Chaiz MCP

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Live vehicle warranty (service contract) quotes by VIN, plate, or make/model/year.

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Tool list from our last check. Connect live to refresh it.

list_vehicle_makes Read-only

List the vehicle makes (manufacturers) Chaiz supports. Use this to map a user's make to its id before listing models.

This tool takes no arguments.

Tools (6)

list_vehicle_makes

List the vehicle makes (manufacturers) Chaiz supports. Use this to map a user's make to its id before listing models.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

list_vehicle_models

List the models (and the years available) for a given Chaiz make id. Get the make id from list_vehicle_makes.

read-only

Argument	Type	Description
makeId*	integer	The Chaiz make id returned by list_vehicle_makes.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "makeId"
  ],
  "properties": {
    "makeId": {
      "type": "integer",
      "description": "The Chaiz make id returned by list_vehicle_makes."
    }
  },
  "additionalProperties": false
}

lookup_vehicle

Fuzzy-match a vehicle by make (and optional model/year) to confirm it exists and correct spelling before a plan search. Use this when the user's make/model looks misspelled or uncertain.

read-only

Argument	Type	Description
make*	string	Vehicle make to match, e.g. "toyota". Spelling does not need to be exact.
year	integer \| null	Optional model year to narrow the match.
model	string \| null	Optional vehicle model to narrow the match.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "make"
  ],
  "properties": {
    "make": {
      "type": "string",
      "description": "Vehicle make to match, e.g. \"toyota\". Spelling does not need to be exact."
    },
    "year": {
      "type": [
        "integer",
        "null"
      ],
      "default": null,
      "description": "Optional model year to narrow the match."
    },
    "model": {
      "type": [
        "string",
        "null"
      ],
      "default": null,
      "description": "Optional vehicle model to narrow the match."
    }
  },
  "additionalProperties": false
}

search_plans_by_license_plate

Search Chaiz for vehicle service contract plans by US license plate. The plate plus state is used to identify the vehicle. Results are 36-month (3-year) term plans. License plate, state, and mileage are required. If mileage is missing, ASK the user — never guess.

read-only

Argument	Type	Description
zip	string \| null	Optional 5-digit US ZIP code for more precise pricing.
sort	string \| null	Optional ordering of results: "rating" (Chaiz expert rating, the default), "recommended", "price_low", or "price_high". Omit to use the default ordering.
state*	string	Two-letter US state code where the plate is registered, e.g. "TX". Ask the user; never guess.
mileage*	integer	The vehicle's exact current odometer reading in miles as a single whole number, 1-250000, e.g. 78000 — not a range or approximation. Ask the user; never guess.
licensePlate*	string	License plate number, 1-8 characters.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "licensePlate",
    "state",
    "mileage"
  ],
  "properties": {
    "zip": {
      "type": [
        "string",
        "null"
      ],
      "default": null,
      "description": "Optional 5-digit US ZIP code for more precise pricing."
    },
    "sort": {
      "type": [
        "string",
        "null"
      ],
      "default": null,
      "description": "Optional ordering of results: \"rating\" (Chaiz expert rating, the default), \"recommended\", \"price_low\", or \"price_high\". Omit to use the default ordering."
    },
    "state": {
      "type": "string",
      "description": "Two-letter US state code where the plate is registered, e.g. \"TX\". Ask the user; never guess."
    },
    "mileage": {
      "type": "integer",
      "description": "The vehicle's exact current odometer reading in miles as a single whole number, 1-250000, e.g. 78000 — not a range or approximation. Ask the user; never guess."
    },
    "licensePlate": {
      "type": "string",
      "description": "License plate number, 1-8 characters."
    }
  },
  "additionalProperties": false
}

search_plans_by_vehicle

Search Chaiz for vehicle service contract (extended warranty) plans by make, model, and year. Results are 36-month (3-year) term plans. Returns plan cards with monthly and total price, coverage term, coverage level, rating, and links to chaiz.com. All of make, model, year, mileage, and state are required. If any are missing, ASK the user for them — never guess the mileage or state.

read-only

Argument	Type	Description
zip	string \| null	Optional 5-digit US ZIP code for more precise pricing.
make*	string	Vehicle manufacturer, e.g. "Toyota". Ask the user if unknown.
sort	string \| null	Optional ordering of results: "rating" (Chaiz expert rating, the default), "recommended", "price_low", or "price_high". Omit to use the default ordering.
year*	integer	Model year, 1999-2030. Ask the user; never guess.
model*	string	Vehicle model, e.g. "Tundra". Ask the user if unknown.
state*	string	Two-letter US state code where the vehicle is registered, e.g. "TX". Ask the user; never guess.
mileage*

search_plans_by_vin

Search Chaiz for vehicle service contract plans by VIN. The VIN is decoded to the vehicle automatically. Results are 36-month (3-year) term plans. VIN, mileage, and state are required. If mileage or state is missing, ASK the user — never guess.

read-only

Argument	Type	Description
vin*	string	17-character Vehicle Identification Number. Ask the user to re-check if invalid; never guess.
zip	string \| null	Optional 5-digit US ZIP code for more precise pricing.
sort	string \| null	Optional ordering of results: "rating" (Chaiz expert rating, the default), "recommended", "price_low", or "price_high". Omit to use the default ordering.
state*	string	Two-letter US state code where the vehicle is registered, e.g. "TX". Ask the user; never guess.
mileage*	integer	The vehicle's exact current odometer reading in miles as a single whole number, 1-250000, e.g. 78000 — not a range or approximation. Ask the user; never guess.

Input schema (JSON)

{
  "type": "object",
  "required": [
    "vin",
    "mileage",
    "state"
  ],
  "properties": {
    "vin": {
      "type": "string",
      "description": "17-character Vehicle Identification Number. Ask the user to re-check if invalid; never guess."
    },
    "zip": {
      "type": [
        "string",
        "null"
      ],
      "default": null,
      "description": "Optional 5-digit US ZIP code for more precise pricing."
    },
    "sort": {
      "type": [
        "string",
        "null"
      ],
      "default": null,
      "description": "Optional ordering of results: \"rating\" (Chaiz expert rating, the default), \"recommended\", \"price_low\", or \"price_high\". Omit to use the default ordering."
    },
    "state": {
      "type": "string",
      "description": "Two-letter US state code where the vehicle is registered, e.g. \"TX\". Ask the user; never guess."
    },
    "mileage": {
      "type": "integer",
      "description": "The vehicle's exact current odometer reading in miles as a single whole number, 1-250000, e.g. 78000 — not a range or approximation. Ask the user; never guess."
    }
  },
  "additionalProperties": false
}