MCP server

Japan Weather Forecast Archive (JMA, as issued)

io.github.mk-career-planning/jp-forecast-archive

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

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

Working at last checkAbout 958 tokens per request once connected4 tools

Website

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

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 958 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 jp-forecast-archive https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.jp-forecast-archive]
url = "https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"jp-forecast-archive":{"type":"http","url":"https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp"}}}

Antigravity

agy mcp add jp-forecast-archive https://jp-forecast-archive-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":"jp-forecast-archive","server_url":"https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"jp-forecast-archive","server_url":"https://jp-forecast-archive-production.mk-career-planning.workers.dev/mcp"}

Tools

forecast_as_issued ~352 tokens
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 ~382 tokens
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

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