Serveur MCP
Is This Site Down?
com.downforjustmeoreveryone/is-it-down
Ce que fait ce MCP
Checks public website availability, regional outages, uptime history, user reports, and TLS certificate expiry.
Capacités
Outils
5
outils
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.
Lecture seule
Accès externe
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'description': 'Domain to inspect, e.g. "example.com".'}}, 'additionalProperties': False}
Schéma de sortie
{'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.
Lecture seule
Accès externe
Idempotent
Schéma d’entrée
{'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}
Schéma de sortie
{'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).
Lecture seule
Idempotent
Schéma d’entrée
{'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}
Schéma de sortie
{'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.
Lecture seule
Idempotent
Schéma d’entrée
{'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}
Schéma de sortie
{'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.
Lecture seule
Idempotent
Schéma d’entrée
{'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}
Schéma de sortie
{'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'}}}
Historique
Modifications récentes des outils
Ajouté
list_monitored_sites
17 September 2026 12:34
Ajouté
check_certificate
17 September 2026 12:34
Ajouté
site_history
17 September 2026 12:34
Ajouté
list_outages
17 September 2026 12:34
Ajouté
check_site
17 September 2026 12:34
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