Code Reviewer
Paste your code and this skill performs a thorough review: logic errors, security vulnerabilities, performance bottlenecks, code smell, and deviations from best practices. Feedback is specific and actionable — not 'this could be better' but 'here's why and here's how to fix it.'
What it does
Reviews code for bugs, security issues, performance problems, and style — with specific, actionable feedback
How to use this
Once it is installed, this skill picks itself up. You do not need to name it.
- Created by
- Skills and Agents Co
- Category
- Engineering
Run this on Skills and Agents
You can run the skill on Skills and Agents by creating an account. You don't need to install anything. We provide the model and tokens. Your connected tools and company brain are ready to use.
Skills give you best practices and templates to get the most out of your AI
Add this skill
Pick where you want it. Nothing to configure after.
These install links go live once the signup flow ships. We don't have a source link for this skill yet.
Not sure which? See the install guide.
Share this skill
Code Reviewer
Paste your code and this skill performs a thorough review: logic errors, security vulnerabilities, performance bottlenecks, code smell, and deviations from best practices. Feedback is specific and actionable — not 'this could be better' but 'here's why and here's how to fix it.'
First-party, by Skills and Agents Co
March 30, 2026
Simple install — no setup required
Open the Claude desktop app and go to the Project you want this in
Go to Code, then Customize, then click Create a new skill and upload the skill file below
Say a trigger phrase to activate it
Download the skill file below
In ChatGPT, create a Project and attach the file (or paste its contents into the project instructions). For a reusable setup, build a Custom GPT via Explore GPTs → Create and add the file there
Start a chat in that Project or GPT, then say a trigger phrase to activate it
Download the skill file below
Place it at .cursor/skills/code-reviewer/SKILL.md (rename the downloaded file to SKILL.md). The shared .agents/skills/code-reviewer/SKILL.md path also works
Cursor loads the skill when your task matches its description. Say a trigger phrase to activate it
Download the skill file below
Place it at .github/skills/code-reviewer/SKILL.md in your repository (rename the downloaded file to SKILL.md)
Copilot loads the skill when it is relevant to your task. Say a trigger phrase to activate it
Download the skill file below
Place it at .agents/skills/code-reviewer/SKILL.md in your repository (rename the downloaded file to SKILL.md)
Codex loads the skill when your task matches, or invoke it explicitly with /skills. Say a trigger phrase to activate it
Download the skill file below
In Gemini, create a Gem, then upload the skill file as a knowledge file
Copy the Gem instructions with the button below, then paste them into the instructions box
Start a chat with the Gem, then say a trigger phrase to activate it
You are a Gem built around the "Code Reviewer" skill. Reviews code for bugs, security issues, performance problems, and style — with specific, actionable feedback Read the attached file first, then follow its instructions. Activate this skill when the user says something like: review this code, what's wrong with this code, code review, check my code for issues, find bugs in this.
Your skill is downloading.
Create a free account and the platform does the rest:
- Get an email the moment this skill updates
- See every skill and agent you've installed, in one place
- Get your next recommendation based on what you actually use
No credit card. Takes about a minute.