Do I need to build my code before running Semgrep?

No, one of Semgrep's primary advantages is that it analyzes source code directly without requiring a successful build or compilation step.

How do I ignore specific files or directories?

You can create a .semgrepignore file in your repository root to exclude paths like tests/ or node_modules/ from being scanned.

Does Semgrep share my code with third parties?

No, Semgrep runs locally on your machine or within your CI/CD environment, allowing for secure scanning without uploading source code to external servers.

When should I use Semgrep vs. CodeQL?

Use Semgrep for fast, pattern-based scans and intraprocedural analysis; consider CodeQL for more complex, deep-flow analysis across multiple files or interprocedural logic.

Can I create my own custom security rules?

Yes, Semgrep uses a simple YAML syntax that allows you to write custom rules based on the actual patterns and semantics of your code.

Semgrep Static Analysis

Name: Semgrep Static Analysis
Author: monmacllcapp

bymonmacllcapp

0•

Security & Testing

Scans codebases for security vulnerabilities, bugs, and style violations using fast, pattern-based static analysis.

The Semgrep skill empowers developers to perform rapid static analysis (SAST) to identify security flaws and enforce coding standards without requiring a full build of the application. It provides a comprehensive guide for running automated scans, implementing custom YAML-based rules, and integrating security checks directly into CI/CD pipelines. Ideal for security audits, large-scale refactoring, and maintaining high code quality, this skill helps catch systemic issues across various programming languages in minutes rather than hours.

Key Features

01Extensive library of pre-configured security and best-practice rulesets

02Seamless CI/CD integration for automated pull request scanning

03Fast, buildless static analysis for dozens of programming languages

04Advanced taint analysis and dataflow tracing to track untrusted input

05Custom rule creation using intuitive, code-like YAML syntax

060 GitHub stars

Use Cases

01Conducting rapid security audits to find common vulnerabilities like SQL injection or insecure SSL

02Implementing automated security gates in GitHub Actions to block vulnerable code before it merges

03Enforcing organization-specific coding standards and deprecating legacy APIs across large codebases

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add monmacllcapp/skill-forks semgrep

For use in Claude.ai and ChatGPT

Download Skill