semgrep-rule-creator

Automate creation of Semgrep rules for security vulnerabilities and code patterns.

1|Updated Apr 7, 2026
One-click install
npx skills add https://github.com/rohanbhatia27/rohanstutoring-redesign --skill semgrep-rule-creator-rohanbhatia27
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: semgrep-rule-creator
Source: https://github.com/rohanbhatia27/rohanstutoring-redesign/tree/main/.agents/skills/semgrep-rule-creator
Command: npx skills add https://github.com/rohanbhatia27/rohanstutoring-redesign --skill semgrep-rule-creator-rohanbhatia27

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires semgrep, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the creation of custom Semgrep rules for detecting security vulnerabilities, bug patterns, and code patterns, significantly reducing manual effort and potential errors in the process.

Core Features & Use Cases

  • Custom Rule Creation: Automates the writing of Semgrep rules tailored to specific security or code issues.
  • Testing and Validation: Provides guidelines and automation for testing Semgrep rules to ensure they catch the intended patterns.
  • Use Case: When you need to write a rule to detect a specific type of SQL injection vulnerability in your codebase.

Quick Start

Create a new Semgrep rule to detect SQL injection by using the semgrep-rule-creator skill and follow the step-by-step workflow provided in the skill's documentation.

Frequently Asked Questions about semgrep-rule-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate Semgrep rule creation for security vulnerabilities?

You can automate Semgrep rule creation by using a skill that generates custom rules for security vulnerabilities and code patterns, reducing manual effort and potential errors. It supports data flow analysis and pattern matching to detect code issues.

What is static analysis rule creation and when do I need custom rules?

Static analysis rule creation involves writing syntax patterns to detect code issues without executing the program. You need custom rules when standard security scanning configurations fail to catch specific vulnerabilities, such as a unique SQL injection pattern in your codebase.

Can I test and validate custom Semgrep rules after generating them?

Yes, you can test and validate custom Semgrep rules. The rule creation process provides guidelines and automation for testing rules to ensure they accurately catch the intended security vulnerabilities and code patterns.

Do I need prior knowledge of static analysis to write custom Semgrep rules?

Yes, creating custom Semgrep rules requires knowledge of Semgrep and basic security practices. Familiarity with data flow analysis and pattern matching is necessary to effectively detect security vulnerabilities and code issues.

What's the best way to detect a specific SQL injection pattern using Semgrep?

The best way to detect a specific SQL injection pattern is to automate the creation of a custom Semgrep rule. By defining the specific code pattern and utilizing data flow analysis, you can accurately target the vulnerability in your codebase.