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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1499 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
MarketPilot

Korean SMB marketing: browse, pay by card link, track orders. No login to start; OAuth to link.

Marketing & SalesData access / search

Outdated check1011 ms13 / 22
NetActuate

Current data on NetActuate's data centers, compliance, products, marketplace apps and docs.

OtherOther

Outdated check1020 ms13 / 22
HanoLab Voice Conversion

Convert uploaded speech or singing with your saved HanoLab voices, using OAuth and credit quotes.

Developer ToolsCode & DevOps

Outdated check1025 ms13 / 22
Kaneme — Your writing identity, measured and portable

Build a voice from your own texts, measure whether a text still sounds like you, then write in it.

OtherOther

Outdated check1039 ms13 / 22
Wikidata + Google Knowledge Graph MCP

Read-only Wikidata tools and identity evidence. Local optional Google KG; bounded public remote.

Developer ToolsCode & DevOps

Outdated check1057 ms13 / 22
RealMarket Site Check

Passive checks of a public website: email authentication (SPF, DKIM, DMARC) and basic security.

ProductivityCommunication & messaging

Outdated check1090 ms13 / 22
Open Entity

Adopt, read, verify and record an Open Entity identity (OEIS-1). No auth, no CAPTCHA.

OtherOther

Responded1160 ms13 / 22
Security Recipes

Read-only CVE intelligence, remediation playbooks, and agent setup guides. Not a scanner.

Developer ToolsCode & DevOps

Responded1320 ms13 / 22
Netbrain Integrated Solutions catalogue

Read-only catalogue search: JVM tooling, ML models, compliance APIs, siSwati LLM, Veridix markets.

Developer ToolsData access / search

Outdated check1531 ms13 / 22
ContinueOps Public MCP

BC/DR & compliance tools: DORA, NIS2, NIST CSF, GDPR, SOC 2, CMMC, CAF, ISO 27001, FCA/PRA.

SecurityMonitoring & observability

Outdated check1598 ms13 / 22
SimplyScan

Security, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP.

Marketing & SalesData access / search

Outdated check1664 ms13 / 22
RedBison

500+ free tools over MCP: dev, text and security utilities, 230+ calculators. No sign-up.

Developer ToolsCode & DevOps

Outdated check1741 ms13 / 22
PerfuMate

Perfumery materials, IFRA Category 4, EU allergens, and your formulas and shelf via OAuth.

OtherOther

Responded2165 ms13 / 22
fi.northpoint/marketing-compliance

Crypto marketing compliance: MiCA, FCA, GDPR, SEC, MAS, VARA rules with citations. Not legal advice.

LegalKnowledge & memory

Responded211 ms13 / 22
SAID Protocol

Check a Solana wallet before you pay it, a token before you buy it. Agent identity and reputation.

Finance & CryptoPayments & trading

Responded530 ms13 / 22
Atomadic starter MCP (50 tools)

50 starter MCP tools for AI compliance and trust: identity, escrow, SLA, EU AI Act.

Developer ToolsCode & DevOps

Outdated check61 ms13 / 22
io.github.geekmarine/mcp-domain-auditor

DNS resolution, HTTP security headers, and SPF/DMARC email hygiene audits.

Developer ToolsCommunication & messaging

Outdated check62 ms13 / 22
Nc Medical Exclusions

NC Medicaid (Division of Health Benefits, Office of Compliance and Program Integrity) State…

HealthcareCode & DevOps

Outdated check78 ms13 / 22
Linear

Linear MCP — wraps the Linear GraphQL API (OAuth)

Developer ToolsCode & DevOps

Outdated check96 ms13 / 22
Zendesk

Zendesk MCP Pack — tickets, users, organizations via OAuth.

Developer ToolsCode & DevOps

Outdated check98 ms13 / 22
Mozilla Observatory

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from…

Developer ToolsCode & DevOps

Outdated check98 ms13 / 22
Nvd

NVD MCP — wraps the NIST National Vulnerability Database API.…

Developer ToolsDatabase

Outdated check101 ms13 / 22
Outdated check106 ms13 / 22
Tn Dmv

Tennessee DMV MCP — Department of Safety and Homeland Security: the 186 driver service centers…

Developer ToolsCode & DevOps

Outdated check108 ms13 / 22

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