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UniFi MCP Server

UniFi MCP Server

get_isp_metrics

Fetches ISP metrics for a specified site to monitor internet performance and troubleshoot connectivity issues.

Instructions

Get ISP metrics for a specific site.

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": {
      "site_id": "<site_id>"
    },
    "name": "get_isp_metrics"
  }
}

Input Schema

NameRequiredDescriptionDefault
site_idYesSite identifier
controllerNoController to run against (see list_controllers). Defaults to the controller chosen with select_controller, then the server default.

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.6.4
    • addedInput schema / properties / site_id / description
      Added value: +"Site identifier"
  2. Changed1 schema field changedv0.6.0
    • addedInput schema / properties / controller
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "Controller to run against (see list_controllers). Defaults to the controller chosen with select_controller, then the server default."
      +}
  3. First observedv0.2.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden. It doesn't state that this is a read-only operation, what metrics are returned, whether there are rate limits, or how controller resolution behaves when the controller param is omitted.

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?

A single, front-loaded sentence with no filler. It is efficient, though the brevity comes at the cost of the missing routing and behavioral detail noted elsewhere.

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

Completeness3/5

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

An output schema exists and schema coverage is complete, so return values and parameters needn't be explained. But for a tool in a large sibling set with a near-duplicate query_isp_metrics, the absence of differentiation and of any behavioral note for an unannotated tool leaves a real gap.

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% and the controller parameter already documents its default resolution chain (select_controller, then server default) in the schema. The description adds only that the site is 'specific', which is already implied by the required site_id field, so baseline 3 applies.

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?

States a specific verb ('Get') and resource ('ISP metrics') scoped to a site, which is clear on its own. However, it does not distinguish itself from the sibling query_isp_metrics, leaving the agent to guess which one applies.

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?

The description gives no when-to-use guidance and never mentions query_isp_metrics, the obvious alternative for ISP metric retrieval. The site-scoping is only implied by the phrase 'for a specific site', not stated as a selection criterion.

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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