CAZ Cost

app.rowb.caz-cost/zones · v1.0.0

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Not declared (tools carry no read/destructive hints)
Capabilities declared	tools
Tool definitions	3 tools · with description 100% · input schema is an object 100% · read/destructive hints 0%

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

streamable-http · https://caz-cost.rowb.app/mcp

claude mcp add --transport http zones https://caz-cost.rowb.app/mcp

{
  "mcpServers": {
    "zones": {
      "url": "https://caz-cost.rowb.app/mcp"
    }
  }
}

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.
zone_charges
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.
trip_cost
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.

Website · JSON · Text for agents · Registry updated 2026-10-04