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Browser Fingerprint Audit

Browser Fingerprint Audit is an agent skill (a SKILL.md file) from liarjsdev/liarjs-skills. Audit a browser fingerprint for internal contradictions with the liarjs CLI - canvas, WebGL, WebGL2, WebGPU, audio, 220 fonts, WebRTC and… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 518 GitHub stars across a repository of 4 listed skills.

github.com/liarjsdev/liarjs-skills/skills/browser-fingerprint-audit (opens in a new tab)

  • Multi-skill repo
  • Security
  • Actively maintained
View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/browser-fingerprint-audit ~/.claude/skills/browser-fingerprint-audit   # personal, or .claude/skills in a project

In the Claude apps, zip the browser-fingerprint-audit folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/browser-fingerprint-audit .agents/skills/browser-fingerprint-audit   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/liarjsdev/liarjs-skills.git
cp -r liarjs-skills/skills/browser-fingerprint-audit .cursor/skills/browser-fingerprint-audit   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Audit a browser fingerprint for internal contradictions with the liarjs CLI - canvas, WebGL, WebGL2, WebGPU, audio, 220 fonts, WebRTC and timezone probes, scored against the TLS/HTTP/ASN view of the same request. Use when asked to run a browser fingerprint test, see what a fingerprint looks like, check canvas or WebGL fingerprint stability, compare a spoofed profile against a real browser, or find out whether a browser profile is self-consistent. A browser controls its own JavaScript.

When it triggers

  • Use when asked to run a browser fingerprint test, see what a fingerprint looks like, check canvas or WebGL fingerprint stability, compare a spoofed profile against a real browser, or find out whether a browser profile is self-consistent.

More skills in liarjsdev/liarjs-skills

4 skills are listed from this repository.

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FAQ

Browser Fingerprint Audit FAQ

Still curious? Email info@appsgit.com.

What is the Browser Fingerprint Audit skill?

Browser Fingerprint Audit is an agent skill (a SKILL.md file) from liarjsdev/liarjs-skills. Audit a browser fingerprint for internal contradictions with the liarjs CLI - canvas, WebGL, WebGL2, WebGPU, audio, 220 fonts, WebRTC and… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 518 GitHub stars across a repository of 4 listed skills. Its SKILL.md lives at github.com/liarjsdev/liarjs-skills/skills/browser-fingerprint-audit.

How do I install the Browser Fingerprint Audit skill?

Copy the browser-fingerprint-audit folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Browser Fingerprint Audit skill free?

Yes. The repository is open source under the MIT license.

Is Browser Fingerprint Audit maintained?

The repository's most recent commit was on Aug 6, 2026. appsgit only lists skills from repositories with a commit in the last six months.