Koskamo

Czartery MCP

A remote MCP server hosted by Wondel.ai that enables agents to search for Polish charter flight offers from operators Rainbow, Itaka, and TUI. It provides tools to search destinations, view outbound flight details, and retrieve itineraries with prices in PLN, caching results for five minutes.

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Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Czartery MCP logo, by Wondel.aiVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-02Operated by Wondel.ai
MCP endpoint (Streamable HTTP)
https://mcp.wondel.ai/czartery/mcp
Vendor documentation

What its tools do

4 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Not annotated (4)

4 of 4 have a description · 0 of 4 declare behavior hints · 4 of 4 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to wondel.ai ·
  • Passed Endpoint is on the registry namespace domain ·
  • Uptime 100% over 90 days
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search charter destinations from Polish airports with lowest prices
  • View day-by-day outbound flight details including baggage and times
  • Retrieve full Itaka itineraries with booking links
  • Compare TUI stay-length prices for specific destinations

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: ai.wondel/czartery@1.0.0Project website

Protocol and capabilities

Server
Czartery 1.0.0
MCP protocol negotiated in check
2025-06-18
Tools
4 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  }
}

Tools

4 advertised

rainbow_search_charters — Rainbow charter destinations
Advertised by the server during the last successful anonymous check.

Charter flight destinations sold by Rainbow Tours (biletyczarterowe.r.pl) matching optional destination/origin/date filters: per destination you get the country, region, nearest departure date, baggage allowance and the lowest per-person price. Prices are charter seat prices in PLN. Use rainbow_search_outbound for day-by-day flights to one destination. Result shape: { source, fetchedAt, query, search_url, count, flights: [...], price_range: { min, max } } — the list key is `flights`, but each entry is a DESTINATION, not a single flight: { destination, destination_iata, country, region, departure_date, price_per_person, currency, baggage_kg }.

rainbow_search_charters input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "adults": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Number of adults. Default 2."
    },
    "one_way": {
      "type": "boolean",
      "description": "Search one-way charters instead of returns. Default false."
    },
    "origins": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 3
      },
      "description": "Polish origin IATA codes to filter by, e.g. ['WAW','KTW']. Omit for all."
    },
    "no_cache": {
      "type": "boolean",
      "description": "Force a fresh fetch and bypass this server's result cache. Default false."
    },
    "departure_to": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Latest departure date, YYYY-MM-DD."
    },
    "destinations": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 3
      },
      "description": "Destination IATA codes to filter by, e.g. ['AYT','HRG']. Omit for all."
    },
    "departure_from": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Earliest departure date, YYYY-MM-DD."
    }
  }
}
rainbow_search_charters output schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "source",
    "fetchedAt",
    "query",
    "search_url",
    "count",
    "flights",
    "price_range"
  ],
  "properties": {
    "count": {
      "type": "number"
    },
    "query": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "source": {
      "type": "string"
    },
    "flights": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "destination",
          "destination_iata",
          "country",
          "region",
          "departure_date",
          "price_per_person",
          "currency",
          "baggage_kg"
        ],
        "properties": {
          "region": {
            "type": "string"
          },
          "country": {
            "type": "string"
          },
          "currency": {
            "type": "string"
          },
          "baggage_kg": {
            "anyOf": [
              {
                "type": "number"
              },
              {
                "type": "null"
              }
            ]
          },
          "destination": {
            "type": "string"
          },
          "departure_date": {
            "type": "string"
          },
          "destination_iata": {
            "type": "string"
          },
          "price_per_person": {
            "type": "number"
          }
        },
        "additionalProperties": {}
      }
    },
    "fetchedAt": {
      "type": "string"
    },
    "search_url": {
      "type": "string"
    },
    "price_range": {
      "type": "object",
      "required": [
        "min",
        "max"
      ],
      "properties": {
        "max": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ]
        },
        "min": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ]
        }
      },
      "additionalProperties": {}
    }
  },
  "additionalProperties": {}
}
rainbow_search_outbound — Rainbow outbound flights per day
Advertised by the server during the last successful anonymous check.

Day-by-day outbound charter flights to ONE Rainbow destination in a date window: per day the cheapest price and every flight with origin, departure time, airline, flight number, baggage and per-person/total price. Prices are charter seat prices in PLN. Get destination codes from rainbow_search_charters. Result shape: { source, fetchedAt, query, search_url, destination, period, days_with_flights, days: [...] } — the list key is `days`, one entry per calendar day: { date, cheapest_price, flights: [{ origin, destination, departure_time, price_per_person, total_price, currency, airline_code, flight_number, cabin_baggage_kg, checked_baggage_kg, meals_included }] }. A day with no flights is simply absent.

rainbow_search_outbound input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "destination",
    "date_from",
    "date_to"
  ],
  "properties": {
    "adults": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Number of adults. Default 2."
    },
    "date_to": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Window end, YYYY-MM-DD."
    },
    "origins": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 3
      },
      "description": "Polish origin IATA codes to filter by. Omit for all."
    },
    "no_cache": {
      "type": "boolean",
      "description": "Force a fresh fetch and bypass this server's result cache. Default false."
    },
    "date_from": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Window start, YYYY-MM-DD."
    },
    "destination": {
      "type": "string",
      "minLength": 3,
      "description": "Destination IATA code, e.g. AYT."
    }
  }
}
rainbow_search_outbound output schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "source",
    "fetchedAt",
    "query",
    "search_url",
    "destination",
    "period",
    "days_with_flights",
    "days"
  ],
  "properties": {
    "days": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "date",
          "cheapest_price",
          "flights"
        ],
        "properties": {
          "date": {
            "type": "string"
          },
          "flights": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "origin",
                "destination",
                "departure_time",
                "price_per_person",
                "total_price",
                "currency",
                "airline_code",
                "flight_number",
                "cabin_baggage_kg",
                "checked_baggage_kg",
                "meals_included"
              ],
              "properties": {
                "origin": {
                  "type": "string"
                },
                "currency": {
                  "type": "string"
                },
                "destination": {
                  "type": "string"
                },
                "total_price": {
                  "type": "number"
                },
                "airline_code": {
                  "anyOf": [
                    {
                      "type": "string"
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "flight_number": {
                  "anyOf": [
                    {
                      "type": "string"
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "departure_time": {
                  "type": "string"
                },
                "meals_included": {
                  "type": "boolean"
                },
                "cabin_baggage_kg": {
                  "anyOf": [
                    {
                      "type": "number"
                    },
                    {
                      "type": "null"
                    }
                  ]
                },
                "price_per_person": {
                  "type": "number"
                },
                "checked_baggage_kg": {
                  "anyOf": [
                    {
                      "type": "number"
                    },
                    {
                      "type": "null"
                    }
                  ]
                }
              },
              "additionalProperties": {}
            }
          },
          "cheapest_price": {
            "anyOf": [
              {
                "type": "number"
              },
              {
                "type": "null"
              }
            ]
          }
        },
        "additionalProperties": {}
      }
    },
    "query": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "period": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "fetchedAt": {
      "type": "string"
    },
    "search_url": {
      "type": "string"
    },
    "destination": {
      "type": "string"
    },
    "days_with_flights": {
      "type": "number"
    }
  },
  "additionalProperties": {}
}
itaka_search_charters — Itaka charter itineraries
Advertised by the server during the last successful anonymous check.

Charter flight itineraries from Itaka.pl between a Polish origin and a charter destination: each itinerary carries full legs (airports, dates, times, carrier, stops), per-person and total price, and a direct booking URL. Prices are charter seat prices in PLN. Only supports Itaka's fixed airport list — the error message lists valid codes when one is unsupported. Result shape: { source, fetchedAt, query, search_url, route, total_pages, current_page, total_rates, count, itineraries: [...] } — the list key is `itineraries`. Each: { trip_type, price_total, price_per_person, currency, booking_url, outbound, return_flight }, where outbound/return_flight are { departure: { city, airport_code, date, time, carrier, flight_number }, arrival: { city, airport_code, date, time }, duration_minutes, stops } and `return_flight` is null on a one-way.

itaka_search_charters input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "origin",
    "destination"
  ],
  "properties": {
    "page": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "1-indexed result page. Default 1."
    },
    "adults": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Number of adults. Default 2."
    },
    "origin": {
      "type": "string",
      "minLength": 3,
      "description": "Polish origin IATA code (WAW, KRK, GDN, KTW, WRO, POZ, RZE, SZZ, BZG, LCJ, LUZ, RDO, SZY, IEG)."
    },
    "sort_by": {
      "enum": [
        "priceAsc",
        "priceDesc",
        "dateFromAsc",
        "dateFromDesc"
      ],
      "type": "string",
      "description": "Result ordering. Default Itaka's own."
    },
    "no_cache": {
      "type": "boolean",
      "description": "Force a fresh fetch and bypass this server's result cache. Default false."
    },
    "destination": {
      "type": "string",
      "minLength": 3,
      "description": "Destination IATA code from Itaka's charter network, e.g. AYT, HER, FNC."
    },
    "flight_type": {
      "enum": [
        "returnTicket",
        "oneWayTicket"
      ],
      "type": "string",
      "description": "Trip type. Default returnTicket."
    }
  }
}
itaka_search_charters output schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "source",
    "fetchedAt",
    "query",
    "search_url",
    "route",
    "total_pages",
    "current_page",
    "total_rates",
    "count",
    "itineraries"
  ],
  "properties": {
    "count": {
      "type": "number"
    },
    "query": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "route": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "fetchedAt": {
      "type": "string"
    },
    "search_url": {
      "type": "string"
    },
    "itineraries": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "trip_type",
          "price_total",
          "price_per_person",
          "currency",
          "booking_url",
          "outbound",
          "return_flight"
        ],
        "properties": {
          "currency": {
            "type": "string"
          },
          "outbound": {
            "type": "object",
            "required": [
              "departure",
              "arrival",
              "duration_minutes",
              "stops"
            ],
            "properties": {
              "stops": {
                "type": "number"
              },
              "arrival": {
                "type": "object",
                "required": [
                  "city",
                  "airport_code",
                  "date",
                  "time"
                ],
                "properties": {
                  "city": {
                    "type": "string"
                  },
                  "date": {
                    "type": "string"
                  },
                  "time": {
                    "type": "string"
                  },
                  "carrier": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  },
                  "airport_code": {
                    "type": "string"
                  },
                  "flight_number": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  }
                },
                "additionalProperties": {}
              },
              "departure": {
                "type": "object",
                "required": [
                  "city",
                  "airport_code",
                  "date",
                  "time"
                ],
                "properties": {
                  "city": {
                    "type": "string"
                  },
                  "date": {
                    "type": "string"
                  },
                  "time": {
                    "type": "string"
                  },
                  "carrier": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  },
                  "airport_code": {
                    "type": "string"
                  },
                  "flight_number": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  }
                },
                "additionalProperties": {}
              },
              "duration_minutes": {
                "type": "number"
              }
            },
            "additionalProperties": {}
          },
          "trip_type": {
            "type": "string"
          },
          "booking_url": {
            "type": "string"
          },
          "price_total": {
            "type": "number"
          },
          "return_flight": {
            "anyOf": [
              {
                "type": "object",
                "required": [
                  "departure",
                  "arrival",
                  "duration_minutes",
                  "stops"
                ],
                "properties": {
                  "stops": {
                    "type": "number"
                  },
                  "arrival": {
                    "type": "object",
                    "required": [
                      "city",
                      "airport_code",
                      "date",
                      "time"
                    ],
                    "properties": {
                      "city": {
                        "type": "string"
                      },
                      "date": {
                        "type": "string"
                      },
                      "time": {
                        "type": "string"
                      },
                      "carrier": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "airport_code": {
                        "type": "string"
                      },
                      "flight_number": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      }
                    },
                    "additionalProperties": {}
                  },
                  "departure": {
                    "type": "object",
                    "required": [
                      "city",
                      "airport_code",
                      "date",
                      "time"
                    ],
                    "properties": {
                      "city": {
                        "type": "string"
                      },
                      "date": {
                        "type": "string"
                      },
                      "time": {
                        "type": "string"
                      },
                      "carrier": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "airport_code": {
                        "type": "string"
                      },
                      "flight_number": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      }
                    },
                    "additionalProperties": {}
                  },
                  "duration_minutes": {
                    "type": "number"
                  }
                },
                "additionalProperties": {}
              },
              {
                "type": "null"
              }
            ]
          },
          "price_per_person": {
            "type": "number"
          }
        },
        "additionalProperties": {}
      }
    },
    "total_pages": {
      "type": "number"
    },
    "total_rates": {
      "type": "number"
    },
    "current_page": {
      "type": "number"
    }
  },
  "additionalProperties": {}
}
tui_search_charters — TUI charter destinations
Advertised by the server during the last successful anonymous check.

Charter destinations sold on TUI.pl for a stay-length window, with per-person and total prices: filter by origin/destination airports and trip duration in days. Prices are charter seat prices in PLN. Result shape: { source, fetchedAt, query, search_url, passengers, duration, count, destinations: [...] } — the list key is `destinations`. Each: { destination_name, airport_code, country, per_person_price, total_price, currency }. There are no per-flight times here; TUI only publishes a destination price.

tui_search_charters input schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "adults": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Number of adults. Default 2."
    },
    "no_cache": {
      "type": "boolean",
      "description": "Force a fresh fetch and bypass this server's result cache. Default false."
    },
    "duration_to": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Maximum stay length in days. Default 8."
    },
    "duration_from": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 1,
      "description": "Minimum stay length in days. Default 6."
    },
    "departure_airports": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 3
      },
      "description": "Origin IATA codes to filter by, e.g. ['WAW']. Omit for all."
    },
    "destination_airports": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 3
      },
      "description": "Destination IATA codes to filter by, e.g. ['AYT']. Omit for all."
    }
  }
}
tui_search_charters output schema
{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "source",
    "fetchedAt",
    "query",
    "search_url",
    "passengers",
    "duration",
    "count",
    "destinations"
  ],
  "properties": {
    "count": {
      "type": "number"
    },
    "query": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    },
    "source": {
      "type": "string"
    },
    "duration": {
      "type": "string"
    },
    "fetchedAt": {
      "type": "string"
    },
    "passengers": {
      "type": "number"
    },
    "search_url": {
      "type": "string"
    },
    "destinations": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "destination_name",
          "airport_code",
          "country",
          "per_person_price",
          "total_price",
          "currency"
        ],
        "properties": {
          "country": {
            "type": "string"
          },
          "currency": {
            "type": "string"
          },
          "total_price": {
            "type": "number"
          },
          "airport_code": {
            "type": "string"
          },
          "destination_name": {
            "type": "string"
          },
          "per_person_price": {
            "type": "number"
          }
        },
        "additionalProperties": {}
      }
    }
  },
  "additionalProperties": {}
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

100% (20 of 20 checks answered)

  1. 2026-11-02: 3 of 3 checks answered
  2. 2026-11-03: 4 of 4 checks answered
  3. 2026-11-04: 4 of 4 checks answered
  4. 2026-11-05: 4 of 4 checks answered
  5. 2026-11-06: 4 of 4 checks answered
  6. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
290 ms
95th percentile latency
290 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 290 ms · metadata changed · 4 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http czartery-mcp https://mcp.wondel.ai/czartery/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add czartery-mcp --url https://mcp.wondel.ai/czartery/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable czartery-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "czartery-mcp": {
      "url": "https://mcp.wondel.ai/czartery/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "czartery-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.wondel.ai/czartery/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start czartery-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "czartery-mcp": {
      "type": "http",
      "url": "https://mcp.wondel.ai/czartery/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http czartery-mcp https://mcp.wondel.ai/czartery/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://mcp.wondel.ai/czartery/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "czartery-mcp": {
      "serverUrl": "https://mcp.wondel.ai/czartery/mcp"
    }
  }
}

Let your agent find its tools

Find servers like Czartery MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

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