Japanese company, invoice and postcode data, plus real people who do tasks in Japan.
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Check whether a new request can be taken now. Remote work (calls, online reservations) has a daily limit; on-the-ground work takes one job at a time. Returns open or full and when it reopens.
This tool takes no arguments.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http ask-japan https://askjapan.senpinai.com/mcp
Check whether a new request can be taken now. Remote work (calls, online reservations) has a daily limit; on-the-ground work takes one job at a time. Returns open or full and when it reopens.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Check whether a Japanese corporation is a registered Qualified Invoice Issuer (needed for consumption-tax credit). Accepts T + 13 digits or the 13-digit corporate number.
| Argument | Type | Description |
|---|---|---|
| number* | string | Invoice registration number (T1234567890123) or corporate number |
{
"type": "object",
"required": [
"number"
],
"properties": {
"number": {
"type": "string",
"description": "Invoice registration number (T1234567890123) or corporate number"
}
},
"additionalProperties": false
}Check whether a MARU Order restaurant is taking takeout orders now, its hours and whether it accepts JPYC with a discount.
| Argument | Type | Description |
|---|---|---|
| shop* | string |
{
"type": "object",
"required": [
"shop"
],
"properties": {
"shop": {
"type": "string"
}
},
"additionalProperties": false
}One profile for a Japanese corporation from its 13-digit corporate number: registered name and address, invoice (tax) registration status, and listing, industry and capital if it files with EDINET.
| Argument | Type | Description |
|---|---|---|
| corporate_number* | string | 13-digit corporate number |
{
"type": "object",
"required": [
"corporate_number"
],
"properties": {
"corporate_number": {
"type": "string",
"description": "13-digit corporate number"
}
},
"additionalProperties": false
}Get a MARU Order restaurant's menu: categories, items with tax-included JPY prices, options (size, toppings), allergens and sold-out flags. Use list shop slugs from the maru://order/shops resource.
| Argument | Type | Description |
|---|---|---|
| shop* | string | Shop slug, e.g. maru-demo |
{
"type": "object",
"required": [
"shop"
],
"properties": {
"shop": {
"type": "string",
"description": "Shop slug, e.g. maru-demo"
}
},
"additionalProperties": false
}Get the status of a request: received, quoted (price and how to pay), paid, in_progress, done (with result), cancelled or refunded.
| Argument | Type | Description |
|---|---|---|
| request_id* | string | The request_id returned by request_service |
{
"type": "object",
"required": [
"request_id"
],
"properties": {
"request_id": {
"type": "string",
"description": "The request_id returned by request_service"
}
},
"additionalProperties": false
}List the services MARU Japan Hands provides in Japan (Japanese phone calls, restaurant and golf reservations, shopping proxy, on-site checks, interpreting, Osaka stays, home search and property viewings, app development), with prices in JPY, limits and what is not offered.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}Get the address for a 7-digit Japanese postcode, including large offices that have their own postcode.
| Argument | Type | Description |
|---|---|---|
| postcode* | string | 7 digits, hyphen optional, e.g. 530-0001 |
{
"type": "object",
"required": [
"postcode"
],
"properties": {
"postcode": {
"type": "string",
"description": "7 digits, hyphen optional, e.g. 530-0001"
}
},
"additionalProperties": false
}Place a takeout order. Returns an order number and a link. The customer pays at pickup at the counter, or opens the link to pay with JPYC (discounted). This tool never charges or moves money.
| Argument | Type | Description |
|---|---|---|
| name* | string | Name for the order |
| shop* | string | |
| items* | array | |
| contact | string | Phone or email for the shop to reach the customer |
| pickup_time* | string | Pickup time today in JST, HH:MM |
{
"type": "object",
"required": [
"shop",
"items",
"pickup_time",
"name"
],
"properties": {
"name": {
"type": "string",
"description": "Name for the order"
},
"shop": {
"type": "string"
},
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"id",
"qty"
],
"properties": {
"id": {
"type": "string",
"description": "Item id from get_menu"
},
"qty": {
"type": "integer",
"maximum": 20,
"minimum": 1
},
"options": {
"type": "object",
"description": "Group name -> list of chosen option names",
"additionalProperties": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"additionalProperties": false
},
"maxItems": 30,
"minItems": 1
},
"contact": {
"type": "string",
"description": "Phone or email for the shop to reach the customer"
},
"pickup_time": {
"type": "string",
"description": "Pickup time today in JST, HH:MM"
}
},
"additionalProperties": false
}Instant cost estimate to buy an item sold in Japan and ship it: item price (from the shop page the user or agent found), our fee (10%, minimum JPY 2,000) and shipping estimated from Japan Post's official EMS table. Read-only: it does not order or charge anything.
| Argument | Type | Description |
|---|---|---|
| item_url | string | Product page URL in Japan (Rakuten, Amazon.co.jp, brand store, etc.) |
| quantity | integer | |
| item_name | string | Product name |
| item_price_jpy* | integer | Price per unit in JPY, tax included, as shown on the shop page |
| ship_to_country* | string | ISO 2-letter country code of the destination, e.g. US, TW, CN; JP for Japan |
| estimated_weight_kg | number | Item weight in kg if known (default 1.0) |
| seller_shipping_jpy | integer | Shop's shipping to our address in Japan, if any |
{
"type": "object",
"required": [
"item_price_jpy",
"ship_to_country"
],
"properties": {
"item_url": {
"type": "string",
"description": "Product page URL in Japan (Rakuten, Amazon.co.jp, brand store, etc.)"
},
"quantity": {
"type": "integer",
"maximum": 50,
"minimum": 1
},
"item_name": {
"type": "string",
"description": "Product name"
},
"item_price_jpy": {
"type": "integer",
"minimum": 1,
"description": "Price per unit in JPY, tax included, as shown on the shop page"
},
"ship_to_country": {
"type": "string",
"description": "ISO 2-letter country code of the destination, e.g. US, TW, CN; JP for Japan"
},
"estimated_weight_kg": {
"type": "number",
"maximum": 30,
"minimum": 0.01,
"description": "Item weight in kg if known (default 1.0)"
},
"seller_shipping_jpy": {
"type": "integer",
"minimum": 0,
"description": "Shop's shipping to our address in Japan, if any"
}
},
"additionalProperties": false
}Send a request for a service in Japan. Fixed-price services (phone_call JPY 1,500, restaurant_booking JPY 3,000, interpreting JPY 5,000 per 30 min) return the quote and payment details immediately. Other services get a fixed quote from a person within 2 hours (JST 09:00-21:00); requests sent outside hours are handled from 09:00. No email is needed: follow up with get_request_status. Creating a request is free and does not move any money. Full refund if we cannot do the task or you cancel before work starts.
| Argument | Type | Description |
|---|---|---|
| details* | string | What, where, when, how many people, names, constraints |
| service* | string | Service id from list_services |
| language | string | Preferred language for replies, e.g. en, ja, zh |
| budget_jpy | integer | Optional budget in JPY |
| callback_url | string | Optional public https URL that receives status updates as JSON |
| contact_email | string | Optional email for the quote and result |
{
"type": "object",
"required": [
"service",
"details"
],
"properties": {
"details": {
"type": "string",
"maxLength": 4000,
"minLength": 5,
"description": "What, where, when, how many people, names, constraints"
},
"service": {
"enum": [
"ai_agent_integration",
"custom",
"interpreting",
"phone_call",
"photo_check",
"property_search",
"property_viewing",
"queue_pickup",
"restaurant_booking",
"software_development",
"stay_osaka",
"store_purchase"
],
"type": "string",
"description": "Service id from list_services"
},
"language": {
"type": "string",
"description": "Preferred language for replies, e.g. en, ja, zh"
},
"budget_jpy": {
"type": "integer",
"minimum": 0,
"description": "Optional budget in JPY"
},
"callback_url": {
"type": "string",
"description": "Optional public https URL that receives status updates as JSON"
},
"contact_email": {
"type": "string",
"description": "Optional email for the quote and result"
}
},
"additionalProperties": false
}Find postcodes by part of a Japanese address or an office name, e.g. 大阪市北区梅田.
| Argument | Type | Description |
|---|---|---|
| text* | string | Part of the address in Japanese |
{
"type": "object",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"description": "Part of the address in Japanese"
}
},
"additionalProperties": false
}Search all ~5.8 million corporations registered in Japan by name (Japanese, partial match). Returns corporate number, address, type and whether it is closed. Use the corporate number with get_company_profile.
| Argument | Type | Description |
|---|---|---|
| name* | string | Company name or part of it, in Japanese, e.g. トヨタ自動車 |
| limit | integer | |
| prefecture | string | Optional prefecture filter in Japanese, e.g. 大阪府 |
| include_closed | boolean | Include closed corporations (default false) |
{
"type": "object",
"required": [
"name"
],
"properties": {
"name": {
"type": "string",
"description": "Company name or part of it, in Japanese, e.g. トヨタ自動車"
},
"limit": {
"type": "integer",
"maximum": 50,
"minimum": 1
},
"prefecture": {
"type": "string",
"description": "Optional prefecture filter in Japanese, e.g. 大阪府"
},
"include_closed": {
"type": "boolean",
"description": "Include closed corporations (default false)"
}
},
"additionalProperties": false
}Filter companies that file securities reports in Japan (EDINET) by industry (Japanese name, e.g. 不動産業, 輸送用機器) and minimum capital. Returns securities code and capital.
| Argument | Type | Description |
|---|---|---|
| limit | integer | |
| industry | string | EDINET industry name in Japanese |
| listed_only | boolean | Only listed companies (default true) |
| min_capital_million_yen | number |
{
"type": "object",
"required": [],
"properties": {
"limit": {
"type": "integer",
"maximum": 100,
"minimum": 1
},
"industry": {
"type": "string",
"description": "EDINET industry name in Japanese"
},
"listed_only": {
"type": "boolean",
"description": "Only listed companies (default true)"
},
"min_capital_million_yen": {
"type": "number",
"minimum": 0
}
},
"additionalProperties": false
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 13, 2026.