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Japan Agent API

io.github.mk-career-planning/japan-agent-api · v0.4.1

Measured by MCP Station

Description written by the publisher, not verified

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

Connect

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

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

Tools as reported by the server

• catalog
  List the tools of this server with prices, data sources, licensing, daily limits and data freshness.
• jp_warnings
  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.
• jp_typhoons
  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
  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_municipality
  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
• get_receipt
  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_trip_impact_check
  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_municipality_batch
  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

Website · JSON · Text for agents · Registry updated 2026-10-11