MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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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7718 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
KaiCast Ocean Conditions

Ocean conditions by location: water visibility, swell, wind, tide, plus dive and snorkel spot picks.

OtherOther

Responded790 ms14 / 22
HouseFile UK property licensing checker

Checks whether a property in England is in a council's selective or HMO licensing scheme

OtherOther

Responded792 ms14 / 22
Conference Partner

Conference & journal CFP deadlines, CCF/ICORE/QUALIS rankings, acceptance rates, research fields.

OtherOther

Responded794 ms14 / 22
InvestorMatch (public, no sign-in)

Search InvestorMatch's public directory of VC investors and fundraising guides. No sign-in needed.

OtherData access / search

Responded794 ms14 / 22
Creative Market

Find fonts, templates, and graphics from indie creators on Creative Market. Read-only, no account.

OtherOther

Responded795 ms14 / 22
Diver Atlas

Read-only dive-site atlas: search sites, sourced site plates, conditions, suitability checks.

OtherData access / search

Responded796 ms14 / 22
COT-Reports

CFTC Commitments of Traders data for every CFTC futures market: positions, history, COT index.

OtherOther

Responded796 ms14 / 22
XportL

GPU fabric tools: NCCL benchmark analysis, degradation cost, cluster compatibility, XportL facts.

OtherOther

Responded797 ms14 / 22
Orbit used tech prices

Used prices for GPUs, CPUs, RAM, consoles, iPhones, MacBooks and more from live eBay listings.

OtherOther

Responded798 ms14 / 22
Acoustic Sound Panels

Estimate a room's echo, get panel recommendations, and request a Free Room Analysis.

OtherOther

Responded802 ms14 / 22
There's An AI For That

Search TAAFT for AI tools and retrieve public tool details.

OtherData access / search

Responded803 ms14 / 22
New Research Papers & Science Breakthroughs — buy per-query in-session (scibreak)

Science breakthroughs: new research papers. $0.01/query. Be born in one call — free testnet funds.

OtherOther

Outdated check804 ms14 / 22
SSANVPS - VPS & domain price comparison

Cheapest and best-value VPS plans by spec, plus domain prices, read daily from official pricing.

OtherOther

Responded808 ms14 / 22
Servana

Search and message local service vendors (cleaning, med spa, yoga, personal training) by city.

OtherData access / search

Responded808 ms14 / 22
SimpleNPI

Free NPI lookup and verification (CMS registry) and free NPI applications filed for you.

OtherData access / search

Responded809 ms14 / 22
평생요금제닷컴 알뜰폰 요금제 (Korea MVNO plans)

Korean MVNO(알뜰폰) plans checked 5x daily on carriers' official sites: search, cheapest, price history

OtherData access / search

Responded810 ms14 / 22
Earthquake Alerts & Seismic Activity (USGS Live) — buy per-query in-session (quakewatch)

Live USGS earthquake alerts: M2.5+ 24h, mag, depth. Be born in one call — free testnet funds.

OtherOther

Responded811 ms14 / 22
Responded811 ms14 / 22
Sambodh IAS

UPSC prep: interactive quizzes, previous-year questions, daily current affairs, cited study search

OtherData access / search

Responded811 ms14 / 22
Vérifier ma facture (Factur-X)

Conformité Factur-X : 21 critères PDF/A-3, XML CII EN 16931 et BR-FR. Analyse locale, gratuite.

OtherFile & docs

Responded811 ms14 / 22
Mode VC Chart: ChatGPT vs. Gemini vs. Meta AI: User Numbers Compared

ChatGPT reports 900M weekly users (Feb 2026). Gemini reports 950M monthly (Jul 2026), 2.4× its.

OtherAI / LLM tooling

Responded812 ms14 / 22
Mode VC Chart: Chinese AI Models vs. US Models: How Close Is China?

qwen3.8-max trails claude-fable-5.1-max by 27 points. Over the past year the gap has stayed.

OtherAI / LLM tooling

Responded817 ms14 / 22
Wehome

Search homestays in South Korea by area, dates, guests, and budget, with links to book on Wehome.

OtherData access / search

Responded822 ms14 / 22
Endurance Wire

Endurance gear release dates, launch prices, generation comparisons, rumors and launch predictions.

OtherAI / LLM tooling

Responded822 ms14 / 22

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