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Homelab MCP Server

Homelab MCP Server

by washyu
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

install_service

Install a homelab service on a target device via SSH. Specify the service name and hostname, with optional configuration overrides.

Instructions

Install a homelab service on a target device

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": "install_service"
  }
}

Input Schema

NameRequiredDescriptionDefault
hostnameYesHostname or IP address of the target 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 install (e.g., 'jellyfin', 'nextcloud')
config_overrideNoOptional configuration overrides for the service

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 do not convey destructive or idempotent hints, and the description adds no behavioral details such as modifications to the target system, authentication requirements, or reversibility. The agent has minimal insight into side effects.

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

Conciseness4/5

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

The description is a single concise sentence, front-loading the key action. While brief, it is efficient and free of verbosity.

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?

Given the lack of output schema and behavioral context, the description is insufficient for complete understanding. The agent needs more information about return values, success criteria, and potential state changes.

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?

The input schema has 100% description coverage, so parameters are well-documented. The tool description adds little beyond restating the action; it does not clarify parameter interplay or defaults beyond 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 clearly states the verb 'install' and the resource 'homelab service', making the purpose evident. It distinguishes from most siblings, though more specificity about 'homelab' could differentiate from generic deployment tools.

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 on when to use this tool versus alternatives like deploy_infrastructure or check_service_requirements. No prerequisites or context provided, leaving the agent uncertain about proper usage.

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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