Code Review Checklist
shareAI-lab/learn-claude-code
Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.
Structured code review skill. An agent skill from blueberrycongee/termcanvas.
Install Code Review
$ npx skills add blueberrycongee/termcanvas --skill code-review -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install blueberrycongee/termcanvas code-review --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/skills/code-review .claude/skills/code-review && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .claude/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-reviewType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add blueberrycongee/termcanvas --skill code-review -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install blueberrycongee/termcanvas code-review --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/skills/code-review .agents/skills/code-review && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .agents/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add blueberrycongee/termcanvas --skill code-review -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install blueberrycongee/termcanvas code-review --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/skills/code-review .cursor/skills/code-review && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .cursor/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/blueberrycongee/termcanvas.git --path skills/skills/code-review--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add blueberrycongee/termcanvas --skill code-review -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install blueberrycongee/termcanvas code-review --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/skills/code-review .gemini/skills/code-review && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .gemini/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install blueberrycongee/termcanvas code-reviewInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add blueberrycongee/termcanvas --skill code-review -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/skills/code-review .github/skills/code-review && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .github/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add blueberrycongee/termcanvas --skill code-review -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install blueberrycongee/termcanvas code-review --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/blueberrycongee/termcanvas.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/skills/code-review .opencode/skills/code-review && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "code-review" agent skill from https://github.com/blueberrycongee/termcanvas/tree/main/skills/skills/code-review into .opencode/skills/code-review/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-review", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
code-review- GitHub stars
- 406
- Token cost
- ~804 tokens
- SKILL.md length
- 400 words
- Files
- 1
- Skills in repo
- 7
- Repo updated
- First seen
- Licence
- MIT
At a glance
Structured code review skill. An agent skill from blueberrycongee/termcanvas.
- Works in 4 steps: Orient → Critical Pass → Specialist Focus → …
- Asked to review this code
- SKILL.md covers Phase 1: Orient, Phase 2: Critical Pass, Phase 3: Specialist Focus and Phase 4: Verdict, plus 2 more sections
- Calls git
What it does
Code Review is an agent skill from blueberrycongee/termcanvas. Structured code review skill. Use when asked to "review this code", "review this PR", "check this diff", or when acting as a Hydra reviewer. Runs a multi-pass review with specialist focus areas and confidence-gated findings.
Its SKILL.md is about 800 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Development, covering Code review. It works with Git. The repository describes itself as: An infinite canvas desktop app for visually managing terminals. The licence is MIT.
When your agent uses it
- Asked to review this code
- Check this diff
- Acting as a Hydra reviewer
Example prompts
- “review this code”
- “review this PR”
- “check this diff”
- “/code-review”
Workflow steps
4 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit fa25981. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
git
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Code Review loads about 804 tokens when it runs. Until then it costs about 59 tokens; SKILL.md has 400 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from blueberrycongee/termcanvas at commit fa25981, republished under its MIT licence (© blueberrycongee). 400 words, ~804 tokens.
Download SKILL.mdSave it as
.claude/skills/code-review/SKILL.md (or your agent's skills folder).- name
- code-review
- description
- Structured code review skill. Use when asked to "review this code", "review this PR", "check this diff", or when acting as a Hydra reviewer. Runs a multi-pass review with specialist focus areas and confidence-gated findings.
Code Review
Structured multi-pass review. Read the full diff before commenting on anything.
Phase 1: Orient
- Determine the review scope:
- If reviewing a PR:
git diff <base>..HEAD - If reviewing staged changes:
git diff --cached - If reviewing a file: read the file
- If reviewing a PR:
- Understand the intent: read the commit messages, PR description, or task description to understand what the change is supposed to do
- Identify the change type: feature, bugfix, refactor, config, dependency update
Phase 2: Critical Pass
Read the diff line by line. Flag only real issues:
Always check:
- Logic errors (wrong conditions, off-by-one, missing null checks on external data)
- SQL injection, XSS, command injection, path traversal
- Race conditions in concurrent code
- Resource leaks (unclosed handles, missing cleanup)
- Missing error handling at system boundaries (network, file I/O, user input)
- Breaking API contract changes without version bump
Never flag:
- Style preferences (naming, formatting) unless they cause confusion
- Missing comments on self-explanatory code
- Hypothetical edge cases that cannot happen given the invariants
- "I would have done it differently" without a concrete defect
Phase 3: Specialist Focus
Based on the change type, apply the relevant specialist lens:
If the diff touches tests:
- Do tests actually test behavior, or just assert mock return values?
- Are there tautological assertions (
expect(true).toBe(true))? - Is the test coupled to implementation details rather than outcomes?
If the diff touches data access:
- N+1 query patterns in loops
- Unbounded result sets without pagination
- Transactions where atomic operations are needed
If the diff touches auth/security:
- Apply Phase 2-4 of the
security-auditskill to the changed code
If the diff touches UI:
- State management: are loading/error/empty states handled?
- Accessibility: keyboard navigation, semantic HTML, ARIA labels
- Responsive: does it work at mobile/tablet/desktop breakpoints?
Show full SKILL.md (120 more words)Show less
Phase 4: Verdict
For each finding, assign a confidence level:
- High (8-10): Confirmed defect with clear evidence — fix before merge
- Medium (5-7): Likely issue, but may depend on context — discuss
- Low (1-4): Possible concern, worth noting — optional
Report format per finding:
[severity] file:line — description
Confidence: N/10
Suggestion: specific fixFinal verdict
- Approve: no High findings, no more than 2 Medium findings
- Request changes: any High finding, or 3+ Medium findings
- If nothing is wrong: say "no issues found" — do not invent problems
Rules
- Read the code before commenting — never review from the description alone
- Every finding must reference a specific file and line
- Do not suggest refactoring that is unrelated to the change being reviewed
- A review that flags nothing wrong is a valid review — do not pad
© blueberrycongee, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/skills/code-review of blueberrycongee/termcanvas.
Open the folder on GitHubat commit fa25981
Compare with similar skills
Code Review next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Code Review this skillblueberrycongee/termcanvas | 406 | — | ~804 | Automated safety check: Pass | MIT | |
| Code Review ChecklistshareAI-lab/learn-claude-code | 78k | 5 repos | ~1.1k | Automated safety check: Pass | MIT | |
| Understand Diff AnalysisEgonex-AI/Understand-Anything | 86k | 1 repos | ~1.4k | Automated safety check: Pass | MIT | |
| Open Code Review CLIalibaba/open-code-review | 44k | — | ~3.1k | Automated safety check: Pass | Apache-2.0 | |
| Hunk Diff Session Controlmodem-dev/hunk | 9.5k | 1 repos | ~3.4k | Automated safety check: Pass | MIT | |
| Open Code Review Delegatealibaba/open-code-review | 44k | — | ~2k | Automated safety check: Pass | Apache-2.0 |
Similar skills
Understand Diff Analysis
Egonex-AI/Understand-Anything
Reads your git changes or a pull request against a prebuilt knowledge graph of the project to explain what changed, which components are affected and what is risky.
Open Code Review CLI
alibaba/open-code-review
Runs the ocr command-line tool to review Git changes, a commit or a branch comparison with an AI model, returning line-level comments and optionally applying fixes.
Hunk Diff Session Control
modem-dev/hunk
Interacts with live Hunk diff review sessions via CLI. Inspects review focus, navigates files, hunks, and exact lines, reloads session contents, adds inline…
Open Code Review Delegate
alibaba/open-code-review
Has the host agent do the code review itself while the ocr CLI handles file selection and rule lookup, covering workspace changes, branch ranges or single commits.
Code Review
flutter/flutter
Performs a comprehensive, multi-step code review of pull requests or local code changes, using iterative refinement (generation, critique, synthesis) to ensure high-quality, actionable feedback.
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Questions about Code Review
What does Code Review do?
Structured code review skill. An agent skill from blueberrycongee/termcanvas. Code Review is an agent skill from blueberrycongee/termcanvas. Structured code review skill.
When should I use Code Review?
Code Review fits situations like: asked to review this code; check this diff; acting as a Hydra reviewer.
How do I install Code Review in Claude Code?
Run `npx skills add blueberrycongee/termcanvas --skill code-review -a claude-code`. Or copy the skill folder (skills/skills/code-review in blueberrycongee/termcanvas) into .claude/skills/code-review in your project. Claude Code loads it when a task matches its description.
How do I install Code Review in Codex?
Run `npx skills add blueberrycongee/termcanvas --skill code-review -a codex`. Or copy the skill folder (skills/skills/code-review in blueberrycongee/termcanvas) into .agents/skills/code-review in your project. Codex loads it when a task matches its description.
Can I use Code Review in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add blueberrycongee/termcanvas --skill code-review -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/code-review, .gemini/skills/code-review, .github/skills/code-review and .opencode/skills/code-review in your project.
What does Code Review need to run?
Going by SKILL.md and its folder, Code Review needs the command-line tools its instructions call (git).
Does Code Review access the network?
SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Code Review safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Code Review use?
Code Review is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Code Review use?
About 804 tokens (SKILL.md is roughly 3.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Code Review?
Skills that share tags, products or a category with Code Review: Code Review Checklist (shareAI-lab/learn-claude-code, 78k stars), Understand Diff Analysis (Egonex-AI/Understand-Anything, 86k stars), Open Code Review CLI (alibaba/open-code-review, 44k stars) and Hunk Diff Session Control (modem-dev/hunk, 9.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Code Review?
blueberrycongee (a GitHub user) maintains it in blueberrycongee/termcanvas, which has 406 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on May 31, 2026.
Source: blueberrycongee/termcanvas on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.