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Japan AMeDAS Observations MCP

Nationwide JMA AMeDAS temperature, humidity and precipitation observations.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
67%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~196Tokens (tool definitions)
~394 BTypical response size
Minimal attention impact (0.15% 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-amedas-obs-mcp": {
      "url": "https://jp-amedas-obs-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-amedas-obs-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

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

FREE. Latest AMeDAS observation timestamp published by JMA, plus a sample of Tokyo-area stations if present.

Input Schema

{
  "type": "object",
  "properties": {}
}
⚪station(station_id, access_token)

PRO. Observation for one AMeDAS station ID at the latest timestamp.

Input Schema

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

PRO. Warmest and coldest AMeDAS stations in the latest map (by temp).

Input Schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "number"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools