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
Corpus Plan

Free SEO/GEO audits of public websites and AI answer-engine citation checks. No login or API key.

Marketing & SalesKnowledge & memory

Responded646 ms13 / 22
US Code Federal Statutes

Search and read U.S. Code statutes with legal and inline citations linking to uscode.ecfr.io.

LegalKnowledge & memory

Responded662 ms13 / 22
EduAtlas

Live school vacancies from schools' own careers pages, and official school records. Free, no login.

EducationKnowledge & memory

Responded664 ms13 / 22
Bot Office

Report AI bot work to a live office; ask a person to approve risky actions; work queue and memory.

OtherKnowledge & memory

Outdated check667 ms13 / 22
Unified Chambers Legal

Indian debt recovery law reference: DRT benches, tribunal fees, SARFAESI periods, bare acts.

LegalKnowledge & memory

Responded676 ms13 / 22
Life Scenario

For parents and teachers: SEL trait guides, practice scenarios, what-to-say guides (ages 6-14).

EducationKnowledge & memory

Responded686 ms13 / 22
Dutch Property Context

Dutch property report by address: build year, energy label, neighbourhood, monument, schools.

EducationKnowledge & memory

Outdated check691 ms13 / 22
UK Immigration Lawyers — visa data tools

UK immigration tools: going rates by SOC, sponsor licence check, visa fees, employer right to work.

LegalKnowledge & memory

Responded692 ms13 / 22
CT Injury Cases

Connecticut personal injury litigation data: car accident cases, Hartford Judicial District.

LegalKnowledge & memory

Responded742 ms13 / 22
Radix Wiki

Community-maintained knowledge base for Radix DLT — search, read, and contribute wiki pages.

OtherKnowledge & memory

Responded752 ms13 / 22
투표함 — 전자투표 법령 자료 (Korean e-voting statutes, quorum & consult)

Korean e-voting statutes, quorum judgement, fee quote and consult request. 10 tools, no auth.

LegalKnowledge & memory

Responded796 ms13 / 22
Cyber Library

Search and read Cyber Library, a free structured cybersecurity knowledge base. Read-only, no auth.

SecurityKnowledge & memory

Responded826 ms13 / 22
GLO Law

Free U.S. legal research: court opinions, statutes, state regulations and corrections policies.

LegalKnowledge & memory

Responded833 ms13 / 22
Knowra

Search arXiv papers and read Scout reports with methods, evidence and verification points.

OtherKnowledge & memory

Responded876 ms13 / 22
Western Reporting Services

Las Vegas court reporting firm (since 1990): guides, glossary, services and business facts.

LegalKnowledge & memory

Responded933 ms13 / 22
Pet Data Station

Source-verified pet food regulations, recalls, nutrient standards and species care data.

LegalKnowledge & memory

Responded951 ms13 / 22
japanlaw.org — Japanese law

Japanese statutes and the Ministry of Justice's English, cited to the item, every line sourced.

LegalKnowledge & memory

Responded976 ms13 / 22
A.U.G.U.R Foresight · Web & Research

Read the web (page text, DNS, WHOIS, TLS, uptime) + research (Wikipedia, arXiv, GitHub, packages).

Developer ToolsKnowledge & memory

Responded1005 ms13 / 22
리치고 부동산 (Richgo)

Korean apartment prices, trades, forecasts, tax, school districts, redevelopment, court auctions

LegalKnowledge & memory

Responded1049 ms13 / 22
Empath Legal: venues, sign-up and access

Published venue facts for trial attorneys preparing jury selection, plus a guided account start.

LegalKnowledge & memory

Responded1058 ms13 / 22
past.dev

Memory for AI agents. Ask what is true now, get the facts back with their dated sources.

Developer ToolsKnowledge & memory

Responded1130 ms13 / 22
HillSignal

Federal contracts, SAM notices, congressional trades, PAC money, insider trades, bills, EOs, themes.

LegalKnowledge & memory

Responded1142 ms13 / 22
Sage Learning Printables

Free educational printables catalog for parents and teachers (ages 4–8).

EducationKnowledge & memory

Responded1196 ms13 / 22
tennis.courts/nyc-tennis-courts

Where to play tennis in New York, London, Paris and more cities: walk on, book or join. Sourced.

LegalKnowledge & memory

Responded1265 ms13 / 22

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