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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17922 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
KarmaDue

Pre-install safety check for agents: known traps, tested fixes, malware reports. No account.

SecurityCode & DevOps

Responded1481 ms15 / 22
DataPulse

Read-only discovery for 447 Malaysian public datasets with freshness, licence, and provenance.

Developer ToolsCode & DevOps

Responded1549 ms15 / 22
RightAIChoice — verified AI tool data

What changed, what died, what it costs, what survives: 8,000+ AI tools, verified and dated.

Developer ToolsCode & DevOps

Responded1559 ms15 / 22
squirrelscan

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

Developer ToolsCode & DevOps

Responded1607 ms15 / 22
The Builder's Prompt Library

Search 3,323 graded AI prompts for software builders; fetch any prompt by slug. No key needed.

Developer ToolsCode & DevOps

Responded1636 ms15 / 22
PowPow

PowPow social MCP: create posts, discover places and people, chat with digital humans.

Developer ToolsCode & DevOps

Responded1657 ms15 / 22
AgentPay — trust routing + spend caps for x402 agents

Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools.

Developer ToolsCode & DevOps

Responded1663 ms15 / 22
Oxaide — Singapore company research for AI agents

Agent-buys cited Singapore company research: ACRA/URA/GeBIZ packs, S$49/390/1500 per job.

Developer ToolsCode & DevOps

Responded1685 ms15 / 22
Slim Chance

Honest weight trend and the chance it's really moving, from dated morning weights. Nothing stored.

Developer ToolsCode & DevOps

Responded1690 ms15 / 22
GeoSpark

Verifiable geospatial tools: distances, topology, isochrones, Overture Maps, with sources.

Data & AnalyticsCode & DevOps

Responded1695 ms15 / 22
Regulane compliance check

Check code against secure-coding rules mapped to ISO 27001 and the DPDP Act. Free, no account.

Developer ToolsCode & DevOps

Responded1744 ms15 / 22
Kleap

Build, edit, publish, and manage websites and web apps with Kleap hosting, domains, and analytics.

Developer ToolsCode & DevOps

Responded1814 ms15 / 22
The Profound Agency

Search, price and order press placements across 1,600+ publications. Free AI-visibility audits too.

Developer ToolsCode & DevOps

Responded1852 ms15 / 22
attest — verification for AI agent artifacts

Verify artifacts produced by AI agents: schema, emptiness, provenance, authority.

Developer ToolsCode & DevOps

Responded2047 ms15 / 22
Comrades of War Archive

Search a Spanish gaming-community archive and receive exact x402 page purchase URLs.

MediaCode & DevOps

Responded2079 ms15 / 22
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

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