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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5996 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
Jina Reader

Jina AI Reader/Search MCP — turn any URL into clean LLM-ready markdown, plus web search.

Developer ToolsData access / search

Responded521 ms13 / 22
ai.adoraads/beauty

AI-native beauty ads, sponsored product discovery, and brand recommendations.

Marketing & SalesData access / search

Responded537 ms13 / 22
GLEIF Global LEI & Corporate Entity KYB Lookup

Search Global Legal Entity Identifier (GLEIF LEI) records for corporate KYB and entity verification.

LegalData access / search

Responded543 ms13 / 22
US CISA Known Exploited Vulnerabilities (KEV) & Ransomware Audit

US CISA Known Exploited Vulnerabilities (KEV) catalog & active ransomware campaign check.

Marketing & SalesData access / search

Responded544 ms13 / 22
SEC EDGAR Company Facts & CIK Financial Filings

Extract structured SEC EDGAR company facts, CIK lookups, and regulatory financial filings.

OtherData access / search

Responded548 ms13 / 22
USASpending Federal Contracts & Grants Intelligence

Query USASpending.gov federal contract awards, grants, and government contractor recipients.

GovernmentData access / search

Responded550 ms13 / 22
CMS NPPES NPI-2 Healthcare Organization Registry

Search official CMS NPPES NPI-2 medical organization and healthcare provider registry records.

HealthcareData access / search

Responded559 ms13 / 22
TerraVault

U.S. state cannabis license lookups, licensed stores nearby, CA recalls. Read-only, no key.

OtherData access / search

Responded565 ms13 / 22
Ramayana Book MCP Server

Valmiki Ramayana verses: lookup, search and verse-of-the-day in 4 languages

Developer ToolsData access / search

Outdated check676 ms13 / 22
ForumDataAPI — Community Posts, Thread Search & Comments MCP Server

Real-time community forum posts, search, nested comments & mentions MCP. OAuth or API key.

Developer ToolsData access / search

Responded702 ms13 / 22
NY Fed SOFR, EFFR & OBFR Overnight Benchmark Reference Rates

Official Federal Reserve Bank of New York SOFR, EFFR, and OBFR overnight reference rates.

GovernmentData access / search

Responded704 ms13 / 22
NetGrant — Canadian funding

Search 1,300+ live Canadian funding opportunities — grants, tax credits, accelerators, and loans.

Finance & CryptoData access / search

Responded799 ms13 / 22
AITWIRE

Business-published entity records with confirmation dates: look up, page feeds, check claims.

OtherData access / search

Responded799 ms13 / 22
IP99 IP risk & geolocation

Free IP risk and geolocation lookup: proxy, VPN and datacenter detection. No API key.

OtherData access / search

Responded840 ms13 / 22
Best AI Search Agency AEO Report

Free AEO visibility report MCP — run AI search audits for any domain.

Developer ToolsData access / search

Responded884 ms13 / 22
com.abbyseo/mcp-server

Scan any URL for on-page, technical & content SEO; 0-100 score with copy-paste fixes.

Marketing & SalesData access / search

Responded1075 ms13 / 22
AutoPoster AI

Multi-platform social media post creation, scheduling, and publishing.

Marketing & SalesData access / search

Responded1081 ms13 / 22
com.cryptowhaleinsights/whale-insights

Free read-only crypto whale-tracking & market-data MCP tools across 14 chains. No auth.

Finance & CryptoData access / search

Responded1208 ms13 / 22
ServerSearcher

Search and compare dedicated, VPS, GPU and cloud server plans by specs, location and price.

OtherData access / search

Outdated check1243 ms13 / 22
Stock Bloc

SEC filing jobs, 13F holdings, market data, quant scores for agents. x402 USDC pay-per-call on Base.

Finance & CryptoData access / search

Outdated check1444 ms13 / 22
Exa

Exa MCP — neural/semantic web search + content retrieval (exa.ai)

Developer ToolsData access / search

Outdated check6162 ms13 / 22
Elexon

Elexon BMRS Insights MCP — Great Britain electricity grid & market data.

Finance & CryptoData access / search

Outdated check6163 ms13 / 22
Erik Bethke's Blog & Knowledge Graph

Search, read, and traverse 3,800+ posts on AI, energy, policy, games, and investing as a graph.

OtherData access / search

Responded12776 ms13 / 22
max4.live

Natural-language search over 8,900+ Max for Live devices for Ableton Live.

OtherData access / search

Responded20555 ms13 / 22

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