OctoTrip Rental Cars
Server Details
Free, no-login rental car search with real-time pricing.
- Status
- Unhealthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- OctoTrip/rental-cars
- GitHub Stars
- 5
- Server Listing
- OctoTrip Rental Cars
TDQS
Scored across 1 tool
With only one tool, there is no possibility of confusion or overlap. The tool's purpose is clearly scoped to rental-car search, and its description explicitly distinguishes it from flights, hotels, and public transport.
A single tool named 'search' is simple and readable, but there is no pattern to evaluate. The name is a bare verb rather than a verb_noun convention, which is acceptable but not strongly indicative of a consistent naming scheme.
One tool is thin for a server named 'OctoTrip Rental Cars' if the domain implies broader rental-car workflows. However, if the server's sole purpose is search, the count is appropriate; the low score reflects the lack of any supporting tools for booking, managing reservations, or other related operations.
The tool covers search only, which is a core function, but the domain of rental cars typically includes booking, reservation management, cancellation, or at least getting details. The description explicitly states it does not book cars, so agents needing any action beyond search will hit a dead end.
Available Tools
1 toolsearchARead-onlyIdempotentInspect
Searches live rental-car offers for a pickup location and rental period, optionally with a different dropoff location, pickup/dropoff times, driver age, currency, and language. Use this when the user wants to compare available rental cars, prices, vendors, categories, or booking links for a specific trip. Do not use it for flights, hotels, public transport, or general travel planning unless the user has car-rental intent. The tool queries external provider APIs in real time, returns price-ranked results grouped by SIPP/category, and may include affiliate booking links. It does not book cars, modify reservations, charge users, or store user data.
| Name | Required | Description | Default |
|---|---|---|---|
| age | No | Driver age. Defaults to 30. Younger drivers may incur surcharges. | |
| currency | No | Preferred ISO 4217 currency code for prices, such as EUR, USD, or GBP. Defaults to EUR. | EUR |
| language | No | Preferred response language code, such as en or de. Defaults to en. | en |
| location | Yes | Pickup location, such as a city, airport, station, address, or landmark. | |
| pickup_date | Yes | Pickup date. Accepts common date formats such as YYYY-MM-DD, DD.MM.YYYY, or natural-language dates. | |
| pickup_time | No | Pickup time in 24-hour HH:MM format. Defaults to 12:00. | 12:00 |
| dropoff_date | Yes | Dropoff date. Must be after the pickup date. | |
| dropoff_time | No | Dropoff time in 24-hour HH:MM format. Defaults to 12:00. | 12:00 |
| dropoff_location | No | Optional different dropoff location. If omitted, the pickup location is used. |
Output Schema
| Name | Required | Description |
|---|---|---|
| result | Yes |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already indicate readOnly, idempotent, and non-destructive. The description adds valuable context: real-time external API queries, price-ranked results by SIPP/category, affiliate links, and explicitly states it does not book or store data. No contradiction with annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is concise (3 sentences) and well-structured: function, usage guideline, behavioral details. No redundant information.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the number of parameters and the presence of an output schema, the description covers purpose, usage, behavior, and limitations adequately. The agent can confidently decide to invoke this tool for car rental searches.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the baseline is 3. The description summarizes optional parameters (dropoff, times, age, currency, language) adding context beyond the schema, though not deeply. A score of 4 reflects this added value.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool searches live rental-car offers, specifying the key parameters (pickup location, rental period) and explicit exclusions (flights, hotels, etc.). It distinguishes its purpose effectively.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides explicit instructions on when to use (comparing rental cars) and when not to use (flights, hotels, general travel without car-rental intent). This is exemplary guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
1 tool update
- Changed
search10 fields changed- added
Input schema / properties / age / descriptionAdded value: +"Driver age. Defaults to 30. Younger drivers may incur surcharges." - added
Input schema / properties / age / minimumAdded value: +18 - added
Input schema / properties / currency / descriptionAdded value: +"Preferred ISO 4217 currency code for prices, such as EUR, USD, or GBP. Defaults to EUR." - added
Input schema / properties / dropoff_date / descriptionAdded value: +"Dropoff date. Must be after the pickup date." - added
Input schema / properties / dropoff_location / descriptionAdded value: +"Optional different dropoff location. If omitted, the pickup location is used." - added
Input schema / properties / dropoff_time / descriptionAdded value: +"Dropoff time in 24-hour HH:MM format. Defaults to 12:00." - added
Input schema / properties / language / descriptionAdded value: +"Preferred response language code, such as en or de. Defaults to en." - added
Input schema / properties / location / descriptionAdded value: +"Pickup location, such as a city, airport, station, address, or landmark." - added
Input schema / properties / pickup_date / descriptionAdded value: +"Pickup date. Accepts common date formats such as YYYY-MM-DD, DD.MM.YYYY, or natural-language dates." - added
Input schema / properties / pickup_time / descriptionAdded value: +"Pickup time in 24-hour HH:MM format. Defaults to 12:00."
1 tool update
- First observed
search
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