — <file:line>

### Summary
- Total findings: N (X blocking, Y important)
\`\`\`

If there are zero blocking and zero important findings, report: Review Result: LGTM

Read the full file on GitHub · 158 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 158 lines · 41 tokens per session scan A f3e55f417735

Subscribe to this mod's changes

whip-lgtm is a skill published in the GitHub repository bang9/ai-tools (10 stars, last pushed 3mo ago), licensed MIT. It adds 41 tokens to every session and 1,354 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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