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Updated 3mo ago

by semgrep

skills

A collection of skills for AI coding agents from Semgrep

Works with
  • Claude
View on GitHub (opens in a new tab)

339 GitHub stars (339)

+19 in 30 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Nov 5: +23 in total; the busiest day was Oct 15 with +2 stars.Oct 1: 0 starsOct 2: +1 starsOct 3: +1 starsOct 4: +1 starsOct 5: +1 starsOct 6: 0 starsOct 7: +1 starsOct 8: +1 starsOct 9: 0 starsOct 10: +1 starsOct 11: +1 starsOct 12: 0 starsOct 13: +1 starsOct 14: 0 starsOct 15: +2 starsOct 16: +1 starsOct 17: 0 starsOct 18: 0 starsOct 19: 0 starsOct 20: +2 starsOct 21: 0 starsOct 22: 0 starsOct 23: 0 starsOct 24: 0 starsOct 25: +1 starsOct 26: +1 starsOct 27: 0 starsOct 28: 0 starsOct 29: +1 starsOct 30: +2 starsOct 31: +1 starsNov 1: 0 starsNov 2: +1 starsNov 3: +1 starsNov 4: 0 starsNov 5: +1 stars
Stars gained between daily snapshots
PeriodNew stars
Oct 10
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Nov 5+1
  • 3 skills (3 skills found in its SKILL.md files)
  • 34 forks (34 forks)
  • 3mo ago last update (Last updated 3mo ago)

Install

Skills CLI

npx skills add semgrep/skills

Asks which skills and agents to install. Just one: npx skills add semgrep/skills --skill code-security — add -g for every project.

Claude Code

git clone https://github.com/semgrep/skillscp -r "skills/skills/code-security" ~/.claude/skills/

Copies the code-security skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add semgrep/skills

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • code-security

    Security guidelines for writing secure code. Use when writing code, reviewing code for vulnerabilities, or asking about secure coding practices like 'check for SQL injection' or 'review security'. IMPORTANT: Always consult this skill when writing or reviewing any code that handles user input, authentication, file operations, database queries, network requests, cryptography, or infrastructure conf…

    skills/code-security/SKILL.md on GitHub (opens in a new tab)

  • llm-security

    Security guidelines for LLM applications based on OWASP Top 10 for LLM 2025. Use when building LLM apps, reviewing AI security, implementing RAG systems, or asking about LLM vulnerabilities like 'prompt injection' or 'check LLM security'. IMPORTANT: Always consult this skill when building chatbots, AI agents, RAG pipelines, tool-using LLMs, agentic systems, or any application that calls an LLM AP…

    skills/llm-security/SKILL.md on GitHub (opens in a new tab)

  • semgrep

    Run Semgrep static analysis scans and create custom detection rules. Use when asked to scan code with Semgrep, find security vulnerabilities, write custom YAML rules, or detect specific bug patterns. IMPORTANT: Also use this skill when users ask to 'scan for bugs', 'check code quality', 'find vulnerabilities', 'static analysis', 'lint for security', 'audit this code', or want to enforce coding st…

    skills/semgrep/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.