MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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
USAnaru™ — U.S. boarding schools

U.S. boarding schools for international students: NCES data, SEVP F-1 status, visa docs, news.

EducationKnowledge & memory

Responded763 ms11 / 22
Groundtruth: site inspections, photos and pickups; court and property records retrieval

Site photos, inspections and pickups at an address; court, property and business records retrieved.

LegalKnowledge & memory

Outdated check782 ms11 / 22
Awareness — Memory, Knowledge & Agent Markets

Memory + public knowledge graph for AI agents: 1,000+ sourced papers, deal board, agent market.

Developer ToolsKnowledge & memory

Responded796 ms11 / 22
StruXure NorCal Knowledge Base

Public remote MCP server for StruXure NorCal pergola services, FAQs, and contact requests.

Developer ToolsKnowledge & memory

Responded837 ms11 / 22
Run Memory

Checkpoint and resume for AI agent runs, so crashed runs pick up where they left off.

ProductivityKnowledge & memory

Outdated check868 ms11 / 22
uk.co.employmentcontractgenerator/site

Employment Contract Generator: the site's own MCP server — checker, enquiry (enquiry = a human...

LegalKnowledge & memory

Responded1075 ms11 / 22
복대리 · Bokdaeri

Bokdaeri (복대리) connects people with lawyers in South Korea for user-confirmed consultations.

LegalKnowledge & memory

Outdated check1209 ms11 / 22
space.gensi.bc/aegis-security-mcp

AI scam-shield for Web3: screen token contracts for honeypot/drain patterns. Aegis AI group admin.

LegalKnowledge & memory

Responded1332 ms11 / 22
Lex-Ray

Structured EU and UK legislation: public metadata, free sample articles, and entitled full text.

LegalKnowledge & memory

Responded2325 ms11 / 22
Melvea Local Honey Discovery

Citation-backed honey producer discovery by place or varietal. Free, no auth.

OtherKnowledge & memory

Responded66 ms11 / 22
EuroComply — EU Regulatory Compliance

EU regulatory compliance data: 17 regulations, deadlines, enforcement actions. EU-hosted.

LegalKnowledge & memory

Responded116 ms11 / 22
Stigmer

Execution graph of AWS: verified contracts, least-privilege IAM policies, pre-flight authorization.

LegalKnowledge & memory

Outdated check116 ms11 / 22
Combined Server-Surface Census

Combined Server-Surface Census: identity, tool contract + skill digests in one signed snapshot.

LegalKnowledge & memory

Responded336 ms11 / 22
taxmeup.xyz

Free educational tax deduction analysis. Check common deductions with IRS publication citations. Tax

Finance & CryptoKnowledge & memory

Responded376 ms11 / 22
Wikexa Knowledge

Wikipedia, Wikidata and Wiktionary as clean JSON, not HTML. 1.9M searchable. Free, no auth.

OtherKnowledge & memory

Responded425 ms11 / 22
com.bidda/bidda-compliance

10,065 source-verified compliance nodes, 39 pillars, 25 MCP tools (EU AI Act, GDPR, NIST, MITRE).

LegalKnowledge & memory

Responded439 ms11 / 22
ZoningVerdict

Human-reviewed zoning answers with ordinance citations for covered US municipalities.

Real Estate & PropertyKnowledge & memory

Responded455 ms11 / 22
TrustAI Verification

Neutral referee for legal-AI output: flags orphan quotes and uncited claims. Not legal advice.

LegalKnowledge & memory

Outdated check509 ms11 / 22
Registry Rot Watch

Registry Rot Watch: liveness + successor-contract verdicts for MCP endpoints.

LegalKnowledge & memory

Responded757 ms11 / 22
Hermes — Air Quality Intelligence

UK air quality MCP: live readings, historical trends, LAQM stats, WHO checks, knowledge base.

Data & AnalyticsKnowledge & memory

Responded70 ms10 / 22
BrunoSan ArXiv Intelligence

AI research intelligence for AI, ML, NLP, vision and robotics with citations and entity graphs.

OtherKnowledge & memory

Responded124 ms10 / 22
NCES Education Data

School enrollment, graduation rates, demographics, finance, and Title I data

EducationKnowledge & memory

Responded526 ms10 / 22
College Scorecard

Higher education data: tuition, graduation rates, and earnings

EducationKnowledge & memory

Responded527 ms10 / 22
O*NET Occupational Data

Job descriptions, skills, education requirements, and wage data

EducationKnowledge & memory

Responded534 ms10 / 22

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