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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437 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
Constat MCP — FDA Device Evidence Lifecycle

FDA and CMS evidence for AI medical devices: 510(k), postmarket, reimbursement, and compliance.

HealthcareData access / search

Outdated checkNot measured4 / 22
EchoLedger

Live LP analytics — Uniswap V2/V3, Balancer, Curve stableswap: PnL, health, slippage, depeg risk.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
FlareSignal Intelligence

Flare and Songbird intelligence with provenance, source health, MCP access and x402 readiness.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
HiveConsciousness

System self-awareness, health monitoring, and autonomous self-repair

Developer ToolsMonitoring & observability

Outdated checkNot measured4 / 22
HivePulse

Real-time health monitoring and heartbeat tracking for agent services

Developer ToolsMonitoring & observability

Outdated checkNot measured4 / 22
Jarvis Uptime Marketplace

API uptime monitor, health check, downtime alerts, webhook alerts. x402 USDC.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Jarvis Uptime Marketplace

API uptime monitor, health check, downtime alerts, webhook alerts. x402 USDC.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Medical RAG MCP - Semantic search and retrieval of high-quality clinical medical data

Medical RAG: semantic search for clinical guidelines, drug interactions, diagnoses & EHR data.

HealthcareCode & DevOps

Outdated checkNot measured4 / 22
OSVcalc

Czech OSVČ tax calculator: income tax, social and health insurance, VAT, paušální daň.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
PeptideLab Calculator

Research-use peptide reconstitution & dosing calculators for 15 compounds. Not medical advice.

HealthcareData access / search

Outdated checkNot measured4 / 22
preflight402

Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Public Health

NIH clinical trials and FDA adverse event reports. 4 MCP tools for health research.

HealthcareCode & DevOps

Outdated checkNot measured4 / 22
Vitalli

Your own health records from Vora, Still, Stackwell and Joiva in your AI assistant (OAuth).

OtherOther

Requires authNot measured4 / 22
app.causely/causely

Causal reasoning for reliability: root cause, blast radius, and service health for agents.

OtherOther

Requires authNot measured4 / 22
co.getlasso/mcp

Weekly health (H3), find OOS (H1), Aff+ upgrades without stomping owned hops (H8).

OtherOther

Requires authNot measured4 / 22Not checked yet
com.medplum/mcp

Securely access and manage FHIR healthcare data stored in Medplum.

HealthcareData access / search

Requires authOutdated checkNot measured4 / 22
com.munispot/municipal-data

Financial data, fiscal health scores, and economic indicators for 20,000+ U.S. municipalities.

GovernmentData access / search

Requires authNot measured4 / 22Not checked yet
com.publicsignaldata/actors

Polymarket whales & odds, hiring signals, LLC filings, GovCon recompetes, clinical trials on Apify

HealthcareData access / search

Requires authNot measured4 / 22Not checked yet
com.titratelab/evidence

Find lab-report identities and clinical research with dated sources and evidence limitations.

HealthcareData access / search

Requires authOutdated checkNot measured4 / 22
in.mednode/mednode

Your MedNode health vault in your AI assistant — records, summaries, labs, appointments.

OtherOther

Requires authOutdated checkNot measured4 / 22
io.github.dame-senders/senders-mcp

Cold email infrastructure — campaigns, prospects, mailbox health and replies via Claude.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
no.sladd/mcp

Detect and redact Norwegian PII (fodselsnummer, names, health data) in text and PDFs.

OtherOther

Requires authNot measured4 / 22Not checked yet
uk.slate-hq/slate

Your own SLATE health data in your AI assistant: read, trend, plan and log. Never suggests a dose.

OtherOther

Requires authOutdated checkNot measured4 / 22
AdmitBase Admissions

Admissions data & match scores for law, medical, dental, MBA, pharmacy, vet, optometry schools

HealthcareData access / search

Requires authNot measured4 / 22Not checked yet

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