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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1407 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
Financial Evidence Workspace

Read-only cited financial datasets, bounded research queries and source diagnostics.

Developer ToolsCode & DevOps

Outdated check379 ms13 / 22
Luxembourg MCP

Keyless MCP access to official Luxembourg public data: laws, statistics, mobility, and more.

Data & AnalyticsCode & DevOps

Outdated check390 ms13 / 22
AdvBox

Wrapper for the official AdvBox API (legal practice management): cases (with history, movements, pub

LegalCode & DevOps

Outdated check394 ms13 / 22
Astrea (Aurum)

Reporting and queries over Astrea (Aurum), Brazilian legal-practice software: cases per client, cale

LegalCode & DevOps

Outdated check396 ms13 / 22
Cited Brief

Paid web research tools: cited briefs, quote checks, page text. Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Outdated check400 ms13 / 22
Calculadora Jurídica

Automatic Brazilian legal calculators: monetary correction and debt settlement (correction by IPCA,

LegalCode & DevOps

Outdated check407 ms13 / 22
SMIFS Limited

SMIFS Limited, SEBI-registered broker & PMS: company facts, products, FAQs, research, branches.

OtherOther

Outdated check451 ms13 / 22
Ask a human expert

Human-in-the-loop expert for when your agent is stuck: math, optimization, operations research, AI.

Developer ToolsCode & DevOps

Outdated check457 ms13 / 22
KATA Research Automation

Deterministic research automation with live OpenAlex search and reusable workflow programs.

Developer ToolsAutomation & workflows

Outdated check459 ms13 / 22
Ithy Research Library

Search public Ithy explanations and read relevant passages with article links, sources and dates.

OtherData access / search

Outdated check466 ms13 / 22
Jason Lovell

Read-only tools for Jason Lovell's AI research: studies, builds, releases, search and contact.

OtherData access / search

Responded471 ms13 / 22
io.github.elyngved/failmodes

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

Developer ToolsKnowledge & memory

Outdated check476 ms13 / 22
GlobalSource Partners MCP Server

Search expert emerging-markets research on economics, politics, policy and sovereign risk.

Developer ToolsData access / search

Outdated check477 ms13 / 22
Le Confidant

Statistics from your own WhatsApp chat analysis as numbers only, plus free WhatsApp text tools.

Data & AnalyticsCommunication & messaging

Responded478 ms13 / 22
BeYadCha Israeli medical rights

Hebrew knowledge base on Israeli medical and disability rights, with official sources.

HealthcareKnowledge & memory

Outdated check483 ms13 / 22
CutGPT Research & Fact-Check

Free fact-checks, papers, source vetting, plus verified AI pricing, comparisons, guides, and tools.

OtherOther

Outdated check484 ms13 / 22
BriefBash

AI-citation (GEO) teardowns of any website: score, blockers, attack points.

Developer ToolsKnowledge & memory

Outdated check485 ms13 / 22
Instilus small-business decision tools

Valuation, EBITDA, break-even, margin, rates, acquisition, competitor research, store audit.

OtherOther

Outdated check519 ms13 / 22
Agency Standings

Evidence-based agency rankings for Ecom, Legal, SaaS, Finance and Service, plus a work library.

LegalKnowledge & memory

Outdated check527 ms13 / 22
TradeBasis Automotive Appraisal MCP (US)

Free US VIN decoding and research; VIN-optional market appraisals via a separate pilot endpoint.

Developer ToolsCode & DevOps

Outdated check541 ms13 / 22
SPXI-gnΩsis

Opens Wikipedia sentences against their cited sources; builds sourced knowledge objects into /non.

OtherKnowledge & memory

Outdated check555 ms13 / 22
com.measuretechpro/agent-door

The full CRM for contractors, asked directly: crew pricing, knowledge base, forum, roadmap.

Marketing & SalesKnowledge & memory

Outdated check556 ms13 / 22
Projuris ADV

Wrapper for the official Projuris ADV REST API (legal practice management): cases, people (clients/p

LegalCode & DevOps

Outdated check557 ms13 / 22
com.nobleblocks/nobleblocks-mcp

Search 340M+ academic papers — citation graphs, semantic similarity, and AI literature reviews.

Developer ToolsKnowledge & memory

Outdated check562 ms13 / 22

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