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caseSHY/aicoreutils

caseSHY/aicoreutils

by caseSHY
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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od

Read-only

Inspect raw binary content by dumping bytes as hexadecimal, octal, or decimal rows. Analyze file structure and encoding details.

Instructions

Dump input bytes as structured rows in hexadecimal, octal, or decimal format. Read-only, no side effects. Returns JSON with formatted dump by default; use --raw for traditional octal display. Use to inspect raw binary content. Not for plain text viewing — use 'cat'. See also 'cat'.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "od"
  }
}

Input Schema

NameRequiredDescriptionDefault
rawNoWrite dump rows without a JSON envelope.
pathsNoFiles to dump, or '-' for stdin. Defaults to stdin.
formatNoByte rendering format.hex
offsetNoStart offset in bytes.
encodingNoOutput encoding (default: utf-8). Use 'auto' for BOM/autodetection.utf-8
max_bytesNoMaximum bytes to dump.
show_encodingNoInclude encoding detection metadata in JSON result.
bytes_per_lineNoBytes per output row.
encoding_errorsNoHow to handle encoding errors (default: replace).replace
encoding_profileNoLocale-aware encoding fallback profile for auto-detection.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.2.3
  2. Removedv1.2.0
  3. First observedv0.1.0

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true. Description adds return format details (JSON by default, --raw for octal) and states no side effects, which is consistent and slightly beyond annotations.

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

Conciseness5/5

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

Four concise sentences, front-loaded with purpose, no redundant words. Each sentence adds value.

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

Completeness4/5

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

Given the complexity (10 parameters, no output schema), the description covers the main use case, return format, and differentiation from 'cat'. Could mention more about output structure, but sufficient for a tool like od.

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 coverage is 100%, so baseline is 3. Description mentions --raw parameter behavior, but does not add significant meaning beyond the schema for other parameters.

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 dumps input bytes as structured rows in hexadecimal, octal, or decimal format, with a specific verb and resource. It distinguishes from sibling tools like 'cat' for plain text.

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

Usage Guidelines5/5

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

Explicitly says to use for inspecting raw binary content and not for plain text, directing to 'cat'. Provides clear when-to-use and alternatives.

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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