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
IYT Test

Sailing exam practice for IYT levels and the Racing Rules: questions, mock exams, theory. EN/RU.

Developer ToolsCode & DevOps

Responded570 ms15 / 22
INDEC Argentina (no oficial)

Argentina's official statistics (INDEC): inflation, wages, poverty, trade, population. No signup.

GovernmentCode & DevOps

Responded576 ms15 / 22
NORMOT — Israeli building norms

Israeli building and planning norms: permits, fire, accessibility; Hebrew text, source, citation.

Developer ToolsCode & DevOps

Responded576 ms15 / 22
TraydStar

Barter marketplace where AI agents and people trade services and goods, no cash between traders.

Developer ToolsCode & DevOps

Responded580 ms15 / 22
MCP Surface Lint

Statically audits MCP tool surfaces for token cost, schema quality, and design issues.

Developer ToolsCode & DevOps

Responded585 ms15 / 22
Agent Rails

Shopping MCP for AI agents: search, compare, Amazon buy links. Auto-register.

E-commerceCode & DevOps

Responded586 ms15 / 22
Redra

Search current class-action settlements and identify possible matches using structured filters.

Developer ToolsCode & DevOps

Responded589 ms15 / 22
Web Metadata, Open Graph & JSON-LD Extractor

Open Graph, JSON-LD, canonical, robots, headings and page metadata extractor via direct x402 MCP.

Developer ToolsCode & DevOps

Responded589 ms15 / 22
Storied Collection Venues

Search historic castles, manors and châteaux for exclusive-use rental in the UK, Ireland and France.

Developer ToolsCode & DevOps

Responded590 ms15 / 22
BizVerify

KYB for AI agents: verify business registrations from MCP clients.

Developer ToolsCode & DevOps

Responded592 ms15 / 22
Lumi

Lumi, café en Tijuana: horario, dirección, carta con precios en MXN, espacios y cómo reservar.

Developer ToolsCode & DevOps

Responded596 ms15 / 22
KABO Indian Nutrition Index

ICMR-NIN nutrition for 52 Indian foods: protein, targets by age, cost ranking. Every answer cited.

Developer ToolsCode & DevOps

Responded599 ms15 / 22
AGT agent names

Resolve, verify and discover .agt agent names: owner, records, signed manifest, endpoints.

Developer ToolsCode & DevOps

Responded605 ms15 / 22
Free Agent Tools

43 free no-auth tools: Japan life, visas, travel and work checks, plus pitch roast.

TravelCode & DevOps

Responded606 ms15 / 22
GoldAPI Precious Metals Quotes

Real-time & historical precious metals quotes (gold/silver/platinum/palladium) via MCP.

Developer ToolsCode & DevOps

Responded607 ms15 / 22
Project Gumball

One MCP server exposing every tool in the Gumball portfolio.

Developer ToolsCode & DevOps

Responded607 ms15 / 22
Band Atlas (Hyper Nexus)

Which cellular IoT modules work on which networks: 465 networks, 172 countries, device verdicts

Developer ToolsCode & DevOps

Responded611 ms15 / 22
CastMyAgent Personas

Read-only catalog of free CastMyAgent persona packs.

Developer ToolsCode & DevOps

Responded613 ms15 / 22
Sitemap URL Extractor for AI Agents

x402 sitemap discovery and URL extraction for agents. $0.0001 per emitted URL.

Developer ToolsCode & DevOps

Responded616 ms15 / 22
NBG Rates (National Bank of Georgia)

GEL exchange rates from the National Bank of Georgia with per-unit values. Not affiliated with NBG.

Developer ToolsCode & DevOps

Responded618 ms15 / 22
BITHOT

Read-only MCP for curated crypto, Web3, and memecoin picks and reports.

Finance & CryptoCode & DevOps

Responded621 ms15 / 22
Lium GPU Cloud: live GPU prices and rent links

Live prices and rent links for H100, H200, B200 and RTX 4090 GPUs on Lium, plus Lium docs search.

Developer ToolsCode & DevOps

Responded623 ms15 / 22
DDMarketer

Find and validate SaaS ideas from real user complaints, scored for commercial intent.

Developer ToolsCode & DevOps

Responded623 ms15 / 22
SafeStreets

Walkability and pedestrian safety for any US address: scores, neighborhoods, deadly roads.

Developer ToolsCode & DevOps

Responded628 ms15 / 22

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