requesting-code-review

A workflow for sending a code change to an independent reviewer subagent before it is merged. A diff is the set of changes between two versions of a codebase.

In plain words
What is it for?
Use it after completing a task or feature, and especially before merging into the main branch, to review a non-empty Git diff.
Why use it?
A reviewer with fresh context can find issues that the person who wrote the change may overlook.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/skywalkercyt/mp-implement/requesting-code-review
Any agent
npx skills add skywalkercyt/mp-implement --skill requesting-code-review
Clone the repo
git clone --depth 1 https://github.com/skywalkercyt/mp-implement

Made for: Claude Code, Codex.

Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 538 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00027 $0.00538
Opus 5 $0.00014 $0.00269
Sonnet 5 $0.00005 $0.00108
Haiku 4.5 $0.00003 $0.00054

Measured 2d ago against content hash 689f0e6434d6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

requesting-code-review 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 2d 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.

skills/requesting-code-review/SKILL.md · 49 lines

How it starts

The opening of the file, as written. The whole thing — 49 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Requesting Code Review

Adapted skill — discipline originating in Superpowers v5.1.0 (MIT, Jesse Vincent), rewritten in mattpocock-skills style. Drives the independent review in /mp-implement-issue step 8 and the code-quality reviewer in /mp-implement Phase 3 (via subagent-driven-development).

An independent reviewer checks the work before merge — self-review doesn't count. Review early, review often: after each task or slice, and always before merge to main.

The reviewer is a subagent with fresh context, so it gets a crafted brief, not your session history. Fresh eyes on the work product are what make the review independent; your reasoning so far is noise to it.

Fix the range first

BASE_SHA=$(git merge-base origin/main HEAD)  # the slice's branch point
HEAD_SHA=$(git rev-parse HEAD)

Confirm the base resolves (git rev-parse $BASE_SHA) and the three-dot diff (git diff $BASE_SHA...$HEAD_SHA) is non-empty before dispatching. A bad ref or empty diff fails here, not inside the subagent.

Dispatch the reviewer

Spawn a subagent with this brief filled in:

You are reviewing a change before merge. Work from this brief and the repo only.

## What was built
{DESCRIPTION}
## Requirements
{PLAN_OR_REQUIREMENTS — issue body, acceptance criteria, or plan file}
## Diff under review
git diff {BASE_SHA}...{HEAD_SHA}   (commits: git log {BASE_SHA}..{HEAD_SHA} --oneline)

Report findings as Critical (must fix) / Important (fix before proceeding) /
Minor (later), each with file:line, why it matters, and the fix. Severity is
actual, not diplomatic. End with a verdict: ready to merge, or what changes first.

Split big reviews into axes

A review can split into independent axes (e.g. Standards vs Spec) as parallel subagents, so neither axis pollutes the other. /mp-implement-issue step 8 does exactly this and carries its own inlined briefs — there, follow step 8 instead of the template above.

Act on the findings

What to do with the Critical / Important / Minor findings — evaluate each technically, fix, or push back with evidence — is governed by receiving-code-review.

Read the full file on GitHub · 49 lines

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. 2d ago First seen · 49 lines · 27 tokens per session scan A 689f0e6434d6

Subscribe to this mod's changes

requesting-code-review is a skill published in the GitHub repository skywalkercyt/mp-implement (2 stars, last pushed 1mo ago), licensed MIT. It adds 27 tokens to every session and 538 once invoked, about $0.0001 per session on Opus 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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