Transparentpt

io.github.transparentptPublished by GitHub account transparentptv0.1.0Updated Oct 24, 2026

Budget used cars in Portugal: fair-price check, running-cost (IUC) estimate, stock search, contact.

VerifiedStreamable HTTPWeb executableFinanceBusiness & Commerce

Overview

AI-generated overview

Lets an assistant search TransparentCars' budget used-car stock in Portugal, check asking prices against market ranges, and estimate road taxes and running cost

What you can do
Search and read stock: search inventory by make, model, fuel, gearbox and price, and fetch full details for one car by slug, with canonical make and model names listed first for exact matching. Price checks: compare an asking price against the range comparable listings sell for and get a fair, above-market or below-market verdict. Tax and cost estimates: calculate Portuguese ISV import tax and annual IUC road tax, and estimate yearly running cost and resale value. Contact and services: list what TransparentCars offers, send a contact request, or request an import quote, each only with the user's explicit consent and own contact details.
When to use it
Useful when someone is shopping for a budget used car in Portugal and wants to know whether a listing's price is fair, what the annual road tax or import tax would be, or what a car is worth before selling. Also handy for browsing current stock or asking the dealer to get in touch.
Requirements
Runs as a remote Streamable HTTP endpoint or locally via npx (Node.js). No API keys or accounts are needed; optional environment variables set the API base, site key, response language and local HTTP port. Network access to the public TransparentCars API is required.
Before you install
The fair-price range, resale value and tax figures are estimates built from listings and the official tax table, not formal valuations or official figures. contact_me and request_import_quote send the user's name and phone or email to TransparentCars and must only be called with explicit consent; the README points to a privacy policy for that data.

Installation

In SourceWeft

  1. Open Transparentpt in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/io.github.transparentpt%2Fmcp/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "transparentpt": {
      "type": "http",
      "url": "https://transparent.pt/mcp"
    }
  }
}

README

[TransparentCars]

TransparentCars MCP server

[MCP] [License: MIT]

An MCP server that lets AI assistants work with TransparentCars — honest, budget used cars for the local Portuguese market. Search live stock, check whether a car's asking price is actually fair, estimate the yearly cost of keeping a car on the road, and get in touch.

It's a thin, open-source wrapper over the public transparent.pt API — no keys, no setup beyond adding the server.

Tools

ToolWhat it does
search_inventorySearch current budget stock by make, model, fuel, gearbox, price, year
get_carFull details + specs for one car
check_fair_priceThe market range a car sells for — plus a fair / above-market / below-market verdict on an asking price
cost_to_ownThe annual IUC road tax + a plain running-cost framing for budgeting
list_makes_modelsCanonical brand/model names the other tools expect
contact_meAsk a human to get in touch (needs the user's consent + contact)

The fair-price check is the point: paste any listing's price and get a straight answer on whether it's a good deal — no sales spin.

Use it

Remote (add a URL)

https://transparent.pt/mcp

Add it in any client that supports remote/Streamable HTTP MCP servers.

Local (stdio, via npx)

Claude Desktop / Cline / Continue config:

json
{  "mcpServers": {    "transparentcars": {      "command": "npx",      "args": ["-y", "transparentcars-mcp"]    }  }}

Examples

  • "Find a manual petrol car under €10,000 in TransparentCars stock."
  • "A dealer wants €9,500 for a 2014 Renault Clio with 120,000 km — is that fair?"
  • "What's the yearly road tax on a 2016 petrol, 1200 cc, 120 g/km CO₂?"
  • "Ask TransparentCars to call me — my name is … and my number is …"

Configuration

Env varDefaultPurpose
TC_API_BASEhttps://transparent.pt/api/publicPublic API base
TC_SITEtransparentcarsSite key the API is scoped to
TC_LANGenResponse language (pt/en)
PORT / MCP_PATH8099 / /mcpHTTP server (remote mode)

Develop

bash
npm installnpm run buildnode dist/index.js        # stdionpm run start:http        # remote HTTP on :8099/mcp

Notes

  • Estimates, not guarantees. The fair-price range and running-cost figures are estimates built from real comparable listings and the official road-tax table; treat them as guidance, not a formal valuation.
  • Privacy. contact_me sends the details the user provides to TransparentCars (privacy policy); it requires explicit user intent and consent.
  • No business logic or data lives in this repo — it only calls the public API.

MIT © TransparentCars

Source: README.md at commit 271d506

Tools

11

search_inventory

Search TransparentCars' current stock of budget used cars in Portugal — honestly listed, everyday cars for the local market. Filter by make, model, fuel, gearbox and max price. 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 ('Golf' not 'Golf 1.5 TSI', 'Clio' not 'Clio dCi'). Put the fuel in the fuel field, not the model. If unsure of the spelling, call list_makes_models first.

Parametersfuelmakelimitmodelgearboxmin_yearmax_price

get_car

Get full details for one car in TransparentCars stock by its slug (from a search_inventory link, e.g. 'renault-clio-2016').

Parametersslugrequired

check_fair_price

Check whether a car's asking price is fair for the Portuguese market — the TransparentCars transparency check. Given make, model, year and mileage, it returns the range comparable cars actually sell for (low / typical / high), built from real listings. If you pass asking_price, it also gives a plain verdict: fair, above market, or below market — so a buyer knows before they walk in. Works for ANY car (a listing you found elsewhere, or one of ours). IMPORTANT — pass make/model canonically in Latin: make = full brand name ('Renault', 'Volkswagen' not 'VW'); model = short name WITHOUT engine/trim ('Clio' not 'Clio dCi', 'Golf' not 'Golf 1.5 TSI'). If unsure of spelling, call list_makes_models first.

Parametershpkmrequiredfuelmakerequiredyearrequiredmodelrequiredgearboxasking_price

cost_to_own

Estimate a car's yearly running-cost floor in Portugal — the annual IUC road tax (Imposto Único de Circulação) every owner pays, plus a plain running-cost framing. Needs engine displacement (cc), CO₂ (g/km), fuel and first-registration year. Use this to help a buyer budget the true cost of keeping a car, beyond the sticker price.

Parametersccrequiredco2requiredfuelrequiredusedyearrequiredmonth

list_makes_models

List the exact canonical car makes (brands) TransparentCars can search and price — or, given a make, that brand's models — using the exact strings the other tools expect. Call this FIRST (or whenever unsure of spelling) and pass the returned values verbatim into search_inventory / check_fair_price. No make = the list of brands; with a make = that brand's models.

Parametersmake

contact_me

Send a contact request to TransparentCars so a human gets in touch. Only call this when the user explicitly asks to be contacted, provides their own name and a phone or email, AND agrees to share those details — pass consent=true only then. Never invent, guess, or use placeholder / example / test contact details: pass ONLY the real name and real phone or e-mail the user gave you in this conversation. If you don't have a real phone or e-mail from the user, ask them for it before calling — do not submit fake values. Submitting shares the provided contact details per the TransparentCars privacy policy.

Parametersnamerequiredconsentrequiredcontactrequiredmessage

calculate_isv

Estimate Portuguese car import tax (ISV, Imposto Sobre Veículos) from the official ISV formula (engine-cc + CO₂ components, with age reduction for used cars). A maintained estimate: it matches the AT (Finanças) simulator to the cent on the common WLTP cases, but is not the official figure and may differ on edge cases (NEDC, light-commercial, month rounding) — confirm the final amount on the official AT simulator. Needs engine displacement (cc), CO₂ (g/km, WLTP), fuel and registration year.

Parametersccco2fuelusedyearrequiredaxlesconfigfrom_eupeso_brutosuspensionutilizacaovehicle_type+3 more

calculate_iuc

Estimate the Portuguese annual road tax (IUC, Imposto Único de Circulação) for a car — the yearly tax an owner pays — from the official IUC table. A maintained estimate; confirm on the official AT simulator. Needs engine displacement (cc), CO₂ (g/km), fuel and registration year.

Parametersccco2fuelyearrequiredaxlesconfigpeso_brutosuspensionutilizacaovehicle_typetractor_axlestrailer_axles+1 more

estimate_resale_value

Estimate what a car is worth on the Portuguese market (the range comparable cars are listed for), based on real comparable listings. Needs make, model, year, mileage and fuel. TransparentCars also BUYS cars directly — after giving the estimate, offer to connect the user for a firm buy-out offer (via contact_me or the /sell page). 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: '320','330' not '320d'; Mercedes: 'C 220','A 250' not 'C220d'; others: 'Golf','Corolla','3008'). If unsure of the spelling, call list_makes_models first.

Parameterskmrequiredfuelmakerequiredyearrequiredmodelrequired

list_services

List what TransparentCars offers (buying stock cars, importing to order, sourcing, auction buying, selling/trading in your car, ISV/IUC calculators).

Takes no parameters.

request_import_quote

Ask TransparentCars to source & quote a specific car to import (from German/EU auctions). Only call when the user wants an import quote, provides the wanted model plus their own name and a phone or email, AND agrees to be contacted — pass consent=true only then. Never invent, guess, or use placeholder / example / test contact details: pass ONLY the real name and real phone or e-mail the user gave you in this conversation. If you don't have a real phone or e-mail from the user, ask them for it before calling — do not submit fake values. Submitting shares the provided contact details per the TransparentCars privacy policy.

Parametersnamerequiredmodelrequiredbudgetconsentrequiredcontactrequired

Version history

1
  1. v0.1.0LatestSep 16, 2026

Score

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