MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

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Remote MCP servers

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18357 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
nidhipati — proof of spend for AI agents

Proof-of-spend and reserve checks for AI agents: receipts, spend audit, NAV, reconciliation.

Developer ToolsCode & DevOps

Outdated check3379 ms15 / 22
io.github.wygogogo19/robotbase-content

Agent MCP: 35 tools — social hot lists, attention trends, 80k+ books, 17 web tools.

Developer ToolsCode & DevOps

Responded3740 ms15 / 22
Redocly

Search and read the Redocly product docs, guides and blog on redocly.com, and report a wrong page.

Developer ToolsData access / search

Outdated check3906 ms15 / 22
TamingDNS

Check SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT, BIMI, DANE, DNSSEC and TXT; read headers and bounces.

Developer ToolsCode & DevOps

Outdated check6094 ms15 / 22
ChangeThisFile

1,000+ conversion routes plus translate, extract tables, compress. 25 free/month, then a free key.

Developer ToolsCode & DevOps

Outdated check6341 ms15 / 22
AgentBreakWatch

Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.

Developer ToolsCode & DevOps

Outdated check6587 ms15 / 22
DeltaSignal ATLAS-7

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Developer ToolsCode & DevOps

Outdated check6713 ms15 / 22
Aziel Runtime

Governed MCP: agent audit, provenance, deterministic checks, and receipt-backed FragGate execution.

Developer ToolsCode & DevOps

Outdated check6953 ms15 / 22
Sense2 Promotional Products

29 read-only tools: search 4,000+ Australian promotional products, live pricing, quotes, edits.

Developer ToolsCode & DevOps

Outdated check7629 ms15 / 22
Pipeworx

Live data gateway for AI — 3,300+ tools across 750+ sources, with citations

Developer ToolsCode & DevOps

Responded62 ms15 / 22
Sec Nport

SEC Form N-PORT — fund and ETF holdings, asked security-first.

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Shodan

Shodan MCP — wraps the full Shodan REST API (api.shodan.io)

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Perilpulse

PerilPulse MCP — per-property multi-peril risk scores (perilpulse.com)

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Openpowerlifting

openpowerlifting -- powerlifting competition results from the OpenPowerlifting project's…

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Ny Omig Exclusions

New York State OMIG Medicaid provider exclusion screening — fleet #2788.

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Mn Drug Price Transparency

Minnesota manufacturer drug price-growth and new-drug-launch disclosures — the Minnesota half of…

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Nationalize

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Mhra Alerts

MHRA drug and device safety alerts, recalls and Drug Safety Update bulletins, sourced from the…

Developer ToolsCode & DevOps

Responded66 ms15 / 22
Sec Insider

SEC Forms 3/4/5 — insider transactions, indexed so the question can be inverted.

Developer ToolsCode & DevOps

Responded67 ms15 / 22
Transport Nsw

Transport for NSW MCP — journey planning, live departures, service alerts and commuter car-park…

Developer ToolsCode & DevOps

Responded67 ms15 / 22
Pokemon

Pokemon MCP — wraps PokéAPI (free, no auth required)

Developer ToolsCode & DevOps

Responded67 ms15 / 22
Pipeworx Faq

Pipeworx FAQ MCP — curated answers to questions ABOUT Pipeworx itself (what it is, pricing…

Developer ToolsCode & DevOps

Responded67 ms15 / 22
Osv

OSV.dev (Open Source Vulnerabilities) MCP.

Developer ToolsCode & DevOps

Responded67 ms15 / 22
Noaa Coastwatch

NOAA CoastWatch — satellite and model ocean data via ERDDAP.

Developer ToolsCode & DevOps

Responded67 ms15 / 22

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