MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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324 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Crontap

Manage scheduled requests, uptime monitors and heartbeats from your AI assistant.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
DNS Spy

DNS monitoring and domain security: live DNS, propagation, WHOIS/RDAP, SSL and look-alike domains.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Estiaje

Business-process monitoring and grouped errors in your AI: money at risk, deploys, order journeys.

OtherMonitoring & observability

Requires authNot measured4 / 22
ExpiryOwl

SSL certificate, domain expiry, DNS and uptime monitoring for web agencies, grouped by client.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Firmium

European company, sales and visitor intelligence: profiles, financials, prospecting, VAT, monitoring

OtherMonitoring & observability

Requires authNot measured4 / 22
Fixter

Monitoring for small teams. Logs, traces, metrics, live issue tracking, API/MCP uptime.

Data & AnalyticsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Guardr

Hosted MCP for website health monitoring. Tools: check_site, list_sites, get_site.

OtherMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Hotel Rate Monitoring API

Remote MCP server for hotel rate monitoring, parity checks, and pricing intelligence via Apify.

TravelMonitoring & observability

Requires authNot measured4 / 22
Innguma

Competitive intelligence and technology monitoring: alerts, sources and news.

MediaMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Instatus

Status pages, incidents, monitors, uptime, maintenance and on-call on Instatus.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
InternetSecure

Security grades, SSL/TLS, headers and uptime for your domains, plus a CI deploy gate.

OtherMonitoring & observability

Requires authNot measured4 / 22Not checked yet
KernelScan

Linux kernel CVE analyzer: upload a .config, get a CycloneDX VEX report of affecting CVEs.

SecurityMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Kevscope

CVE patch-priority API + MCP: CISA KEV, EPSS, CVSS, SSVC. Keys $19/mo; 200 free calls/day.

SecurityMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Kortex

Which x402 service actually works: uptime, valid 402, and settlements proven on-chain.

Finance & CryptoMonitoring & observability

Requires authNot measured4 / 22Not checked yet
LopeBase

SEO, Search Console, analytics, revenue, and uptime for every site you run, from LopeBase.

Data & AnalyticsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Malwagon

Submit files and URLs to a malware sandbox, poll scans, fetch reports, hashes and IOCs.

SecurityMonitoring & observability

Requires authNot measured4 / 22Not checked yet
Mengi Cloud

Manage Kubernetes clusters, deployments, databases, secrets and observability on Mengi Cloud.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
metzia

Compare managed Postgres, auth, monitoring, and hosting, then purchase without leaving the session.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
mttrly

AI-powered incident management and server monitoring via MCP.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Notifario

Website and server uptime monitoring from Russia and Europe: monitors, incidents, SSL, DNS.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22
Oh Dear

Website monitoring: uptime, SSL certificates, broken links, DNS, cron jobs and status pages.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Okareo

Simulation, evaluation and monitoring for voice agents.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22
Okokumo

Uptime, cron/heartbeat, TLS and domain expiry monitoring, EU-hosted. Same access as the REST API.

OtherMonitoring & observability

Requires authOutdated checkNot measured4 / 22
OpsTether — Linux Server Management

Linux server administration over OAuth MCP: shell, Docker, systemd, files and monitoring.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence