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aircraft_departures

Retrieve recent aircraft departures from any airport using its ICAO code. Specify a time range to filter results.

Instructions

Get recent departures from an airport by ICAO code.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
endNoEnd time Unix timestamp (default: now)
beginNoStart time Unix timestamp (default: 2 hours ago)
airportYesAirport ICAO code (e.g. 'LTBA')
Behavior3/5

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

No annotations are provided, so the description must carry the burden. It indicates a retrieval operation without side effects, which is appropriate. However, it lacks details on what 'recent' means (though defaults are in the schema) and does not mention ordering or limits.

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?

A single, well-structured sentence that conveys the tool's core purpose without unnecessary words. It is front-loaded and efficient.

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?

Given no output schema and no annotations, the description is adequate but could be more informative about the returned data, ordering, or pagination. It covers the essentials but lacks depth for a complete understanding.

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% with descriptions for all parameters; the description adds only the phrase 'by ICAO code' which clarifies the airport parameter. This meets the baseline but adds no significant meaning beyond the schema.

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 verb 'Get', the resource 'recent departures', and the method 'by ICAO code'. It effectively distinguishes from siblings like aircraft_arrivals (arrivals) and aircraft_flights (broader flight information).

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 implies using the tool when recent departures from a specific airport are needed. It does not explicitly state when not to use or list alternatives, but the context with sibling tools makes the differentiation 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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