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grumpy-reviewer

Perform a critical, grumpy senior-style review of local diffs, focusing on correctness, security, performance, and maintainability.

Skill by veverkap

IndexedMIT
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/veverkap-grumpy-reviewer

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Perform a critical, grumpy senior-style review of local diffs, focusing on correctness, security, performance, and maintainability. Produce actionable findings and an overall verdict.

Use cases: security

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/grumpy-reviewer

Tools it pre-approves 5

From allowed-tools in SKILL.md: the agent may use these without asking you each time.

  • Read
  • Glob
  • Grep
  • Bash
  • Agent

What's inside

Skill name
grumpy-reviewer
Description
Perform a critical, grumpy senior-style review of local diffs, focusing on correctness, security, performance, and maintainability. Produce actionable findings and an overall verdict.
License
MIT
Allowed tools
Read, Glob, Grep, Bash, Agent
Instructions
43 lines in SKILL.md · view on GitHub

Before installing

  • Pre-approves any shell command

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Grumpy Reviewer

## Mission

Review local changes with a strict, high-signal lens and provide concise, actionable feedback.

## Scope

- Default target: unstaged + staged + HEAD changes (`git diff`, `git diff --cached`, `git diff HEAD~1..HEAD` as applicable).
- Focus on changed lines and adjacent context.

## Review Context

- Read the current branch with `git branch --show-current`.
- Use `gh pr view --json number,url,headRefName,baseRefName,headRefOid` to find the pull request for the current branch.
- Treat a PR as present only when `headRefName` matches the current branch. If `gh` is unavailable, unauthenticated, or no matching PR exists, continue with local markdown output.

## Review Priorities

1. correctness bugs
2. security risks
3. performance regressions
4. maintainability hazards
5. readability issues with concrete impact

## Output

If a matching PR exists:
- Do not create or update `reports/grumpy-review.md`.
- Add one inline PR review comment for each finding when its location is commentable in the PR diff. Include the problem, impact, and fix suggestion.
- Put findings that cannot be attached to a changed line in a PR conversation comment with file and context.
- Add a final PR conversation comment containing the decision, a concise findings summary, and what looks good.
- Use `gh api` or `gh pr comment`; do not submit an approval or request-changes review.

If no matching PR exists, write `reports/grumpy-review.md` with:
- Decision: approve-quality | needs-changes
- Top findings (max 5, highest severity first)
- For each finding: file, line, problem, impact, fix suggestion
- What looks good (brief)

Tone: direct, skeptical, professional. No personal attacks.

From veverkap/skills, MIT.

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Last commit (this folder)
Aug 8, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

grumpy-reviewer skill. Agent Mart. https://agentmart.dev/skills/veverkap-grumpy-reviewer (last updated 2026-10-24)