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LibreLink MCP Server

LibreLink MCP Server

by amansk
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
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validate_connection

Test connectivity to LibreLink servers and verify your credentials are working. Use it to diagnose connection errors or after updating credentials, returning success or failure status.

Instructions

Test the connection to LibreLink servers and verify your credentials are working. Use this if you encounter errors or after updating credentials. Returns success/failure status.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "validate_connection"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A4.2/5.0
Behavior3/5

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

With no annotations provided, the description must carry the transparency burden. It discloses that the tool returns a success/failure status and tests connectivity/credentials. However, it does not mention potential error types, latency, or whether any state changes occur, which would be valuable but not critical for a simple test operation.

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 three short, front-loaded sentences: what it does, when to use it, and what it returns. Every sentence earns its place, with no filler or repetition of schema information.

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 parameterless, simple diagnostic tool, the description is sufficiently complete: it states the purpose, usage scenario, and return value. Lacking an output schema, the mention of 'success/failure status' is adequate. It could be slightly more detailed about what 'success' means, but this is a minor gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has zero parameters, and the schema coverage is 100% (vacuous). The baseline for zero-parameter tools is 4, and the description does not need to explain parameters. It correctly focuses on the tool's action and return value.

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?

The description clearly states the tool tests the connection to LibreLink servers and verifies credentials. It uses a specific verb ('Test') and resource ('connection to LibreLink servers'), and distinguishes itself from sibling tools by focusing on connection validation rather than data retrieval or configuration.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly says when to use this tool: 'if you encounter errors or after updating credentials'. It does not explicitly name alternatives, but this usage context is clear and distinguishable from sibling tools like configure_credentials or get_current_glucose.

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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