hackerone

A safety workflow for HackerOne bug-bounty programs, where researchers report security issues in participating websites and services. It reads the program’s allowed targets and rules before passing each permitted asset to penetration-testing steps.

In plain words
What is it for?
It is for reading HackerOne scope, separating allowed and excluded assets, handling pages that require login or JavaScript, and enforcing the program’s rules during testing.
Why use it?
It reduces the risk of testing a system that the program excludes or that has different reporting conditions.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/fb0sh/pentester/hackerone
Any agent
npx skills add fb0sh/pentester --skill hackerone
Clone the repo
git clone --depth 1 https://github.com/fb0sh/pentester

Made for: Claude Code, Codex.

Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,624 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00043 $0.01624
Opus 5 $0.00022 $0.00812
Sonnet 5 $0.00009 $0.00325
Haiku 4.5 $0.00004 $0.00162

Measured 2d ago against content hash 6d89f7bb4313, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

hackerone scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to hackerone — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/third-party/hackerone/SKILL.md · 113 lines

How it starts

The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.

HackerOne 赏金 scope-guard Skill

你当前正在执行 HackerOne bug bounty 流程。本 Skill 是一层 scope-guard wrapper: 先解析并强制 program scope 与 program rules,再把每个 in-scope asset 交给 pentest-flow Skill 执行真正的渗透。严禁在任何阶段触碰 out-of-scope asset。

启动参数是一个 HackerOne program 链接(<SCOPE LINK>),例如 hackerone.com/<handle>.../policy_scopes。本 Skill 无预设 target (frontmatter requires_target: false)——target 从 scope 中发现。

阶段一:读取 scope(Read scope)

  1. 优先 fetch 链接

    • 用 fetch 工具访问传入的 <SCOPE LINK>
    • HackerOne 是 JavaScript SPA:hackerone.com/* 的 fetch 通常只返回 空 app shell,没有渲染出的 scope 行(scope 数据来自 hackerone.com/graphql 或 authenticated api.hackerone.com,naive fetch 拿不到)。
    • 检测空壳:若响应中没有可识别的 scope 表格 / asset 列表(只有 <div id="app"> 之类的骨架),判定为 fetch 失败。
  2. fallback:请用户粘贴 scope

    • fetch 为空 / 被 login-wall / 仅 JS 渲染时,这是常态而非例外

    • 请用户从 program 页面的 Scope 标签把 in-scope 与 out-of-scope 两张表 直接粘贴过来。给出一个可参照的粘贴格式示例:

      In scope:
      https://api.example.com        | URL       | Eligible for bounty
      *.example.com                  | WILDCARD  | Eligible for bounty
      app.example.com                | URL       | In scope, NOT bounty-eligible
      com.example.android            | GOOGLE_PLAY_APP_ID | Eligible for bounty
      
      Out of scope:
      blog.example.com               | URL
      *.corp.example.com             | WILDCARD
      
  3. 宽松解析(lenient parse)

    • 从粘贴或 fetch 结果中提取两个列表:in-scopeout-of-scope
    • 识别 asset type(human label 或 API enum 均可): URLWILDCARD*.x.com)、CIDR/IP、SOURCE_CODEGOOGLE_PLAY_APP_ID/APPLE_STORE_APP_ID/TESTFLIGHT/OTHER_APK/OTHER_IPAHARDWAREAI_MODELSMART_CONTRACTOTHER 等。
    • 识别 eligibility 三态(submission 与 bounty 是两个独立布尔):
      • submission=true, bounty=true → in scope,可测,有赏金。
      • submission=true, bounty=falsein scope,可测,无赏金(勿与 out-of-scope 混淆)。
      • submission=falseout of scope,绝不测试
    • 解析不确定时,向用户确认,绝不把 asset 默认当作 in-scope

Read the full file on GitHub · 113 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 113 lines · 43 tokens per session scan A 6d89f7bb4313

Subscribe to this mod's changes

hackerone is a skill published in the GitHub repository fb0sh/pentester (23 stars, last pushed 1mo ago), licensed MIT. It adds 43 tokens to every session and 1,624 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to hackerone, differing in 0 lines, and is treated as a copy.

Related

Other skills, from other repositories

transilience-report-style

Threat Intelligence Report Design System — ReportLab-based PDF generation for A4 reports with Transilience branding, typography, and layout standards.

transilienceai/communitytools · 31 tokens

firewall-review

Evidence-safe firewall ruleset audit reference specification — 22 documented detector patterns (17 vendor-agnostic plus 5 FortiGate-specific), a 15-check semantic catalogue, CIS Fortinet FortiGate Benchmark guidance, a custom customer-policy benchmark, and consolidated network-team Excel profiles including grouped…

transilienceai/communitytools · 100 tokens

pentest-engagement

Run a professional penetration engagement OR a network vulnerability scan from a scope. WEB mode (apex domains / app URLs) — mandatory surface expansion, systematic OWASP attack-class coverage, reversible active exploitation, authoritative validation, Transilience PDF. NETWORK mode (a list of IPs/CIDRs, e.g. 1500…

transilienceai/communitytools · 140 tokens

coordination

Pentest coordination — orchestrates executor and validator agents with context-controlled spawning. Entry point for all engagements.

transilienceai/communitytools · 24 tokens

hackerone

HackerOne bug bounty automation - parses scope CSVs, deploys parallel pentesting agents per asset, validates PoCs, and generates platform-ready submission reports.

transilienceai/communitytools · 36 tokens

pci-secure-software

Automated PCI Secure Software Standard (SSS) v2.0 readiness gap-assessment of an application from its source code and documentation. Deterministically enumerates every applicable Test Requirement from a pinned catalog, gathers source/doc evidence, and emits an evidence-bound per-requirement verdict (MET / NOTMET /…

transilienceai/communitytools · 162 tokens