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Homelab MCP Server

Homelab MCP Server

by washyu
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

get_service_status

Read-onlyIdempotent

Check the current operational status of a service installed on a remote device by specifying its name and hostname.

Instructions

Get the current status of an installed service

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": {
      "service_name": "<service_name>",
      "hostname": "<hostname>"
    },
    "name": "get_service_status"
  }
}

Input Schema

NameRequiredDescriptionDefault
hostnameYesHostname or IP address of the device
passwordNoSSH password (not needed for mcp_admin after setup)
usernameNoSSH username (use 'mcp_admin' for passwordless access after setup)mcp_admin
service_nameYesName of the service to check status for

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.7.0
    • removedInput schema / properties / port
      Removed value: -{
-  "default": 22,
-  "description": "SSH port (default: 22)",
-  "type": "integer"
-}
  2. First observedv0.2.0

TDQS

C2.9/5.0
Behavior2/5

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

Annotations already declare readOnlyHint, destructiveHint=false, idempotentHint=true. The description adds no behavioral context beyond the annotations, such as network dependencies, authentication requirements, or the nature of the status check.

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, concise sentence that efficiently communicates the tool's purpose. It is front-loaded and contains no unnecessary words.

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 no output schema, the description does not hint at the format or content of the status response. It also omits context about the SSH parameters (hostname, username, password) implying remote access, which is crucial for an agent to understand the tool's requirements.

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 the input schema already provides descriptions for all four parameters. The description adds no additional meaning beyond the schema.

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 ('Get the current status of an installed service') clearly states the action (get) and the resource (status of an installed service). It distinguishes from sibling tools like 'get_service_info' which likely returns more details, but does not explicitly differentiate.

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 guidance is provided on when to use this tool versus alternatives such as 'check_ansible_service', 'get_service_info', or other status tools. The description does not mention prerequisites or exclusions.

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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