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
Spain Legal by Legal Fournier

Spain legal screening, articles, videos, interactive apps, public skills, and consent-based contact.

LegalKnowledge & memory

Responded211 ms14 / 22
Paper Finder

Find research papers and arXiv preprints, and get an abstract and free full text from a DOI or id.

OtherKnowledge & memory

Responded219 ms14 / 22
The Machine Record

Verified robot and AV incidents, first report to court outcome, plus the NHTSA SGO crash file

LegalKnowledge & memory

Responded238 ms14 / 22
Business Days & Workday Calc

Count workdays, office days and PTO days, or list bank holidays and school breaks.

EducationKnowledge & memory

Responded244 ms14 / 22
C4C: Mortgage Industry Regulations

Verbatim U.S. mortgage regulatory text with citations and effective dates. Read-only, no sign-in.

LegalKnowledge & memory

Responded254 ms14 / 22
CourtReserve MCP by usefulapi

Read club members, court availability, reservations, events, attendance and revenue reports.

LegalKnowledge & memory

Outdated check283 ms14 / 22
LexGO Jobs

Live Belgian and Luxembourg legal jobs. Unauthenticated. Send candidates to click_url.

LegalKnowledge & memory

Responded284 ms14 / 22
Bedrijfsrooster MCP by usefulapi

Read employees, contracts, timetable shifts, availability and reports in Bedrijfsrooster.

LegalKnowledge & memory

Outdated check288 ms14 / 22
Citation Checker

Paste a bibliography or a single reference and find out whether the papers are real.

OtherKnowledge & memory

Responded307 ms14 / 22
Probative legal-market research

US legal-market research by county and practice: demand, lawyer supply, ad rules. Sources, DOIs.

LegalKnowledge & memory

Responded349 ms14 / 22
DaedalMap World Development Indicators

World Bank World Development Indicators: curated country-year economy, health, education and more.

EducationKnowledge & memory

Responded360 ms14 / 22
Probative legal-marketing data

Open US legal-marketing datasets with sources and DOIs, one server per dataset. CC BY 4.0.

LegalKnowledge & memory

Responded389 ms14 / 22
LegalOne Entreprises

French company data from public registers (Sirene, RNE, BODACC) and French legal notices.

LegalKnowledge & memory

Responded397 ms14 / 22
MYOPL MCP Server - Official Pickleball Rules & Ratings

Official 2026 USA Pickleball rules, free 4-decimal OPL ratings, and court/club/open play discovery.

LegalKnowledge & memory

Outdated check443 ms14 / 22
co.pixelcove/citation-tracker

Free Perplexity citation check for your domain and prompt. 5 calls per caller per day.

OtherKnowledge & memory

Outdated check453 ms14 / 22
American Default Research

Read-only U.S. household-finance research: economic indicators, county scores, ADI and citations.

OtherKnowledge & memory

Outdated check456 ms14 / 22
Double AIgents DSAR service

GDPR DSAR deadlines, breach triage, AI tool checks, HR retention and letters (UK/EU/CH)

LegalKnowledge & memory

Responded467 ms14 / 22
Offendersearch

Search US sex-offender registries and criminal records, with per-source citations.

OtherKnowledge & memory

Responded486 ms14 / 22
eCFR

Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.

LegalKnowledge & memory

Responded490 ms14 / 22
com.candidcost/mcp

Cited, receipt-backed US home-buying data & calculators — education-only, every number sourced.

EducationKnowledge & memory

Outdated check490 ms14 / 22
AgentDiet ArXiv AI/CS Paper Search & Structured Token-Diet Digest

Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and Bib.

OtherKnowledge & memory

Responded542 ms14 / 22
Trademark Screen

Screen a brand name against the USPTO federal register — sound, class, live status, risk verdict.

LegalKnowledge & memory

Responded578 ms14 / 22
LAWHOT

法律热点、法规、案例与法律日报。匿名只读,不需要 API Key。Legal news, statutes, cases, and daily briefings.

LegalKnowledge & memory

Outdated check614 ms14 / 22
FactStamp

Verify a company, figure or citation before you rely on it. Card or crypto; signed receipt.

Finance & CryptoKnowledge & memory

Responded617 ms14 / 22

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