Cook County / Chicago Property Data (free tier, no wallet needed)

{
  "type": "object",
  "properties": {},
  "title": "get_free_sampleArguments"
}

{
  "type": "object",
  "properties": {
    "address": {
      "description": "Full or partial Cook County / Chicago street address, e.g. '1 E 113th St'. Minimum 4 characters.",
      "minLength": 4,
      "title": "Address",
      "type": "string"
    }
  },
  "required": [
    "address"
  ],
  "title": "search_chicago_property_by_addressArguments"
}

{
  "type": "object",
  "properties": {
    "pin": {
      "description": "10- or 14-digit Cook County PIN (digits; dashes allowed, e.g. 14-08-120-017-0000). If you only have a street address, call search_chicago_property_by_address first.",
      "pattern": "^[0-9][0-9\\-]{8,17}$",
      "title": "Pin",
      "type": "string"
    }
  },
  "required": [
    "pin"
  ],
  "title": "get_cook_county_parcelArguments"
}

{
  "type": "object",
  "properties": {
    "pin": {
      "description": "10- or 14-digit Cook County PIN (digits; dashes allowed, e.g. 14-08-120-017-0000). If you only have a street address, call search_chicago_property_by_address first.",
      "pattern": "^[0-9][0-9\\-]{8,17}$",
      "title": "Pin",
      "type": "string"
    }
  },
  "required": [
    "pin"
  ],
  "title": "get_cook_county_property_dossierArguments"
}

{
  "type": "object",
  "properties": {
    "pin": {
      "description": "10- or 14-digit Cook County PIN (digits; dashes allowed, e.g. 14-08-120-017-0000). If you only have a street address, call search_chicago_property_by_address first.",
      "pattern": "^[0-9][0-9\\-]{8,17}$",
      "title": "Pin",
      "type": "string"
    }
  },
  "required": [
    "pin"
  ],
  "title": "find_chicago_comparable_salesArguments"
}