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Japan Weather Forecast Archive (JMA, as issued)

io.github.mk-career-planning/jp-forecast-archive · v0.1.0

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	4 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

What did Japan's weather agency forecast, as issued at a past time? Archive of JMA bulletins.

streamable-http · https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp

claude mcp add --transport http jp-forecast-archive https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp

{
  "mcpServers": {
    "jp-forecast-archive": {
      "url": "https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp"
    }
  }
}

catalog
List the tools of this server with prices, data sources, licensing, daily limits and data freshness.
forecast_as_issued
Archived JMA prefectural weather forecast as issued. Give an area and at (forecast in effect then) or issued_at (exact JMA issue time). Returns JMA's bulletin as published (Japanese weather text, wind, waves, 6-hour rain probability, temperatures) with report_datetime (JMA's issue time) apart from f
forecast_issuances
Which prefectural weather forecasts did JMA issue for an area between two times? Lists each archived issuance (JMA issue time, transmission time, our fetch time, scheduled/unscheduled/correction/cancellation, bulletin URL and SHA-256) with coverage gaps where JMA's feed could not be read. Free windo
get_receipt
Re-fetch the stored result of a settled paid call 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.

Website · JSON · Text for agents · Registry updated 2026-10-17