MCP MeasureMCP Measure

index observed

Japan Weather Warnings MCP

JMA weather warnings by prefecture.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
83%
Naming quality
87%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~211Tokens (tool definitions)
~482 BTypical response size
Minimal attention impact (0.16% 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": {
    "jp-weather-warnings-mcp": {
      "url": "https://jp-weather-warnings-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-weather-warnings-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪warnings_for(prefecture)

FREE. Current JMA weather warnings for a prefecture name or office code (default Tokyo / 130000).

Input Schema

{
  "type": "object",
  "properties": {
    "prefecture": {
      "type": "string"
    }
  }
}
⚪watchlist(prefectures, access_token)

PRO. Warnings for up to 10 prefectures / office codes at once.

Input Schema

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

PRO. Full JMA warning JSON for one prefecture / office code.

Input Schema

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

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded3 tools