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Evaluate a Location Against a Geofence

check_point_in_geofence
Read-onlyIdempotent

Evaluate whether a vehicle, shipment, mobile device, scan, person-authorized location event, asset, aircraft, vessel, or other coordinate is inside a proposed radius boundary used in Atlasemoji geofencing and event-driven workflows.

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": {
      "center": "<center>",
      "point": "<point>",
      "radiusMeters": "<radiusMeters>"
    },
    "name": "check_point_in_geofence"
  }
}

Input Schema

NameRequiredDescriptionDefault
pointYesCoordinate to test against the radius geofence.
centerYesCenter coordinate of the radius geofence.
radiusMetersYesRadius in meters. Accepted range is 1 through 100,000 meters.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.8/5.0
Behavior3/5

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

Annotations already declare read-only, idempotent, and non-destructive behavior. The description adds a small amount of context about geofencing workflows but does not disclose edge-case behavior (e.g., boundary inclusion, precision) or return format. Given the strong annotation coverage, a 3 is appropriate.

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 sentence that is easy to parse, though the long list of entities (vehicle, shipment, mobile device, etc.) is somewhat redundant with 'or other coordinate'. It is still concise and front-loaded with the core action.

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?

With no output schema, the description should ideally state the return type (e.g., boolean) but does not explicitly do so. The core functionality is clear, but the return value and edge-case behavior are unaddressed. For a simple predicate tool, this is a moderate 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?

The input schema covers 100% of parameter descriptions, so the schema does the heavy lifting. The description does not add extra meaning beyond the schema, but it also does not need to compensate. Baseline 3 is appropriate.

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 evaluates whether a coordinate is inside a geofence radius, using a specific verb ('Evaluate') and resource ('radius boundary'). It distinguishes from sibling tools like validate_coordinates (format validation) and preview_geofence (visualization).

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 provides clear context by mentioning 'Atlasemoji geofencing and event-driven workflows', indicating when this tool is relevant. It does not explicitly name alternatives or exclusions, but the context makes the intended use reasonably clear.

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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