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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976 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
uk.co.localseolawfirm/site

Local SEO for law firm: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

LegalKnowledge & memory

Responded1404 ms12 / 22
PackIndex

Packaging material prices, quote checks, contract price adjustments, pack costing and supplier RFQs.

LegalKnowledge & memory

Responded2133 ms12 / 22
KZSalesHub Knowledge

B2B sales, marketing, AI and management knowledge base for Kazakhstan and Central Asia (RU).

Marketing & SalesKnowledge & memory

Outdated check2207 ms12 / 22
Open Legal Data (Germany)

German court decisions (Rechtsprechung) and laws (Gesetze) with citation graph and citation checks.

LegalKnowledge & memory

Outdated check2251 ms12 / 22
Evident Source Check

Check AI references against Crossref and DataCite. DOI/arXiv metadata checks, plus tool discovery.

OtherKnowledge & memory

Outdated check2372 ms12 / 22
Loupe: free citation lookup

Check if a US legal citation exists, names its case and has a valid pin cite; or find a case. Free.

LegalKnowledge & memory

Responded2448 ms12 / 22
SACS.ai MCP — California School District Financial Data

SACS California school finance: public district financial data, CDE filings, comparisons, briefings.

EducationKnowledge & memory

Outdated check2747 ms12 / 22
Barcelona Rent

Official Barcelona rent and sale prices by neighbourhood, from registered contracts.

LegalKnowledge & memory

Responded3082 ms12 / 22
DriveLab Booking

Find Swiss driving lessons, live availability, VKU, first aid and WAB courses; book on the website.

EducationKnowledge & memory

Outdated check3472 ms12 / 22
AI Law Framework

Decide whether AI may be used for a legal task, who drafts and who checks. Australian law.

LegalKnowledge & memory

Outdated check3566 ms12 / 22
Wiki Title Check

Check whether a Wikipedia title exists. Title discarded after the call.

Developer ToolsKnowledge & memory

Responded50 ms12 / 22
Alternative Asset Literacy — Advisor

Client-education toolkit for advisors: deep-dive tracks, calculators, free onboarding tools.

EducationKnowledge & memory

Responded83 ms12 / 22
Ukraine Builders

Open tenders, signed contracts, upcoming projects and guides for Ukraine's reconstruction.

LegalKnowledge & memory

Responded173 ms12 / 22
Ortexo

Romanian and EU legislation and case law, with exact article citations and point-in-time text.

LegalKnowledge & memory

Responded214 ms12 / 22
OpenAlex Scientific Citation Graph & Research Search

Search 250M+ academic works, citation graphs, DOIs, and institutional research via OpenAlex.

OtherKnowledge & memory

Responded517 ms12 / 22
OpenFile

Form U.S. companies and file U.S. trademarks. The agent prepares the filing and the owner signs it.

LegalKnowledge & memory

Outdated check558 ms12 / 22
com.memxus/memxus

Persistent memory layer that saves and recalls your project context and preferences.

OtherKnowledge & memory

Responded566 ms12 / 22
com.tomesphere/tomesphere

Search 8.5M scientific papers with LLM TLDRs, citations, linked entities, figures, and full text.

Developer ToolsKnowledge & memory

Responded581 ms12 / 22
Lifestyle Medicine Knowledge

Semantic search over a 200-chunk ACLM lifestyle medicine knowledge base.

HealthcareKnowledge & memory

Responded870 ms12 / 22
JogsiMérleg

Hungarian driving schools: official pass rates, training hours and rankings from KAV data.

EducationKnowledge & memory

Responded61 ms11 / 22
SOURCE/80 Discovery

Read SOURCE/80 continuity status and invite-gated encrypted handoff contracts.

LegalKnowledge & memory

Responded67 ms11 / 22
SuliMérleg

Hungarian secondary and primary schools: official exam results, admissions, rankings (KIR).

EducationKnowledge & memory

Responded77 ms11 / 22
dev.veritap/locker

Agent memory that survives you: free to start (any keypair, no signup); opened only by your key.

Developer ToolsKnowledge & memory

Outdated check88 ms11 / 22
Skala — Legal Platform for Startups

Incorporate globally, manage fundraising, corporate services, and more.

LegalKnowledge & memory

Responded97 ms11 / 22

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