MCP MeasureMCP Measure

index observed

Canada Postal Code Lookup MCP

Resolve Canadian postal codes to city, province and coordinates.

Should I use this

Quality & Safety

B
Description quality
63%
Schema completeness
86%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (3)

  • LOWTool 'postal_lookup' description lacks action verbin postal_lookup
  • LOWTool 'batch_postal' description lacks action verbin batch_postal
  • LOWTool 'distance' description lacks action verbin distance

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~219Tokens (tool definitions)
~528 BTypical response size
Minimal attention impact (0.17% 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": {
    "ca-postal-lookup-mcp": {
      "url": "https://ca-postal-lookup-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://ca-postal-lookup-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪postal_lookup(postal_code)

FREE. Resolve a Canadian postal code (or FSA) to city/province and approximate lat/lon.

Input Schema

{
  "type": "object",
  "properties": {
    "postal_code": {
      "type": "string"
    }
  },
  "required": [
    "postal_code"
  ]
}
⚪batch_postal(postal_codes, access_token)

PRO. Resolve up to 100 Canadian postal codes / FSAs at once.

Input Schema

{
  "type": "object",
  "properties": {
    "postal_codes": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "postal_codes"
  ]
}
⚪distance(from, to, access_token)

PRO. Approximate great-circle distance (km) between two Canadian postal areas.

Input Schema

{
  "type": "object",
  "properties": {
    "from": {
      "type": "string"
    },
    "to": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "from",
    "to"
  ]
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools