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Singapore LTA MCP Server

Singapore LTA MCP Server

by mcpflow
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Remote

train_alerts

Retrieve real-time train service alerts, including disruptions and shuttle services, updated as changes occur.

Instructions

Get real-time train service alerts including service disruptions and shuttle services. Updates when there are changes.

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": "train_alerts"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.6/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It mentions 'Updates when there are changes' but does not specify polling behavior, impact (e.g., read-only), rate limits, or whether it modifies any data. The description lacks important safety context for a real-time data tool.

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 sentence that is concise and front-loaded with the key information. Every word contributes to the purpose, and there is no wasted text.

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 tool with no parameters and no output schema, the description adequately explains its purpose and that it provides real-time updates. However, it could be slightly more complete by explicitly stating it is a read-only operation, but the current version is sufficient for the tool's simplicity.

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?

There are no parameters, so the input schema effectively describes everything. The description adds no parameter information, but none is needed. The baseline for zero parameters is 4, and schema coverage is trivially 100%.

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 uses a specific verb ('Get') and identifies the resource ('real-time train service alerts including service disruptions and shuttle services'). It clearly distinguishes from sibling tools which cover buses, carpark, station crowding, traffic incidents, and travel times, making it unambiguous that this tool is for train alerts.

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. For example, it doesn't mention when to prefer this over station_crowd_forecast for train-related updates, or any conditions that would make this tool inappropriate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Deploy Server

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