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dewhush
by dewhush

Http Probe

http_probe

Probe hosts to find live HTTP(S) services, using a provided list or reusing hosts from earlier scans.

Instructions

Probe hosts for live HTTP(S) services.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
hostsNoList of hostnames/URLs. Required unless from_token is given.
from_tokenNoReuse hosts discovered by an earlier call (e.g. subdomain_enum).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden and provides almost nothing: no note on network traffic generation, rate limits, whether the probe is non-destructive, timeouts, or concurrency. For an active network-probing tool, that is a significant gap.

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?

A single front-loaded sentence with zero filler. It is efficient, though brevity here edges toward under-specification rather than crisp conciseness.

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

Completeness3/5

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

The output schema exists, so return values need not be explained, and both parameters are documented. What is missing is the when-to-use context and any behavioral notes for a tool that generates live network traffic.

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?

Schema description coverage is 100%, so both parameters are fully documented in the schema and the baseline of 3 applies. The description adds no extra syntax or semantics beyond what the schema already provides.

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?

The description states a specific verb (Probe) and resource (hosts for live HTTP(S) services), so the agent knows it is an HTTP liveness check. However, it does not distinguish itself from siblings like port_scan or tech_detect, which also touch live services.

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?

No guidance on when to use this tool versus port_scan, tech_detect, or dns_resolve. The presence of a from_token parameter chaining from subdomain_enum is a usage hint, but it lives in the schema, not the description.

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