MCP MeasureMCP Measure

index observed

Japan Volcano Alerts MCP

JMA volcano warnings and eruption forecasts.

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

~172Tokens (tool definitions)
~339 BTypical response size
Minimal attention impact (0.13% 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-volcano-alerts-mcp": {
      "url": "https://jp-volcano-alerts-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-volcano-alerts-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

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

FREE. Latest JMA volcano warning entries (newest 5).

Input Schema

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

PRO. Search volcano bulletins by keyword (volcano name / level text).

Input Schema

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

PRO. Full JMA volcano warning JSON list (may be large).

Input Schema

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

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded3 tools