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pentest_ctf_binwalk

Analyze embedded files and signatures in a binary or firmware image using binwalk to uncover hidden archives, file systems, and embedded content.

Instructions

Run binwalk for embedded-file/signature analysis (requires binwalk).

Input Schema

NameRequiredDescriptionDefault
pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.0

TDQS

C2.7/5.0
Behavior2/5

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

No annotations exist, so the description carries the full behavioral burden and largely fails to. It does not say that binwalk only reads the target (non-destructive), whether extraction is performed, expected runtime, or what output the agent will receive; '(requires binwalk)' is the sole behavioral detail.

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 short sentence with the core action front-loaded and the prerequisite in parentheses; no wasted phrasing. It is arguably too terse rather than padded.

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?

With no annotations, no output schema, and an undocumented parameter, the definition leaves too much to inference for even a simple wrapper. At minimum it should describe the input path and the form of binwalk's signature/offset output.

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

Parameters2/5

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

The single required parameter 'path' has 0% schema description coverage and the description says nothing about it – whether it is a local file path, a required-existing file, or a directory. The agent must infer this entirely on its own.

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 ('Run binwalk') and resource purpose ('embedded-file/signature analysis'), which tells an agent what class of task it handles. It does not explicitly distinguish itself from close siblings such as pentest_ctf_file_info or pentest_ctf_strings, which overlap in file inspection.

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 only guidance is the prerequisite note '(requires binwalk)'. There is no statement of when to choose this over pentest_ctf_file_info, pentest_ctf_strings, or pentest_ctf_stego, nor any exclusion for when it is inappropriate.

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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