# cityon.pl

> Polish local businesses, opening hours, real estate and apartment prices from cityon.pl

- name: pl.cityon/mcp
- version: 0.1.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/pl.cityon%2Fmcp
- tools: https://api.protogrid.dev/v1/servers/pl.cityon%2Fmcp/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "cityon": {
      "type": "http",
      "url": "https://cityon.pl/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-1d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 9 of 9 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 2,371 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 1 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 9, about 2,371 tokens to load them all
- tool set hash: 48eb01a3db7f90801ea4b12792342bff
- badge: [![protogrid quality](https://protogrid.dev/badge/pl.cityon/mcp.svg)](https://protogrid.dev/servers/pl.cityon/mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://cityon.pl/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (9)

- `get_apartment_prices`: Real transaction prices of apartments in a Polish city from notarial deeds (official Price Register, RCN): median price per m2 for all, primary and secondary market, quartiles, median price and area, year over year change, districts, number of transactions and a cityon.pl link. Ceny transakcyjne mieszkań w mieście z aktów notarialnych (Rejestr Cen Nieruchomości): mediana zł/m2, rynek pierwotny i wtórny, kwartyle, zmiana rok do roku, dzielnice i link do cityon.pl.
- `get_business`: Full details of one business: categories, address, coordinates, opening hours for each weekday, website and social links, rating from cityon.pl reviews, phone number when the owner allows it, cityon.pl link. Pass the id or slug from search_businesses, or a cityon.pl/miejsce/... link. Pełne dane jednej firmy: kategorie, adres, współrzędne, godziny na każdy dzień, strona www, ocena, telefon (gdy właściciel go udostępnia) i link. Podaj id albo slug z search_businesses lub link cityon.pl/miejsce/...
- `get_investment`: Details of one new-build investment: developer, address, prices, areas, rooms, units available, completion date, website, cityon.pl link and the 10 cheapest available units. Pass the investment link or id from list_investments, search_properties or get_property. Szczegóły inwestycji: deweloper, adres, ceny, metraże, wolne lokale, termin, link i 10 najtańszych lokali.
- `get_property`: Details of one apartment, house or listing: price, price per m2, area, price history for new builds, investment and developer, price list date, cityon.pl link. Pass the id from search_properties or a cityon.pl/mieszkanie/... or cityon.pl/ogloszenie/... link. Szczegóły jednego lokalu lub ogłoszenia, z historią ceny dla nowych mieszkań. Podaj id albo link.
- `list_categories`: List business categories with the number of businesses: in a given city, or the largest ones in Poland. Each category has a slug for search_businesses and nearby, and a cityon.pl link to the category page. Lista kategorii firm z liczbą firm: w danym mieście albo największe w Polsce. Każda kategoria ma slug do search_businesses i nearby oraz link do strony kategorii na cityon.pl.
- `list_investments`: New-build housing investments in a Polish city from developer price lists: developer, available units, price range, price per m2 from, area range, completion date, data date and cityon.pl link, plus the city's median asking price per m2. Inwestycje mieszkaniowe w mieście z wykazów deweloperów: deweloper, wolne lokale, zakres cen, cena od za m2, metraże, termin oddania, data danych i link, oraz mediana zł/m2 w mieście.
- `nearby`: Find the closest businesses around a point in Poland, optionally of one category, within a radius up to 10 km. Results are sorted by distance and include distance in meters and a cityon.pl link. Najbliższe firmy wokół punktu w Polsce, opcjonalnie z jednej kategorii, w promieniu do 10 km. Wyniki od najbliższego, z odległością w metrach i linkiem do cityon.pl.
- `search_businesses`: Find businesses and places in Poland by name or type, optionally in a city and category. Returns up to 20 results with address, today's opening hours, coordinates and a cityon.pl link. Use for questions like "pizzeria in Kraków", "Biedronka Gdańsk", "locksmith Poznań". Szukaj firm i miejsc w Polsce po nazwie lub rodzaju, opcjonalnie w mieście i kategorii. Zwraca do 20 wyników z adresem, dzisiejszymi godzinami, współrzędnymi i linkiem do cityon.pl.
- `search_properties`: Apartments or houses for sale in a Polish city, cheapest first, from both markets: the primary market (new builds from statutory developer price lists) and the secondary market (listings). Filter by market, maximum price, area and price per m2. Each result has market, source, price, price per m2, area, address, developer and investment for new builds, the price list date, and a cityon.pl link. Developer price lists do not include the number of rooms or the floor. Mieszkania lub domy na sprzedaż w mieście, od najtańszych, z rynku pierwotnego (wykazy cen deweloperów) i wtórnego (ogłoszenia). Filtry: rynek, cena maksymalna, metraż, cena za m2. Wykazy nie podają liczby pokoi.