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

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7729 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
linkhub

Elite AI Empire — All Links | Links

OtherOther

Responded457 ms14 / 22
FilingFirehose

SEC EDGAR filings parsed: 8-K body-text classification, 13D activist tagging, S-3 ATM detection.

OtherOther

Responded396 ms14 / 22
中文 AI 可引用性(GEO/AEO)体检

中文站能否被豆包/DeepSeek/文心/Kimi 抓取、读懂、引用:可引用性审计、信源池占位探测、五大指标测量、修复计划、观测时序追踪

OtherOther

Responded1176 ms14 / 22
Open Platform

Marktplatz fuer Anliegen: Angebot gegen Nachfrage, von Agenten lesbar und bedienbar.

OtherOther

Responded228 ms14 / 22
global.rootz.politics/officials

Origin-signed US political data: 25,546 officials, bills, votes, positions with sources.

OtherOther

Responded408 ms14 / 22
guide.bicycle/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded496 ms14 / 22
guide.careleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded548 ms14 / 22
dev.webanalyzer/webanalyzer

Free website analyzer: score any public URL 0-100 across 8 quality dimensions. No auth.

OtherOther

Responded565 ms14 / 22
guide.churchleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded598 ms14 / 22
guide.babyname/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Responded618 ms14 / 22
com.zeltser/website-search

Improve security writing, score it against rubrics, plan IR, CTI, vuln, and product strategy.

OtherData access / search

Responded1131 ms14 / 22
TopImpressionists Impressionist Art Search

Impressionist art: Monet, Renoir, Degas, Van Gogh. Search works and price oil reproductions.

OtherData access / search

Responded2395 ms14 / 22
WahooArt Art Search & Quotation

Search 640,000 artworks and price hand-painted oil reproductions, giclée prints and custom art.

OtherData access / search

Responded2432 ms14 / 22
com.ainetcafe/netcafe-translate

Translation that never breaks structure: .srt timings, i18n key trees, PDF layout.

OtherFile & docs

Responded8371 ms14 / 22
Ledgermoor Table to Excel

Turn any table into a real .xlsx or CSV file: numbers stay numbers, header frozen. Free, no storage.

OtherFile & docs

Responded55 ms14 / 22
Dutyfinch Tariff Lookup

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

OtherAI / LLM tooling

Responded59 ms14 / 22
Flowsimp

Turn Mermaid or an indented outline into an editable flowchart link. Completely free, no API key.

OtherOther

Responded68 ms14 / 22
CostBench

Verified pricing, hidden costs, negotiation data, price changes & TCO for 3,390+ software products.

OtherOther

Responded85 ms14 / 22
Ninar AI

Audit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.

OtherAI / LLM tooling

Responded321 ms14 / 22
designare.at Knowledge

Lesender Zugriff auf Profil, Projekte und Fachwissen von Michael Kanda (designare.at, Web & KI).

OtherOther

Responded473 ms14 / 22
TLS Radar

SSL/TLS scanning, free Let's Encrypt issuance, and certificate-expiry monitoring.

OtherMonitoring & observability

Responded749 ms14 / 22
Cerebrum

Search the scientific literature and get a cited answer, plus the Trending in Science edition.

OtherData access / search

Responded1108 ms14 / 22
Western Container Sales

Shipping-container sale and rental pricing, availability, delivery, and product discovery.

OtherOther

Responded1256 ms14 / 22
The Omelette Index

Purchasing power via plain-omelette prices: country, region and city readings in EUR, worldwide.

OtherOther

Responded24 ms13 / 22

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