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Agent skill

Php Filesystem Audit

by 0xShe in 0xShe/PHP-Code-Audit-Skill

PHP 文件系统操作审计工具。聚焦 mkdir/chmod/chown/unlink/rmdir/link/symlink/readlink/touch/权限与 TOCTOU 等操作的安全风险，为路径校验绕过与写入链利用提供“可利用性增强证据”（不替代 FILE/UPLOAD/WRITE 等 sink 子审计）。

No licenceAuto-check passedBackend & APIs

Install Php Filesystem Audit

skills CLI
$ npx skills add 0xShe/PHP-Code-Audit-Skill --skill php-filesystem-audit -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install 0xShe/PHP-Code-Audit-Skill php-filesystem-audit --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/0xShe/PHP-Code-Audit-Skill.git skills-src && mkdir -p .claude/skills && cp -r skills-src/php-filesystem-audit .claude/skills/php-filesystem-audit && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
php-filesystem-audit
GitHub stars
402
Used in
1 other repo
Token cost
~1k tokens
SKILL.md length
173 words
Files
1
Skills in repo
32
Repo updated
First seen
Licence
None found

At a glance

PHP 文件系统操作审计工具。聚焦 mkdir/chmod/chown/unlink/rmdir/link/symlink/readlink/touch/权限与 TOCTOU 等操作的安全风险，为路径校验绕过与写入链利用提供“可利用性增强证据”（不替代 FILE/UPLOAD/WRITE 等 sink 子审计）。

  • Works in 5 steps: 创建/目录操作 → 权限/所有权变更（常用于提权链或绕过执行策略） → 链接与重定向落点（常见 symlink/hardlink 绕过） → …
  • Tasks that involve File uploads and storage
  • SKILL.md covers 覆盖范围（必做）, 关键输出要求（强制）, 报告输出 and 漏洞编号规范（建议：FS）, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Php Filesystem Audit is an agent skill from 0xShe/PHP-Code-Audit-Skill. PHP 文件系统操作审计工具。聚焦 mkdir/chmod/chown/unlink/rmdir/link/symlink/readlink/touch/权限与 TOCTOU 等操作的安全风险，为路径校验绕过与写入链利用提供“可利用性增强证据”（不替代 FILE/UPLOAD/WRITE 等 sink 子审计）。

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Backend & APIs, covering File uploads and storage. It works with PHP. The repository describes itself as: PHP-Code-Audit-Skill是一个专注于PHP代码审计的Skill.

When your agent uses it

  • Tasks that involve File uploads and storage

Example prompts

  • “可利用性增强证据”
  • “/php-filesystem-audit”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. 创建/目录操作
  2. 权限/所有权变更（常用于提权链或绕过执行策略）
  3. 链接与重定向落点（常见 symlink/hardlink 绕过）
  4. 删除与清理（结合 TOCTOU 或覆盖链）
  5. 路径竞态与 TOCTOU（必须单独审计）

What it can do on your machine

Read from SKILL.md and the folder at commit 69d883e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Php Filesystem Audit loads about 1k tokens when it runs. Until then it costs about 45 tokens; SKILL.md has 173 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~45
When it runs · the whole SKILL.md, loaded when a task matches
~1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 173 words (~1,039 tokens).

name
php-filesystem-audit

Read the full SKILL.md on GitHub

Files

Just SKILL.md in php-filesystem-audit of 0xShe/PHP-Code-Audit-Skill.

Open the folder on GitHubat commit 69d883e

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in 0xShe/PHP-Code-Audit-Skill, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Php Filesystem Audit next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Php Filesystem Audit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Php Filesystem Audit this skill0xShe/PHP-Code-Audit-Skill4021 repos~1kAutomated safety check: PassNone
Helpers And Infra Keeperdiscord-php/DiscordPHP1.1k—~2.2kAutomated safety check: PassMIT
Hunt File Uploadsickn33/agentic-awesome-skills47k1 repos~2.4kAutomated safety check: PassMIT
Wp Security Reviewjorgerosal/wordpress-skills100—~6.4kAutomated safety check: PassMIT
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Fortify Developmentcoollabsio/coolify63k4 repos~1.9kAutomated safety check: PassMIT

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Works with

Categories

Questions about Php Filesystem Audit

What does Php Filesystem Audit do?

PHP 文件系统操作审计工具。聚焦 mkdir/chmod/chown/unlink/rmdir/link/symlink/readlink/touch/权限与 TOCTOU 等操作的安全风险，为路径校验绕过与写入链利用提供“可利用性增强证据”（不替代 FILE/UPLOAD/WRITE 等 sink 子审计）。. Php Filesystem Audit is an agent skill from 0xShe/PHP-Code-Audit-Skill.

When should I use Php Filesystem Audit?

Php Filesystem Audit fits situations like: tasks that involve File uploads and storage.

How do I install Php Filesystem Audit in Claude Code?

Run `npx skills add 0xShe/PHP-Code-Audit-Skill --skill php-filesystem-audit -a claude-code`. Or copy the skill folder (php-filesystem-audit in 0xShe/PHP-Code-Audit-Skill) into .claude/skills/php-filesystem-audit in your project. Claude Code loads it when a task matches its description.

How do I install Php Filesystem Audit in Codex?

Run `npx skills add 0xShe/PHP-Code-Audit-Skill --skill php-filesystem-audit -a codex`. Or copy the skill folder (php-filesystem-audit in 0xShe/PHP-Code-Audit-Skill) into .agents/skills/php-filesystem-audit in your project. Codex loads it when a task matches its description.

Can I use Php Filesystem Audit in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add 0xShe/PHP-Code-Audit-Skill --skill php-filesystem-audit -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/php-filesystem-audit, .gemini/skills/php-filesystem-audit, .github/skills/php-filesystem-audit and .opencode/skills/php-filesystem-audit in your project.

What does Php Filesystem Audit need to run?

SKILL.md names no scripts, command-line tools or credentials: Php Filesystem Audit is instructions for the agent only.

Does Php Filesystem Audit access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Php Filesystem Audit safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Php Filesystem Audit use?

No licence was found for Php Filesystem Audit or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Php Filesystem Audit use?

About 1k tokens (SKILL.md is roughly 4.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Php Filesystem Audit?

Skills that share tags, products or a category with Php Filesystem Audit: Helpers And Infra Keeper (discord-php/DiscordPHP, 1.1k stars), Hunt File Upload (sickn33/agentic-awesome-skills, 47k stars), Wp Security Review (jorgerosal/wordpress-skills, 100 stars) and Configuring Horizon (coollabsio/coolify, 63k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Php Filesystem Audit?

0xShe (a GitHub user) maintains it in 0xShe/PHP-Code-Audit-Skill, which has 402 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on March 25, 2026.

Source: 0xShe/PHP-Code-Audit-Skill on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.