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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5945 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
WoodRoar (US)

Search, filter and compare chainsaws in WoodRoar's catalogue, each with a link to its page.

OtherData access / search

Responded121 ms13 / 22
PPN Hub — public APIs over MCP

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Developer ToolsData access / search

Responded121 ms13 / 22
AlertaSubastas

Search Spain's public auctions (BOE, Social Security, tax agency, notaries) with full asset records.

Finance & CryptoData access / search

Responded121 ms13 / 22
Agentify — search engine for AI agents

Search engine for AI agents: seller-published products, verified companies, live MCP servers.

Developer ToolsData access / search

Responded121 ms13 / 22
Per Patient Day: SNF benchmarks and valuation math

Skilled nursing benchmarks by state from CMS cost reports, plus SNF valuation and DSCR math.

HealthcareData access / search

Outdated check121 ms13 / 22
TV Music Store

Search royalty-free cinematic and production music for videos, films, trailers, ads and games.

MediaData access / search

Responded122 ms13 / 22
Seller Toolbelt

Check and fix Amazon, eBay and Etsy product images, calculate marketplace fees, look up barcodes.

MediaData access / search

Responded123 ms13 / 22
Remotejobify

Search remote jobs by the country you live in, each with the line that proves you can apply.

OtherData access / search

Responded123 ms13 / 22
Outdated check123 ms13 / 22
StudentLoan.help: federal repayment plan calculator

Federal student loan repayment estimates: RAP, IBR, Standard, Tiered Standard, PSLF, refinance.

GovernmentData access / search

Outdated check123 ms13 / 22
Foundry44

Search the Foundry44 library and install animated UI components for any stack.

OtherData access / search

Responded124 ms13 / 22
Fuse rooms

Search Fuse's furnished, all inclusive student rooms in Budapest and Riga. Read only, no key.

EducationData access / search

Responded125 ms13 / 22
MortgageExplained Data

Indicative UK lender criteria by borrower scenario, and Land Registry house prices by region.

Real Estate & PropertyData access / search

Outdated check125 ms13 / 22
212medya Growth Check

Audit a public website for B2B marketing readiness and AI search visibility.

Marketing & SalesData access / search

Outdated check126 ms13 / 22
Geotone — Global News Signals

Live global news signals: ranked wire, story timelines, coverage volume/tone/surges. Free, no auth.

MediaData access / search

Outdated check126 ms13 / 22
CustomerDashboard

Build dashboards on your own data, including multi-customer views with per-customer login.

Data & AnalyticsData access / search

Outdated check126 ms13 / 22
Cocktail Glass

Search 500 cocktail recipes, get full recipes, find drinks by ingredient, suggest random picks.

OtherData access / search

Outdated check126 ms13 / 22
booboooking Appointment Booking

Book appointments with service providers on booboooking.com — no token required.

TravelData access / search

Responded127 ms13 / 22
Black Label Bots Website MCP

Search and read public Black Label Bots pages with source URLs.

Developer ToolsData access / search

Responded128 ms13 / 22
Nagora

Buy real goods with Nano (XNO) through escrow. Search, purchase, track orders, get signed receipts.

E-commerceData access / search

Responded128 ms13 / 22
HeavenPC (US)

Search, filter and compare server racks in HeavenPC's catalogue, each with a link to its page.

OtherData access / search

Responded129 ms13 / 22
Mission Museaux

Lost & found pets in France: stray dogs and cats, photo search, shelter adoptions, breeds, advice.

MediaData access / search

Outdated check131 ms13 / 22
Arcalune Music

Search royalty-free BGM and sound effects (commercial use OK, no credit) and game fan arrangements.

MediaData access / search

Responded132 ms13 / 22
divux

Official data for AI assistants: medicines, recalls, cosmetics, money, travel, places, prices.

HealthcareData access / search

Outdated check132 ms13 / 22

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