MCP MeasureMCP Measure

index observed

Japan Typhoon Tracker MCP

Active typhoons and tropical cyclones from JMA. Free active_typhoons tool.

Should I use this

Quality & Safety

B
Description quality
80%
Schema completeness
70%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~191Tokens (tool definitions)
~380 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-typhoon-tracker-mcp": {
      "url": "https://jp-typhoon-tracker-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-typhoon-tracker-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

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

FREE. Active tropical cyclones tracked by JMA (target list).

Input Schema

{
  "type": "object",
  "properties": {}
}
🟢storm_list(access_token)

PRO. Full JMA target tropical cyclone list.

Input Schema

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

PRO. Try to fetch forecast detail for a tropicalCyclone id from the target list (e.g. TC2636).

Input Schema

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

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools