This server lets you search and compare rental car offers in real time from multiple providers worldwide.
Search for rental cars by pickup location (city, airport, address, or landmark) and rental period (pickup/dropoff dates)
Compare prices across vendors (e.g., Europcar) with results grouped by car category (economy, compact, SUV, etc.), showing the cheapest options per group
View detailed car info: transmission, passenger capacity, bags, doors, A/C, fuel policy, mileage, cancellation options, deposit, and included protections
One-way rentals: specify a different dropoff location from pickup
Customize pickup/dropoff times, preferred currency (EUR, USD, GBP, etc.), response language, and driver's age (min. 18)
Get affiliate booking links to reserve directly through providers at no extra cost
Receive structured error feedback if a location isn't found, dates are invalid, or no cars are available
⚠️ The server is read-only — it does not book cars, modify reservations, charge users, or store any user data.
Enables rental car search and comparison capabilities within the Hermes agent framework using the OctoTrip MCP server.
Free, no-login MCP server for discovering and comparing rental cars with real-time pricing from multiple providers worldwide.
MCP Streamable HTTP Endpoint:
https://mcp.octotrip.app/rental-cars/mcp
OctoTrip Flights — flight search MCP server
Related MCP server: Forage-mcp
OctoTrip is free to use. Booking links contain affiliate attribution -- OctoTrip may earn a commission at no extra cost to you. Search results are ranked by price within each car category, not by affiliate payout.
Add to your MCP client configuration:
{
"mcpServers": {
"octotrip-rental-cars": {
"url": "https://mcp.octotrip.app/rental-cars/mcp"
}
}
}No API key or login required.
Add to claude_desktop_config.json:
{
"mcpServers": {
"octotrip-rental-cars": {
"url": "https://mcp.octotrip.app/rental-cars/mcp"
}
}
}Add to your MCP settings:
{
"mcpServers": {
"octotrip-rental-cars": {
"url": "https://mcp.octotrip.app/rental-cars/mcp"
}
}
}Add to your Cline MCP settings:
{
"mcpServers": {
"octotrip-rental-cars": {
"url": "https://mcp.octotrip.app/rental-cars/mcp"
}
}
}openclaw plugins install clawhub:@xltnapps/octotrip-rental-carsInstall via Smithery:
npx -y @smithery/cli install xltnapps/octotrip-rental-cars --client claudehermes mcp add octotrip-rental-cars --url https://mcp.octotrip.app/rental-cars/mcp
hermes mcp test octotrip-rental-carsOr add to ~/.hermes/config.yaml:
mcp_servers:
octotrip_rental_cars:
url: "https://mcp.octotrip.app/rental-cars/mcp"For MCP clients that only support stdio transport:
npx mcp-remote https://mcp.octotrip.app/rental-cars/mcpA complete MCP session using curl (initialize, list tools, call search):
# 1. Initialize
curl -s -X POST https://mcp.octotrip.app/rental-cars/mcp \
-H "Content-Type: application/json" \
-H "Accept: application/json, text/event-stream" \
-d '{
"jsonrpc": "2.0", "id": 1, "method": "initialize",
"params": {
"protocolVersion": "2025-03-26",
"capabilities": {},
"clientInfo": {"name": "example", "version": "1.0"}
}
}'
# 2. List tools
curl -s -X POST https://mcp.octotrip.app/rental-cars/mcp \
-H "Content-Type: application/json" \
-H "Accept: application/json, text/event-stream" \
-d '{"jsonrpc": "2.0", "id": 2, "method": "tools/list"}'
# 3. Search
curl -s -X POST https://mcp.octotrip.app/rental-cars/mcp \
-H "Content-Type: application/json" \
-H "Accept: application/json, text/event-stream" \
-d '{
"jsonrpc": "2.0", "id": 3, "method": "tools/call",
"params": {
"name": "search",
"arguments": {
"location": "Munich Airport",
"pickup_date": "2026-08-01",
"dropoff_date": "2026-08-07"
}
}
}'Transport: stateless streamable HTTP. Responses use text/event-stream (SSE). No session persistence or resumability. Rate limit: 1 request/second with burst capacity of 5.
searchSearches live rental-car offers for a pickup location and rental period. Returns available cars from multiple vendors grouped by category (economy, compact, SUV, etc.), showing the cheapest options in each. The tool queries external provider APIs in real time and may include affiliate booking links. It does not book cars, modify reservations, charge users, or store user data.
Parameter | Type | Required | Default | Description |
| string | yes | -- | Pickup location: city, airport, station, address, or landmark |
| string | yes | -- | Pickup date (YYYY-MM-DD, DD.MM.YYYY, or natural-language) |
| string | yes | -- | Dropoff date, must be after pickup date |
| string | no | same as pickup | Different dropoff location for one-way rentals |
| string | no |
| Pickup time in 24-hour HH:MM format |
| string | no |
| Dropoff time in 24-hour HH:MM format |
| string | no |
| ISO 4217 currency code (EUR, USD, GBP, etc.) |
| string | no |
| Response language code (en, de, etc.) |
| integer | no |
| Driver age, minimum 18 (younger drivers may incur surcharges) |
Results are grouped by SIPP car category with the cheapest 2 options per group:
{
"results": [
{
"name": "Volkswagen Golf",
"vendor": "Europcar",
"sipp": "CDMR",
"category": "Compact",
"price": 181.03,
"price_per_day": 45.26,
"pay_now": 181.03,
"pay_later": 0,
"currency": "EUR",
"transmission": "manual",
"passengers": 5,
"bags": 1,
"doors": 4,
"air_con": true,
"fuel_policy": "Full to Full",
"mileage": "Unlimited",
"free_cancellation": true,
"free_amendment": true,
"deposit": 800,
"excess": 950,
"included_protections": ["Collision Damage Waiver", "Theft Protection"],
"image_url": "https://...",
"booking_url": "https://...",
"link_type": "affiliate",
"affiliate_disclosure": "This link contains affiliate attribution. OctoTrip may earn a commission at no extra cost to you."
}
],
"total": 23,
"total_available": 379,
"rental_days": 4,
"pickup_location_resolved": "Munich International Airport",
"dropoff_location_resolved": "Munich International Airport",
"query": { ... }
}The server returns structured errors with suggestions:
location_not_found -- location could not be resolved. Try a more specific name or airport.
invalid_date -- date format not recognized. Use YYYY-MM-DD, DD.MM.YYYY, or similar.
no_results -- no cars available for the given criteria. Try different dates or a nearby location.
Find me a cheap rental car at Amsterdam Schiphol for next weekend
Compare automatic SUVs available in Munich Airport for July 10-15
I need a car in Barcelona from August 1-14, budget around 30 EUR/day
One-way rental from Berlin to Hamburg, picking up Friday, returning Monday
What's the cheapest economy car at London Heathrow for a week in September?
This server does not log IP addresses, search queries, or any user-identifiable data. See PRIVACY.md for full details including sample log entries.
To report a vulnerability, see SECURITY.md.
MIT
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. |
| Name | Required | Description |
|---|---|---|
| result | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already indicate readOnly, openWorld, idempotent, non-destructive. The description adds significant context: queries external APIs in real time, returns price-ranked results grouped by SIPP/category, may include affiliate links, and explicitly states what it does not do (book, modify, charge, store). No contradiction.
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 three sentences, efficient, and front-loaded with the main action. It could be slightly more terse (first sentence is long), but overall earns its place with no wasted words.
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 complexity (9 parameters, real-time external API, output schema exists), the description covers the tool's purpose, usage context, behavioral traits, and explicitly states limitations. It does not need to detail return values due to output schema presence.
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% and each parameter has detailed descriptions (e.g., age surcharge, currency defaults). The description only summarizes parameters without adding new meaning beyond what the schema provides. Baseline score of 3 is appropriate.
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 that the tool searches live rental-car offers, specifies key parameters (location, dates, optional fields), and distinguishes it from other travel searches (flights, hotels). Verb 'searches' and resource 'live rental-car offers' are specific and unambiguous.
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?
Explicit guidance is provided: 'Use this when the user wants to compare available rental cars... Do not use it for flights, hotels... unless the user has car-rental intent.' This clearly defines when to use and when not to, despite no sibling tools.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.
v1.0.5searchOnly one tool exists, so there is no risk of confusing it with others. The tool's purpose is clearly distinct.
The single tool is named 'search', which is clear and consistent with its function. No pattern to evaluate, but naming is appropriate.
One tool for a rental car domain is too few. The server's scope implies a need for booking and management tools, making the count inappropriately low.
The server only offers searching, missing essential operations like booking, modifying, or canceling reservations. This is a significant gap that prevents completing typical rental car workflows.
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