SkillsAdd

plurigrid/asi

semgrep-rule-creator

Create custom Semgrep rules for detecting bug patterns and security vulnerabilities.

First seen Jun 21, 2026

Installation

$ npx skills add plurigrid/asi --skill semgrep-rule-creator
View on skills.sh ↗ GitHub repository ↗

Summary

  • Create custom Semgrep rules for detecting bug patterns and security vulnerabilities.
  • This skill should be used when the user explicitly asks to "create a Semgrep rule", "write a Semgrep rule", "make a Semgrep rule", "build a Semgrep rule", or requests detection of a specific bug pattern, vulnerability, or insecure code pattern using Semgrep.

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 62
License LICENSE
Default branch main
Open issues 3
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

LicenseAGPL-3.0

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,796 B
  • docs SUMMARY.md 371 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 1 installs

SKILL.md

Semgrep Rule Creator Skill

Trit: 1 (PLUS) Category: semgrep-rule-creator Author: Trail of Bits Source: trailofbits/skills License: AGPL-3.0

Description

Create custom Semgrep rules for detecting bug patterns and security vulnerabilities. This skill should be used when the user explicitly asks to "create a Semgrep rule", "write a Semgrep rule", "make a Semgrep rule", "build a Semgrep rule", or requests detection of a specific bug pattern, vulnerability, or insecure code pattern using Semgrep.

When to Use

This is a Trail of Bits security skill. Refer to the original repository for detailed usage guidelines and examples.

See: https://github.com/trailofbits/skills

Related Skills

  • audit-context-building
  • codeql
  • semgrep
  • variant-analysis

SDF Interleaving

This skill connects to Software Design for Flexibility (Hanson & Sussman, 2021):

Primary Chapter: 4. Pattern Matching

Concepts: unification, match, segment variables, pattern

GF(3) Balanced Triad

semgrep-rule-creator (−) + SDF.Ch4 (+) + [balancer] (○) = 0

Skill Trit: -1 (MINUS - verification)

Connection Pattern

Pattern matching extracts structure. This skill recognizes and transforms patterns.