ClaudSkills / Engineering / engineering-misc

Ast Injection Scanner

Q: What is a Claude Code skill and how does the Ast Injection Scanner skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Ast Injection Scanner is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: engineering-misc · Last updated: 2026-06-04

Statically scan agent-generated JavaScript and shell scripts for dangerous patterns using AST analysis (acorn/swc). Detect eval(), process.env access, dynamic require(), child_process usage, and path traversal before code execution.

About this skill (catalog notes)

Ast Injection Scanner includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); at least one code block. The SKILL.md is on the shorter side at about 521 words.

Original author: phamlongh230-lgtm
Indexed lastmod: 2026-06-04
Catalog position: Engineering · engineering-misc
Indexed related skills: 10

How Ast Injection Scanner fits the catalog

Ast Injection Scanner sits in the Engineering category under the engineering-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Parse agent-generated code into an Abstract Syntax Tree and walk every node looking for dangerous call patterns — before any line is executed.

What this skill does

Ast Injection Scanner is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/ast-injection-scanner/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Ast Injection Scanner Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 120,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/ast-injection-scanner
curl -L https://claudskills.com/skills/ast-injection-scanner/SKILL.md \
  -o ~/.claude/skills/ast-injection-scanner/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/ast-injection-scanner/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/ast-injection-scanner/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\ast-injection-scanner\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Ast Injection Scanner Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/ast-injection-scanner/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Ast Injection Scanner skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Ast Injection Scanner skill?

Use Ast Injection Scanner when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Ast Injection Scanner" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Ast Injection Scanner skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Ast Injection Scanner is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/phamlongh230-lgtm/yamtam-engine/blob/HEAD/.claude/skills/ast-injection-scanner/SKILL.md
Author: phamlongh230-lgtm

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

phamlongh230-lgtm. (2026). Ast Injection Scanner [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/ast-injection-scanner/

BibTeX

@misc{ast-injection-scanner-2026,
  author    = {phamlongh230-lgtm},
  title     = {Ast Injection Scanner [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/ast-injection-scanner/}
}

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Badge

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Browse all Engineering skills → Top 100 skills

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