{"name":"io.github.cyanheads/aviation-weather-mcp-server","slug":"cyanheads-aviation-weather-mcp-server","title":null,"description":"Fetch METARs, TAFs, PIREPs, and domestic SIGMETs from the NWS Aviation Weather Center.","url":"https://mcp.market/server/cyanheads-aviation-weather-mcp-server","rating":null,"grade":"A","score":93,"certified":false,"status":"active","category":"maps","tags":["maps"],"presence":{"score":36,"stars":2,"forks":0,"downloads_week":226,"last_push_at":"2026-09-19T18:46:31.000Z","license":"Apache-2.0"},"uptime":{"percent":100,"checks":1,"ok":1,"last_checked_at":"2026-09-19T17:26:17.501Z","last_ok_at":"2026-09-19T17:26:17.501Z","latency_ms":854},"claimed":false,"transport":"mixed","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/cyanheads/aviation-weather-mcp-server","website":null,"version":"0.4.7","remotes":[{"type":"streamable-http","url":"https://aviation-weather.caseyjhand.com/mcp"}],"packages":[{"registryType":"npm","registryBaseUrl":"https://registry.npmjs.org","identifier":"@cyanheads/aviation-weather-mcp-server","version":"0.4.7","runtimeHint":"bun","transport":{"type":"stdio"},"packageArguments":[{"value":"run","type":"positional"},{"value":"start:stdio","type":"positional"}],"environmentVariables":[{"description":"Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').","format":"string","default":"info","name":"MCP_LOG_LEVEL"},{"description":"Base URL for the AWC Data API. 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Use bbox or state to discover identifiers by location.","minItems":1,"maxItems":20,"type":"array","items":{"type":"string","pattern":"\\S","description":"One station identifier (e.g., KSEA)."}},"bbox":{"type":"object","properties":{"minLat":{"type":"number","minimum":-90,"maximum":90,"description":"Southern boundary latitude in decimal degrees."},"minLon":{"type":"number","minimum":-180,"maximum":180,"description":"Western boundary longitude in decimal degrees."},"maxLat":{"type":"number","minimum":-90,"maximum":90,"description":"Northern boundary latitude in decimal degrees."},"maxLon":{"type":"number","minimum":-180,"maximum":180,"description":"Eastern boundary longitude in decimal degrees."}},"required":["minLat","minLon","maxLat","maxLon"],"description":"Geographic bounding box for spatial queries."},"state":{"description":"Two-letter USPS code for one of the 50 US states or DC (e.g., \"WA\") to list all stations in that jurisdiction. US territories are not supported — use bbox for those.","type":"string","minLength":2,"maxLength":2},"limit":{"description":"Maximum stations to return, applied after ordering by ICAO identifier ascending with identifier-less stations last — so the same query with the same limit returns the same stations, and airports rather than unidentified sites lead the first page. It bounds the response without changing the area searched, which a smaller bbox or a different state would. Distinct from the 400-row upstream cap: a limited result examined every station it counted and withheld some, while a capped one never drew the rest. Belongs to the bbox and state modes; supplying it alongside station_ids is rejected, since that mode already names the set. Omit to return every match. Optional.","type":"integer","minimum":1,"maximum":400}},"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false}},{"name":"aviation_get_advisories","description":"Get active domestic SIGMETs for a region. Returns each advisory with hazard type (CONVECTIVE, TURBULENCE, ICING, IFR), severity, altitude range, valid period, polygon coordinates, and raw text. Coverage is US-centric (NWS Aviation Weather Center). This tool reads the domestic SIGMET feed only and cannot return an AIRMET; requests for one are rejected rather than answered with SIGMETs. During fair-weather periods no advisories may be active — an empty result is normal, not an error. Filter by advisory_type, hazard, or bbox.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"advisory_type":{"default":"all","description":"Filter by advisory type. \"sigmet\" and \"all\" both return the active domestic SIGMET set, which is everything this tool serves. \"airmet\" is rejected with guidance: the upstream feed cannot return an AIRMET, so answering it would mean presenting SIGMETs as AIRMET matches.","type":"string","enum":["sigmet","airmet","all"]},"hazard":{"description":"Optional hazard filter, applied upstream by AWC. CONVECTIVE, TURBULENCE, ICING, and IFR are the four hazard classes the domestic SIGMET feed carries, and an empty result under one of them means no advisory of that class is active — it says nothing about the others. MTN OBSCN, SURFACE WIND, and LLWS are AIRMET-family phenomena with no upstream counterpart here and are rejected rather than returning an empty result.","type":"string","enum":["CONVECTIVE","TURBULENCE","ICING","IFR","MTN OBSCN","SURFACE WIND","LLWS"]},"bbox":{"type":"object","properties":{"minLat":{"type":"number","minimum":-90,"maximum":90,"description":"Southern boundary latitude in decimal degrees."},"minLon":{"type":"number","minimum":-180,"maximum":180,"description":"Western boundary longitude in decimal degrees."},"maxLat":{"type":"number","minimum":-90,"maximum":90,"description":"Northern boundary latitude in decimal degrees."},"maxLon":{"type":"number","minimum":-180,"maximum":180,"description":"Eastern boundary longitude in decimal degrees."}},"required":["minLat","minLon","maxLat","maxLon"],"description":"Geographic bounding box to filter advisories by polygon overlap."}},"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false}},{"name":"aviation_get_metar","description":"Get current weather observations (METARs) for one or more airports. Returns decoded fields — wind direction/speed/gusts, visibility, ceiling with its kind (measured, or indefinite for vertical visibility into an obscuration), present weather, temperature, dewpoint, altimeter, cloud layers — plus the computed flight category (VFR/MVFR/IFR/LIFR) and the raw METAR string. Accepts 1–10 ICAO station IDs (e.g., KSEA, KJFK). Use aviation_find_stations to resolve or verify an ICAO ID, or to discover nearby stations.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"station_ids":{"minItems":1,"maxItems":10,"type":"array","items":{"type":"string","pattern":"^[A-Z]{4}$","description":"4-letter ICAO station ID (e.g., KSEA, KJFK)."},"description":"ICAO station IDs to query. 1–10 stations per call."},"hours":{"default":1,"description":"Lookback window in hours (1–12), not a row limit: every observation inside the window is returned, so a station reporting more often than hourly yields more than one row per hour. At the default of 1, half-hourly stations return two observations and SPECI-issuing stations can return more. Budget rows by the station reporting interval, never one per station.","type":"integer","minimum":1,"maximum":12}},"required":["station_ids"],"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false}},{"name":"aviation_get_pireps","description":"Get recent Pilot Reports (PIREPs) near an airport or within a bounding box. Returns decoded turbulence, icing, and cloud reports with altitude, aircraft type, intensity, and the raw PIREP string. Requires either station_id (ICAO center point for radial search, e.g., KSEA) or bbox (area search) — not both. distance_nm belongs to the station_id search only, and altitude_min_ft must not exceed altitude_max_ft. min_intensity restricts the result to reports carrying a turbulence or icing layer at that intensity or above. limit bounds how many reports come back without changing what is searched, keeping the most recent. Coverage is US-centric; PIREPs are sparse and absence of reports does not imply smooth conditions.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"station_id":{"description":"ICAO station ID as center point for radial search (e.g., KSEA). Use with distance_nm.","type":"string","pattern":"^[A-Z]{4}$"},"bbox":{"type":"object","properties":{"minLat":{"type":"number","minimum":-90,"maximum":90,"description":"Southern boundary latitude in decimal degrees."},"minLon":{"type":"number","minimum":-180,"maximum":180,"description":"Western boundary longitude in decimal degrees."},"maxLat":{"type":"number","minimum":-90,"maximum":90,"description":"Northern boundary latitude in decimal degrees."},"maxLon":{"type":"number","minimum":-180,"maximum":180,"description":"Eastern boundary longitude in decimal degrees."}},"required":["minLat","minLon","maxLat","maxLon"],"description":"Geographic bounding box for area PIREP search."},"distance_nm":{"description":"Search radius in nautical miles around station_id, defaulting to 100 when omitted. Belongs to the station_id search only — supplying it alongside bbox is rejected.","type":"integer","minimum":10,"maximum":500},"hours":{"default":3,"description":"How many hours of history to return. 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Optional.","type":"string","enum":["lgt","mod","sev"]},"limit":{"description":"Maximum reports to return, applied last — after every filter and after ordering by observation time descending, so a limited result is the most recent reports rather than an arbitrary slice. It bounds the response without changing what is searched, which every other parameter does. Distinct from the 400-row upstream cap: a limited result examined every report it counted and withheld some, while a capped one never drew the rest. Selection is by recency alone, so pair it with min_intensity to bound a result by severity. Omit to return every match. Optional.","type":"integer","minimum":1,"maximum":400}},"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false}},{"name":"aviation_get_taf","description":"Get the Terminal Aerodrome Forecast (TAF) for one or more airports. Returns each forecast period with valid times, surface wind, low-level wind shear, visibility, decoded weather conditions, cloud layers, and the vertical visibility into a forecast obscuration, plus the raw TAF string. TAFs cover the next 24–30 hours and are issued only for airports with scheduled commercial service; check data_types from aviation_find_stations to confirm TAF availability. Accepts 1–4 ICAO station IDs (e.g., KSEA, KJFK).","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"station_ids":{"minItems":1,"maxItems":4,"type":"array","items":{"type":"string","pattern":"^[A-Z]{4}$","description":"4-letter ICAO station ID (e.g., KSEA, KJFK)."},"description":"ICAO station IDs to query. 1–4 stations per call."}},"required":["station_ids"],"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false}}],"scan":{"score":93,"grade":"A","scanned_at":"2026-09-19T18:55:50.941Z","report":{"scannerVersion":"0.1.4","scannedAt":"2026-09-19T18:55:50.892Z","components":{"code":{"score":25,"max":25,"notes":["32 source files scanned","32 source files scanned"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 1071ms"]},"poisoning":{"score":15,"max":15,"notes":["5 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":15,"max":15,"notes":["last push 0 days ago"]},"identity":{"score":8,"max":10,"notes":["registry namespace matches repository owner","GitHub account older than a year"]}},"findings":[],"inputs":{"probes":[{"url":"https://aviation-weather.caseyjhand.com/mcp","reachable":true,"authRequired":false,"latencyMs":1071,"serverInfo":{"name":"aviation-weather-mcp-server","version":"0.4.7"}}],"packages":[{"registryType":"npm","identifier":"@cyanheads/aviation-weather-mcp-server","version":"0.4.7","found":true,"license":"Apache-2.0","hasInstallScripts":false,"dependencyCount":3,"publishedAt":"2026-09-19T18:47:54.947Z","repositoryUrl":"git+https://github.com/cyanheads/aviation-weather-mcp-server.git","weeklyDownloads":113},{"registryType":"npm","identifier":"@cyanheads/aviation-weather-mcp-server","version":"0.4.7","found":true,"license":"Apache-2.0","hasInstallScripts":false,"dependencyCount":3,"publishedAt":"2026-09-19T18:47:54.947Z","repositoryUrl":"git+https://github.com/cyanheads/aviation-weather-mcp-server.git","weeklyDownloads":113}],"repo":{"found":true,"owner":"cyanheads","repo":"aviation-weather-mcp-server","archived":false,"pushedAt":"2026-09-19T18:46:31Z","stars":2,"forks":0,"openIssues":11,"ownerType":"User","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/10339515?v=4","ownerCreatedAt":"2014-12-29T13:01:12Z","license":"Apache-2.0"},"icon":{"url":"https://avatars.githubusercontent.com/u/10339515?v=4&s=128","source":"github"},"presence":{"stars":2,"forks":0,"downloadsWeek":226,"license":"Apache-2.0","lastPushAt":"2026-09-19T18:46:31.000Z","score":36}}}},"grade_history":[],"reviews":[]}