MCP MeasureMCP Measure

index observed

Cerveja Barata

Beer prices in Brazilian bars ranked by price per litre: search, cheapest now, bars, price index

Should I use this

Quality & Safety

A
Description quality
90%
Schema completeness
99%
Naming quality
89%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (1)

  • LOWTool 'cheapest_now' description lacks action verbin cheapest_now

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~1,545Tokens (tool definitions)
~1.6 KBTypical response size
Moderate attention impact (1.21% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "mcp": {
      "url": "https://cervejabarata.com.br/mcp"
    }
  }
}

Remote endpoints

https://cervejabarata.com.br/mcpstreamable-http

What it can do

Tool inventory

Tools (7)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢price_per_litre(price_brl, volume_ml, units)

Convert a Brazilian beer price into reais per litre, the unit Cerveja Barata ranks by. Give the price paid in BRL, the volume of one unit in ml and how many units the price buys (e.g. 5 for a bucket of 5 long necks).

Input Schema

{
  "type": "object",
  "properties": {
    "price_brl": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Price paid, in BRL, e.g. 9.99"
    },
    "volume_ml": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Volume of one unit in millilitres, e.g. 600"
    },
    "units": {
      "type": "integer",
      "minimum": 1,
      "default": 1,
      "description": "Units the price buys"
    }
  },
  "required": [
    "price_brl",
    "volume_ml"
  ],
  "additionalProperties": false
}

Output Schema

{
  "type": "object",
  "properties": {
    "price_per_litre_brl": {
      "type": "number"
    },
    "formatted": {
      "type": "string"
    }
  },
  "required": [
    "price_per_litre_brl",
    "formatted"
  ]
}
🟢search_deals(city, neighbourhood, brand, format, kind, ...)

Beer prices in a city's bars, cheapest per litre first, each with the bar, the serving, the price, when it applies (happy hours) and when it was last checked. Filter by bairro, brand, format, kind or a maximum price per litre. Open bars only come with kind=open_bar, ranked by package price.

Input Schema

{
  "type": "object",
  "properties": {
    "city": {
      "type": "string",
      "maxLength": 60,
      "description": "City slug from catalog, e.g. \"salvador\""
    },
    "neighbourhood": {
      "type": "string",
      "maxLength": 80,
      "description": "Bairro slug from list_neighbourhoods"
    },
    "brand": {
      "type": "string",
      "maxLength": 60,
      "description": "Brand slug from catalog, e.g. \"brahma\""
    },
    "format": {
      "type": "string",
      "maxLength": 40,
      "description": "Format type (lata, long_neck, garrafa, litrao, chopp, torre) or code (garrafa_600), from catalog"
    },
    "kind": {
      "type": "string",
      "enum": [
        "regular",
        "happy_hour",
        "promo",
        "combo",
        "open_bar"
      ],
      "description": "Only this kind of price"
    },
    "max_price_per_litre": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "In BRL per litre, e.g. 15"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 20,
      "default": 10,
      "description": "How many prices"
    },
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "required": [
    "city"
  ],
  "additionalProperties": false
}
🟢cheapest_now(city, lat, lng, radius_m, format, ...)

The cheapest beer prices on right now in the city's time zone, happy hours and timed promos included. Give lat and lng to keep bars within radius_m of a point (distance in metres comes back with each price).

Input Schema

{
  "type": "object",
  "properties": {
    "city": {
      "type": "string",
      "maxLength": 60,
      "description": "City slug from catalog, e.g. \"salvador\""
    },
    "lat": {
      "type": "number",
      "minimum": -90,
      "maximum": 90,
      "description": "Latitude of the point, e.g. -13.0109"
    },
    "lng": {
      "type": "number",
      "minimum": -180,
      "maximum": 180,
      "description": "Longitude of the point, e.g. -38.4915"
    },
    "radius_m": {
      "type": "integer",
      "minimum": 100,
      "maximum": 10000,
      "default": 2000,
      "description": "Around the point"
    },
    "format": {
      "type": "string",
      "maxLength": 40,
      "description": "Format type (lata, long_neck, garrafa, litrao, chopp, torre) or code (garrafa_600), from catalog"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 10,
      "default": 5,
      "description": "How many prices"
    },
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "required": [
    "city"
  ],
  "additionalProperties": false
}
🟢get_venue(city, venue, lang)

A bar's details (kind, bairro, address, location, Instagram, opening hours, attributes) and every beer price it has, cheapest per litre first. The venue slug comes from search_deals or cheapest_now URLs.

Input Schema

{
  "type": "object",
  "properties": {
    "city": {
      "type": "string",
      "maxLength": 60,
      "description": "City slug from catalog, e.g. \"salvador\""
    },
    "venue": {
      "type": "string",
      "maxLength": 120,
      "description": "Venue slug, e.g. \"boteco-do-ze\""
    },
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "required": [
    "city",
    "venue"
  ],
  "additionalProperties": false
}
🟢list_neighbourhoods(city, lang)

The city's bairros that have beer prices: how many bars and prices each has and its cheapest price per litre, most covered first. The slugs filter search_deals.

Input Schema

{
  "type": "object",
  "properties": {
    "city": {
      "type": "string",
      "maxLength": 60,
      "description": "City slug from catalog, e.g. \"salvador\""
    },
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "required": [
    "city"
  ],
  "additionalProperties": false
}
🟢price_index(city, month, lang)

The monthly Índice Cerveja Barata for a city: median, quartiles and minimum price per litre, for the whole city and by format, bairro and brand, with how many prices and bars each cell rests on. Latest month by default; final once the month is closed.

Input Schema

{
  "type": "object",
  "properties": {
    "city": {
      "type": "string",
      "maxLength": 60,
      "description": "City slug from catalog, e.g. \"salvador\""
    },
    "month": {
      "type": "string",
      "maxLength": 7,
      "description": "Month as YYYY-MM, e.g. \"2026-11\"; latest by default"
    },
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "required": [
    "city"
  ],
  "additionalProperties": false
}
🟢catalog(lang)

The cities covered (with how many prices each has), the beer brands and the serving formats: the slugs the other tools take.

Input Schema

{
  "type": "object",
  "properties": {
    "lang": {
      "type": "string",
      "enum": [
        "pt-BR",
        "en"
      ],
      "default": "pt-BR",
      "description": "Language of labels, schedules and page links"
    }
  },
  "additionalProperties": false
}

Community

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Evidence

Recent observations

verifiedversion not recorded7 tools