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Unraid MCP

Unraid MCP

by lemanjo
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

Unraid API docker.container

unraid_v4371_query_docker_container
Read-onlyIdempotent

Query one Docker container on an Unraid server by ID and return a safe, non-JSON projection of its data to simplify downstream handling.

Instructions

Get one Docker container with a safe, non-JSON projection.

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": {
      "id": "<id>"
    },
    "name": "unraid_v4371_query_docker_container"
  }
}

Input Schema

NameRequiredDescriptionDefault
idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.1

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint=false, covering the safety profile. The description adds context beyond annotations by disclosing that the output is a 'non-JSON projection' rather than a raw API payload, which meaningfully shapes agent expectations. The term 'safe' is slightly vague, but the added value over annotations is real.

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?

One sentence of ten words, front-loaded with the action and resource, with the projection detail appended. Every word earns its place; no filler or repetition of schema/annotation content.

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?

For a single-param, read-only, idempotent tool with annotations covering safety, the description is largely complete: it states what is fetched and the shape of the response (non-JSON projection). The main gap is the lack of guidance on valid id formats (full ID, short ID, name), and there is no output schema to fill that void, but this is minor for a simple query tool.

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 0%, so the description bears responsibility for clarifying the 'id' param. It implies that 'id' identifies the target container ('Get one Doker container'), but it never explicitly states what id refers to (containier ID vs. name), its format, or where the agent should obtain it. Minimal compensation for a single self-named parameter.

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?

States a specific verb ('Get'), resource ('Docker container'), and singular scope ('one'), which clearly differentiates it from plural sibling tools like unraid_list_docker_containers and unraid_get_docker_logs. The qualifier 'with a safe, non-JSON projection' further defines the output contract beyond a bare fetch.

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 word 'one' implies use for a single container rather than listing, but no explicit when-to-use guidance, exclusions, or named alternatives are provided. Among roughly 90 sibling tools, including unraid_list_docker_containers and unraid_v4371_query_docker, the routing is left to inference.

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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