Agent skill

License Robustness Audit

by ptn1411 in ptn1411/skill

Defensive audit of a license/entitlement/activation mechanism on software you own or are authorized to test.

No licenceAuto-check: notesSecurity

Install License Robustness Audit

skills CLI
$ npx skills add ptn1411/skill --skill license-robustness-audit -a claude-code

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

GitHub CLI
$ gh skill install ptn1411/skill license-robustness-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/ptn1411/skill.git skills-src && mkdir -p .claude/skills && cp -r skills-src/license-robustness-audit .claude/skills/license-robustness-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
license-robustness-audit
GitHub stars
219
Token cost
~1k tokens
SKILL.md length
406 words
Files
3 (incl. scripts, references)
Skills in repo
22
Repo updated
First seen
Licence
None found

At a glance

Defensive audit of a license/entitlement/activation mechanism on software you own or are authorized to test.

  • Works in 3 steps: Authorization & Boundary → Point it at your source → Read the audit
  • Security work in your project
  • SKILL.md covers 0. Authorization & Boundary, Step 1 — Point it at your source, Step 2 — Read the audit and What it flags (design…, plus 1 more section
  • Runs Python scripts from its folder; calls python

What it does

License Robustness Audit is an agent skill from ptn1411/skill. Defensive audit of a license/entitlement/activation mechanism on software you own or are authorized to test. Maps the validation surface, flags design weaknesses that make checks easy to abuse, and produces hardening guidance plus an allow/deny test scaffold — without generating keygens, patches, or bypasses.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts and reference files (for example `references/license_hardening.md` and `scripts/audit_license.py`).

It sits in Security. It works with Electron, Java and .NET. The repository describes itself as: Bộ công cụ và tập hợp skill hỗ trợ phân tích phần mềm, khôi phục cấu trúc nguồn ở mức cần thiết, rà soát bảo mật, kiểm tra phụ thuộc và xây dựng kế hoạch khắc phục cho các hệ…

When your agent uses it

  • Security work in your project

Example prompts

  • “/license-robustness-audit”

Requirements

  • Python 3
  • Pre-approved tools (allowed-tools): Read, Write, Edit, Glob, Grep, Bash

Workflow steps

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

  1. Authorization & Boundary
  2. Point it at your source
  3. Read the audit

What it can do on your machine

Read from SKILL.md and the folder at commit ce2b65e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Glob
    • Grep
    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python

    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

License Robustness Audit loads about 1k tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 84 tokens; SKILL.md has 406 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~84
When it runs · the whole SKILL.md, loaded when a task matches
~1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.6k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Write, Edit, Glob, Grep, Bash

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); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 406 words (~1,002 tokens).

“Operates under MASTER_POLICY.md §1-§2. Use only on software you own or are authorized to assess.”

— opening of SKILL.md by ptn1411
name
license-robustness-audit
allowed-tools
Read, Write, Edit, Glob, Grep, Bash

Read the full SKILL.md on GitHub

Files

SKILL.md and 2 other files (scripts, references) in license-robustness-audit of ptn1411/skill.

  • SKILL.md
  • references/license_hardening.md
  • scripts/audit_license.py

Open the folder on GitHubat commit ce2b65e

Compare with similar skills

License Robustness 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.

License Robustness Audit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
License Robustness Audit this skillptn1411/skill219—~1kAutomated safety check: NotesNone
Audit SkillsRuoJi6/audit-skills1k—~447Automated safety check: PassNone
Deserialization TestingNeoTheCapt/RedteamAgent143—~836Automated safety check: PassNone
Xslt Injectionlangbyyi/CyberStrikeAI-SRC1291 repos~3kAutomated safety check: PassApache-2.0
Hunt DeserializationEncod3d-Sec/TORCH329—~1.7kAutomated safety check: PassMIT
Insecure Deserialization PlaybookPentesterFlow/agent1.4k—~1.7kAutomated safety check: PassApache-2.0

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Categories

Questions about License Robustness Audit

What does License Robustness Audit do?

Defensive audit of a license/entitlement/activation mechanism on software you own or are authorized to test. License Robustness Audit is an agent skill from ptn1411/skill. Defensive audit of a license/entitlement/activation mechanism on software you own or are authorized to test.

When should I use License Robustness Audit?

License Robustness Audit fits situations like: security work in your project.

How do I install License Robustness Audit in Claude Code?

Run `npx skills add ptn1411/skill --skill license-robustness-audit -a claude-code`. Or copy the skill folder (license-robustness-audit in ptn1411/skill) into .claude/skills/license-robustness-audit in your project. Claude Code loads it when a task matches its description.

How do I install License Robustness Audit in Codex?

Run `npx skills add ptn1411/skill --skill license-robustness-audit -a codex`. Or copy the skill folder (license-robustness-audit in ptn1411/skill) into .agents/skills/license-robustness-audit in your project. Codex loads it when a task matches its description.

Can I use License Robustness 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 ptn1411/skill --skill license-robustness-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/license-robustness-audit, .gemini/skills/license-robustness-audit, .github/skills/license-robustness-audit and .opencode/skills/license-robustness-audit in your project.

What does License Robustness Audit need to run?

Going by SKILL.md and its folder, License Robustness Audit needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Write, Edit, Glob, Grep, Bash.

Does License Robustness 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 License Robustness Audit safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does License Robustness Audit use?

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

How many tokens does License Robustness Audit use?

About 1k tokens (SKILL.md is roughly 4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 591 tokens, read only when the agent opens those files.

What are the alternatives to License Robustness Audit?

Skills that share tags, products or a category with License Robustness Audit: Audit Skills (RuoJi6/audit-skills, 1k stars), Deserialization Testing (NeoTheCapt/RedteamAgent, 143 stars), Xslt Injection (langbyyi/CyberStrikeAI-SRC, 129 stars) and Hunt Deserialization (Encod3d-Sec/TORCH, 329 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains License Robustness Audit?

ptn1411 (a GitHub user) maintains it in ptn1411/skill, which has 219 GitHub stars. The repository holds 22 skills in this directory. The repository was last updated on September 22, 2026.

Source: ptn1411/skill on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.