RoamTime Japan Foliage Forecast
Description
Forecast peak autumn-foliage dates for viewing spots across Japan. Free tier, no key.
What our measurements say
RoamTime Japan Foliage Forecast is a remote MCP server published at api.roamtime.ai. It has been probed 8 times since 9/12/2026. It answered in 8 of them (100.0%), a near-uninterrupted record. Median response time is 840 ms, a delay an agent will notice. It offers a narrow, focused set of 4 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names are descriptive and indicate their primary purpose.
- Tools have distinct functions (coverage check, search, peak finding, detailed fetch).
Weaknesses
- Some tool descriptions are incomplete or truncated (e.g., get_coverage).
- Parameter descriptions are missing for some tools (e.g., 'status' in find_peak_spots).
- No explicit error handling or constraint documentation in tool descriptions.
get_coverage— Description is cut off mid-sentence, making purpose unclear.find_peak_spots— Parameter descriptions missing for 'status' and 'limit'.search— No mention of required 'query' parameter in description.
Verdict
Event narrative
Risk: low
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 40ms → warm 40ms (penalty 0ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
get_coverageDescribe what the RoamTime Japan autumn-foliage (koyo) forecast covers: forecast year and issue date, season span, regions and prefectures, spot count, and the access tier (free tier or full dataset). Call this first to orient yourself, to check whether a place or date is in scope, and to learn the as_of date to cite. Takes no arguments. Example prompts: 'What does the RoamTime foliage forecast cover?', 'Is Hokkaido included?'
find_peak_spotsFind Japan autumn-foliage viewing spots whose forecast best-viewing window covers a date or date range, optionally near a place. Use it for 'where should I go on <date>?', 'when does <place> peak?', and 'is <spot> still at peak on <date>?' questions. Give a date (or date_from/date_to) plus optionally a location: near (city or prefecture name, e.g. 'Kyoto') or lat/lon, with radius_km; or restrict by region or prefecture. Returns each spot's forecast peak window (start–end), confidence in days, nearest rail station, leaf type, and a page URL, sorted by prominence then proximity. Example prompts: 'Which foliage spots near Kyoto peak on 20 November?', 'Best koyo in Tohoku the first week of November', 'Is Nikko past peak by 1 December?'. Example call: {date: '2026-11-20', near: 'Kyoto', radius_
datestringdate_fromstringdate_tostringnearstringlatnumberlonnumberradius_kmnumberregionstringprefecturestringstatusstringlimitnumber
searchSearch Japan autumn-foliage viewing spots by free text: a spot name (English or Japanese), a prefecture, a region, or a month such as 'November'. Returns matching spot ids, titles, and page URLs; pass an id to fetch for the full forecast. Example queries: 'Kyoto', 'Nikko', '奥入瀬', 'Tohoku November'.
querystringrequired
fetchFetch the full forecast document for one foliage spot by id (the slug returned by search or find_peak_spots, e.g. 'tenryuji-temple'): peak window, confidence, status, nearest rail station, leaf type, and page URL.
idstringrequired
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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