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VERDICT

VERDICT

by tejcodes-rex
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

fs_cat

Read file content from a disk image by inode for forensic analysis. Works read-only via icat to preserve evidence integrity.

Instructions

Read the content of a file by inode from a disk image (icat), read-only.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "image": "<image>",
      "inode": "<inode>"
    },
    "name": "fs_cat"
  }
}

Input Schema

NameRequiredDescriptionDefault
imageYes
inodeYes
offsetNo
max_bytesNo

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden. It states 'read-only' but does not disclose other behavioral traits such as handling of directories, large files, or error conditions. The parameters offset and max_bytes are not explained in the description.

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

Conciseness3/5

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

The description is a single sentence, which is concise, but it lacks structure and detail. It communicates the core purpose but could be improved with additional context without becoming verbose.

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?

Despite having an output schema (not shown), the description is incomplete for a tool with 4 parameters. It fails to explain how to use offset (optional) and max_bytes (default 200000), which are crucial for controlling output. The description leaves significant gaps for effective usage.

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

Parameters1/5

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

Schema coverage is 0%, so description must compensate. It only mentions 'by inode from a disk image', adding no meaning to parameters like offset or max_bytes beyond their names. No documentation of expected formats or default behavior.

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 clearly states the verb 'Read' and the resource 'content of a file by inode from a disk image', and mentions it is read-only. It distinguishes from siblings like fs_find (search) and fs_list (list) by focusing on reading content by inode, though not explicitly.

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 explicit guidance on when to use this tool vs alternatives. The description only implies use when needing file content from a disk image by inode, but does not mention when not to use or suggest alternatives for other cases.

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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