MCP 서버
Is This Site Down?
com.downforjustmeoreveryone/is-it-down
이 MCP로 할 수 있는 일
Checks public website availability, regional outages, uptime history, user reports, and TLS certificate expiry.
기능
도구
5
도구
check_certificate
TLS certificate expiry of a website
Reads the HTTPS certificate of a public domain and reports days until expiry, the expiry date and the issuer.
읽기 전용
외부 접근 가능
멱등성
입력 스키마
{'type': 'object', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'description': 'Domain to inspect, e.g. "example.com".'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', 'required': ['domain', 'daysRemaining', 'validTo', 'issuer', 'state'], 'properties': {'state': {'enum': ['valid', 'expiring soon', 'EXPIRED'], 'type': 'string'}, 'domain': {'type': 'string'}, 'issuer': {'type': ['string', 'null']}, 'validTo': {'type': 'string'}, 'daysRemaining': {'type': 'number', 'description': 'Negative once expired'}}}
check_site
Check whether a website is down
Live up/down check of any public website from an independent server (Singapore; Boston for sites that geo-block Singapore). Returns a one-sentence verdict plus status code, latency, resolved IP, redirect target, the view from the other region when available, and how many users reported problems in the last hour. Results are cached 30 s per domain.
읽기 전용
외부 접근 가능
멱등성
입력 스키마
{'type': 'object', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'description': 'Domain or URL to check, e.g. "github.com" or "https://www.reddit.com/r/all". Scheme, path, port and query are ignored; the host is checked as given.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', 'required': ['domain', 'up', 'state', 'status', 'latencyMs', 'checkedAt', 'reason', 'checkedFrom', 'regions', 'reportsLastHour', 'curated', 'statusUrl', 'url'], 'properties': {'ip': {'type': ['string', 'null']}, 'up': {'type': 'boolean'}, 'tls': {'type': ['object', 'null'], 'properties': {'issuer': {'type': ['string', 'null']}, 'validTo': {'type': 'string'}, 'daysRemaining': {'type': 'number'}}}, 'url': {'type': 'string'}, 'state': {'enum': ['up', 'slow', 'error', 'maintenance', 'down'], 'type': 'string'}, 'domain': {'type': 'string'}, 'reason': {'type': 'string'}, 'scheme': {'enum': ['https', 'http', None], 'type': ['string', 'null']}, 'server': {'type': ['string', 'null']}, 'status': {'type': ['integer', 'null']}, 'curated': {'type': 'boolean', 'description': 'true if the site is one of the monitored sites'}, 'regions': {'type': 'object', 'properties': {'sg': {'type': 'object', 'required': ['domain', 'up', 'state', 'status', 'latencyMs', 'checkedAt', 'reason'], 'properties': {'ip': {'type': ['string', 'null']}, 'up': {'type': 'boolean'}, 'tls': {'type': ['object', 'null'], 'properties': {'issuer': {'type': ['string', 'null']}, 'validTo': {'type': 'string'}, 'daysRemaining': {'type': 'number'}}}, 'state': {'enum': ['up', 'slow', 'error', 'maintenance', 'down'], 'type': 'string'}, 'domain': {'type': 'string'}, 'reason': {'type': 'string'}, 'scheme': {'enum': ['https', 'http', None], 'type': ['string', 'null']}, 'server': {'type': ['string', 'null']}, 'status': {'type': ['integer', 'null']}, 'finalUrl': {'type': ['string', 'null']}, 'checkedAt': {'type': 'string', 'description': 'ISO 8601'}, 'latencyMs': {'type': ['number', 'null']}, 'redirected': {'type': 'boolean'}}}, 'us': {'type': 'object', 'required': ['domain', 'up', 'state', 'status', 'latencyMs', 'checkedAt', 'reason'], 'properties': {'ip': {'type': ['string', 'null']}, 'up': {'type': 'boolean'}, 'tls': {'type': ['object', 'null'], 'properties': {'issuer': {'type': ['string', 'null']}, 'validTo': {'type': 'string'}, 'daysRemaining': {'type': 'number'}}}, 'state': {'enum': ['up', 'slow', 'error', 'maintenance', 'down'], 'type': 'string'}, 'domain': {'type': 'string'}, 'reason': {'type': 'string'}, 'scheme': {'enum': ['https', 'http', None], 'type': ['string', 'null']}, 'server': {'type': ['string', 'null']}, 'status': {'type': ['integer', 'null']}, 'finalUrl': {'type': ['string', 'null']}, 'checkedAt': {'type': 'string', 'description': 'ISO 8601'}, 'latencyMs': {'type': ['number', 'null']}, 'redirected': {'type': 'boolean'}}}}, 'description': 'Fresh result from each region that has one'}, 'finalUrl': {'type': ['string', 'null']}, 'checkedAt': {'type': 'string', 'description': 'ISO 8601'}, 'latencyMs': {'type': ['number', 'null']}, 'statusUrl': {'type': ['string', 'null']}, 'redirected': {'type': 'boolean'}, 'checkedFrom': {'enum': ['sg', 'us'], 'type': 'string', 'description': 'sg = Singapore, us = Boston'}, 'reportsLastHour': {'type': 'integer'}}}
list_monitored_sites
Sites with stored history
The 634 sites checked every 5 minutes, grouped in 17 categories. Without arguments returns the category list with counts; filter by category or a text query to get domains (at most 200 per call).
읽기 전용
멱등성
입력 스키마
{'type': 'object', 'properties': {'query': {'type': 'string', 'description': 'Case-insensitive substring of the domain or display name, e.g. "bank" or "google".'}, 'category': {'type': 'string', 'description': 'Category slug or name: social, streaming, ai, work, developer, shopping, finance, banks, gaming, telecom, government, education, messaging, news, travel, health, dating.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', 'required': ['total'], 'properties': {'query': {'type': ['string', 'null']}, 'sites': {'type': 'array', 'items': {'type': 'object', 'required': ['domain', 'name', 'category', 'url'], 'properties': {'url': {'type': 'string'}, 'name': {'type': 'string'}, 'domain': {'type': 'string'}, 'category': {'type': 'string'}, 'statusUrl': {'type': 'string'}, 'checkedFrom': {'enum': ['sg', 'us'], 'type': 'string', 'description': 'sg = Singapore, us = Boston'}}}}, 'total': {'type': 'integer'}, 'matched': {'type': 'integer'}, 'category': {'type': ['string', 'null']}, 'returned': {'type': 'integer'}, 'categories': {'type': 'array', 'items': {'type': 'object', 'required': ['slug', 'name', 'count', 'url'], 'properties': {'url': {'type': 'string'}, 'name': {'type': 'string'}, 'slug': {'type': 'string'}, 'count': {'type': 'integer'}}}}}, 'description': 'Without arguments: total + categories. With category or query: total, matched, returned, category, query, sites.'}
list_outages
Which monitored sites are down right now
Lists the monitored sites (634 across 17 categories) that are confirmed down right now: two consecutive failed checks from their home region and no other region seeing them up in the last 15 minutes. Optional category filter.
읽기 전용
멱등성
입력 스키마
{'type': 'object', 'properties': {'category': {'type': 'string', 'description': 'Optional category slug or name: social, streaming, ai, work, developer, shopping, finance, banks, gaming, telecom, government, education, messaging, news, travel, health, dating.'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', 'required': ['asOf', 'monitored', 'category', 'down'], 'properties': {'asOf': {'type': 'string'}, 'down': {'type': 'array', 'items': {'type': 'object', 'required': ['domain', 'name', 'category', 'url', 'since', 'downForMinutes'], 'properties': {'url': {'type': 'string'}, 'name': {'type': 'string'}, 'since': {'type': ['string', 'null']}, 'domain': {'type': 'string'}, 'category': {'type': 'string'}, 'statusUrl': {'type': 'string'}, 'checkedFrom': {'enum': ['sg', 'us'], 'type': 'string', 'description': 'sg = Singapore, us = Boston'}, 'downForMinutes': {'type': ['integer', 'null']}}}}, 'category': {'type': ['string', 'null']}, 'monitored': {'type': 'integer'}}}
site_history
Uptime and recent incidents of a monitored site
Uptime percentage over 24 h and over the requested window (up to 7 days), the list of outages in that window, when the site was last seen down, the current state and user-report counts. Only for monitored sites (see list_monitored_sites); use check_site for anything else.
읽기 전용
멱등성
입력 스키마
{'type': 'object', 'required': ['domain'], 'properties': {'days': {'type': 'integer', 'maximum': 7, 'minimum': 1, 'description': 'Window in days (1–7, default 7).'}, 'domain': {'type': 'string', 'description': 'A monitored domain, e.g. "github.com".'}}, 'additionalProperties': False}
출력 스키마
{'type': 'object', 'required': ['domain', 'name', 'category', 'checkedFrom', 'days', 'uptime24h', 'uptimeWindow', 'current', 'incidents', 'lastDown', 'reportsLastHour', 'reports24h', 'statusUrl', 'url'], 'properties': {'url': {'type': 'string'}, 'days': {'type': 'integer'}, 'name': {'type': 'string'}, 'domain': {'type': 'string'}, 'current': {'type': ['object', 'null'], 'required': ['domain', 'up', 'state', 'status', 'latencyMs', 'checkedAt', 'reason'], 'properties': {'ip': {'type': ['string', 'null']}, 'up': {'type': 'boolean'}, 'tls': {'type': ['object', 'null'], 'properties': {'issuer': {'type': ['string', 'null']}, 'validTo': {'type': 'string'}, 'daysRemaining': {'type': 'number'}}}, 'state': {'enum': ['up', 'slow', 'error', 'maintenance', 'down'], 'type': 'string'}, 'domain': {'type': 'string'}, 'reason': {'type': 'string'}, 'scheme': {'enum': ['https', 'http', None], 'type': ['string', 'null']}, 'server': {'type': ['string', 'null']}, 'status': {'type': ['integer', 'null']}, 'finalUrl': {'type': ['string', 'null']}, 'checkedAt': {'type': 'string', 'description': 'ISO 8601'}, 'latencyMs': {'type': ['number', 'null']}, 'redirected': {'type': 'boolean'}}}, 'category': {'type': 'string'}, 'lastDown': {'type': ['string', 'null']}, 'incidents': {'type': 'array', 'items': {'type': 'object', 'required': ['start', 'end', 'durationMinutes', 'ongoing'], 'properties': {'end': {'type': ['string', 'null']}, 'start': {'type': 'string'}, 'ongoing': {'type': 'boolean'}, 'durationMinutes': {'type': ['integer', 'null']}}}}, 'statusUrl': {'type': ['string', 'null']}, 'uptime24h': {'type': ['number', 'null'], 'description': 'Percent, null if no data yet'}, 'reports24h': {'type': 'integer'}, 'checkedFrom': {'enum': ['sg', 'us'], 'type': 'string', 'description': 'sg = Singapore, us = Boston'}, 'uptimeWindow': {'type': ['number', 'null'], 'description': 'Percent over `days`, null if no data yet'}, 'reportsLastHour': {'type': 'integer'}}}
기록
최근 도구 변경
추가됨
list_monitored_sites
2026년 9월 17일 12:34 PM
추가됨
check_certificate
2026년 9월 17일 12:34 PM
추가됨
site_history
2026년 9월 17일 12:34 PM
추가됨
list_outages
2026년 9월 17일 12:34 PM
추가됨
check_site
2026년 9월 17일 12:34 PM
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