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pentest_osint_cloud_assets

Probe common cloud storage bucket names derived from a domain across S3, Azure, GCS, and Spaces to identify exposed cloud assets during reconnaissance.

Instructions

Probe common cloud storage bucket names derived from the domain (S3, Azure, GCS, Spaces).

Input Schema

NameRequiredDescriptionDefault
domainYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.0

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations supplied, the description carries the full burden. It reveals the mechanism (deriving bucket names from the domain) but does not disclose that it makes outbound requests to third-party cloud endpoints, whether only accessible buckets are returned, how many candidate names are tried, or any rate/timeout behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

One front-loaded sentence with no filler; the mechanism and provider list come before any caveats. It is efficient, though the brevity is partly what leaves the definition under-specified.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with no annotations and no output schema, the description should at minimum say what comes back (bucket URLs, permission levels, found/not-found) and whether hits are ownership-verified. None of that is present, leaving the agent unable to predict the result shape or act on it.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is a single required parameter with 0% schema description coverage, so the schema says nothing about it. The description implicitly identifies the parameter's role as the base domain for name derivation, which adds meaningful context, but it does not specify accepted formats (bare domain vs. URL) or wildcard/subdomain handling.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ("Probe") and resource ("common cloud storage bucket names derived from the domain") and enumerates the providers covered (S3, Azure, GCS, Spaces), so an agent knows exactly what this produces. It does not explicitly name how it differs from OSINT siblings like pentest_osint_crtsh or pentest_osint_takeover, but no sibling overlaps this bucket-enumeration niche.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives only implicit usage context via the name derivation mechanism; there is no statement of when to prefer this over pentest_recon_subdomains or pentest_osint_shodan, no prerequisite about scope authorization, and no warning about probing third-party bucket namespaces.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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