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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18448 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
Nexus AI News

Deduplicated, classified AI industry news: search, browse, and filter by vertical and event type.

Developer ToolsCode & DevOps

Outdated check980 ms15 / 22
uk.co.commercialepccost/site

Commercial EPC Cost: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

Developer ToolsCode & DevOps

Responded981 ms15 / 22
Bloom Study Guides

Turn AI learning chats into illustrated study guides, and search guides already on Bloom.

Developer ToolsCode & DevOps

Outdated check981 ms15 / 22
amCharts 5

On-demand access to amCharts 5 docs, code examples, and API reference

Developer ToolsCode & DevOps

Outdated check981 ms15 / 22
Vigía

What breaks between versions, vulnerabilities, compatible versions, EOL dates: npm, PyPI, Rust, PHP.

Developer ToolsCode & DevOps

Responded982 ms15 / 22
io.github.pooriaarab/privatewellnessrooms

Find home sauna, steam room and cold plunge installers.

Developer ToolsCode & DevOps

Responded982 ms15 / 22
GAIP Listing Observer

Behind Second Look (preview): a shop's product page as clean data, source checks, price history.

Developer ToolsCode & DevOps

Responded982 ms15 / 22
io.github.cyanheads/first-epss-mcp-server

Look up FIRST EPSS scores and daily history, find CVEs by threshold, and prioritize them with CVSS.

Developer ToolsData access / search

Responded984 ms15 / 22
BorealHost

Agent-native web hosting — deploy sites, manage DNS, register domains, scale infrastructure

Developer ToolsCode & DevOps

Responded986 ms15 / 22
uk.co.concretepumpinghire/site

Concrete Pumping Hire: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

Developer ToolsCode & DevOps

Responded989 ms15 / 22
HesapNokta

Türkiye'ye özgü maaş, tazminat, vergi, kira, askerlik, YKS/LGS ve tarih hesaplayıcıları.

Developer ToolsCode & DevOps

Responded991 ms15 / 22
UnRemind.me Submit

Send a reminder to anyone with a public UnRemind.me page. No account or token.

Developer ToolsCode & DevOps

Outdated check993 ms15 / 22
com.sredclaimcalculator/site

SR&ED Claim Calculator: the site's own MCP server — calculator, enquiry (enquiry = a human...

Developer ToolsCode & DevOps

Responded995 ms15 / 22
com.makehybrid/mcp

LinkedIn, the messaging channels and the work trackers of a MakeHybrid account, as tools.

Developer ToolsCommunication & messaging

Responded999 ms15 / 22
io.github.cyanheads/pubchem-mcp-server

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

Developer ToolsCode & DevOps

Responded1008 ms15 / 22
ADEXTO

Launch, buy, stake and claim on bonding-curve token markets across five chains, with your own key.

Developer ToolsCode & DevOps

Responded1008 ms15 / 22
Spree Commerce developer docs for AI agents

Spree Commerce docs for AI coding agents: build headless B2B and marketplace ecommerce on its APIs.

Developer ToolsBrowser & web scraping

Outdated check1009 ms15 / 22
Smarter Weather

Smarter Weather MCP: forecasts, alerts, outlooks, observations, AQI, grids, and map imagery.

Developer ToolsCommunication & messaging

Outdated check1010 ms15 / 22
io.github.cyanheads/ioda-outages-mcp-server

Investigate Internet outages with IODA events, alerts, and connectivity signals via MCP.

Developer ToolsCode & DevOps

Responded1021 ms15 / 22
GAIP Procurement Evidence Agent

Now part of GAIP Witness: tests supplier claims and compares them with published metadata.

Developer ToolsCode & DevOps

Responded1021 ms15 / 22
Responded1022 ms15 / 22
Prediction Market X Sentiment

Polymarket & Kalshi sentiment from X (Twitter) via Grok. Free daily scores; live scoring via x402.

Developer ToolsCode & DevOps

Responded1022 ms15 / 22
io.github.cyanheads/noaa-marine-mcp-server

Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.

Developer ToolsCode & DevOps

Responded1026 ms15 / 22
io.github.cyanheads/onebusaway-mcp-server

Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.

Developer ToolsCode & DevOps

Responded1029 ms15 / 22

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