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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1516 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
Ansvar: French Law

French law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: German Law

German law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: Italian Law

Italian law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: Polish Law

Polish law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: Spanish Law

Spanish law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: Swedish Law

Swedish law + work env. via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Ansvar: Threat Intelligence

CVE intelligence, STRIDE, OWASP test cases via Ansvar Gateway. Cited, OAuth + paid.

SecurityMonitoring & observability

Requires authOutdated checkNot measured5 / 22
Ansvar: US Law

US federal + state law via Ansvar Gateway. Cited, OAuth + paid tier.

GovernmentData access / search

Requires authOutdated checkNot measured5 / 22
Anwani

Anwani MCP: create and manage permanent 9-digit address codes through OAuth (9code.app).

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
APICK Identity

Korean ID document verification and PII masking APIs

OtherFile & docs

Requires authNot measured5 / 22Not checked yet
Apiiro Guardian Agent

Apiiro Application Security Posture Management (ASPM) tools for AI coding assistants.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Arrumou Neural

Manage vacation rentals, bookings, calendars and operations with OAuth and action approvals.

TravelCode & DevOps

Requires authOutdated checkNot measured5 / 22
AurasPay Merchant MCP

Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Automo Build

Operate Automo Build, the AI app builder, as yourself: projects, builds, QA, security, deployments.

OtherOther

Requires authOutdated checkNot measured5 / 22
B2B Compliance, KYB, Cyber & GovCon Suite (31 Tools)

31 stateless B2B tools for KYB, OFAC sanctions, SEC EDGAR, CISA CVEs, FDA, tenders & tax audits.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Basedash

Governed BI MCP. Ask questions of live company data and list workspace sources via OAuth.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Bewary: scam, phishing and fraud detection

Threat intelligence for AI agents: checks URLs, domains, phones, emails, wallets and IBANs for scams

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
BoomTax

Read-only BoomTax tools for filings, forms, payers, and e-file status through OAuth.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
BORME API

Spain's company registry gazette (BORME): more than 9.6 million events since 2009. API key or OAuth.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Bounty Operator

Argues against a security finding or a draft bug bounty report before you submit it.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Requires authNot measured5 / 22Not checked yet
Calendesk

Manage Calendesk bookings, customers, employees and services from AI assistants. OAuth sign-in.

OtherOther

Requires authOutdated checkNot measured5 / 22
CallerKit

Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.

ProductivityData access / search

Requires authOutdated checkNot measured5 / 22
Catalyst Governance

Governance middleware for AI agents: permission gates, approvals, compliance scanning, audit ledger.

Finance & CryptoCode & DevOps

Requires authNot measured5 / 22Not checked yet

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