Ask Japan plus third-party MCP services listed on the Ask Japan hub.
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Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
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-hub https://askjapan.senpinai.com/hub
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 third-party services listed on Ask Japan and the tool prefix each one uses.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}For service providers: list your public remote MCP server (Streamable HTTP, HTTPS) on Ask Japan so its tools become available to every AI that connects to Ask Japan. The check is automatic: the URL must be public HTTPS, tools/list must work, and tool text must not contain instructions aimed at the AI. Returns approved or rejected with the reason.
| Argument | Type | Description |
|---|---|---|
| name* | string | Service name shown to users |
| mcp_url* | string | Public MCP endpoint, e.g. https://example.com/mcp |
| description | string | One or two sentences on what the service does |
| contact_email* | string | Where we can reach the operator |
{
"type": "object",
"required": [
"name",
"mcp_url",
"contact_email"
],
"properties": {
"name": {
"type": "string",
"description": "Service name shown to users"
},
"mcp_url": {
"type": "string",
"description": "Public MCP endpoint, e.g. https://example.com/mcp"
},
"description": {
"type": "string",
"description": "One or two sentences on what the service does"
},
"contact_email": {
"type": "string",
"description": "Where we can reach the operator"
}
},
"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.