Japan National Holidays, All Years

caojpholidays/all-holidays

Returns every Japanese national holiday in the Cabinet Office's official table, from 1 January 1955 to the end of the next calendar year (about 1,070 rows), each with its ISO date, official Japanese name and an English rendering, in date order. The table lists statutory holidays including substitute and bridging days. Takes no input. Cabinet Office of Japan data, reshaped to JSON and served by Eden Engine; not an official Cabinet Office 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

Cabinet Office of Japan (Naikaku-fu)

National holiday table of the Cabinet Office of Japan (www8.cao.go.jp/chosei/shukujitsu/); English names are Omnial's rendering. Served by Eden Engine; not an official Cabinet Office 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 it Create an account

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "caojpholidays/all-holidays" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "caojpholidays/all-holidays" })

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

Charge	Price
Per call	$0.0026

Updated: Oct 24, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "count",
    "holidays"
  ],
  "properties": {
    "count": {
      "type": "integer",
      "description": "Number of holidays returned."
    },
    "holidays": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "date",
          "nameJa",
          "nameEn"
        ],
        "properties": {
          "date": {
            "type": "string",
            "description": "Holiday date, YYYY-MM-DD."
          },
          "nameEn": {
            "type": [
              "string",
              "null"
            ],
            "description": "English rendering of the name, or null when nameJa is null."
          },
          "nameJa": {
            "type": [
              "string",
              "null"
            ],
            "description": "Official Japanese name, or null for a name this service does not recognise yet."
          }
        },
        "additionalProperties": false
      },
      "description": "One entry per holiday, in date order."
    },
    "lastDate": {
      "type": "string",
      "description": "Latest date returned, YYYY-MM-DD."
    },
    "firstDate": {
      "type": "string",
      "description": "Earliest date returned, YYYY-MM-DD."
    }
  },
  "additionalProperties": false
}