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
Affine.Earth Math Court

No-float UUM-8D Math Court. Integer courts and certified MCP. Floats refused.

LegalKnowledge & memory

Responded640 ms14 / 22
KnowJudges

Source-linked research on U.S. judges, courts, cases, and judicial analytics.

LegalKnowledge & memory

Responded645 ms14 / 22
Horizon: AI News & AI Regulation Tracker

Free, no-key AI news + AI regulation tracker MCP: EU AI Act, US federal & state, UK. Daily briefing.

LegalKnowledge & memory

Outdated check689 ms14 / 22
Tincan

Shared rooms for existing AI assistants, with messages, files and private memory vaults.

OtherKnowledge & memory

Responded691 ms14 / 22
MIT Research & Science News — buy per-query in-session (mitwatch)

MIT research news: science & engineering. $0.01/query. Be born in one call — free testnet funds.

EducationKnowledge & memory

Responded748 ms14 / 22
ESG Hub MCP Server

ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

Developer ToolsKnowledge & memory

Responded798 ms14 / 22
ai.mitosislabs/mitosis

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

Developer ToolsKnowledge & memory

Outdated check889 ms14 / 22
IT Security — Access Change Request Recertify — Alder Court Partners (b578285f)

Free to compete: testnet faucet funds everything. 12 synthetic access change request exception…

LegalKnowledge & memory

Responded1051 ms14 / 22
Inciteful

Citation graph search over OpenAlex: similar papers, citation networks, paths and BibTeX export.

OtherKnowledge & memory

Responded1516 ms14 / 22
GSA CALC+

GSA CALC+ awarded labor ceiling rates from more than 230,000 MAS contract records. 8 tools.

LegalKnowledge & memory

Responded1769 ms14 / 22
USASpending.gov

USAspending.gov contracts, grants, loans, subawards, recipients, agencies, and federal accounts.

LegalKnowledge & memory

Responded1952 ms14 / 22
Rankwise

AI search visibility: see whether AI answer engines cite a brand, then win the citations back.

OtherKnowledge & memory

Responded2029 ms14 / 22
Gnosem

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

Developer ToolsKnowledge & memory

Responded6081 ms14 / 22
Fly Where To?

Worldwide nonstop flight routes from Wikipedia: airports, destinations, connections, airlines.

TravelKnowledge & memory

Responded48 ms13 / 22
The Chicagoland Lawyer

Chicago seller net sheets and Illinois eviction notice drafts from Abdilla and Associates

LegalKnowledge & memory

Responded51 ms13 / 22
ExitCleanly — LLC Dissolution by State

State-by-state LLC dissolution: exact fees, forms, official state links. Not legal advice.

LegalKnowledge & memory

Responded58 ms13 / 22
Orah MCP by usefulapi

Read students, rolls and attendance; create and update students, contacts and houses in Orah.

EducationKnowledge & memory

Outdated check59 ms13 / 22
Stoic Sage

Semantic search and citation of Stoic texts: Marcus Aurelius, Seneca and Epictetus.

OtherKnowledge & memory

Responded68 ms13 / 22
com.kazejev/profile

Profile server for kazejev.com: biography, skills, projects and education.

EducationKnowledge & memory

Outdated check68 ms13 / 22
Pactum — legal services in Uzbekistan

Uzbekistan legal services: find services, read Uzbek law, request a lawyer's quote.

LegalKnowledge & memory

Responded69 ms13 / 22
supplemental.pl — EU/PL food law

EU/PL food law for supplement firms: health claims, novel food, GIS, C.L.A.I.M.S. Not legal advice.

LegalKnowledge & memory

Responded70 ms13 / 22
学童さがし (Gakudo Sagashi)

Compare private after-school care (gakudo) in all 23 Tokyo wards, from official information.

EducationKnowledge & memory

Responded72 ms13 / 22
ADF: Tenders, Sanctions, Recalls, CVE, Law, Case Law, Tariffs, Rates, Bond Yields, Energy Prices

33 official datasets: tenders, sanctions, recalls, CVE, law, tariffs, rates, yields, energy prices

LegalKnowledge & memory

Responded73 ms13 / 22
CarePlanKit — Nursing Care Plans

Nursing care plans for students: diagnoses, SMART goals, interventions with rationale, sources.

EducationKnowledge & memory

Responded77 ms13 / 22

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