BugBountyWorkflow

A workflow for finding security weaknesses in websites or other systems and writing reports for bug-bounty programs, where researchers disclose vulnerabilities to participating organizations.

In plain words
What is it for?
Use it for bug-bounty scope review, subdomain discovery, vulnerability reports, proof-of-concept guidance, CVSS severity assessment, and disclosure workflows.
Why use it?
It organizes reconnaissance, proof-of-concept creation, severity scoring, and responsible disclosure so findings can be documented and submitted consistently.

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/securitytalent/bugskill-ai/bugbountyworkflow
Any agent
npx skills add SecurityTalent/bugskill-ai --skill bugbountyworkflow
Clone the repo
git clone --depth 1 https://github.com/SecurityTalent/bugskill-ai

Made for: Claude Code, Codex.

Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,952 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found 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 $0.00058 $0.04952
Opus 5 $0.00029 $0.02476
Sonnet 5 $0.00012 $0.00990
Haiku 4.5 $0.00006 $0.00495

Measured 2d ago against content hash cf6128265b67, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

BugBountyWorkflow scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl "https://crt.sh/?q=%.target.com&output=json" | jq -r '.[].name_value' | sort -u
Awesome-Claude-Code-Agent-Skills/BugBountyWorkflow/SKILL.md · 774 lines

How it starts

The opening of the file, as written. The whole thing — 774 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Bug Bounty Workflow Skill

Complete workflow for bug bounty hunting, from reconnaissance to report submission.

When to Activate

  • "bug bounty" → Full skill context
  • "write report" / "vulnerability report" → Report Writing section
  • "HackerOne" / "Bugcrowd" → Platform-Specific section
  • "PoC" / "proof of concept" → PoC Standards section
  • "severity" / "CVSS" → Severity Assessment section
  • "responsible disclosure" → Disclosure Workflow section
  • "recon" / "reconnaissance" → Reconnaissance section

Reconnaissance Workflow

1. Scope Analysis

# First: READ THE SCOPE CAREFULLY
# - What domains are in scope?
# - What's explicitly out of scope?
# - Any rate limiting requirements?
# - Specific vulnerability types excluded?

2. Apex and Subdomain Enumeration

Run the apexDiscovery skill to pull out other apexes for the main domain we find for the client. Then do subdomain discovery for ALL of them:

# Passive enumeration
subfinder -d target.com -o subdomains.txt
amass enum -passive -d target.com >> subdomains.txt

# Certificate transparency
curl "https://crt.sh/?q=%.target.com&output=json" | jq -r '.[].name_value' | sort -u

# Combine and dedupe
cat subdomains.txt | sort -u > unique-subdomains.txt

3. Live Host Detection

# Check which subdomains are alive
cat unique-subdomains.txt | httpx -o alive.txt -status-code -title -tech-detect

# With ports
cat unique-subdomains.txt | httpx -ports 80,443,8080,8443 -o alive-with-ports.txt

4. Technology Fingerprinting

# Identify frameworks
httpx -l alive.txt -tech-detect -json -o tech.json

# Manual checks
# - Look for X-Powered-By headers
# - Check /_next/, /static/, /api/ paths for Next.js
# - Check /wp-content/ for WordPress
# - Check /rails/ patterns for Ruby on Rails

5. Content Discovery

# Directory fuzzing with ffuf (ALWAYS use -ac)
ffuf -w /path/to/wordlist.txt -u https://target.com/FUZZ -ac -o results.json

# API endpoint discovery
ffuf -w api-wordlist.txt -u https://api.target.com/v1/FUZZ -ac -mc 200,201,401,403

# Parameter discovery
arjun -u https://target.com/page -o params.json

Read the full file on GitHub · 774 lines

Files

What ships with it

2 files 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 · 774 lines · 58 tokens per session scan A cf6128265b67

Subscribe to this mod's changes

BugBountyWorkflow is a skill published in the GitHub repository SecurityTalent/bugskill-ai (5 stars, last pushed 17d ago), licensed MIT. It adds 58 tokens to every session and 4,952 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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