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daedalus

mcp-reverse-engineering

binwalk

Analyze binary files to identify and extract embedded files, code, and data using entropy analysis and signature matching.

Instructions

Run binwalk to find embedded files and code in a binary.

Binwalk is a tool for analyzing binary files to find embedded files and executable code. It uses entropy analysis and signature matching to identify compressed data, file systems, archives, and other embedded content.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
argsYesAdditional arguments to pass to binwalk. Common options include: - -e: Extract found files automatically - -M: Enable signature matching - -B: Scan for common file signatures - -Y: Entropy analysis mode - -q: Quiet output (suppress banners)
fileNoOptional path to the file to analyze.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, so the description must carry full behavioral context. It mentions what binwalk does but does not disclose side effects, execution behavior (e.g., subprocess invocation), or any destructive potential (though -e flag extracts files). The tool likely runs external commands, but this is not stated.

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?

The description is two paragraphs, front-loaded with the key purpose and followed by details. It is clear and not overly verbose, though the second paragraph could be slightly more concise.

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 description covers purpose and parameters adequately, but lacks behavioral context and usage guidance. Given the presence of an output schema (not shown), return value documentation is not critical. However, the missing behavioral disclosure reduces completeness.

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

Parameters4/5

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

Schema coverage is 100% and description adds value for 'args' by listing common options with brief explanations. The 'file' parameter's description matches the schema. However, it does not explain each option in detail or clarify that args are command-line arguments passed to binwalk.

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

Purpose5/5

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

The description clearly states the tool's purpose: find embedded files and code in a binary using entropy analysis and signature matching. It names specific content types (compressed data, file systems, archives). This distinguishes it from sibling tools like hexdump or strings.

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

Usage Guidelines3/5

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

The description implies use for binary analysis but lacks explicit guidance on when to use binwalk versus alternatives like objdump or readelf. No when-not-to-use or exclusion criteria are provided.

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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