vapt-cloud

vapt-cloud is a skill for Claude Code, Codex from bhuvangupta/vapt-claude. It costs 0 tokens per session (2,133 once invoked), scanned C, original, MIT.

A workflow for checking publicly reachable cloud infrastructure, such as AWS, Azure, or Google Cloud services. It detects the provider and looks for exposed services and common configuration mistakes.

In plain words
What is it for?
Use it to identify cloud providers and services, then check storage buckets, content delivery systems, serverless functions, databases, and related public settings.
Why use it?
It helps reveal cloud resources that may be unintentionally public or configured in an unsafe way.

Skill for Claude CodeCodex

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

Good fit Use it to identify cloud providers and services, then check storage buckets, content delivery systems, serverless functions, databases, and related public settings.

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Install with agentmods
npx agentmods add skills/bhuvangupta/vapt-claude/vapt-cloud
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-cloud
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-cloud

README.md
[![agentmods](https://agentmods.dev/badge/skills/bhuvangupta/vapt-claude/vapt-cloud.svg)](https://agentmods.dev/skills/bhuvangupta/vapt-claude/vapt-cloud)
Your own site
<a href="https://agentmods.dev/skills/bhuvangupta/vapt-claude/vapt-cloud"><img src="https://agentmods.dev/badge/skills/bhuvangupta/vapt-claude/vapt-cloud.svg" alt="Measured on agentmods" 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 2,133 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 3 findings. 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 $0.02133
Opus 5 $0.00000 $0.01066
Sonnet 5 $0.00000 $0.00427
Haiku 4.5 $0.00000 $0.00213

Measured 8d ago against content hash b1a71b26fd5a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade C, and why

vapt-cloud scanned grade C with 3 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 8d 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.

Reaches for credential filesmediumPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

curl -s -o /dev/null -w "%{http_code}" "<url>/.aws/credentials"

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Cloud metadata endpointmediumServer-side request forgery

One request to 169.254.169.254 can return temporary IAM credentials.

http://169.254.169.254/latest/meta-data/

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Makes network callslowCapability

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

curl -sI <url> | grep -iE 'x-amz|x-goog|x-ms|x-azure|server.*amazon|server.*google|server.*microsoft'
skills/vapt-cloud/SKILL.md · 279 lines

How it starts

The opening of the file, as written. The whole thing — 279 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cloud Misconfiguration Testing

When Invoked

The user runs /vapt cloud <url> for cloud infrastructure security testing.

Detects cloud provider (AWS, Azure, GCP) and tests for common misconfigurations exposed to the public internet.

Phase 1: Cloud Provider Detection

1.1 Infrastructure Fingerprinting

# Check response headers for cloud indicators
curl -sI <url> | grep -iE 'x-amz|x-goog|x-ms|x-azure|server.*amazon|server.*google|server.*microsoft'

# Check IP ranges
dig +short <domain> | head -1
# Compare resolved IP against known cloud CIDR ranges

# Check for cloud-specific URLs in page source
curl -sL <url> | grep -oiE 'https?://[a-z0-9.-]*(amazonaws\.com|storage\.googleapis\.com|blob\.core\.windows\.net|azurewebsites\.net|cloudfront\.net|appspot\.com)[^"'"'"'\s]*' | sort -u

1.2 Service Detection

Identify cloud services in use:

  • S3/GCS/Azure Blob (object storage)
  • CloudFront/Cloud CDN/Azure CDN
  • API Gateway
  • Lambda/Cloud Functions/Azure Functions
  • Cognito/Firebase Auth/Azure AD
  • RDS/Cloud SQL/Azure SQL
  • ElastiCache/Memorystore/Azure Cache

Phase 2: Storage Bucket Testing

2.1 S3 Bucket Discovery

# Check for common bucket naming patterns
for prefix in <domain> <domain_no_tld> <company_name> www.<domain> assets.<domain> backup.<domain> dev.<domain> staging.<domain> logs.<domain> media.<domain>; do
    # Check if bucket exists and is listable
    curl -s -o /dev/null -w "%{http_code}" "https://$prefix.s3.amazonaws.com/"
    curl -s -o /dev/null -w "%{http_code}" "https://s3.amazonaws.com/$prefix/"
done

2.2 Bucket Permission Testing

For discovered buckets:

# Test list permission (anonymous)
curl -s "https://<bucket>.s3.amazonaws.com/?list-type=2&max-keys=10"

# Test read permission on common files
curl -s -o /dev/null -w "%{http_code}" "https://<bucket>.s3.amazonaws.com/index.html"

# Test write permission (PUT a test file)
curl -s -o /dev/null -w "%{http_code}" -X PUT \
    "https://<bucket>.s3.amazonaws.com/vapt-write-test.txt" \
    -d "VAPT write test - this file should not exist"

Read the full file on GitHub · 279 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. 8d ago First seen · 279 lines · 0 tokens per session scan C b1a71b26fd5a

Subscribe to this mod's changes

vapt-cloud 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 2,133 tokens. A static security scan graded it C with 3 findings (reaches for credential files, cloud metadata endpoint, 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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