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Unraid MCP

Unraid MCP

by lemanjo
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

Next Unraid logFile event

unraid_v4371_next_log_file
Read-onlyIdempotent

Subscribe to Unraid's log file event stream, wait for the next event, and return its payload in a single bounded response.

Instructions

Wait for the next event from this fixed GraphQL subscription, return one bounded payload, then disconnect.

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": {
      "path": "<path>"
    },
    "name": "unraid_v4371_next_log_file"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.1

TDQS

B3.4/5.0
Behavior4/5

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

The annotations already report readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so no safety contradiction exists. The description adds meaningful lifecycle information beyond those hints: it explicitly says the tool returns one bounded payload and then disconnects, which is important for an agent that might expect a continuous stream or multiple events. It does not mention timeout behavior or what happens if no event ever arrives, but the provided disclosure is still valuable.

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?

The description is a single, front-loaded sentence with no filler. Every phrase earns its place: the action ('wait'), the resource ('fixed GraphQL subscription'), the output shape ('one bounded payload'), and the termination ('then disconnect').

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?

For a tool with one required parameter and no output schema, the description is too thin to fully support correct invocation. It does not clarify what `path` should be, what kind of event is waited for, or how the bounded payload is structured. The blocking/wait behavior and whether a timeout exists are also unstated, which is significant for an agent deciding whether to call this tool.

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 input schema only declares a required string `path`, and the schema description coverage is 0%. The description does not explain what `path` means, what format or source it should come from, or how it relates to the subscription, leaving the agent to guess that it is a log file path. The tool name and sibling tools like unraid_v4371_query_log_files provide some inference, but the description itself adds no parameter-level meaning.

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 tool waits for the next event from a fixed GraphQL subscription, returns one bounded payload, and disconnects. This differentiates it from the query_* siblings by emphasizing the 'next/event-subscription' nature, and the title names the logFile resource. It stops short of saying 'next log line' or 'new log entry', which would make the purpose even more concrete.

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 usage context is implied: this is for obtaining the next event rather than querying current state, which helps distinguish it from unraid_v4371_query_log_file. However, there is no explicit 'use this when...' guidance, no mention of alternatives, and no statement about whether to call this repeatedly or combine it with query_log_files to discover valid paths.

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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