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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17927 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
LAYIQ Jobs

Find public job listings and explore roles from LAYIQ. Read-only; no account or login needed.

Developer ToolsCode & DevOps

Responded2128 ms15 / 22
drift — mandate enforcement for AI agents

Block an action a signed mandate does not permit: amount, payee, audience, currency, window, intent.

Finance & CryptoCode & DevOps

Responded2196 ms15 / 22
AIHOT

Chinese AI news: search topics, explore hot events, and read daily, weekly and monthly briefs.

Developer ToolsCode & DevOps

Responded2422 ms15 / 22
Eigenheim Invest – Berlin Real Estate Market

Live Berlin property prices per m², rental yields, land values 2026 and listings. Read-only.

Real Estate & PropertyCode & DevOps

Responded2447 ms15 / 22
HOLD! Korea Stock Ownership & Insider Trades

Who owns Korean listed stocks, from DART filings: 5% holders, insiders, stake changes, average cost.

Finance & CryptoCode & DevOps

Responded2487 ms15 / 22
FateTell

Deterministic BaZi (Four Pillars) charts, Chinese almanac and saved FateTell charts.

Developer ToolsCode & DevOps

Responded2535 ms15 / 22
NOT FOR HUMANS

Public NFH knowledge, ownership epochs, versioned learning, Odd Jobs, and unsigned preparation.

Developer ToolsCode & DevOps

Responded2569 ms15 / 22
QRdx

Design styled QR codes and build Wi-Fi, contact and SMS payloads. Most tools need no API key.

Developer ToolsCode & DevOps

Responded2627 ms15 / 22
DATASUS SIH/SUS — Brazil Hospital Admissions (AIH) MCP

DATASUS SIH/SUS hospital admissions in Brazil (AIH, 1992-2025): ICD-10 causes, ICSAP, rates.

HealthcareCode & DevOps

Responded2655 ms15 / 22
ComplianceCN — toys, batteries, cosmetics, food contact: CE, GPSR, UN 38.3, CPC/GCC and more

Source-cited EU/UK/US/AU market-access checks for Amazon and cross-border product compliance.

Developer ToolsCode & DevOps

Responded2926 ms15 / 22
WHOIS

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Developer ToolsCode & DevOps

Responded3312 ms15 / 22
nidhipati — proof of spend for AI agents

Proof-of-spend and reserve checks for AI agents: receipts, spend audit, NAV, reconciliation.

Developer ToolsCode & DevOps

Responded3379 ms15 / 22
Impreza Host

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.

Finance & CryptoCode & DevOps

Responded3404 ms15 / 22
ChangeThisFile

1,000+ conversion routes plus translate, extract tables, compress. 25 free/month, then a free key.

Developer ToolsCode & DevOps

Responded6341 ms15 / 22
AgentBreakWatch

Audit AI Agent SDKs and MCP servers for breaking changes, schema drift, and migration fixes.

Developer ToolsCode & DevOps

Responded6587 ms15 / 22
DeltaSignal ATLAS-7

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Developer ToolsCode & DevOps

Responded6713 ms15 / 22
Aziel Runtime

Governed MCP: agent audit, provenance, deterministic checks, and receipt-backed FragGate execution.

Developer ToolsCode & DevOps

Responded6953 ms15 / 22
POAScan

Read-only Proof of Agent explorer: epochs, rewards, holders, swaps and agent census. No auth.

GovernmentCode & DevOps

Responded7288 ms15 / 22
Sense2 Promotional Products

29 read-only tools: search 4,000+ Australian promotional products, live pricing, quotes, edits.

Developer ToolsCode & DevOps

Responded7629 ms15 / 22
io.github.ContentWriterco/powietrze-mcp

Air quality in Poland: live GIOŚ measurements, smog warnings, CAMS forecast and pollen

Data & AnalyticsCode & DevOps

Responded35 ms14 / 22
io.github.ContentWriterco/szkoly-mcp

Polish schools and kindergartens with per-school eighth-grade exam and matura results

EducationCode & DevOps

Responded37 ms14 / 22
io.github.ContentWriterco/rozklad-mcp

Polish train, bus & city transit timetables: journeys, departures, live delays, fares

Developer ToolsCode & DevOps

Responded38 ms14 / 22
io.github.ContentWriterco/kolejki-nfz-mcp

NFZ waiting times in Poland: where a specialist, test or treatment is available soonest

Developer ToolsCode & DevOps

Responded38 ms14 / 22
io.github.ContentWriterco/ceny-nieruchomosci-mcp

Polish real-estate deed prices and parcel checks: zoning plan, utilities, flood risk

Real Estate & PropertyCode & DevOps

Responded40 ms14 / 22

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