MCP server

Japan Agent API

io.github.mk-career-planning/japan-agent-api

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Japan JMA warnings, typhoons, volcano levels and municipality code history in English; x402 checks

Working at last checkAbout 2,187 tokens per request once connected8 tools

Website

https://japan-agent-api-production.mk-career-planning.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 8
Token cost: About 2,187 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http japan-agent-api https://japan-agent-api-production.mk-career-planning.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.japan-agent-api]
url = "https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"japan-agent-api":{"httpUrl":"https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"japan-agent-api":{"url":"https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"}}}

VS Code

{"servers":{"japan-agent-api":{"type":"http","url":"https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"}}}

Antigravity

agy mcp add japan-agent-api https://japan-agent-api-production.mk-career-planning.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"japan-agent-api","server_url":"https://japan-agent-api-production.mk-career-planning.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"japan-agent-api","server_url":"https://japan-agent-api-production.mk-career-planning.workers.dev/mcp"}

Tools

catalog ~68 tokens
List the tools of this server with prices, data sources, licensing, daily limits and data freshness.
get_receipt ~164 tokens
Re-fetch the stored result of a settled paid call (e.g. jp_trip_impact_check) by its receipt_id, for when the response was lost after payment. Free. Unknown or unsettled receipt ids return RECEIPT_NOT_FOUND. Results are kept for 90 days after settlement.
jp_municipality ~420 tokens
Which code does this Japanese municipality have on a date (default today)? Give a 5/6-digit code, or prefecture and name (old names OK). Returns status mapped / split_candidates / unknown / invalid, the valid code with English and Japanese names, change type and date (merger, incorporation, division
jp_municipality_batch ~513 tokens
Which codes are valid on a date for up to 50 Japanese municipalities? e-Stat LOD change history (CC BY 4.0): status mapped / split_candidates (all successors, not apportioned) / unknown / invalid, the code valid on as_of with English and Japanese names, change type and date, confirmed JMA warning ar
jp_trip_impact_check ~400 tokens
Does a JMA warning or advisory in effect now match a stop on this Japan itinerary [{date, prefecture}]? Per stop: matched_advisory (with severity), no_match_in_checked_sources (NOT a statement of no impact) or unknown (data missing, or date not today/tomorrow JST). Returns checked sources and areas,
jp_typhoons ~134 tokens
Which typhoons is JMA issuing bulletins for right now, and what do the bulletins forecast? Number, name, center position, central pressure, maximum wind, issue time, and forecast-circle centers, radii and times, relayed as structured JSON from JMA bulletins (VPTW60-65). No independent forecast, inte
jp_volcanoes ~251 tokens
What is the current JMA Volcanic Alert Level (1-5, or warning kind) of this volcano or of every JMA-monitored volcano? Name in English or Japanese, or 3-digit JMA code. Returns JMA English and Japanese names, level, previous level and change, issue time, prefectures named in JMA bulletins, source UR
jp_warnings ~237 tokens
Which JMA weather emergency warnings, warnings and advisories are in effect in this Japanese prefecture now? Structured JSON in English and Japanese (type, level, status, areas with JMA's English names, issued_at, source URL). Relay only; no independent forecast.

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