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Hunt Ato

Hunt Ato is an agent skill (a SKILL.md file) from elementalsouls/Claude-BugHunter. Hunt account takeover taxonomy — 9 distinct paths to ATO, plus chains. It works with Claude Code, Codex and OpenCode and has 5,306 GitHub stars across a repository of 4 listed skills.

github.com/elementalsouls/Claude-BugHunter/skills/hunt-ato (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add elementalsouls/Claude-BugHunter
/plugin install claude-bughunter@elementalsouls

In the Claude apps, zip the hunt-ato 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/elementalsouls/Claude-BugHunter.git
cp -r Claude-BugHunter/skills/hunt-ato .agents/skills/hunt-ato   # 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/elementalsouls/Claude-BugHunter.git
cp -r Claude-BugHunter/skills/hunt-ato .cursor/skills/hunt-ato   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (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

Hunt account takeover taxonomy — 9 distinct paths to ATO, plus chains. Paths: (1) password reset flaws (host-header injection redirects token, predictable/numeric token, Referer leak, no-expiry/reuse), (2) email change without re-auth, (3) OAuth account-link CSRF, (4) MFA bypass (per hunt-mfa-bypass), (5) session fixation, (6) JWT manipulation (forge token to another identity; crypto details → hunt-jwt-crypto), (7) password change without step-up (chain with login timing/length oracle), (8)…

When it triggers

  • Use when hunting ATO chains, testing password reset / email change / MFA / OAuth / session / JWT, or chaining primitives toward Critical.

More skills in elementalsouls/Claude-BugHunter

4 skills are listed from this repository.

Similar skills

More security skills

All Security

FAQ

Hunt Ato FAQ

Still curious? Email info@appsgit.com.

How do I install the Hunt Ato skill?

In Claude Code, run /plugin marketplace add elementalsouls/Claude-BugHunter and then /plugin install claude-bughunter@elementalsouls. For Codex or Cursor, copy the hunt-ato folder into .agents/skills/ or .cursor/skills/.

Is the Hunt Ato skill free?

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

Is Hunt Ato maintained?

The repository's most recent commit was on Oct 25, 2026. Its latest release is v2.1. appsgit only lists skills from repositories with a commit in the last six months.