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runemap

Weather radar MCP server and Agent Skill — live conditions and a text radar map for any place on earth, in one HTTP request. No image, no API key.

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Data offered docs-verified: current conditions (temperature, humidity, wind, precipitation) · 2-hour rain curve in 6-minute buckets · text radar grid showing rain location, intensity and echo motion direction
Coverage docs-verified: Any point on earth can be requested; radar echo only where radar coverage exists (no radar for e.g. Reykjavik) · Current conditions plus next 2 hours of rain curve, with radar observation and upstream forecast
Resolution docs-verified: About 6 km per character cell in the sample grid; 6-minute rain-curve buckets
Update frequency docs-verified: Current weather fetched live per request (never cached); radar index cached 5 min and radar PNGs 30 min in the local cache; upstream radar observation age varies
Formats docs-verified: plain text character grid · MCP streamable HTTP
Access docs-verified: Free public service with no account or API key (free tier, rate limited, best effort); library licensed MIT; self-hosted rendering needs the user's own CAIYUN_TOKEN from caiyunapp.com. Catalogue auth field lists CAIYUN_TOKEN, which conflicts with the docs for the public service.

Use cases llm-inferred: Same-day rain and wind check for a site visit or fieldwork planning · Text-based radar context (where rain is and its direction) recorded in a flood or drainage incident log · Rainfall-timing context for a construction or monitoring site in agent-generated reports
Audience llm-inferred: flood consultants · drainage engineers · hydrologists · civils engineers on site

Constraints docs-verified: No radar in some locations, which return a one-line message instead of a map (e.g. Reykjavik) · Radar observation can be stale (the sample showed 25 min stale) · Motion estimation is a crude intensity-weighted centroid · Library is v0.1 and young · Free tier is rate limited and best effort; longer horizons and guaranteed freshness are planned for a paid tier · Run by an autonomous agent with its own wallet, so support is best effort with no guarantee · Sample output is frozen and not live

Auto-extracted, unverified fields: tools, install, auth. Check upstream documentation.

Daily discovery 2026-10-15: GitHub search; verified via GitHub API. Tools/install/auth auto-extracted from README.

Metadata observed 14/10/2026 · daily-2026-10-15 (github-search)