---
title: "Semgrep Pattern Matching Analyzer"
description: "Writes and deploys custom Semgrep rules using pattern, pattern-either, and metavariable-regex operators for multi-language SAST scanning. Manages rule bundles in semgrep.yml with autofix transformations."
verification: "security_reviewed"
source: "https://github.com/semgrep/semgrep"
category:
  - "Code Quality & Review"
framework:
  - "OpenClaw"
tool_ecosystem:
  github_repo: "semgrep/semgrep"
  github_stars: 14794
---

# Semgrep Pattern Matching Analyzer

Writes and deploys custom Semgrep rules using pattern, pattern-either, and metavariable-regex operators for multi-language SAST scanning. Manages rule bundles in semgrep.yml with autofix transformations.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/semgrep-pattern-matching-analyzer/)