vapt-scan

vapt-scan is a skill for Claude Code, Codex from bhuvangupta/vapt-claude. It costs 0 tokens per session (1,498 once invoked), scanned A, original, MIT.

A web application security scanner that checks a website for discoverable folders, files, backup copies and configuration files.

In plain words
What is it for?
Use it to scan a URL during a vulnerability audit and check common website paths with available scanning tools or HTTP requests.
Why use it?
It helps find publicly reachable paths and files that may expose administrative areas or sensitive information.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to scan a URL during a vulnerability audit and check common website paths with available scanning tools or HTTP requests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bhuvangupta/vapt-claude/vapt-scan
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.

Any agent
npx skills add bhuvangupta/vapt-claude --skill vapt-scan
Clone the repo
git clone --depth 1 https://github.com/bhuvangupta/vapt-claude

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for vapt-scan

README.md
[![agentmods](https://agentmods.dev/badge/skills/bhuvangupta/vapt-claude/vapt-scan/github.svg)](https://agentmods.dev/skills/bhuvangupta/vapt-claude/vapt-scan)
Your own site
<a href="https://agentmods.dev/skills/bhuvangupta/vapt-claude/vapt-scan"><img src="https://agentmods.dev/badge/skills/bhuvangupta/vapt-claude/vapt-scan/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for vapt-scan

Your own site · 80×15
<a href="https://agentmods.dev/skills/bhuvangupta/vapt-claude/vapt-scan"><img src="https://agentmods.dev/badge/skills/bhuvangupta/vapt-claude/vapt-scan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,498 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00000 $0.01498
Opus 5 $0.00000 $0.00749
Sonnet 5 $0.00000 $0.00300
Haiku 4.5 $0.00000 $0.00150

Measured 9d ago against content hash e04ca628cf86, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

vapt-scan 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 9d 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.

**Fallback (curl-based):**
skills/vapt-scan/SKILL.md · 207 lines

How it starts

The opening of the file, as written. The whole thing — 207 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web Application Scanning

When Invoked

The user runs /vapt scan <url> or this skill is triggered as part of Wave 2 during /vapt audit.

Phase 1: Directory & File Discovery

1.1 Directory Brute-Forcing

If ffuf is installed:

ffuf -u <url>/FUZZ -w /usr/share/wordlists/dirb/common.txt -mc 200,301,302,403 -s

If feroxbuster is installed:

feroxbuster -u <url> -w /usr/share/wordlists/dirb/common.txt -s 200,301,302,403 --quiet

If dirsearch is installed:

dirsearch -u <url> -q

Fallback (curl-based): Check a curated list of common paths:

/admin, /login, /dashboard, /wp-admin, /wp-login.php, /administrator,
/phpmyadmin, /cpanel, /webmail, /api, /api/v1, /api/v2, /graphql,
/swagger, /swagger-ui, /api-docs, /docs, /status, /health, /metrics,
/debug, /trace, /actuator, /env, /config, /backup, /test, /staging,
/.git, /.svn, /.env, /.htaccess, /.htpasswd, /web.config, /crossdomain.xml,
/sitemap.xml, /robots.txt, /server-status, /server-info

For each path, check with curl:

curl -sI -o /dev/null -w "%{http_code}" <url>/<path>

1.2 Backup & Config File Detection

Check for exposed sensitive files:

/.env, /.env.bak, /.env.old, /.env.production
/.git/config, /.git/HEAD
/.svn/entries
/web.config, /web.config.bak
/.htaccess, /.htpasswd
/wp-config.php.bak, /wp-config.php.old
/config.php.bak, /database.yml
/.DS_Store
/thumbs.db
/error_log, /debug.log
/dump.sql, /backup.sql, /db.sql

1.3 Information Disclosure

Check for verbose error pages:

# Trigger errors
curl -s "<url>/nonexistent-page-12345"
curl -s "<url>/?id='"
curl -s "<url>/%"

Look for: stack traces, framework versions, file paths, SQL errors, debug information.

Phase 2: CMS Detection & Scanning

2.1 CMS Identification

Check for CMS indicators:

CMS Detection Method
WordPress /wp-login.php, /wp-admin/, meta generator tag, /wp-content/
Drupal /core/CHANGELOG.txt, X-Generator: Drupal, /sites/default/
Joomla /administrator/, meta generator tag, /media/system/
Magento /admin/, /skin/frontend/, cookie frontend
Shopify X-ShopId header, cdn.shopify.com references

Read the full file on GitHub · 207 lines

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. 9d ago First seen · 207 lines · 0 tokens per session scan A e04ca628cf86

Subscribe to this mod's changes

vapt-scan is a skill published in the GitHub repository bhuvangupta/vapt-claude (1 stars, last pushed 5mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,498 tokens. 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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