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tresor4k

macalc

calculate_wind_chill

Calculate perceived wind chill temperature using Environment Canada formula, given air temperature (≤10°C) and wind speed in km/h.

Instructions

Calculate the perceived wind chill temperature (Environment Canada formula). Returns: {feels_colder_by_degrees}. See list_bundles for related 'astronomie-nature' calculators.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
temperature_cYesAir temperature in degrees C (must be 10C or below)
wind_speed_kmhYesWind speed in km/h

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultNoComputed result. Object whose fields depend on the tool (e.g. {tax, marginal_rate, brackets} for tax tools, {volume_l, gallons} for volume tools).
formulaNoHuman-readable formula or method used (e.g. "I=P·r·t", "Magnus formula").
sourceNoAuthoritative source for the rule or formula (e.g. "Article 197 CGI", "NF DTU 21").
reference_urlNoLink to a calcul2 page documenting the calculation in detail.
Behavior2/5

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

No annotations are provided, so the description must cover behavioral traits. It does not disclose read-only nature, authorization needs, or side effects. The description only states the calculation and return, leaving significant gaps for the agent.

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 two sentences, front-loaded with the core action, and avoids redundancy. The second sentence about list_bundles is helpful but could be considered secondary. Very concise overall.

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 the tool's simplicity and existence of an output schema (implied), the description covers the basics. However, it could provide more detail about the formula or usage scenarios. The reference to related calculators adds some context.

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 description coverage is 100%, so baseline is 3. The description does not add new parameter meaning beyond the schema; it mentions the formula but not parameter details. Adequate but not additive.

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?

The description clearly states the tool calculates wind chill temperature using the Environment Canada formula and specifies the return value. It is specific but does not explicitly differentiate from other temperature-related calculators like 'calculate_heat_index'.

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 lacks explicit when-to-use or when-not-to-use guidance. It only mentions a related bundle ('astronomie-nature'), which weakly hints at context but does not help the agent decide between this and similar tools.

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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