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claracarspt

Clara Carros MCP server

Official
by claracarspt

search_inventory

Search Clara Carros' used car inventory in Portugal. Filter by make, model, fuel type, maximum price, and minimum year to find matching cars with price, year, mileage, and a link.

Instructions

Search Clara Carros' current stock of used cars in Portugal. Filter by make, model, fuel, max price and min year. Returns matching cars with price, year, mileage and a link. IMPORTANT — pass make/model canonically in Latin, as the Portuguese market lists them: make = full brand name ('BMW', 'Mercedes-Benz' not 'Mercedes', 'Volkswagen' not 'VW'); model = the short series/model WITHOUT the engine or trim suffix — BMW: series number only ('320','330','116', not '330e'/'320d'/'3 Series'); Mercedes: class + number ('C 220','E 220','A 250', not 'C220d'/'C-Class'); other brands: plain model name ('Golf','Corolla','3008', not 'Golf 1.5 TSI'). Put the engine/fuel in the fuel field, not the model. If unsure of the exact spelling, call list_makes_models first.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
fuelNoFuel: petrol, diesel, hybrid, phev, electric, lpg
makeNoFull brand name in Latin, as the market lists it — 'BMW', 'Mercedes-Benz' (not 'Mercedes'), 'Volkswagen' (not 'VW'), 'Peugeot', 'Seat'.
limitNoMax results (default 20)
modelNoShort model/series WITHOUT engine or trim. BMW: series number only ('320','330','116', not '330e'/'320d'/'3 Series'). Mercedes: class + number ('C 220','E 220','A 250', not 'C220d'/'C-Class'). Others: plain model name ('Golf','Corolla','3008', not 'Golf 1.5 TSI').
min_yearNoEarliest registration year
max_priceNoMaximum price in EUR
Behavior4/5

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

No annotations are provided, so the description carries the burden. It discloses the return format (matching cars with price, year, mileage, link) and includes cautions about canonical naming. Missing details like pagination or rate limits, but adequate for a read operation.

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 lengthy but each sentence adds necessary detail. It is front-loaded with the main purpose. Could be slightly more concise, but the detailed instructions are essential for correct invocation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 6 parameters, no output schema, and the need for canonical naming, the description is highly complete. It explains returned fields, parameter constraints, and when to use a sibling tool. No gaps detected.

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

Parameters5/5

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

Schema coverage is 100%, baseline 3. The description adds significant value beyond schema with detailed canonical naming conventions (e.g., BMW: series number only), examples, and guidance to put engine/fuel in fuel field. This greatly aids correct parameter usage.

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 searches Clara Carros' current stock of used cars in Portugal with filters. It distinguishes from siblings like list_makes_models by specifying the search's focus on current stock.

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

Usage Guidelines5/5

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

The description explicitly advises when to use the tool and when to use alternatives: 'If unsure of the exact spelling, call list_makes_models first.' It also provides detailed instructions on parameter formatting.

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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