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Japan Forecast Overview Text by Prefecture Office (Japan Meteorological Agency)

jma/forecast-overview

The Japan Meteorological Agency's written forecast overview for a prefecture-level forecast office: the issuing office, the issue time, the target area, an optional headline and the narrative text that describes the weather systems and the outlook for today and the coming days. The text is in Japanese. Give the six-digit office code (130000 Tokyo, 270000 Osaka; the forecast-offices tool lists all 56). Source: Japan Meteorological Agency website (https://www.jma.go.jp/), Public Data Licence 1.0; edited by Eden Engine (fields renamed and reduced); not an official JMA product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Japan Meteorological Agency

Source: Japan Meteorological Agency website (https://www.jma.go.jp/), used under the Public Data Licence 1.0 (https://www.digital.go.jp/resources/open_data/public_data_license_v1.0). The data have been edited by Eden Engine: fields renamed, reduced and restructured. Not an official Japan Meteorological Agency product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install itCreate an account
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "jma/forecast-overview" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "jma/forecast-overview" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "jma/forecast-overview", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "jma/forecast-overview", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

ChargePrice
Per call
$0.0026
Updated
Oct 26, 2026

Input and output schemas

Input schema
input_schema.json
{
  "type": "object",
  "required": [
    "officeCode"
  ],
  "properties": {
    "officeCode": {
      "type": "string",
      "pattern": "^(?!014030$|460040$)\\d{6}$",
      "description": "Six-digit JMA forecast office code, for example 130000 (Tokyo), 270000 (Osaka) or 011000 (Soya, Hokkaido). The forecast-offices tool lists them. Tokachi (014030) is answered inside 014100 and Amami (460040) inside 460100, so those two codes are not accepted."
    }
  },
  "additionalProperties": false
}
Output schema
output_schema.json
{
  "type": "object",
  "required": [
    "office",
    "reportDatetime",
    "area",
    "headline",
    "text"
  ],
  "properties": {
    "area": {
      "type": [
        "string",
        "null"
      ],
      "description": "Target area name (Japanese)."
    },
    "text": {
      "type": [
        "string",
        "null"
      ],
      "description": "Narrative overview (Japanese)."
    },
    "office": {
      "type": [
        "string",
        "null"
      ],
      "description": "Issuing office."
    },
    "headline": {
      "type": [
        "string",
        "null"
      ],
      "description": "Headline, when the agency gave one."
    },
    "reportDatetime": {
      "type": "string",
      "description": "Issue time, ISO 8601 with +09:00."
    }
  },
  "additionalProperties": false
}