agent-harness-plugins: Skill for Claude Code

.github/skills/code-review/SKILL.md

code-review is a skill for Claude Code, Codex from cboone/agent-harness-plugins. It costs 38 tokens per session (673 once invoked), scanned A, original, MIT.

A repository code-review skill containing style checklists for pull requests. It matches changed files to the relevant checklist and reports findings using the checklist's severity and naming rules.

In plain words
What is it for?
Use it to review Bash, Markdown, and Scrut test changes while following the repository's reporting rules and existing automated checks.
Why use it?
It gives reviews consistent project-specific standards and limits findings to code changed by the pull request.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md; mentions AGENTS.md.

This is cboone/agent-harness-plugins's own configuration. It tells Claude Code and Codex how to work on agent-harness-plugins itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything agent-harness-plugins configures →

Reuse

Borrowing it

Nothing to install: this file belongs to cboone/agent-harness-plugins. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/cboone/agent-harness-plugins/main/.github/skills/code-review/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/cboone/agent-harness-plugins

Made for: Claude Code, Codex.

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 code-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/cboone/agent-harness-plugins/code-review/github.svg)](https://agentmods.dev/skills/cboone/agent-harness-plugins/code-review)
Your own site
<a href="https://agentmods.dev/skills/cboone/agent-harness-plugins/code-review"><img src="https://agentmods.dev/badge/skills/cboone/agent-harness-plugins/code-review/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 code-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/cboone/agent-harness-plugins/code-review"><img src="https://agentmods.dev/badge/skills/cboone/agent-harness-plugins/code-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 673 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 $0.00038 $0.00673
Opus 5.5 $0.00015 $0.00269
Sonnet 5.5 $0.00008 $0.00135
Haiku 4.5 $0.00004 $0.00067

Measured 25d ago against content hash 14f20d5875e6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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 25d 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.

.github/skills/code-review/SKILL.md · 30 lines

How it starts

The opening of the file, as written. The whole thing — 30 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Review

Apply the checklist that matches each changed file, and apply it only to the lines the pull request changes.

Checklists

  • Bash scripts (bin/*, plugins/*/scripts/*, plugins/*/skills/*/references/scripts/*, tests/fixtures/*, except bin/AGENTS.md, bin/CLAUDE.md, **/*.yml): write-bash-scripts.md. Full guide: write-bash-scripts style guide.
  • Scrut test files (tests/scrut/**/*.md): write-scrut-tests.md. Full guide: write-scrut-tests style guide.
  • Markdown files (**/*.md, except tests/scrut/**/*.md): write-markdown.md. Full guide: write-markdown style guide.

Reporting

  • Start each finding with the checklist name and the rule name, for example write-bash-scripts: Strict mode.
  • Rules under a checklist's Important heading block merging. Report each one you find.
  • Rules under a checklist's Nits heading are minor. Report at most five per review, and give the number of any others in the summary.
  • Follow each checklist's Do not flag section.
  • Do not report what these CI checks already report: markdownlint-cli2, prettier, shellcheck, shfmt, actionlint, bin/validate-json, bin/validate-plugins, the make build generated-mirror drift check, scrut.
  • Do not review these paths: yarn.lock, dist/, .agents/, plugins/set-up-review-config/skills/set-up-review-config/references/checklists/, docs/plans/done/, .github/skills/code-review/*.md except SKILL.md.
  • A script without a file extension follows its shebang: Bash scripts use write-bash-scripts.md.
  • Rules outside this block, in this file, .github/copilot-instructions.md, AGENTS.md or REVIEW.md, take precedence over it.

Read the full file on GitHub · 30 lines

Files

What ships with it

3 files 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. 25d ago First seen · 30 lines · 38 tokens per session scan A 14f20d5875e6

Subscribe to this mod's changes

code-review is a skill published in the GitHub repository cboone/agent-harness-plugins (2 stars, last pushed 2d ago), licensed MIT. It adds 38 tokens to every session and 673 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 2026-09-21.

Related

Other skills, from other repositories

review-pr

Review a pull request for conceptual fit, architecture impact, adversarial failure modes, security risk, docs impact, regression risk, test coverage, and merge readiness. Use when asked to review a PR, check whether a PR is safe to merge, decide if more tests are needed, perform adversarial or security review, or…

soniqo/speech-swift · 71 tokens

software-code-refactoring

Improve production code quality while preserving all existing test behavior. Commonly used for the Refactor phase of TDD red-green-refactor, but applicable to any codebase with tests. Use when production code works but needs cleanup — reducing duplication, improving naming, simplifying complexity, aligning with…

stencila/stencila · 102 tokens

drift-check

Pre-PR advisory check for deviations from the project spec. Read-only analysis.

joshukraine/dotfiles · 20 tokens

review-preflight

Review tooling for a PR: review-preflight prints REVIEW.md's criteria and the PR's live gate state before a review; ci-triage maps a PR's failing checks to already-filed issues.

sonichi/sutando · 45 tokens

remarc

Manage Remarc session comments and contextual feedback. Use when the user mentions Remarc sessions, comments, handoff, triage, review, addressing, resolving, status updates, or summaries.

metedata/Remarc · 41 tokens

fuck-over-engineering

Use when the user asks what could be deleted or reduced to simplify a codebase, says "simplify", "over-engineered", or wants a repo-, folder-, or file-wide audit for over-engineering — hunts dead code, reinvented stdlib, needless dependencies, and single-implementation abstractions, reports ranked cuts, applies only…

vinta/hal-9000 · 85 tokens