CAZ Cost

UK Clean Air Zone daily charges by council, per vehicle class, and what a trip costs.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
75%
Naming quality
87%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~309Tokens (tool definitions)
~647 BTypical response size
Minimal attention impact (0.24% 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": {
    "zones": {
      "url": "https://caz-cost.rowb.app/mcp"
    }
  }
}

Remote endpoints

https://caz-cost.rowb.app/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢list_zones

List every UK Clean Air Zone with the daily charge each council publishes, per vehicle class, plus the London Congestion Charge and ULEZ which are separate schemes.

Input Schema

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}
🟢zone_charges(zone)

Get one zone by id: its daily charge for each vehicle class, its notes, its penalty figures and the source URLs the numbers came from.

Input Schema

{
  "type": "object",
  "properties": {
    "zone": {
      "type": "string",
      "description": "Zone id, e.g. birmingham, bristol, bradford, bath, portsmouth, sheffield, tyneside, london-cc, london-ulez"
    }
  },
  "required": [
    "zone"
  ],
  "additionalProperties": false
}
⚪trip_cost(zone, vehicle, days, unpaid)

Cost one trip through a zone: daily rate x days, plus the penalty if it went unpaid. Returns chargeable=false when that vehicle class is not charged, and lists the zones where it would be.

Input Schema

{
  "type": "object",
  "properties": {
    "zone": {
      "type": "string"
    },
    "vehicle": {
      "type": "string",
      "description": "car, motorcycle, van, minibus, taxi, hgv, bus or coach"
    },
    "days": {
      "type": "integer",
      "description": "Chargeable days, 1..365"
    },
    "unpaid": {
      "type": "boolean",
      "description": "Include the Penalty Charge Notice amount"
    }
  },
  "required": [
    "zone"
  ],
  "additionalProperties": false
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded3 tools