# jma-bosai.seismic.recent

Get the most recent earthquakes reported by the Japan Meteorological Agency (JMA). Returns epicenter name (English and Japanese), magnitude, JMA seismic intensity (Shindo scale 1–7), coordinates, depth (km), and occurrence time in ISO 8601. Filter by minimum magnitude to focus on significant events. JMA Shindo scale: 1=barely felt, 4=hanging objects swing strongly, 5+=damage possible, 7=catastrophic. Complements p2pquake.seismic.recent (community network) with the official government feed. Data: JMA official seismic data — Japanese Government open data, no auth required.

Agent View of the PolicyLayer registry record for `jma-bosai.seismic.recent`. HTML page: https://policylayer.com/tools/io-github-whiteknightonhorse-apibase/jma-bosai.seismic.recent

## Facts

- Tool: `jma-bosai.seismic.recent`
- Server: Apibase (`apibase-mcp-client`) — https://policylayer.com/tools/io-github-whiteknightonhorse-apibase.md
- Install: `npx -y apibase-mcp-client`
- Homepage: https://github.com/whiteknightonhorse/APIbase
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 2
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | integer | no | Maximum number of earthquakes to return (1–100). Defaults to 20. |
| `min_magnitude` | number | no | Filter — return only earthquakes with magnitude ≥ this value (e.g. 3.0). |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "jma-bosai.seismic.recent",
    "arguments": {}
  }
}
```

## Why jma-bosai.seismic.recent is rated Low

Retrieves read-only earthquake data from a public government feed with no side effects.

From the tool's own definition: "Get the most recent earthquakes reported by JMA"

## Use case

AI agents call jma-bosai.seismic.recent to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Apibase:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "jma-bosai.seismic.recent": {}
  }
}
```

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## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-whiteknightonhorse-apibase · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-whiteknightonhorse-apibase