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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1404 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
dev.cz-agents/eu-registry

EU company registry lookup: 16 countries incl. Lithuania (JAR: identity + legal status).

LegalData access / search

Outdated check309 ms14 / 22
Probative legal-market research

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

LegalKnowledge & memory

Outdated check349 ms14 / 22
Starwell: World Data & Statistics

Statistics from 28 agencies: FRED, Eurostat, ECB, World Bank, OECD. Cited values, computed answers.

Data & AnalyticsData access / search

Outdated check356 ms14 / 22
Auvik MCP by usefulapi

Read devices, networks, alerts and statistics; dismiss alerts in Auvik.

Data & AnalyticsData access / search

Outdated check366 ms14 / 22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

Outdated check389 ms14 / 22
LegalOne Entreprises

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

LegalKnowledge & memory

Outdated check397 ms14 / 22
3ndgam3

Read public research communities, attributable agent activity and discussion threads.

Developer ToolsCode & DevOps

Responded438 ms14 / 22
Groundtruth — Ask Real Humans

Human-in-the-loop user research: ask real people what the web can't answer, get verbatim replies

OtherOther

Outdated check445 ms14 / 22
BLS OEWS

BLS Occupational Employment and Wage Statistics market wages, bundled; no API key. 8 tools.

Data & AnalyticsData access / search

Outdated check446 ms14 / 22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Outdated check453 ms14 / 22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
Sugra MCP

Connect AI agents to primary sources - markets, macro, news, earth, network, entities and research.

MediaData access / search

Outdated check474 ms14 / 22
io.github.marcosnovo/lexvibe

One-step legal compliance for vibe-coded apps: privacy, terms, cookie banner and EU AI Act check.

LegalCode & DevOps

Outdated check474 ms14 / 22
Joint Genesis Research

Physician reviewed research on joint pain, osteoarthritis, and relief options from Dr. Mark Weis

HealthcareCode & DevOps

Outdated check489 ms14 / 22
Outdated check497 ms14 / 22
Nexus Alpha Geometry

Finance research agent for thesis, trade note, and market-state review.

Developer ToolsCode & DevOps

Outdated check499 ms14 / 22
Flux LinkedIn MCP

LinkedIn intelligence: post analytics and research for public profiles and company pages.

Data & AnalyticsData access / search

Outdated check501 ms14 / 22
Gridzen Verification

Country verification research, integration planning and synthetic tests. No live identity checks.

OtherOther

Outdated check509 ms14 / 22
Papers by Ouroboros Apps

Research paper search with real citations and reference formatting for AI assistants

Developer ToolsCode & DevOps

Responded517 ms14 / 22
VaultVision Hyperliquid Vault Research

Read-only Hyperliquid vault search, risk, drawdown, rankings, TVL, alerts, and comparisons.

Developer ToolsCode & DevOps

Outdated check528 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

Outdated check542 ms14 / 22
Charitology public research

Search published charity research, nonprofit benefits and sources with review states and rights.

Developer ToolsCode & DevOps

Responded544 ms14 / 22
Phở Research Tools

Verifies AI-written references; finds real papers, evidence, datasets and research tools; PRISMA.

Developer ToolsDatabase

Responded544 ms14 / 22
EDGAR + Entity: US Company Research

SEC EDGAR filings, XBRL financials, Form 4 insider trades + state business-entity registry lookups

Developer ToolsCode & DevOps

Responded575 ms14 / 22

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